Promise Rings

Sort by:
Cubic Zirconia Engagement Ring- The Jilari (Customizable Bezel-set Round Cut with Under-Halo)
0.50 Carat0.75 Carat0.80 Carat1.00 Carat1.50 Carat1.90 Carat2.00 Carat2.50 Carat3.00 Carat1.25 Carat

Cubic Zirconia Engagement Ring- The Jilari (Customizable Bezel-set Round Cut with Under-Halo)

From $329.94 USD
She'll look absolutely fetching with this bezel-set AAAAA diamond quality Cubic Zirconia 'semi-solitaire' engagement ring hiding a little extra under the hood. Twelve* (12) shimmery round-cut accent stones whirl round the...
Cubic Zirconia Engagement Ring- The Jodee (Customizable Cathedral-set Asscher Cut Solitaire with Tapered Band)
0.65 Carat1.00 Carat1.50 Carat2.50 Carat3.50 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Jodee (Customizable Cathedral-set Asscher Cut Solitaire with Tapered Band)

From $285.62 USD
Never out of style, the classic solitaire engagement ring is a perennial favorite. The Jodee's polished, tapering-width band will be made with care in your choice of precious metals. Only...
Cubic Zirconia Engagement Ring- The Jodee (Customizable Cathedral-set Cushion Cut Solitaire with Tapered Band)
0.65 Carat1.00 Carat1.50 Carat2.50 Carat3.50 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Jodee (Customizable Cathedral-set Cushion Cut Solitaire with Tapered Band)

From $284.28 USD
Never out of style, the classic solitaire engagement ring is a perennial favorite. The Jodee's polished, tapering-width band will be made with care in your choice of precious metals. Only...
Cubic Zirconia Engagement Ring- The Jodee (Customizable Cathedral-set Emerald Cut Solitaire with Tapered Band)
0.33 Carat0.75 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Jodee (Customizable Cathedral-set Emerald Cut Solitaire with Tapered Band)

From $278.56 USD
Never out of style, the classic solitaire engagement ring is a perennial favorite. The Jodee's polished, tapering-width band will be made with care in your choice of precious metals. Only...
Cubic Zirconia Engagement Ring- The Jodee (Customizable Cathedral-set Oval Cut Solitaire with Tapered Band)
0.25 Carat0.50 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Jodee (Customizable Cathedral-set Oval Cut Solitaire with Tapered Band)

From $277.91 USD
Never out of style, the classic solitaire engagement ring is a perennial favorite. The Jodee's polished, tapering-width band will be made with care in your choice of precious metals. Only...
Cubic Zirconia Engagement Ring- The Jodee (Customizable Cathedral-set Princess Cut Solitaire with Tapered Band)
0.40 Carat0.50 Carat0.65 Carat0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat3.50 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Jodee (Customizable Cathedral-set Princess Cut Solitaire with Tapered Band)

From $270.43 USD
Never out of style, the classic solitaire engagement ring is a perennial favorite. The Jodee's polished, tapering-width band will be made with care in your choice of precious metals. Only...
Cubic Zirconia Engagement Ring- The Jodee (Customizable Cathedral-set Radiant Cut Solitaire with Tapered Band)
0.33 Carat0.75 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Jodee (Customizable Cathedral-set Radiant Cut Solitaire with Tapered Band)

From $278.56 USD
Never out of style, the classic solitaire engagement ring is a perennial favorite. The Jodee's polished, tapering-width band will be made with care in your choice of precious metals. Only...
Cubic Zirconia Engagement Ring- The Jodee (Customizable Cathedral-set Round Cut Solitaire with Tapered Band)
0.25 Carat0.33 Carat0.40 Carat0.50 Carat0.75 Carat0.80 Carat1.00 Carat1.25 Carat1.50 Carat1.90 Carat2.00 Carat2.50 Carat3.00 Carat3.50 Carat4.75 Carat

Cubic Zirconia Engagement Ring- The Jodee (Customizable Cathedral-set Round Cut Solitaire with Tapered Band)

From $282.26 USD
Never out of style, the classic solitaire engagement ring is a perennial favorite. The Jodee's polished, tapering-width band will be made with care in your choice of precious metals. Only...
Cubic Zirconia Engagement Ring- The Johnnie (Customizable Cathedral-set Asscher Cut Solitaire with Decorative Prong Basket)
0.65 Carat1.00 Carat1.50 Carat2.50 Carat3.50 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Johnnie (Customizable Cathedral-set Asscher Cut Solitaire with Decorative Prong Basket)

From $251.93 USD
Unless the world undergoes a radical transformation, the cultural norm of presenting an engagement RING gift during a marriage proposal isn’t going to end any time soon. Sure, there are guys...
Cubic Zirconia Engagement Ring- The Johnnie (Customizable Cathedral-set Cushion Cut Solitaire with Decorative Prong Basket)
0.65 Carat1.00 Carat1.50 Carat2.50 Carat3.50 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Johnnie (Customizable Cathedral-set Cushion Cut Solitaire with Decorative Prong Basket)

From $249.88 USD
Unless the world undergoes a radical transformation, the cultural norm of presenting an engagement RING gift during a marriage proposal isn’t going to end any time soon. Sure, there are guys...
Cubic Zirconia Engagement Ring- The Johnnie (Customizable Cathedral-set Emerald Cut Solitaire with Decorative Prong Basket)
0.33 Carat0.75 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Johnnie (Customizable Cathedral-set Emerald Cut Solitaire with Decorative Prong Basket)

From $244.42 USD
Unless the world undergoes a radical transformation, the cultural norm of presenting an engagement RING gift during a marriage proposal isn’t going to end any time soon. Sure, there are guys...
Cubic Zirconia Engagement Ring- The Johnnie (Customizable Cathedral-set Oval Cut Solitaire with Decorative Prong Basket)
0.25 Carat0.50 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Johnnie (Customizable Cathedral-set Oval Cut Solitaire with Decorative Prong Basket)

From $243.76 USD
Unless the world undergoes a radical transformation, the cultural norm of presenting an engagement RING gift during a marriage proposal isn’t going to end any time soon. Sure, there are guys...
Cubic Zirconia Engagement Ring- The Johnnie (Customizable Cathedral-set Princess Cut Solitaire with Decorative Prong Basket)
0.40 Carat0.50 Carat0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat3.50 Carat5.00 Carat0.65 Carat

Cubic Zirconia Engagement Ring- The Johnnie (Customizable Cathedral-set Princess Cut Solitaire with Decorative Prong Basket)

From $236.48 USD
Unless the world undergoes a radical transformation, the cultural norm of presenting an engagement RING gift during a marriage proposal isn’t going to end any time soon. Sure, there are guys...
Cubic Zirconia Engagement Ring- The Johnnie (Customizable Cathedral-set Radiant Cut Solitaire with Decorative Prong Basket)
0.33 Carat0.75 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Johnnie (Customizable Cathedral-set Radiant Cut Solitaire with Decorative Prong Basket)

From $244.42 USD
Unless the world undergoes a radical transformation, the cultural norm of presenting an engagement RING gift during a marriage proposal isn’t going to end any time soon. Sure, there are guys...
Cubic Zirconia Engagement Ring- The Johnnie (Customizable Cathedral-set Round Cut Solitaire with Decorative Prong Basket)
0.25 Carat0.50 Carat0.75 Carat1.00 Carat1.50 Carat2.00 Carat2.50 Carat3.00 Carat3.50 Carat

Cubic Zirconia Engagement Ring- The Johnnie (Customizable Cathedral-set Round Cut Solitaire with Decorative Prong Basket)

From $248.20 USD
Unless the world undergoes a radical transformation, the cultural norm of presenting an engagement RING gift during a marriage proposal isn’t going to end any time soon. Sure, there are guys...
Cubic Zirconia Engagement Ring- The Lacy Michelle (Customizable Bezel-set Emerald Cut Solitaire with Thin, Twisting-Bypass Asymmetrical Band)
0.75 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Lacy Michelle (Customizable Bezel-set Emerald Cut Solitaire with Thin, Twisting-Bypass Asymmetrical Band)

From $291.15 USD
This striking bypass ring is asymmetrical and artfully imperfectly balanced (on purpose). The Lacy Michelle may have a suggestively sensual name but she’s nonetheless a member of the pretty innocent...
Cubic Zirconia Engagement Ring- The Lacy Michelle (Customizable Bezel-set Oval Cut Solitaire with Thin, Twisting-Bypass Asymmetrical Band)
0.50 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Lacy Michelle (Customizable Bezel-set Oval Cut Solitaire with Thin, Twisting-Bypass Asymmetrical Band)

From $289.44 USD
This striking bypass ring is asymmetrical and artfully imperfectly balanced (on purpose). The Lacy Michelle may have a suggestively sensual name but she’s nonetheless a member of the pretty innocent...
Cubic Zirconia Engagement Ring- The Lacy Michelle (Customizable Bezel-set Pear Cut Solitaire with Thin, Twisting-Bypass Asymmetrical Band)
0.50 Carat0.75 Carat1.00 Carat1.50 Carat2.00 Carat3.00 Carat

Cubic Zirconia Engagement Ring- The Lacy Michelle (Customizable Bezel-set Pear Cut Solitaire with Thin, Twisting-Bypass Asymmetrical Band)

From $288.88 USD
This striking bypass ring is asymmetrical and artfully imperfectly balanced (on purpose). The Lacy Michelle may have a suggestively sensual name but she’s nonetheless a member of the pretty innocent...
Cubic Zirconia Engagement Ring- The Lacy Michelle (Customizable Bezel-set Princess Cut Solitaire with Thin, Twisting-Bypass Asymmetrical Band)
2.50 Carat

Cubic Zirconia Engagement Ring- The Lacy Michelle (Customizable Bezel-set Princess Cut Solitaire with Thin, Twisting-Bypass Asymmetrical Band)

From $333.44 USD
This striking bypass ring is asymmetrical and artfully imperfectly balanced (on purpose). The Lacy Michelle may have a suggestively sensual name but she’s nonetheless a member of the pretty innocent...
Cubic Zirconia Engagement Ring- The Lacy Michelle (Customizable Bezel-set Radiant Cut Solitaire with Thin, Twisting-Bypass Asymmetrical Band)
0.75 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Lacy Michelle (Customizable Bezel-set Radiant Cut Solitaire with Thin, Twisting-Bypass Asymmetrical Band)

From $291.15 USD
This striking bypass ring is asymmetrical and artfully imperfectly balanced (on purpose). The Lacy Michelle may have a suggestively sensual name but she’s nonetheless a member of the pretty innocent...
Cubic Zirconia Engagement Ring- The Lacy Michelle (Customizable Bezel-set Round Cut Solitaire with Thin, Twisting-Bypass Asymmetrical Band)
0.25 Carat0.33 Carat0.40 Carat0.50 Carat0.75 Carat0.80 Carat1.00 Carat1.25 Carat1.50 Carat1.90 Carat2.00 Carat2.50 Carat3.00 Carat3.50 Carat4.75 Carat

Cubic Zirconia Engagement Ring- The Lacy Michelle (Customizable Bezel-set Round Cut Solitaire with Thin, Twisting-Bypass Asymmetrical Band)

From $267.12 USD
This striking bypass ring is asymmetrical and artfully imperfectly balanced (on purpose). The Lacy Michelle may have a suggestively sensual name but she’s nonetheless a member of the pretty innocent...
Cubic Zirconia Engagement Ring- The Lucille May (Customizable Cushion Cut Solitaire featuring Filigree Faux Halo and Infinity Split Band)
0.65 Carat1.00 Carat1.50 Carat2.50 Carat3.50 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Lucille May (Customizable Cushion Cut Solitaire featuring Filigree Faux Halo and Infinity Split Band)

$249.60 USDFrom $229.00 USD
Women have loved wearing solitaire rings for millennia. Never out of style, we think it’s partly because a one-stone ring provides beauty without pretension.  And perhaps— just perhaps— because this...
Cubic Zirconia Engagement Ring- The Lucille May (Customizable Emerald Cut Solitaire featuring Filigree Faux Halo and Infinity Split Band)
0.33 Carat0.75 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Lucille May (Customizable Emerald Cut Solitaire featuring Filigree Faux Halo and Infinity Split Band)

$265.06 USDFrom $229.00 USD
Women have loved wearing solitaire rings for millennia. Never out of style, we think it’s partly because a one-stone ring provides beauty without pretension.  And perhaps— just perhaps— because this...
Cubic Zirconia Engagement Ring- The Lucille May (Customizable Marquise Cut Solitaire featuring Filigree Faux Halo and Infinity Split Band)
0.20 Carat0.25 Carat0.30 Carat0.38 Carat0.50 Carat0.75 Carat1.00 Carat2.00 Carat

Cubic Zirconia Engagement Ring- The Lucille May (Customizable Marquise Cut Solitaire featuring Filigree Faux Halo and Infinity Split Band)

$243.16 USDFrom $229.00 USD
Women have loved wearing solitaire rings for millennia. Never out of style, we think it’s partly because a one-stone ring provides beauty without pretension.  And perhaps— just perhaps— because this...
Cubic Zirconia Engagement Ring- The Lucille May (Customizable Oval Cut Solitaire featuring Filigree Faux Halo and Infinity Split Band)
0.25 Carat0.50 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Lucille May (Customizable Oval Cut Solitaire featuring Filigree Faux Halo and Infinity Split Band)

$243.34 USDFrom $229.00 USD
Women have loved wearing solitaire rings for millennia. Never out of style, we think it’s partly because a one-stone ring provides beauty without pretension.  And perhaps— just perhaps— because this...
Cubic Zirconia Engagement Ring- The Lucille May (Customizable Princess Cut Solitaire featuring Filigree Faux Halo and Infinity Split Band)
0.40 Carat0.50 Carat0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat3.50 Carat5.00 Carat0.65 Carat

Cubic Zirconia Engagement Ring- The Lucille May (Customizable Princess Cut Solitaire featuring Filigree Faux Halo and Infinity Split Band)

$236.33 USDFrom $229.00 USD
Women have loved wearing solitaire rings for millennia. Never out of style, we think it’s partly because a one-stone ring provides beauty without pretension.  And perhaps— just perhaps— because this...
Cubic Zirconia Engagement Ring- The Lucille May (Customizable Radiant Cut Solitaire featuring Filigree Faux Halo and Infinity Split Band)
0.33 Carat0.75 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Lucille May (Customizable Radiant Cut Solitaire featuring Filigree Faux Halo and Infinity Split Band)

$244.08 USDFrom $229.00 USD
Women have loved wearing solitaire rings for millennia. Never out of style, we think it’s partly because a one-stone ring provides beauty without pretension.  And perhaps— just perhaps— because this...
Cubic Zirconia Engagement Ring- The Lucille May (Customizable Round Cut Solitaire featuring Filigree Faux Halo and Infinity Split Band)
0.25 Carat0.50 Carat0.75 Carat1.00 Carat1.50 Carat2.00 Carat2.50 Carat3.00 Carat3.50 Carat

Cubic Zirconia Engagement Ring- The Lucille May (Customizable Round Cut Solitaire featuring Filigree Faux Halo and Infinity Split Band)

$247.78 USDFrom $229.00 USD
Women have loved wearing solitaire rings for millennia. Never out of style, we think it’s partly because a one-stone ring provides beauty without pretension.  And perhaps— just perhaps— because this...
Cubic Zirconia Engagement Ring- The Madelyn (Customizable Emerald Cut Solitaire with Infinity Trellis Decoration)
0.75 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat

Cubic Zirconia Engagement Ring- The Madelyn (Customizable Emerald Cut Solitaire with Infinity Trellis Decoration)

From $299.25 USD
Do you see the side-view trellis decoration featuring the infinity symbol built right into the design of The Madelyn ring beneath the cathedral-raised, prong-set Emerald Cut center stone? Yeah, that...
Cubic Zirconia Engagement Ring- The Madelyn (Customizable Heart Cut Solitaire with Infinity Trellis Decoration)
0.50 Carat0.75 Carat1.50 Carat2.00 Carat3.00 Carat4.00 Carat4.00 Carats

Cubic Zirconia Engagement Ring- The Madelyn (Customizable Heart Cut Solitaire with Infinity Trellis Decoration)

From $280.17 USD
Do you see the side-view trellis decoration featuring the infinity symbol built right into the design of The Madelyn ring beneath the cathedral-raised, prong-set Heart Cut center stone? Yeah, that was...
Cubic Zirconia Engagement Ring- The Madelyn (Customizable Marquise Cut Solitaire with Infinity Trellis Decoration)
0.50 Carat0.75 Carat1.00 Carat2.00 Carat

Cubic Zirconia Engagement Ring- The Madelyn (Customizable Marquise Cut Solitaire with Infinity Trellis Decoration)

From $315.13 USD
Do you see the side-view trellis decoration featuring the infinity symbol built right into the design of The Madelyn ring beneath the cathedral-raised, prong-set Marquise Cut center stone? Yeah, that was...
Cubic Zirconia Engagement Ring- The Madelyn (Customizable Oval Cut Solitaire with Infinity Trellis Decoration)
0.50 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat

Cubic Zirconia Engagement Ring- The Madelyn (Customizable Oval Cut Solitaire with Infinity Trellis Decoration)

From $297.86 USD
Do you see the side-view trellis decoration featuring the infinity symbol built right into the design of The Madelyn ring beneath the cathedral-raised, prong-set Oval Cut center stone? Yeah, that was...
Cubic Zirconia Engagement Ring- The Madelyn (Customizable Pear Cut Solitaire with Infinity Trellis Decoration)
0.50 Carat0.75 Carat1.00 Carat1.50 Carat2.00 Carat3.00 Carat

Cubic Zirconia Engagement Ring- The Madelyn (Customizable Pear Cut Solitaire with Infinity Trellis Decoration)

From $297.19 USD
Do you see the side-view trellis decoration featuring the infinity symbol built right into the design of The Madelyn ring beneath the cathedral-raised, prong-set Pear Cut center stone? Yeah, that was...
Cubic Zirconia Engagement Ring- The Madelyn (Customizable Princess Cut Solitaire with Infinity Trellis Decoration)
2.50 Carat

Cubic Zirconia Engagement Ring- The Madelyn (Customizable Princess Cut Solitaire with Infinity Trellis Decoration)

From $335.70 USD
Do you see the side-view trellis decoration featuring the infinity symbol built right into the design of The Madelyn ring beneath the cathedral-raised, prong-set Princess Cut center stone? Yeah, that was...
Cubic Zirconia Engagement Ring- The Madelyn (Customizable Radiant Cut Solitaire with Infinity Trellis Decoration)
0.75 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat

Cubic Zirconia Engagement Ring- The Madelyn (Customizable Radiant Cut Solitaire with Infinity Trellis Decoration)

From $299.25 USD
Do you see the side-view trellis decoration featuring the infinity symbol built right into the design of The Madelyn ring beneath the cathedral-raised, prong-set Radiant Cut center stone? Yeah, that was...
Cubic Zirconia Engagement Ring- The Madelyn (Customizable Round Cut Solitaire with Infinity Trellis Decoration)
0.25 Carat0.33 Carat0.40 Carat0.50 Carat0.75 Carat0.80 Carat1.00 Carat1.25 Carat1.50 Carat1.90 Carat2.00 Carat2.50 Carat3.00 Carat3.50 Carat

Cubic Zirconia Engagement Ring- The Madelyn (Customizable Round Cut Solitaire with Infinity Trellis Decoration)

From $281.48 USD
Do you see the side-view trellis decoration featuring the infinity symbol built right into the design of The Madelyn ring beneath the cathedral-raised, prong-set Round Cut center stone? Yeah, that was...
Cubic Zirconia Engagement Ring- The Marcie (Customizable 5-stone Petite Style)

Cubic Zirconia Engagement Ring- The Marcie (Customizable 5-stone Petite Style)

From $0.00 USD
This delicate 5-stone AAAAA cubic zirconia engagement ring just drips sex appeal. You won’t be disappointed with the sparkle! Enjoy this petite, thin-banded CZ engagement ring with your choice of...
Cubic Zirconia Engagement Ring- The Noemie Jade (Customizable Cathedral-set Asscher Cut Solitaire)
0.65 Carat1.00 Carat1.50 Carat

Cubic Zirconia Engagement Ring- The Noemie Jade (Customizable Cathedral-set Asscher Cut Solitaire)

From $242.45 USD
There’s a man reading this who has no idea how lucky he is that she chose him. She’s early twenties, has a Ph.D in Snuggleology and still somehow is not...
Cubic Zirconia Engagement Ring- The Noemie Jade (Customizable Cathedral-set Cushion Cut Solitaire)
0.65 Carat1.00 Carat1.50 Carat2.50 Carat3.50 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Noemie Jade (Customizable Cathedral-set Cushion Cut Solitaire)

From $237.78 USD
There’s a man reading this who has no idea how lucky he is that she chose him. She’s early twenties, has a Ph.D in Snuggleology and still somehow is not...
Cubic Zirconia Engagement Ring- The Noemie Jade (Customizable Cathedral-set Emerald Cut Solitaire)
0.75 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Noemie Jade (Customizable Cathedral-set Emerald Cut Solitaire)

From $253.06 USD
There’s a man reading this who has no idea how lucky he is that she chose him. She’s early twenties, has a Ph.D in Snuggleology and still somehow is not...

Discover 10 karat / 14 karat / 18 karat gold, .925 sterling silver, and pure 950 platinum cubic zirconia promise rings from the trusted CubicZirconia.com.

Make a promise for purity and faith today! 

--split--

Cubic Zirconia Promise Rings

Wanna know when to give a promise ring?

You have to realize that for some women, the perception in her head is that it’s like Frodo and the mountain of fire: there is only ONE ring, and that ring is the engagement ring.

However...there ARE some times when a promise ring is perfect. Every unmarried guy/girl should know this about promise rings aka ‘the ring before the ring’. When should I give/expect a promise ring? The short answer for most is NEVER. 

The large majority of men don’t give one. And most women don’t expect a promise ring.When to give a promise ring is less about time spent dating and more about the circumstances of the couple.

Most couples don’t need a promise ring, but here’s 8 reasons you MAY want a promise ring.