[Compare][979 designs in stock][2026]

Lab Diamond Engagement Rings: where to buy, compared
Complete lab diamond engagement rings compared by carat, shape, grade and setting. Every comparison is rebuilt each morning from the live Rare Carat catalog, currently 979 designs from $850.
[Shop by comparison]
Each page compares the designs in stock side by side: price, carat weight, diamond quality and metal.
- All Lab Grown Rings
/103/Best places to buy lab grown diamond engagement rings · from $850 - Hidden Halo Rings
/180/Best places to buy hidden halo engagement rings · from $1,150 - 1 Carat Rings
/979/Best places to buy 1 carat lab grown diamond engagement rings · from $850 - 2 Carat Rings
/979/Best places to buy 2 carat lab grown diamond engagement rings · from $1,550 - 3 Carat Rings
/979/Best places to buy 3 carat lab grown diamond engagement rings · from $2,265 - Oval Rings
/103/Best places to buy oval lab grown diamond engagement rings · from $935 - Emerald Cut Rings
/96/Best places to buy emerald cut lab grown diamond engagement rings · from $1,105 - Solitaire Rings
/276/Best places to buy lab grown solitaire engagement rings · from $850 - Three Stone Rings
/94/Best places to buy three stone lab diamond engagement rings · from $1,115 - Side Stone Rings
/359/Best places to buy side stone lab diamond engagement rings · from $1,060 - Pear Rings
/101/Best places to buy pear lab grown diamond engagement rings · from $1,255 - Radiant Cut Rings
/95/Best places to buy radiant cut lab grown diamond engagement rings · from $1,030 - Cushion Cut Rings
/99/Best places to buy cushion cut lab grown diamond engagement rings · from $1,110

[Spotlight]
A standout from 979 lab diamond engagement rings designs in stock. See how it stacks up against the rest in our side by side comparisons.
Start comparingMarigold Tulip Inspired 6 Prong Lab Engagement Ring, Round$1,519 -30%
from$1,060
4 metal optionsWhite goldYellow goldRose goldPlatinum
View at Rare Carat [Popular right now]
979 designs, from $850
Marigold Tulip Inspired 6 Prong Lab Engagement Ring, Oval$1,145
Marigold Tulip Inspired 6 Prong Lab Engagement Ring, Round$1,060
Presentation 4 Prong Solitaire Engagement Ring, Round$850
Betty Marquise Lab Diamond Engagement Ring, Round$1,275
Bianca Twist Engagement Ring, Heart$1,390
Kathryn Lab Pave Heart Scroll Engagement Ring, Radiant$1,455
Kathryn Lab Pave Heart Scroll Engagement Ring, Emerald$1,530
Carmel Vintage Inspired Lab Engagement Ring, Heart$1,610
Kathryn Lab Pave Heart Scroll Engagement Ring, Pear$1,680
Marni Petite Three-Stone Engagement Ring, Pear$1,785
Hayden Curved Vine Hidden Halo Lab Engagement Ring, Pear$1,915
Jacie Three-Stone Engagement Ring (0.25 ct. tw.), Heart$2,120