| GIA Certified E/VVS2 4.03 CT Emerald Cut Lab Grown Diamond Engagement Ring | castilaco.com | 12085 USD | 0 USD | — |
| GIA Certified Elongated Rectangular Cushion Cut Lab Grown Diamond Wedding Engagement 14K Yellow Gold Ring | castilaco.com | 9500 USD | 0 USD | — |
| PANTHÈRE LAB GROWN DIAMOND RING IN 14K WHITE GOLD | castilaco.com | 6062 USD | — | — |
| 3.00 Carat Oval Cut Lab Grown Diamond Engagement Ring Matching Band Set | castilaco.com | 5725 USD | 0 USD | — |
| 3 Carat Oval Cut Lab Grown Diamond Engagement Ring With Matching Band Set | castilaco.com | 5611 USD | 0 USD | — |
| 3 CT IGI Certified Round Cut Lab Grown Diamond 14K Yellow Gold Engagement Ring | castilaco.com | 5286 USD | 0 USD | — |
| Bezel Set Lab Grown Diamond 3 CT Oval Solitaire Split Shank Engagement Ring | castilaco.com | 5253 USD | 0 USD | — |
| Three Stone Oval and Pear cut Lab Grown Diamond Engagement Ring | castilaco.com | 5136 USD | 0 USD | — |
| 4.50 ctw Lab-Created Round Diamond Flower Halo Ring | IGI Certified Yellow Gold Wedding & Engagement Ring for Her | castilaco.com | 4585 USD | — | — |
| East-West 3.00 Carat Emerald Cut Lab Diamond Solitaire - 18K Gold Unique Half Bezel Wedding Ring | castilaco.com | 4546 USD | — | — |
| GIA Certified Emerald Cut Lab Grown Diamond Cluster Engagement 14K Yellow Gold Ring | castilaco.com | 4200 USD | 0 USD | — |
| GIA Certified Oval Cut Lab Grown Diamond Engagement 14K Yellow Gold Ring | castilaco.com | 4100 USD | 0 USD | — |
| Hidden Halo 3CT Round Cut Lab Grown Diamond Engagement Ring | castilaco.com | 3972 USD | — | — |
| Blue Emerald & Diamond Toi Et Moi 3.20CT Lab Grown East-to-West Two-Stone Engagement & Anniversary Ring | castilaco.com | 3957 USD | — | — |
| 2 CT Pear Yellow Lab Grown Diamond Split Shank 14K White Gold Ring | castilaco.com | 3882 USD | — | — |
| 3.00CT Oval Cut F/VS1 Lab Grown Diamond Engagement Ring | castilaco.com | 3862 USD | — | — |
| Hexagonal Rivet Round Solitaire Men's Engagement 14K White Gold Ring | castilaco.com | 3862 USD | 0 USD | — |
| Vintage 2.50 Carat Oval Lab-Grown Diamond Halo Engagement Ring | 14K Yellow Gold Wedding Ring Gift for Her | castilaco.com | 3846 USD | — | — |
| Toi Et Moi Blue Radiant & Oval 3.00TCW Lab Grown Two-Stone Engagement Ring | castilaco.com | 3647 USD | — | — |
| 2.5 Carat IGI Certified Round Brilliant Lab Grown Diamond Engagement Ring Set with Floating Bubble Matching Wedding Band | castilaco.com | 3625 USD | — | — |
| Irish Claddagh Ring Set – Heart Lab Grown Diamond 14K White Gold Bridal Set | castilaco.com | 3524 USD | — | — |
| Toi Et Moi Two stone Pink and Green Round Lab Grown Diamond Engagement Ring | castilaco.com | 3454 USD | — | — |
| Elongated Cushion Lab Grown Diamond Engagement Ring | castilaco.com | 3241 USD | 0 USD | — |
| GIA Certified Lab Grown Diamond, 2.08ct Radiant Cut D VVS2 Clarity Eco-Friendly Radiant Diamond | castilaco.com | 3200 USD | 0 USD | — |
| Certified Heart Shape Lab Grown Diamond Engagement Ring | castilaco.com | 3107 USD | 0 USD | — |
| 3.00 CT Emerald Cut Lab Diamond Engagement Ring with Baguettes – 14K White Gold | castilaco.com | 3046 USD | — | — |
| Lab Grown Diamond Cluster Chunky Dome Pave Setting Signet Ring | castilaco.com | 2967 USD | — | — |
| Pear Lab Grown Diamond Five Stone 14K Solid Gold Engagement Ring | castilaco.com | 2893 USD | — | — |
| Toi et moi Pear Lab Grown Diamond 18K Yellow Gold Ring | castilaco.com | 2837 USD | — | — |
| Full Eternity U-Prong Emerald Cut Lab Grown Band – Stackable Engagement Ring For Women | castilaco.com | 2836 USD | — | — |
| Cushion Cut Halo Pink Round and Marquise Lab Grown Diamond Engagement Ring | castilaco.com | 2786 USD | 0 USD | — |
| Round Lab Grown Three Diamond Mouse Face Engagement Ring in 14K Rose Gold | castilaco.com | 2763 USD | — | — |
| Emerald Cut Lab Grown Diamond Ring | 18K Yellow Gold Ring | castilaco.com | 2762 USD | — | — |
| 1.50CT Blue Radiant Cut Lab Grown Diamond Engagement Ring | castilaco.com | 2735 USD | — | — |
| Two Pear Lab Grown Diamond Toi Et Moi 18K Yellow Gold Ring, Ring Size 5 1/2 US | castilaco.com | 2735 USD | — | — |
| Three Stone Radiant Blue Lab Grown Diamond Engagement Ring | castilaco.com | 2700 USD | — | — |
| 1.60 CT Cushion Cut Lab Grown Marquise Halo Diamond Engagement Ring | castilaco.com | 2687 USD | 0 USD | — |
| 2.00 CT Round Certified Lab Grown Blue Diamond Engagement Ring for Her | castilaco.com | 2683 USD | — | — |
| 2.5 Carat IGI Certified F Color VS1 Elongated Cushion Cut Lab-Grown Diamond Solitaire Ring | 14K Yellow Gold | castilaco.com | 2679 USD | — | — |
| 1.90 TCW Cushion Lab Grown Starbrust Marquise Halo Diamond Wedding Ring | castilaco.com | 2647 USD | 0 USD | — |