FACETWIREPrice IntelligenceRadiant diamond — GIA certificate LG1226934168
A 1.66 carat radiant lab-grown diamond, D color, VVS2 clarity. Facet Wire tracks this exact certificate so its price can be checked against the live market before you buy.
Stone specifications
| Shape | Radiant |
|---|---|
| Carat | 1.66 |
| Color | D |
| Clarity | VVS2 |
| Cut | — |
| Type | Lab-grown |
| Certificate | GIA LG1226934168 |
Where this stone is listed
Facet Wire currently tracks this certificate at one retailer. If another store lists the same certificate, it will appear here automatically.
| Retailer | Price | $/ct | vs lowest | Deal check |
|---|---|---|---|---|
| Ada Diamonds | $2,750 | $1,657 | Lowest | Overpriced +107% vs median $/ct for identical specs · 5 stones |
Same specs at other retailers
A different stone with identical specs — Radiant, D color, VVS2 clarity, carat within 0.10 — is listed at MiaDonna for $1,255, which is $1,495 less than this certificate's lowest tracked price. Spec-matched stones are not the same physical diamond; only a matching certificate number proves that. How we match.
Facet Wire tracks 86 radiant lab-grown diamonds; their median price is $799 per carat. This stone's lowest tracked price works out to $1,657 per carat. This page is one of 1389 certificate pages Facet Wire maintains — one for every tracked certificate.
Price tracked by Facet Wire — updated daily. First tracked 2026-10-17. Listings can sell or change price at any time; the retailer's own page is the final word at checkout.