FACETWIREPrice Intelligence2.51 ct Round Lab-grown diamond (D / VVS2) — GIA certificate 6505601703
A 2.51 carat round lab-grown diamond, D color, VVS2 clarity, Affinity cut. Facet Wire tracks this exact certificate so its price can be checked against the live market before you buy.
Stone specifications
| Shape | Round |
|---|---|
| Carat | 2.51 |
| Color | D |
| Clarity | VVS2 |
| Cut | Affinity |
| Type | Lab-grown |
| Certificate | GIA 6505601703 |
Where this stone is listed Cert matched
This exact certificate is currently listed by 2 retailers in 2 listings. Lowest: $1,615 at Adiamor — $1,762 less than the highest tracked listing of this same stone.
| Retailer | Price | $/ct | vs lowest | Deal check |
|---|---|---|---|---|
| Adiamor | $1,615 | $643 | Lowest | Overpriced +29% vs median $/ct for identical specs · 2151 stones |
| Frank Darling | $3,377 | $1,345 | +$1,762 | Overpriced +169% vs median $/ct for identical specs · 2151 stones |
Same specs at other retailers
A different stone with identical specs — Round, D color, VVS2 clarity, carat within 0.10 — is listed at Ritani for $951, which is $664 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 246013 round lab-grown diamonds; their median price is $405 per carat. This stone's lowest tracked price works out to $643 per carat. This page is one of 981579 certificate pages Facet Wire maintains — one for every tracked certificate.
Price tracked by Facet Wire — updated daily. First tracked 2026-10-27. Listings can sell or change price at any time; the retailer's own page is the final word at checkout.