FACETWIREPrice Intelligence2.51 ct Marquise Lab-grown diamond (D / VVS1) — IGI certificate 833651860
A 2.51 carat marquise lab-grown diamond, D color, VVS1 clarity, Excellent cut. Facet Wire tracks this exact certificate so its price can be checked against the live market before you buy.
Stone specifications
| Shape | Marquise |
|---|---|
| Carat | 2.51 |
| Color | D |
| Clarity | VVS1 |
| Cut | Excellent |
| Type | Lab-grown |
| Certificate | IGI 833651860 |
Where this stone is listed Cert matched
This exact certificate is currently listed by 2 retailers in 2 listings. Lowest: $2,066 at Adiamor — $438 less than the highest tracked listing of this same stone.
| Retailer | Price | $/ct | vs lowest | Deal check |
|---|---|---|---|---|
| Adiamor | $2,066 | $823 | Lowest | Overpriced +26% vs median $/ct for identical specs · 846 stones |
| Ritani | $2,504 | $998 | +$438 | Overpriced +53% vs median $/ct for identical specs · 846 stones |
Same specs at other retailers
Stones with identical specs — Marquise, D color, VVS1 clarity, carat within 0.10 — are tracked at other retailers (cheapest of them: Grown Brilliance at $2,530), and none is currently cheaper than this certificate's lowest tracked price of $2,066. Spec-matched stones are not the same physical diamond; only a matching certificate number proves that. How we match.
Facet Wire tracks 61395 marquise lab-grown diamonds; their median price is $491 per carat. This stone's lowest tracked price works out to $823 per carat. This page is one of 880222 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.