FACETWIREPrice Intelligence2.50 ct Elongated Cushion Lab-grown diamond (F / VS1) — IGI certificate 799685905
A 2.50 carat elongated cushion lab-grown diamond, F color, VS1 clarity, Super Ideal cut. Facet Wire tracks this exact certificate so its price can be checked against the live market before you buy.
Stone specifications
| Shape | Elongated Cushion |
|---|---|
| Carat | 2.50 |
| Color | F |
| Clarity | VS1 |
| Cut | Super Ideal |
| Type | Lab-grown |
| Certificate | IGI 799685905 |
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 |
|---|---|---|---|---|
| Frank Darling | $2,541 | $1,017 | Lowest | Overpriced +88% vs median $/ct for identical specs · 179 stones |
Same specs at other retailers
A different stone with identical specs — Elongated Cushion, F color, VS1 clarity, carat within 0.10 — is listed at Grown Brilliance for $1,300, which is $1,241 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 8993 elongated cushion lab-grown diamonds; their median price is $579 per carat. This stone's lowest tracked price works out to $1,017 per carat. This page is one of 7606 certificate pages Facet Wire maintains — one for every tracked certificate.
Price tracked by Facet Wire — updated daily. First tracked 2026-10-26. Listings can sell or change price at any time; the retailer's own page is the final word at checkout.