Cushion diamond — IGI certificate 840634713
A 2.54 carat cushion lab-grown diamond, F color, VVS1 clarity, Ideal cut. Facet Wire tracks this exact certificate so its price can be checked against the live market before you buy.

Stone specifications
| Shape | Cushion |
|---|---|
| Carat | 2.54 |
| Color | F |
| Clarity | VVS1 |
| Cut | Ideal |
| Type | Lab-grown |
| Certificate | IGI 840634713 |
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 |
|---|---|---|---|---|
| MiaDonna | $1,965 | $774 | Lowest | — |
Same specs at other retailers
A different stone with identical specs — Cushion, F color, VVS1 clarity, carat within 0.10 — is listed at With Clarity for $1,767, which is $198 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 74 cushion lab-grown diamonds; their median price is $1,206 per carat. This stone's lowest tracked price works out to $774 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.