FACETWIREPrice Intelligence1.23 ct Cushion Lab-grown diamond (E / VS1) — IGI certificate 848646589
A 1.23 carat cushion lab-grown diamond, E color, VS1 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 | Cushion |
|---|---|
| Carat | 1.23 |
| Color | E |
| Clarity | VS1 |
| Cut | Excellent |
| Type | Lab-grown |
| Certificate | IGI 848646589 |
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 | $734 | $597 | Lowest | Overpriced +33% vs median $/ct for identical specs · 223 stones |
Same specs at other retailers
A different stone with identical specs — Cushion, E color, VS1 clarity, carat within 0.10 — is listed at Friendly Diamonds for $488, which is $246 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 6784 cushion lab-grown diamonds; their median price is $619 per carat. This stone's lowest tracked price works out to $597 per carat. This page is one of 7372 certificate pages Facet Wire maintains — one for every tracked certificate.
Price tracked by Facet Wire — updated daily. First tracked 2026-10-25. Listings can sell or change price at any time; the retailer's own page is the final word at checkout.