FACETWIREPrice Intelligence1.71 ct Marquise Lab-grown diamond (E / VVS2) — IGI certificate 845607109
A 1.71 carat marquise lab-grown diamond, E color, VVS2 clarity, Very-Good 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 | 1.71 |
| Color | E |
| Clarity | VVS2 |
| Cut | Very-Good |
| Type | Lab-grown |
| Certificate | IGI 845607109 |
Where this stone is listed Cert matched
This exact certificate is currently listed by 2 retailers in 2 listings. Lowest: $651 at Ritani — $96 less than the highest tracked listing of this same stone.
| Retailer | Price | $/ct | vs lowest | Deal check |
|---|---|---|---|---|
| Ritani | $651 | $381 | Lowest | Fair Price -12% vs median $/ct for identical specs · 2339 stones |
| Adiamor | $747 | $437 | +$96 | Fair Price +1% vs median $/ct for identical specs · 2339 stones |
Same specs at other retailers
Stones with identical specs — Marquise, E color, VVS2 clarity, carat within 0.10 — are tracked at other retailers (cheapest of them: Adiamor at $651), and none is currently cheaper than this certificate's lowest tracked price of $651. Spec-matched stones are not the same physical diamond; only a matching certificate number proves that. How we match.
Facet Wire tracks 71830 marquise lab-grown diamonds; their median price is $485 per carat. This stone's lowest tracked price works out to $381 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 2026-10-31. Listings can sell or change price at any time; the retailer's own page is the final word at checkout.