FACETWIREPrice Intelligence1.50 ct Marquise Lab-grown diamond (D / VS1) — IGI certificate 852639435
A 1.50 carat marquise lab-grown diamond, D 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 | Marquise |
|---|---|
| Carat | 1.50 |
| Color | D |
| Clarity | VS1 |
| Cut | Excellent |
| Type | Lab-grown |
| Certificate | IGI 852639435 |
Where this stone is listed Cert matched
This exact certificate is currently listed by 2 retailers in 2 listings. Lowest: $575 at Adiamor — $567 less than the highest tracked listing of this same stone.
| Retailer | Price | $/ct | vs lowest | Deal check |
|---|---|---|---|---|
| Adiamor | $575 | $383 | Lowest | Fair Price -11% vs median $/ct for identical specs · 934 stones |
| MiaDonna | $1,142 | $761 | +$567 | Overpriced +78% vs median $/ct for identical specs · 934 stones |
Same specs at other retailers
Stones with identical specs — Marquise, D color, VS1 clarity, carat within 0.10 — are tracked at other retailers (cheapest of them: Ritani at $658), and none is currently cheaper than this certificate's lowest tracked price of $575. 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 $383 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.