FACETWIREPrice Intelligence1.51 ct Round Lab-grown diamond (D / VS1) — IGI certificate 845671696
A 1.51 carat round 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 | Round |
|---|---|
| Carat | 1.51 |
| Color | D |
| Clarity | VS1 |
| Cut | Excellent |
| Type | Lab-grown |
| Certificate | IGI 845671696 |
Where this stone is listed Cert matched
This exact certificate is currently listed by 2 retailers in 2 listings. Lowest: $511 at Adiamor — $639 less than the highest tracked listing of this same stone.
| Retailer | Price | $/ct | vs lowest | Deal check |
|---|---|---|---|---|
| Adiamor | $511 | $338 | Lowest | Fair Price -3% vs median $/ct for identical specs · 5886 stones |
| MiaDonna | $1,150 | $762 | +$639 | Overpriced +119% vs median $/ct for identical specs · 5886 stones |
Same specs at other retailers
Stones with identical specs — Round, D color, VS1 clarity, carat within 0.10 — are tracked at other retailers (cheapest of them: Friendly Diamonds at $523), and none is currently cheaper than this certificate's lowest tracked price of $511. Spec-matched stones are not the same physical diamond; only a matching certificate number proves that. How we match.
Facet Wire tracks 246013 round lab-grown diamonds; their median price is $405 per carat. This stone's lowest tracked price works out to $338 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 2026-10-27. Listings can sell or change price at any time; the retailer's own page is the final word at checkout.