FACETWIREPrice Intelligence1.03 ct Round Lab-grown diamond (D / SI1) — IGI certificate 772665196
A 1.03 carat round lab-grown diamond, D color, SI1 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 | 1.03 |
| Color | D |
| Clarity | SI1 |
| Cut | Excellent |
| Type | Lab-grown |
| Certificate | IGI 772665196 |
Where this stone is listed Cert matched
This exact certificate is currently listed by 2 retailers in 2 listings. Lowest: $304 at Adiamor — $455 less than the highest tracked listing of this same stone.
| Retailer | Price | $/ct | vs lowest | Deal check |
|---|---|---|---|---|
| Adiamor | $304 | $295 | Lowest | Fair Price -2% vs median $/ct for identical specs · 501 stones |
| MiaDonna | $759 | $737 | +$455 | Overpriced +145% vs median $/ct for identical specs · 501 stones |
Same specs at other retailers
Stones with identical specs — Round, D color, SI1 clarity, carat within 0.10 — are tracked at other retailers (cheapest of them: MiaDonna at $723), and none is currently cheaper than this certificate's lowest tracked price of $304. Spec-matched stones are not the same physical diamond; only a matching certificate number proves that. How we match.
Facet Wire tracks 217613 round lab-grown diamonds; their median price is $409 per carat. This stone's lowest tracked price works out to $295 per carat. This page is one of 880275 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.