1.01 ct Cushion Lab-grown diamond (D / SI1) — IGI certificate 747513189
A 1.01 carat cushion 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 | Cushion |
|---|---|
| Carat | 1.01 |
| Color | D |
| Clarity | SI1 |
| Cut | Excellent |
| Type | Lab-grown |
| Certificate | IGI 747513189 |
Where this stone is listed Cert matched
This exact certificate is currently listed by 2 retailers in 2 listings. Lowest: $349 at Adiamor — $396 less than the highest tracked listing of this same stone.
| Retailer | Price | $/ct | vs lowest | Deal check |
|---|---|---|---|---|
| Adiamor | $349 | $346 | Lowest | Fair Price +1% vs median $/ct for identical specs · 39 stones |
| MiaDonna | $745 | $738 | +$396 | Overpriced +115% vs median $/ct for identical specs · 39 stones |
Facet Wire tracks 73785 cushion lab-grown diamonds; their median price is $468 per carat. This stone's lowest tracked price works out to $346 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.