0.87 ct Round Lab-grown diamond (E / SI1) — IGI certificate 660448979
A 0.87 carat round lab-grown diamond, E color, SI1 clarity, Ideal 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 | 0.87 |
| Color | E |
| Clarity | SI1 |
| Cut | Ideal |
| Type | Lab-grown |
| Certificate | IGI 660448979 |
Where this stone is listed Cert matched
This exact certificate is currently listed by 2 retailers in 2 listings. Lowest: $285 at Adiamor — $173 less than the highest tracked listing of this same stone.
| Retailer | Price | $/ct | vs lowest | Deal check |
|---|---|---|---|---|
| Adiamor | $285 | $328 | Lowest | Fair Price +11% vs median $/ct for identical specs · 388 stones |
| MiaDonna | $458 | $526 | +$173 | Overpriced +78% vs median $/ct for identical specs · 388 stones |
Facet Wire tracks 246013 round lab-grown diamonds; their median price is $405 per carat. This stone's lowest tracked price works out to $328 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 2026-10-28. Listings can sell or change price at any time; the retailer's own page is the final word at checkout.