FACETWIREPrice Intelligence1.70 ct Cushion Natural diamond (J / SI1) — GIA certificate 6542758051
A 1.70 carat cushion natural diamond, J color, SI1 clarity, Good 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 | 1.70 |
| Color | J |
| Clarity | SI1 |
| Cut | Good |
| Type | Natural |
| Certificate | GIA 6542758051 |
Where this stone is listed Cert matched
This exact certificate is currently listed by 2 retailers in 2 listings. Lowest: $3,661 at Adiamor — $244 less than the highest tracked listing of this same stone.
| Retailer | Price | $/ct | vs lowest | Deal check |
|---|---|---|---|---|
| Adiamor | $3,661 | $2,154 | Lowest | Fair Price +1% vs median $/ct for identical specs · 105 stones |
| Frank Darling | $3,905 | $2,297 | +$244 | Fair Price +7% vs median $/ct for identical specs · 105 stones |
Facet Wire tracks 11125 cushion natural diamonds; their median price is $2,776 per carat. This stone's lowest tracked price works out to $2,154 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.