FACETWIREPrice Intelligence1.54 ct Marquise Lab-grown diamond (E / SI1) — IGI certificate 848668859
A 1.54 carat marquise lab-grown diamond, E 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 | Marquise |
|---|---|
| Carat | 1.54 |
| Color | E |
| Clarity | SI1 |
| Cut | Excellent |
| Type | Lab-grown |
| Certificate | IGI 848668859 |
Where this stone is listed Cert matched
This exact certificate is currently listed by 2 retailers in 2 listings. Lowest: $512 at Adiamor — $411 less than the highest tracked listing of this same stone.
| Retailer | Price | $/ct | vs lowest | Deal check |
|---|---|---|---|---|
| Adiamor | $512 | $332 | Lowest | Fair Price -3% vs median $/ct for identical specs · 12 stones |
| MiaDonna | $923 | $599 | +$411 | Overpriced +74% vs median $/ct for identical specs · 12 stones |
Facet Wire tracks 71830 marquise lab-grown diamonds; their median price is $485 per carat. This stone's lowest tracked price works out to $332 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.