FACETWIREPrice IntelligenceRound diamond — IGI certificate LG11972512
A 1.23 carat round lab-grown diamond, Fancy Dark Green color, SI1 clarity, VERY GOOD 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 | 1.23 |
| Color | Fancy Dark Green |
| Clarity | SI1 |
| Cut | VERY GOOD |
| Type | Lab-grown |
| Certificate | IGI LG11972512 |
Where this stone is listed
Facet Wire currently tracks this certificate at one retailer. If another store lists the same certificate, it will appear here automatically.
| Retailer | Price | $/ct | vs lowest | Deal check |
|---|---|---|---|---|
| New World Diamonds | $1,230 | $1,000 | Lowest | Fair Price +0% vs median $/ct for identical specs · 8 stones |
Facet Wire tracks 2215 round lab-grown diamonds; their median price is $541 per carat. This stone's lowest tracked price works out to $1,000 per carat. This page is one of 6939 certificate pages Facet Wire maintains — one for every tracked certificate.
Price tracked by Facet Wire — updated daily. First tracked 2026-10-21. Listings can sell or change price at any time; the retailer's own page is the final word at checkout.