Round diamond — IGI certificate 310856125
A 0.31 carat round lab-grown diamond, J color, VVS1 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 | 0.31 |
| Color | J |
| Clarity | VVS1 |
| Cut | Very Good |
| Type | Lab-grown |
| Certificate | IGI 310856125 |
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 | $115 | $371 | Lowest | Fair Price +6% vs median $/ct for identical specs · 6 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 $371 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.