FACETWIREPrice IntelligenceRound diamond — IGI certificate LG12378803
A 1.35 carat round lab-grown diamond, J color, VS1 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 | 1.35 |
| Color | J |
| Clarity | VS1 |
| Cut | Ideal |
| Type | Lab-grown |
| Certificate | IGI LG12378803 |
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 | $490 | $363 | Lowest | Hot Deal -25% vs median $/ct for identical specs · 16 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 $363 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.