Round diamond — IGI certificate LG12021803

A 1.20 carat round lab-grown diamond, L color, VS2 clarity, Excellent cut. Facet Wire tracks this exact certificate so its price can be checked against the live market before you buy.

1.20 ct Round lab-grown diamond, certificate IGI LG12021803

Stone specifications

ShapeRound
Carat1.20
ColorL
ClarityVS2
CutExcellent
TypeLab-grown
CertificateIGI LG12021803

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.

RetailerPrice$/ctvs lowestDeal check
New World Diamonds$485$404LowestFair Price
-1% vs median $/ct for identical specs · 13 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 $404 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.