Radiant diamond — IGI certificate LG12242210

A 1.21 carat radiant lab-grown diamond, K 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.

1.21 ct Radiant lab-grown diamond, certificate IGI LG12242210

Stone specifications

ShapeRadiant
Carat1.21
ColorK
ClaritySI1
CutVery Good
TypeLab-grown
CertificateIGI LG12242210

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$430$355Lowest—

Facet Wire tracks 605 radiant lab-grown diamonds; their median price is $703 per carat. This stone's lowest tracked price works out to $355 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.