FACETWIREPrice Intelligence1.29 ct Round Lab-grown diamond (E / VS1) — IGI certificate 852617261
A 1.29 carat round lab-grown diamond, E color, VS1 clarity, Excellent 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 | 1.29 |
| Color | E |
| Clarity | VS1 |
| Cut | Excellent |
| Type | Lab-grown |
| Certificate | IGI 852617261 |
Where this stone is listed Cert matched
This exact certificate is currently listed by 2 retailers in 2 listings. Lowest: $472 at Adiamor — $298 less than the highest tracked listing of this same stone.
| Retailer | Price | $/ct | vs lowest | Deal check |
|---|---|---|---|---|
| Adiamor | $472 | $366 | Lowest | Fair Price +10% vs median $/ct for identical specs · 5639 stones |
| MiaDonna | $770 | $597 | +$298 | Overpriced +80% vs median $/ct for identical specs · 5639 stones |
Same specs at other retailers
A different stone with identical specs — Round, E color, VS1 clarity, carat within 0.10 — is listed at With Clarity for $470, which is $2 less than this certificate's lowest tracked price. Spec-matched stones are not the same physical diamond; only a matching certificate number proves that. How we match.
Facet Wire tracks 246013 round lab-grown diamonds; their median price is $405 per carat. This stone's lowest tracked price works out to $366 per carat. This page is one of 981579 certificate pages Facet Wire maintains — one for every tracked certificate.
Price tracked by Facet Wire — updated daily. First tracked 2026-10-30. Listings can sell or change price at any time; the retailer's own page is the final word at checkout.