4.51 ct Emerald Lab-grown diamond (F / VS1) — IGI certificate 845610282
A 4.51 carat emerald lab-grown diamond, F color, VS1 clarity, Affinity cut. Facet Wire tracks this exact certificate so its price can be checked against the live market before you buy.

Stone specifications
| Shape | Emerald |
|---|---|
| Carat | 4.51 |
| Color | F |
| Clarity | VS1 |
| Cut | Affinity |
| Type | Lab-grown |
| Certificate | IGI 845610282 |
Where this stone is listed Cert matched
This exact certificate is currently listed by 2 retailers in 2 listings. Lowest: $1,867 at Adiamor — $760 less than the highest tracked listing of this same stone.
| Retailer | Price | $/ct | vs lowest | Deal check |
|---|---|---|---|---|
| Adiamor | $1,867 | $414 | Lowest | Fair Price -1% vs median $/ct for identical specs · 185 stones |
| MiaDonna | $2,627 | $582 | +$760 | Overpriced +40% vs median $/ct for identical specs · 185 stones |
Same specs at other retailers
Stones with identical specs — Emerald, F color, VS1 clarity, carat within 0.10 — are tracked at other retailers (cheapest of them: Grown Brilliance at $2,470), and none is currently cheaper than this certificate's lowest tracked price of $1,867. Spec-matched stones are not the same physical diamond; only a matching certificate number proves that. How we match.
Facet Wire tracks 95362 emerald lab-grown diamonds; their median price is $474 per carat. This stone's lowest tracked price works out to $414 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 2026-10-27. Listings can sell or change price at any time; the retailer's own page is the final word at checkout.