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Oval|Lab Grown|IGI

51.58ct F VVS2 Oval Lab Grown Diamond

ID • F/VVS2 • IGI LG782666993

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG782666993

Diamond specifications and retailer prices

From £73,142 GBP
As of November 1, 2026
7 retailers carry this diamond
Most expensive: £186,620 GBP at Loose Grown Diamond · As of October 26, 2026
View at Loose Grown Diamond

About this 51.58ct lab-grown oval diamond

This 51.58ct lab-grown oval sits in the over five carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG782666993 or 782666993. Listed at 7 retailers as of October 26, 2026. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

51.58
Carat
F
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.7°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG782666993
Dimensions29.76 × 20.47 × 12.29 mm
L/W Ratio1.45
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
29.76 mm20.47 mm51.58 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG782666993
Side View
Table 63.0%Crown 41.7°Girdle: STK-THKPavilion 36.3°Culet: NoneDepth 60.0%

Caratlytics Score

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Nov 1
Current: £186,620 GBP|Low: £73,115 GBP|High: £188,469 GBP|Avg: £125,228 GBP
Loose Grown Diamond
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 2£73,142 GBP
Retailer 6£100,068 GBP
Retailer 5£105,983 GBP
Retailer 3£107,158 GBP
Retailer 4£122,940 GBP
Retailer 7£162,113 GBP
Loose Grown Diamond£186,620 GBP

25 data points across 7 retailers

7 retailers£73,142 GBP to £186,620 GBP

Retailer 1
-
£73,142 GBP
Price under review
Retailer 2
-
£162,113 GBP
$217,213 USD
View
Price under review
Most Expensive
Loose Grown Diamond
782666993 · Oct 26
£186,620 GBP
$250,050 USD
View
Price under review
2 more retailers have this diamond

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

51.58ct Oval
£73,142 GBP