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Oval|Lab Grown|IGI

31.07ct G VS2 Oval Lab Grown Diamond

ID • G/VS2 • IGI LG786664185

Shape and cutting style on the report: Oval modified brilliant

Certificate IGI LG786664185

Diamond specifications and retailer prices

From £15,225 GBP
$20,400 USD
As of October 30, 2026
Save £27,487 GBP (64%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £42,712 GBP at Adiamor · As of October 31, 2026
View at Adiamor

About this 31.07ct lab-grown oval diamond

This 31.07ct lab-grown oval sits in the over five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG786664185 or 786664185. Listed at 7 retailers as of October 30, 2026, with prices from £15,225 to £42,712, a £27,487 spread on the same certified stone. Adiamor lists it at £42,712. 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

31.07
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle55.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786664185
Dimensions23.45 × 16.86 × 9.95 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
23.45 mm16.86 mm31.07 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786664185
Side View
Table 60.0%Crown 35.7°Girdle: THK-VTKPavilion 55.5°Culet: NoneDepth 59.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £42,712 GBP|Low: £13,818 GBP|High: £42,712 GBP|Avg: £27,892 GBP
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 4£13,818 GBP
Retailer 6£15,225 GBP
Retailer 5£15,690 GBP
Retailer 2£28,483 GBP
Retailer 3£37,309 GBP
Retailer 7£40,925 GBP
Adiamor£42,712 GBP

20 data points across 7 retailers

7 retailers£15,225 GBP to £42,712 GBP

Retailer 1
-
£13,818 GBP
$18,515 USD
Price last confirmed 12 days ago
B
Retailer 2
-
£15,225 GBP
$20,400 USD
View
B
Retailer 3
-
£15,690 GBP
$21,023 USD
View
B
Retailer 4
-
£28,483 GBP
€36,347 EUR
View
B
Retailer 5
-
£37,309 GBP
$49,990 USD
View
B
Retailer 6
-
£40,925 GBP
$54,835 USD
View
Most Expensive
B
Adiamor
D-78570708 · Oct 31
£42,712 GBP
$57,229 USD
View
6 more retailers have this diamond
Prices start from £15,225 GBPSave up to £27,487 GBP

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.

B
31.07ct Oval
£15,225 GBP