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Oval|Lab Grown|IGI

40.07ct G VS2 Oval Lab Grown Diamond

ID • G/VS2 • IGI LG757505823

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG757505823

Diamond specifications and retailer prices

From £20,840 GBP
As of October 29, 2026
Save £30,185 GBP (59%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £73,171 GBP at Adiamor · As of October 28, 2026
View at Adiamor

About this 40.07ct lab-grown oval diamond

This 40.07ct 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 LG757505823 or 757505823. Listed at 7 retailers as of October 29, 2026, with a 145% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

40.07
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG757505823
Dimensions27.13 × 19.25 × 12.00 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
27.13 mm19.25 mm40.07 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG757505823
Side View
Table 60.0%Crown 36.3°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £73,171 GBP|Low: £20,713 GBP|High: £83,547 GBP|Avg: £44,373 GBP|-5.6%
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 2£20,840 GBP
Retailer 8£29,237 GBP
Retailer 4£30,024 GBP
Retailer 6£33,416 GBP
Retailer 5£34,828 GBP
Retailer 7£51,026 GBP
Retailer 3£58,936 GBP
Adiamor£73,171 GBP

27 data points across 8 retailers

7 retailers£20,840 GBP to £51,026 GBP

B+
Cheapest Retailer
-
£20,840 GBP
B
Retailer 2
-
£29,237 GBP
$38,935 USD
View
B
Retailer 3
-
£30,024 GBP
$39,983 USD
View
B
Retailer 4
-
£33,416 GBP
$44,500 USD
View
Retailer 5
-
£34,828 GBP
$46,380 USD
View
Price last confirmed 17 days ago
B
Retailer 6
-
£51,026 GBP
$67,950 USD
View
Most Expensive
Adiamor
D-82361029 · Oct 28
£73,171 GBP
$97,441 USD
View
Price under review
6 more retailers have this diamond
Prices start from £20,840 GBPSave up to £30,185 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+
40.07ct Oval
£20,840 GBP