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Round|Lab Grown|IGI

0.40ct M VS1 Round Lab Grown Diamond

ID • M/VS1 • IGI LG832605120

Shape and cutting style on the report: Old european cut

Certificate IGI LG832605120

Diamond specifications and retailer prices

From £104 GBP
As of November 6, 2026
Save £105 GBP (50%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £209 GBP at Wholesale Diamonds Direct · As of November 5, 2026
View at Wholesale Diamonds Direct

About this 0.4ct lab-grown round diamond

This 0.4ct lab-grown round sits in the sub-half-carat band, graded M colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG832605120 or 832605120. Listed at 4 retailers as of November 5, 2026, with prices from £104 to £209, a £105 spread on the same certified stone. Wholesale Diamonds Direct lists it at £209. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.40
Carat
M
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG832605120
Dimensions4.57 × 4.61 × 2.84 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa Faint Brown
Top View
4.57 mm4.61 mm0.40 ctM / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG832605120
Side View
Table 53.0%Crown 39.7°Girdle: MediumPavilion 40.3°Culet: LargeDepth 61.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £205 GBP|Low: £104 GBP|High: £214 GBP|Avg: £165 GBP|+0.4%
Retailer 1
Retailer 2
Retailer 3
Wholesale Diamonds Direct
October 31, 2026
Retailer 3£104 GBP
Retailer 2£156 GBP
Retailer 1£205 GBP
Wholesale Diamonds Direct£209 GBP

13 data points across 4 retailers

4 retailers£104 GBP to £209 GBP

A
Cheapest Retailer
-
£104 GBP
Final sale: no returns
B
Retailer 2
-
£156 GBP
View
B
Retailer 3
-
£205 GBP
View
Most Expensive
B
Wholesale Diamonds Direct
379141076 · Nov 5
£209 GBP
$282 USD
View
3 more retailers have this diamond
Prices start from £104 GBPSave up to £105 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.

A
0.40ct Round
£104 GBP