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Round|Lab Grown|IGI

0.40ct M VVS2 Round Lab Grown Diamond

ID • M/VVS2 • IGI LG821623273

Shape and cutting style on the report: Old european cut

Certificate IGI LG821623273

Diamond specifications and retailer prices

From £91 GBP
As of November 6, 2026
Save £93 GBP (51%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £184 GBP at Yorxs · As of November 4, 2026
View at Yorxs

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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG821623273 or 821623273. Listed at 5 retailers as of November 4, 2026, with prices from £91 to £184, a £93 spread on the same certified stone. Yorxs lists it at £184. 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
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle39.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821623273
Dimensions4.58 × 4.53 × 2.69 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
4.58 mm4.53 mm0.40 ctM / VVS2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG821623273
Side View
Table 52.0%Crown 39.4°Girdle: MED-STKPavilion 40.3°Culet: LargeDepth 59.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £137 GBP|Low: £91 GBP|High: £191 GBP|Avg: £136 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Yorxs
October 31, 2026
Retailer 3£91 GBP
Retailer 2£107 GBP
Retailer 1£137 GBP
Retailer 4£175 GBP
Yorxs£184 GBP

11 data points across 5 retailers

5 retailers£91 GBP to £184 GBP

A
Cheapest Retailer
-
£91 GBP
Final sale: no returns
Retailer 2
-
£107 GBP
View
Price last confirmed 12 days ago
B+
Retailer 3
-
£137 GBP
View
B
Retailer 4
-
£175 GBP
View
Most Expensive
B
Yorxs
616962386 · Nov 4
£184 GBP
€236 EUR
View
4 more retailers have this diamond
Prices start from £91 GBPSave up to £93 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
£91 GBP