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Round|Lab Grown|IGI

0.40ct G VS2 Round Lab Grown Diamond

EX • G/VS2 • IGI LGY-24868

Certificate IGI LGY-24868

Diamond specifications and retailer prices

From £403 GBP
$540 USD
As of October 30, 2026
Save £296 GBP (42%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £699 GBP at Fonder Diamond · As of October 29, 2026
View at Fonder Diamond

About this 0.4ct lab-grown round diamond

This 0.4ct lab-grown round sits in the sub-half-carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LGY-24868 or Y-24868. Listed at 2 retailers as of October 29, 2026, with prices from £403 to £699, a £296 spread on the same certified stone. Fonder Diamond lists it at £699. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.40
Carat
G
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LGY-24868
Dimensions4.71 × 4.68 × 2.92 mm
L/W Ratio1.01
Top View
4.71 mm4.68 mm0.40 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LGY-24868
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.2%

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: £699 GBP|Low: £320 GBP|High: £1,464 GBP|Avg: £693 GBP|-0.4%
Fonder Diamond
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 13, 2026
Retailer 5£320 GBP
Retailer 3£396 GBP
Retailer 2£403 GBP
Fonder Diamond£699 GBP
Retailer 6£754 GBP
Retailer 7£814 GBP
Retailer 4£1,464 GBP

5 data points across 7 retailers

2 retailers£403 GBP to £699 GBP

B
Cheapest Retailer
-
£403 GBP
$540 USD
Most Expensive
B
Fonder Diamond
73654405 · Oct 29
£699 GBP
SGD 1,266 SGD
View
1 more retailer has this diamond
Prices start from £403 GBPSave up to £296 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
0.40ct Round
£403 GBP