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Round|Lab Grown|GIA

0.41ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • GIA 2437757109

Certificate GIA 2437757109

Diamond specifications and retailer prices

From £392 GBP
HK$4,100 HKD
As of October 30, 2026
Save £549 GBP (58%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £940 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 0.41ct lab-grown round diamond

This 0.41ct lab-grown round sits in the sub-half-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2437757109. Listed at 6 retailers as of October 26, 2026, with prices from £392 to £940, a £549 spread on the same certified stone. MOH London lists it at £940. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.41
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 2437757109
Dimensions4.74 × 4.70 × 2.97 mm
L/W Ratio1.01
Top View
4.74 mm4.70 mm0.41 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2437757109
Side View
Table 58.0%CrownGirdlePavilionCulet: NDepth 62.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: £940 GBP|Low: £345 GBP|High: £964 GBP|Avg: £552 GBP|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 4£345 GBP
Retailer 6£392 GBP
Retailer 2£511 GBP
Retailer 3£549 GBP
Retailer 5£620 GBP
MOH London£940 GBP

41 data points across 6 retailers

6 retailers£392 GBP to £940 GBP

Retailer 1
-
£345 GBP
$462 USD
Price last confirmed 17 days ago
B
Retailer 2
-
£392 GBP
HK$4,100 HKD
View
B
Retailer 3
-
£511 GBP
View
B
Retailer 4
-
£549 GBP
€701 EUR
View
Retailer 5
-
£620 GBP
A$1,279 AUD
View
Price last confirmed 26 days ago
Most Expensive
B
MOH London
07520E29E · Oct 26
£940 GBP
View
5 more retailers have this diamond
Prices start from £392 GBPSave up to £549 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
0.41ct Round
£392 GBP