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Round|Lab Grown|GIA

0.37ct H SI2 Round Lab Grown Diamond

EX • H/SI2 • GIA 6372581660

Certificate GIA 6372581660

Diamond specifications and retailer prices

From £285 GBP
As of October 30, 2026
Save £233 GBP (45%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £518 GBP at MOH London · As of October 25, 2026
View at MOH London

About this 0.37ct lab-grown round diamond

This 0.37ct lab-grown round sits in the sub-half-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6372581660. Listed at 3 retailers as of October 25, 2026, with prices from £285 to £518, a £233 spread on the same certified stone. MOH London lists it at £518. 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

0.37
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 6372581660
Dimensions4.55 × 4.59 × 2.86 mm
L/W Ratio1.01
Top View
4.55 mm4.59 mm0.37 ctH / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6372581660
Side View
Table 57.0%CrownGirdlePavilionCulet: NoneDepth 62.5%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: £518 GBP|Low: £273 GBP|High: £537 GBP|Avg: £399 GBP|-3.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
October 30, 2026
Retailer 3£285 GBP
Retailer 2£360 GBP
Retailer 4£407 GBP
MOH London£518 GBP

41 data points across 4 retailers

3 retailers£285 GBP to £518 GBP

B+
Cheapest Retailer
-
£285 GBP
B
Retailer 2
-
£360 GBP
€459 EUR
View
Most Expensive
B
MOH London
4D946CF04 · Oct 25
£518 GBP
View
2 more retailers have this diamond
Prices start from £285 GBPSave up to £233 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+
0.37ct Round
£285 GBP