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Round|Lab Grown|GIA

0.40ct H VS1 Round Lab Grown Diamond

VG • H/VS1 • GIA 2136768762

Certificate GIA 2136768762

Diamond specifications and retailer prices

From £390 GBP
As of October 30, 2026
Save £338 GBP (46%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £728 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.4ct lab-grown round diamond

This 0.4ct lab-grown round sits in the sub-half-carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by GIA 2136768762. Listed at 3 retailers as of October 29, 2026, with prices from £390 to £728, a £338 spread on the same certified stone. MOH London lists it at £728. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.40
Carat
H
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 2136768762
Dimensions4.79 × 4.81 × 2.83 mm
L/W Ratio1.00
Top View
4.79 mm4.81 mm0.40 ctH / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2136768762
Side View
Table 59.0%CrownGirdlePavilionCulet: NoneDepth 58.9%

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: £728 GBP|Low: £371 GBP|High: £753 GBP|Avg: £528 GBP|-0.6%
MOH London
Retailer 2
Retailer 3
October 30, 2026
Retailer 2£390 GBP
Retailer 3£490 GBP
MOH London£728 GBP

40 data points across 3 retailers

3 retailers£390 GBP to £728 GBP

B
Cheapest Retailer
-
£390 GBP
B
Retailer 2
-
£490 GBP
€625 EUR
View
Most Expensive
B
MOH London
1116BF1EA · Oct 29
£728 GBP
View
2 more retailers have this diamond
Prices start from £390 GBPSave up to £338 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
£390 GBP