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Round|Lab Grown|GIA

0.40ct H VS1 Round Lab Grown Diamond

VG • H/VS1 • GIA 6522842627

Certificate GIA 6522842627

Diamond specifications and retailer prices

From €510 EUR
£449 GBP
As of November 1, 2026
Save €432 EUR (46%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €942 EUR at MOH London · As of November 1, 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 6522842627. Listed at 3 retailers as of November 1, 2026, with prices from €510 to €942, a €432 spread on the same certified stone. MOH London lists it at €942. 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 6522842627
Dimensions4.65 × 4.61 × 2.92 mm
L/W Ratio1.01
Top View
4.65 mm4.61 mm0.40 ctH / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6522842627
Side View
Table 59.0%CrownGirdlePavilionCulet: NoneDepth 63.1%

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: Nov 1
Current: €942 EUR|Low: €487 EUR|High: €978 EUR|Avg: €688 EUR|-1.4%
MOH London
Retailer 2
Retailer 3
November 1, 2026
Retailer 3€510 EUR
Retailer 2€631 EUR
MOH London€942 EUR

40 data points across 3 retailers

3 retailers€510 EUR to €942 EUR

B
Cheapest Retailer
-
€510 EUR
£449 GBP
B
Retailer 2
-
€631 EUR
View
Most Expensive
B
MOH London
E0B86D975 · Nov 1
€942 EUR
£829 GBP
View
2 more retailers have this diamond
Prices start from €510 EURSave up to €432 EUR

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
€510 EUR