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Round|Lab Grown|GIA

0.40ct H VS1 Round Lab Grown Diamond

EX • H/VS1 • GIA 1169192091

Certificate GIA 1169192091

Diamond specifications and retailer prices

From £430 GBP
As of October 31, 2026
Save £113 GBP (21%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £833 GBP at MOH London · As of October 21, 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 top-tier cut grade and certified by GIA 1169192091. Listed at 3 retailers as of October 29, 2026, with a 26% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.40
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 1169192091
Dimensions4.72 × 4.71 × 2.94 mm
L/W Ratio1.00
Top View
4.72 mm4.71 mm0.40 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1169192091
Side View
Table 58.0%CrownGirdlePavilionCulet: NoneDepth 62.3%

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 31
Current: £833 GBP|Low: £419 GBP|High: £852 GBP|Avg: £594 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
October 31, 2026
Retailer 2£430 GBP
Retailer 3£543 GBP
MOH London£833 GBP

38 data points across 3 retailers

3 retailers£430 GBP to £543 GBP

B+
Cheapest Retailer
-
£430 GBP
B
Retailer 2
-
£543 GBP
€693 EUR
View
Most Expensive
MOH London
873988DA0 · Oct 21
£833 GBP
View
Price last confirmed 10 days ago
2 more retailers have this diamond
Prices start from £430 GBPSave up to £113 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
£430 GBP