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Round|Lab Grown|GIA

0.40ct F SI2 Round Lab Grown Diamond

EX • F/SI2 • GIA 6137982392

Certificate GIA 6137982392

Diamond specifications and retailer prices

From €366 EUR
$410 USD
As of November 1, 2026
Save €752 EUR (67%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €1,118 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6137982392. Listed at 6 retailers as of November 1, 2026, with prices from €366 to €1,118, a €752 spread on the same certified stone. MOH London lists it at €1,118. 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

0.40
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 6137982392
Dimensions4.70 × 4.68 × 2.94 mm
L/W Ratio1.00
Top View
4.70 mm4.68 mm0.40 ctF / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6137982392
Side View
Table 58.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.7%

Caratlytics Score

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

Price History

Last verified: Nov 1
Current: €1,118 EUR|Low: €366 EUR|High: €1,124 EUR|Avg: €615 EUR|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 4€366 EUR
Retailer 6€445 EUR
Retailer 5€534 EUR
Retailer 7€597 EUR
Retailer 2€608 EUR
Retailer 3€652 EUR
MOH London€1,118 EUR

20 data points across 7 retailers

6 retailers€366 EUR to €1,118 EUR

B+
Cheapest Retailer
-
€366 EUR
$410 USD
B+
Retailer 2
-
€445 EUR
HK$3,900 HKD
View
B
Retailer 3
-
€534 EUR
$599 USD
View
B
Retailer 4
-
€608 EUR
£537 GBP
View
B
Retailer 5
-
€652 EUR
View
Most Expensive
B
MOH London
D5FCCFC0A · Nov 1
€1,118 EUR
£987 GBP
View
5 more retailers have this diamond
Prices start from €366 EURSave up to €752 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
€366 EUR