CaratHunter
Plans
Round|Lab Grown|GIA

0.40ct H SI2 Round Lab Grown Diamond

EX • H/SI2 • GIA 6341253533

Certificate GIA 6341253533

Diamond specifications and retailer prices

From €270 EUR
₹28,685 INR
As of October 31, 2026
Save €494 EUR (65%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €764 EUR at Moon Ocean · As of November 1, 2026
View at Moon Ocean

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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6341253533. Listed at 3 retailers as of October 31, 2026, with prices from €270 to €764, a €494 spread on the same certified stone. Moon Ocean lists it at €764. 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
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginLab Grown
Grading LabGIA
CertificateGIA 6341253533
Dimensions4.80 × 4.82 × 2.91 mm
L/W Ratio1.00
Culet sizeNone
Top View
4.80 mm4.82 mm0.40 ctH / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6341253533
Side View
Table 58.0%CrownGirdle: THN-MEDPavilionCulet: NoneDepth 60.4%

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: Oct 31
Current: €764 EUR|Low: €270 EUR|High: €764 EUR|Avg: €472 EUR
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 3€270 EUR
Retailer 2€457 EUR
Retailer 5€501 EUR
Retailer 4€513 EUR
Moon Ocean€764 EUR

2 data points across 5 retailers

3 retailers€270 EUR to €764 EUR

B+
Cheapest Retailer
-
€270 EUR
₹28,685 INR
B
Retailer 2
-
€457 EUR
£402 GBP
View
Most Expensive
B
Moon Ocean
NVN-C9AD6DC72-533 · Nov 1
€764 EUR
£672 GBP
View
2 more retailers have this diamond
Prices start from €270 EURSave up to €494 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
€270 EUR