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Round|Lab Grown

0.40ct H VS1 Round Lab Grown Diamond

EX • H/VS1 • TA45B-157-631

Diamond specifications and retailer prices

From €230 EUR
$257 USD
As of October 30, 2026
Save €15 EUR (6%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €245 EUR at Aurelinne · As of October 31, 2026
View at Aurelinne

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. Listed at 2 retailers as of October 30, 2026, with a relatively tight 7% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading Lab
CertificateTA45B-157-631
Dimensions4.74 × 4.72 × 2.94 mm
L/W Ratio1.00
Top View
4.74 mm4.72 mm0.40 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateTA45B-157-631
Side View
Table 55.5%CrownGirdlePavilionCuletDepth 62.2%

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 30
Current: €245 EUR|Low: €230 EUR|High: €245 EUR|Avg: €238 EUR|+1.1%
Aurelinne
Retailer 2
October 2, 2026
Retailer 2€230 EUR
Aurelinne€245 EUR

3 data points across 2 retailers

2 retailers€230 EUR to €245 EUR

B+
Cheapest Retailer
-
€230 EUR
$257 USD
Most Expensive
B+
Aurelinne
a4e64d9f-1ce6-468b-9fce-a6ffd1ed365c · Oct 31
€245 EUR
$274 USD
View
1 more retailer has this diamond
Prices start from €230 EURSave up to €15 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
€230 EUR