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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 $366 AUD
$257 USD
As of October 30, 2026
Save $24 AUD (6%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $390 AUD 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
Colour
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: $390 AUD|Low: $366 AUD|High: $390 AUD|Avg: $379 AUD|+1.1%
Aurelinne
Retailer 2
October 2, 2026
Retailer 2$366 AUD
Aurelinne$390 AUD

3 data points across 2 retailers

2 retailers$366 AUD to $390 AUD

B+
Cheapest Retailer
-
$366 AUD
$257 USD
Most Expensive
B+
Aurelinne
a4e64d9f-1ce6-468b-9fce-a6ffd1ed365c · Oct 31
$390 AUD
$274 USD
View
1 more retailer has this diamond
Prices start from $366 AUDSave up to $24 AUD

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 AUD