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Round|Lab Grown

0.40ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • TA35B-2093-2093

Diamond specifications and retailer prices

From $349 SGD
$273 USD
As of October 30, 2026
Save $23 SGD (6%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $372 SGD 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 F colour (colourless) and SI1 clarity (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. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading Lab
CertificateTA35B-2093-2093
Dimensions4.68 × 4.64 × 2.94 mm
L/W Ratio1.01
Top View
4.68 mm4.64 mm0.40 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateTA35B-2093-2093
Side View
Table 55.6%CrownGirdlePavilionCuletDepth 62.8%

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: $372 SGD|Low: $349 SGD|High: $372 SGD|Avg: $360 SGD|+1.0%
Aurelinne
Retailer 2
October 2, 2026
Retailer 2$349 SGD
Aurelinne$372 SGD

2 data points across 2 retailers

2 retailers$349 SGD to $372 SGD

B+
Cheapest Retailer
-
$349 SGD
$273 USD
Most Expensive
B
Aurelinne
b9542c53-4e22-4236-9504-598337784574 · Oct 31
$372 SGD
$291 USD
View
1 more retailer has this diamond
Prices start from $349 SGDSave up to $23 SGD

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
$349 SGD