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Round|Lab Grown

0.40ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • TA35C-438-438

Diamond specifications and retailer prices

From $381 CAD
$273 USD
As of October 30, 2026
Save $25 CAD (6%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $406 CAD 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
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading Lab
CertificateTA35C-438-438
Dimensions4.59 × 4.54 × 2.96 mm
L/W Ratio1.01
Top View
4.59 mm4.54 mm0.40 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateTA35C-438-438
Side View
Table 54.5%CrownGirdlePavilionCuletDepth 64.8%

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: $406 CAD|Low: $381 CAD|High: $406 CAD|Avg: $393 CAD|+1.0%
Aurelinne
Retailer 2
October 2, 2026
Retailer 2$381 CAD
Aurelinne$406 CAD

2 data points across 2 retailers

2 retailers$381 CAD to $406 CAD

B+
Cheapest Retailer
-
$381 CAD
$273 USD
Most Expensive
B
Aurelinne
497b01ed-4bf2-4968-af1d-3593d996c60a · Oct 31
$406 CAD
$291 USD
View
1 more retailer has this diamond
Prices start from $381 CADSave up to $25 CAD

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
$381 CAD