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Round|Lab Grown|IGI

0.40ct H SI1 Round Lab Grown Diamond

EX • H/SI1 • IGI LGY-24910

Certificate IGI LGY-24910

Diamond specifications and retailer prices

From $601 CAD
$430 USD
As of October 28, 2026
Save $421 CAD (41%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,021 CAD at Fonder Diamond · As of October 29, 2026
View at Fonder Diamond

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LGY-24910 or Y-24910. Listed at 2 retailers as of October 28, 2026, with prices from $601 to $1,021, a $421 spread on the same certified stone. Fonder Diamond lists it at $1,021. 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
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LGY-24910
Dimensions4.82 × 4.84 mm
L/W Ratio1.00
Top View
4.82 mm4.84 mm0.40 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LGY-24910
Side View
Table 61.0%CrownGirdle: THN - MEDPavilionCulet: NDepth 58.8%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $1,021 CAD|Low: $465 CAD|High: $1,815 CAD|Avg: $1,009 CAD|-0.4%
Fonder Diamond
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 13, 2026
Retailer 2$465 CAD
Retailer 3$601 CAD
Retailer 5$1,006 CAD
Fonder Diamond$1,021 CAD
Retailer 6$1,142 CAD
Retailer 4$1,815 CAD

4 data points across 6 retailers

2 retailers$601 CAD to $1,021 CAD

B
Cheapest Retailer
-
$601 CAD
$430 USD
Most Expensive
B
Fonder Diamond
96932507 · Oct 29
$1,021 CAD
SGD 988 SGD
View
1 more retailer has this diamond
Prices start from $601 CADSave up to $421 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
$601 CAD