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Cushion|Lab Grown|IGI

0.51ct F SI2 Cushion Lab Grown Diamond

ID • F/SI2 • IGI LG436073162

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG436073162

Diamond specifications and retailer prices

From $433 CAD
$310 USD
As of October 30, 2026
Save $492 CAD (53%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $2,022 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 0.51ct lab-grown cushion diamond

This 0.51ct lab-grown cushion sits in the half to three-quarter carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436073162 or 436073162. Listed at 5 retailers as of October 30, 2026, with a 114% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.51
Carat
F
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.2°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436073162
Dimensions4.82 × 4.49 × 3.07 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
4.82 mm4.49 mm0.51 ctF / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436073162
Side View
Table 58.5%Crown 34.2°Girdle: MED-THKPavilion 42.1°Culet: NoneDepth 68.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,022 CAD|Low: $433 CAD|High: $2,035 CAD|Avg: $966 CAD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 3$433 CAD
Retailer 4$501 CAD
Retailer 5$826 CAD
Retailer 7$860 CAD
Retailer 2$926 CAD
Retailer 6$1,003 CAD
MOH London$2,022 CAD

18 data points across 7 retailers

5 retailers$433 CAD to $926 CAD

A
Cheapest Retailer
-
$433 CAD
$310 USD
B+
Retailer 2
-
$501 CAD
$359 USD
View
B
Retailer 3
-
$826 CAD
$591 USD
View
B
Retailer 4
-
$926 CAD
€631 EUR
View
Most Expensive
MOH London
LG436073162 · Oct 29
$2,022 CAD
£1,140 GBP
View
Price under review
4 more retailers have this diamond
Prices start from $433 CADSave up to $492 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.

A
0.51ct Cushion
$433 CAD