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Radiant|Lab Grown|IGI

0.51ct D SI1 Radiant Lab Grown Diamond

EX • D/SI1 • IGI LG843636772

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG843636772

Diamond specifications and retailer prices

From $126 CAD
$90 USD
As of October 30, 2026
Save $1,031 CAD (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,157 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 0.51ct lab-grown radiant diamond

This 0.51ct lab-grown radiant sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG843636772 or 843636772. Listed at 11 retailers as of October 29, 2026, with prices from $126 to $1,157, a $1,031 spread on the same certified stone. MOH London lists it at $1,157. 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
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843636772
Dimensions5.60 × 3.98 × 2.70 mm
L/W Ratio1.41
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.60 mm3.98 mm0.51 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843636772
Side View
Table 64.0%Crown 34.7°Girdle: Slightly ThickPavilion 39.9°Culet: NoneDepth 67.8%

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: $1,157 CAD|Low: $126 CAD|High: $1,182 CAD|Avg: $418 CAD|-2.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2$126 CAD
Retailer 4$141 CAD
Retailer 8$166 CAD
Retailer 5$212 CAD
Retailer 6$291 CAD
Retailer 7$378 CAD
Retailer 9$447 CAD
Retailer 10$503 CAD
Retailer 3$576 CAD
Retailer 11$589 CAD
MOH London$1,157 CAD

6 data points across 11 retailers

11 retailers$126 CAD to $1,157 CAD

A
Cheapest Retailer
-
$126 CAD
$90 USD
A
Retailer 2
-
$141 CAD
$101 USD
View
Final sale: no returns
A
Retailer 3
-
$166 CAD
$119 USD
View
B+
Retailer 4
-
$212 CAD
$152 USD
View
A
Retailer 5
-
$291 CAD
£164 GBP
View
A
Retailer 6
-
$378 CAD
£213 GBP
View
B+
Retailer 7
-
$447 CAD
SGD 432 SGD
View
B+
Retailer 8
-
$503 CAD
$360 USD
View
B+
Retailer 9
-
$576 CAD
$412 USD
View
B+
Retailer 10
-
$589 CAD
$422 USD
View
Most Expensive
B
MOH London
LG843636772 · Oct 29
$1,157 CAD
£652 GBP
View
10 more retailers have this diamond
Prices start from $126 CADSave up to $1,031 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 Radiant
$126 CAD