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Radiant|Lab Grown|IGI

1.53ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG685553936

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

Certificate IGI LG685553936

Diamond specifications and retailer prices

From $239 CAD
As of November 6, 2026
Save $1,145 CAD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,384 CAD at MOH London · As of November 1, 2026
View at MOH London

About this 1.53ct lab-grown radiant diamond

This 1.53ct lab-grown radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG685553936 or 685553936. Listed at 15 retailers as of November 1, 2026, with prices from $239 to $1,384, a $1,145 spread on the same certified stone. MOH London lists it at $1,384. 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

1.53
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685553936
Dimensions8.29 × 5.61 × 3.78 mm
L/W Ratio1.48
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.29 mm5.61 mm1.53 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685553936
Side View
Table 62.0%Crown 43°Girdle: Slightly ThickPavilion 34.5°Culet: NoneDepth 67.4%

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: Nov 6
Current: $1,384 CAD|Low: $239 CAD|High: $1,927 CAD|Avg: $723 CAD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 6$239 CAD
Retailer 5$277 CAD
Retailer 13$297 CAD
Retailer 3$342 CAD
Retailer 9$377 CAD
Retailer 2$512 CAD
Retailer 10$520 CAD
Retailer 4$530 CAD
Retailer 16$650 CAD
Retailer 14$664 CAD
Retailer 15$952 CAD
Retailer 12$1,006 CAD
Retailer 11$1,013 CAD
Retailer 7$1,080 CAD
MOH London$1,384 CAD
Retailer 8$1,927 CAD

11 data points across 16 retailers

15 retailers$239 CAD to $1,384 CAD

A
Cheapest Retailer
-
$239 CAD
A
Retailer 2
-
$277 CAD
View
A
Retailer 3
-
$297 CAD
View
A
Retailer 4
-
$342 CAD
View
A
Retailer 5
-
$377 CAD
View
A
Retailer 6
-
$512 CAD
View
A
Retailer 7
-
$520 CAD
View
B+
Retailer 8
-
$530 CAD
View
A
Retailer 9
-
$650 CAD
View
A
Retailer 10
-
$664 CAD
View
B+
Retailer 11
-
$952 CAD
View
B+
Retailer 12
-
$1,006 CAD
View
B+
Retailer 13
-
$1,013 CAD
View
B+
Retailer 14
-
$1,087 CAD
View
Most Expensive
B
MOH London
LG685553936 · Nov 1
$1,384 CAD
£775 GBP
View
14 more retailers have this diamond
Prices start from $239 CADSave up to $1,145 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
1.53ct Radiant
$239 CAD