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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 $218 SGD
As of November 6, 2026
Save $1,044 SGD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,261 SGD 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 $218 to $1,261, a $1,044 spread on the same certified stone. MOH London lists it at $1,261. 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
Colour
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

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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: $1,261 SGD|Low: $218 SGD|High: $1,756 SGD|Avg: $659 SGD
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 7, 2026
Retailer 6$218 SGD
Retailer 5$252 SGD
Retailer 13$270 SGD
Retailer 3$311 SGD
Retailer 10$343 SGD
Retailer 9$467 SGD
Retailer 2$474 SGD
Retailer 4$483 SGD
Retailer 16$592 SGD
Retailer 14$605 SGD
Retailer 15$868 SGD
Retailer 12$916 SGD
Retailer 11$923 SGD
Retailer 7$984 SGD
MOH London$1,261 SGD
Retailer 8$1,756 SGD

12 data points across 16 retailers

15 retailers$218 SGD to $1,261 SGD

A
Cheapest Retailer
-
$218 SGD
A
Retailer 2
-
$252 SGD
View
A
Retailer 3
-
$270 SGD
View
A
Retailer 4
-
$311 SGD
View
A
Retailer 5
-
$343 SGD
View
A
Retailer 6
-
$467 SGD
View
A
Retailer 7
-
$474 SGD
View
B+
Retailer 8
-
$483 SGD
View
A
Retailer 9
-
$592 SGD
View
A
Retailer 10
-
$605 SGD
View
B+
Retailer 11
-
$868 SGD
View
B+
Retailer 12
-
$916 SGD
View
B+
Retailer 13
-
$923 SGD
View
B+
Retailer 14
-
$991 SGD
View
Most Expensive
B
MOH London
LG685553936 · Nov 1
$1,261 SGD
£775 GBP
View
14 more retailers have this diamond
Prices start from $218 SGDSave up to $1,044 SGD

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
$218 SGD