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Radiant|Lab Grown|IGI

5.53ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG582386664

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

Certificate IGI LG582386664

Diamond specifications and retailer prices

From $831 SGD
$650 USD
As of November 2, 2026
Save $3,945 SGD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,777 SGD at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 5.53ct lab-grown radiant diamond

This 5.53ct lab-grown radiant sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG582386664 or 582386664. Listed at 15 retailers as of November 1, 2026, with prices from $831 to $4,777, a $3,945 spread on the same certified stone. Rare Carat lists it at $4,777. 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

5.53
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.8°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG582386664
Dimensions12.42 × 8.77 × 5.77 mm
L/W Ratio1.42
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
12.42 mm8.77 mm5.53 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG582386664
Side View
Table 65.0%Crown 44.8°Girdle: Slightly ThickPavilion 34.7°Culet: NoneDepth 65.8%

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: Nov 2
Current: $4,777 SGD|Low: $831 SGD|High: $11,421 SGD|Avg: $3,022 SGD|-12.1%
Rare Carat
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
Retailer 17
November 3, 2026
Retailer 7$831 SGD
Retailer 6$904 SGD
Retailer 14$964 SGD
Retailer 10$1,078 SGD
Retailer 17$1,146 SGD
Retailer 15$1,189 SGD
Retailer 16$1,496 SGD
Retailer 2$1,525 SGD
Retailer 12$1,562 SGD
Retailer 5$1,574 SGD
Retailer 13$2,462 SGD
Retailer 3$2,710 SGD
Retailer 4$2,893 SGD
Retailer 11$4,061 SGD
Rare Carat$4,777 SGD
Retailer 9$7,602 SGD
Retailer 8$11,421 SGD

8 data points across 17 retailers

15 retailers$831 SGD to $4,777 SGD

A
Cheapest Retailer
-
$831 SGD
$650 USD
A
Retailer 2
-
$904 SGD
$707 USD
View
A
Retailer 3
-
$964 SGD
$754 USD
View
A
Retailer 4
-
$1,078 SGD
£664 GBP
View
A
Retailer 5
-
$1,146 SGD
HK$7,000 HKD
View
A
Retailer 6
-
$1,189 SGD
$930 USD
View
A
Retailer 7
-
$1,496 SGD
$1,170 USD
View
A
Retailer 8
-
$1,525 SGD
£939 GBP
View
B+
Retailer 9
-
$1,562 SGD
€1,163 EUR
View
B+
Retailer 10
-
$1,574 SGD
$1,231 USD
View
B+
Retailer 11
-
$2,462 SGD
$1,925 USD
View
B
Retailer 12
-
$2,710 SGD
$2,119 USD
View
B
Retailer 13
-
$2,893 SGD
$2,262 USD
View
B
Retailer 14
-
$4,061 SGD
£2,500 GBP
View
Most Expensive
B
Rare Carat
KI6643866KF582 · Nov 1
$4,777 SGD
$3,735 USD
View
14 more retailers have this diamond
Prices start from $831 SGDSave up to $3,945 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
5.53ct Radiant
$831 SGD