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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 $650 USD
As of November 2, 2026
Save $3,085 USD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,735 USD 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 $650 to $3,735, a $3,085 spread on the same certified stone. Rare Carat lists it at $3,735. 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
Color
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: $3,735 USD|Low: $650 USD|High: $8,930 USD|Avg: $2,389 USD|-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 2, 2026
Retailer 7$650 USD
Retailer 6$707 USD
Retailer 14$754 USD
Retailer 2$843 USD
Retailer 17$896 USD
Retailer 15$930 USD
Retailer 16$1,170 USD
Retailer 10$1,204 USD
Retailer 12$1,221 USD
Retailer 5$1,231 USD
Retailer 13$1,925 USD
Retailer 3$2,119 USD
Retailer 4$2,262 USD
Retailer 11$3,175 USD
Rare Carat$3,735 USD
Retailer 9$5,944 USD
Retailer 8$8,930 USD

7 data points across 17 retailers

15 retailers$650 USD to $3,735 USD

A
Cheapest Retailer
-
$650 USD
A
Retailer 2
-
$707 USD
View
A
Retailer 3
-
$754 USD
View
A
Retailer 4
-
$843 USD
£664 GBP
View
A
Retailer 5
-
$896 USD
HK$7,000 HKD
View
A
Retailer 6
-
$930 USD
View
A
Retailer 7
-
$1,170 USD
View
A
Retailer 8
-
$1,204 USD
£948 GBP
View
B+
Retailer 9
-
$1,221 USD
€1,163 EUR
View
B+
Retailer 10
-
$1,231 USD
View
B+
Retailer 11
-
$1,925 USD
View
B
Retailer 12
-
$2,119 USD
View
B
Retailer 13
-
$2,262 USD
View
B
Retailer 14
-
$3,175 USD
£2,500 GBP
View
Most Expensive
B
Rare Carat
KI6643866KF582 · Nov 1
$3,735 USD
View
14 more retailers have this diamond
Prices start from $650 USDSave up to $3,085 USD

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
$650 USD