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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 $927 AUD
$650 USD
As of November 2, 2026
Save $4,402 AUD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,329 AUD 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 $927 to $5,329, a $4,402 spread on the same certified stone. Rare Carat lists it at $5,329. 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: $5,329 AUD|Low: $927 AUD|High: $12,742 AUD|Avg: $3,372 AUD|-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$927 AUD
Retailer 6$1,009 AUD
Retailer 14$1,076 AUD
Retailer 10$1,203 AUD
Retailer 17$1,279 AUD
Retailer 15$1,327 AUD
Retailer 16$1,669 AUD
Retailer 2$1,702 AUD
Retailer 12$1,742 AUD
Retailer 5$1,757 AUD
Retailer 13$2,747 AUD
Retailer 3$3,024 AUD
Retailer 4$3,228 AUD
Retailer 11$4,530 AUD
Rare Carat$5,329 AUD
Retailer 9$8,482 AUD
Retailer 8$12,742 AUD

8 data points across 17 retailers

15 retailers$927 AUD to $5,329 AUD

A
Cheapest Retailer
-
$927 AUD
$650 USD
A
Retailer 2
-
$1,009 AUD
$707 USD
View
A
Retailer 3
-
$1,076 AUD
$754 USD
View
A
Retailer 4
-
$1,203 AUD
£664 GBP
View
A
Retailer 5
-
$1,279 AUD
HK$7,000 HKD
View
A
Retailer 6
-
$1,327 AUD
$930 USD
View
A
Retailer 7
-
$1,669 AUD
$1,170 USD
View
A
Retailer 8
-
$1,702 AUD
£939 GBP
View
B+
Retailer 9
-
$1,742 AUD
€1,163 EUR
View
B+
Retailer 10
-
$1,757 AUD
$1,231 USD
View
B+
Retailer 11
-
$2,747 AUD
$1,925 USD
View
B
Retailer 12
-
$3,024 AUD
$2,119 USD
View
B
Retailer 13
-
$3,228 AUD
$2,262 USD
View
B
Retailer 14
-
$4,530 AUD
£2,500 GBP
View
Most Expensive
B
Rare Carat
KI6643866KF582 · Nov 1
$5,329 AUD
$3,735 USD
View
14 more retailers have this diamond
Prices start from $927 AUDSave up to $4,402 AUD

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
$927 AUD