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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 HK$5,100 HKD
$650 USD
As of November 2, 2026
Save HK$24,205 HKD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$29,305 HKD 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 HK$5,100 to HK$29,305, a HK$24,205 spread on the same certified stone. Rare Carat lists it at HK$29,305. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: HK$29,305 HKD|Low: HK$5,100 HKD|High: HK$70,066 HKD|Avg: HK$18,540 HKD|-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 7HK$5,100 HKD
Retailer 6HK$5,547 HKD
Retailer 14HK$5,916 HKD
Retailer 10HK$6,613 HKD
Retailer 17HK$7,030 HKD
Retailer 15HK$7,297 HKD
Retailer 16HK$9,180 HKD
Retailer 2HK$9,357 HKD
Retailer 12HK$9,581 HKD
Retailer 5HK$9,659 HKD
Retailer 13HK$15,104 HKD
Retailer 3HK$16,626 HKD
Retailer 4HK$17,748 HKD
Retailer 11HK$24,911 HKD
Rare CaratHK$29,305 HKD
Retailer 9HK$46,637 HKD
Retailer 8HK$70,066 HKD

8 data points across 17 retailers

15 retailersHK$5,100 HKD to HK$29,305 HKD

A
Cheapest Retailer
-
HK$5,100 HKD
$650 USD
A
Retailer 2
-
HK$5,547 HKD
$707 USD
View
A
Retailer 3
-
HK$5,916 HKD
$754 USD
View
A
Retailer 4
-
HK$6,613 HKD
£664 GBP
View
A
Retailer 5
-
HK$7,030 HKD
View
A
Retailer 6
-
HK$7,297 HKD
$930 USD
View
A
Retailer 7
-
HK$9,180 HKD
$1,170 USD
View
A
Retailer 8
-
HK$9,357 HKD
£939 GBP
View
B+
Retailer 9
-
HK$9,581 HKD
€1,163 EUR
View
B+
Retailer 10
-
HK$9,659 HKD
$1,231 USD
View
B+
Retailer 11
-
HK$15,104 HKD
$1,925 USD
View
B
Retailer 12
-
HK$16,626 HKD
$2,119 USD
View
B
Retailer 13
-
HK$17,748 HKD
$2,262 USD
View
B
Retailer 14
-
HK$24,911 HKD
£2,500 GBP
View
Most Expensive
B
Rare Carat
KI6643866KF582 · Nov 1
HK$29,305 HKD
$3,735 USD
View
14 more retailers have this diamond
Prices start from HK$5,100 HKDSave up to HK$24,205 HKD

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
HK$5,100 HKD