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Radiant|Lab Grown|IGI

5.37ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG597398625

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

Certificate IGI LG597398625

Diamond specifications and retailer prices

From HK$7,666 HKD
$977 USD
As of October 28, 2026
Save HK$25,602 HKD (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$33,267 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 5.37ct lab-grown radiant diamond

This 5.37ct 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 LG597398625 or 597398625. Listed at 11 retailers as of October 28, 2026, with prices from HK$7,666 to HK$33,267, a HK$25,602 spread on the same certified stone. Brilliant Earth lists it at HK$33,267. 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

5.37
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.3°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG597398625
Dimensions12.54 × 8.53 × 5.83 mm
L/W Ratio1.47
Culet sizePointed
Top View
12.54 mm8.53 mm5.37 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG597398625
Side View
Table 65.0%Crown 44.3°Girdle: MediumPavilion 36°Culet: NoneDepth 68.3%

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: Oct 28
Current: HK$33,267 HKD|Low: HK$4,464 HKD|High: HK$64,573 HKD|Avg: HK$14,717 HKD|-48.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 8HK$4,464 HKD
Retailer 3HK$4,935 HKD
Retailer 4HK$6,002 HKD
Retailer 11HK$7,666 HKD
Retailer 2HK$8,176 HKD
Retailer 7HK$8,395 HKD
Retailer 10HK$8,474 HKD
Retailer 9HK$11,204 HKD
Retailer 6HK$12,742 HKD
Retailer 5HK$20,647 HKD
Brilliant EarthHK$33,267 HKD

31 data points across 11 retailers

11 retailersHK$7,666 HKD to HK$33,267 HKD

Retailer 1
-
HK$4,464 HKD
$569 USD
Price last confirmed 36 days ago
Retailer 2
-
HK$4,872 HKD
$621 USD
View
Price last confirmed 36 days ago
Retailer 3
-
HK$6,002 HKD
$765 USD
View
Price last confirmed 6 days ago
B+
Retailer 4
-
HK$7,666 HKD
$977 USD
View
A
Retailer 5
-
HK$8,176 HKD
£820 GBP
View
Retailer 6
-
HK$8,395 HKD
€1,019 EUR
View
Price last confirmed 10 days ago
A
Retailer 7
-
HK$8,474 HKD
$1,080 USD
View
B+
Retailer 8
-
HK$11,204 HKD
$1,428 USD
View
B+
Retailer 9
-
HK$12,742 HKD
$1,624 USD
View
Retailer 10
-
HK$20,647 HKD
£2,072 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
Brilliant Earth
8406814A · Oct 30
HK$33,267 HKD
$4,240 USD
View
10 more retailers have this diamond
Prices start from HK$7,666 HKDSave up to HK$25,602 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
5.37ct Radiant
HK$7,666 HKD