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Radiant|Lab Grown|IGI

5.03ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG618479306

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

Certificate IGI LG618479306

Diamond specifications and retailer prices

From HK$3,743 HKD
$477 USD
As of November 2, 2026
Save HK$27,328 HKD (88%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$31,071 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 5.03ct lab-grown radiant diamond

This 5.03ct 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 LG618479306 or 618479306. Listed at 15 retailers as of October 31, 2026, with prices from HK$3,743 to HK$31,071, a HK$27,328 spread on the same certified stone. Brilliant Earth lists it at HK$31,071. 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

5.03
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.8°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618479306
Dimensions12.15 × 8.41 × 5.69 mm
L/W Ratio1.44
Culet sizePointed
Top View
12.15 mm8.41 mm5.03 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618479306
Side View
Table 65.0%Crown 43.8°Girdle: MediumPavilion 35.2°Culet: NoneDepth 67.7%

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$31,071 HKD|Low: HK$3,743 HKD|High: HK$31,071 HKD|Avg: HK$10,816 HKD
Brilliant Earth
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
November 2, 2026
Retailer 3HK$3,743 HKD
Retailer 12HK$4,198 HKD
Retailer 6HK$4,645 HKD
Retailer 8HK$4,645 HKD
Retailer 16HK$4,884 HKD
Retailer 7HK$7,250 HKD
Retailer 11HK$7,258 HKD
Retailer 9HK$7,497 HKD
Retailer 2HK$7,708 HKD
Retailer 5HK$8,176 HKD
Retailer 15HK$9,941 HKD
Retailer 13HK$12,483 HKD
Retailer 4HK$14,931 HKD
Retailer 10HK$17,149 HKD
Retailer 14HK$24,127 HKD
Brilliant EarthHK$31,071 HKD

36 data points across 16 retailers

15 retailersHK$3,743 HKD to HK$31,071 HKD

A
Cheapest Retailer
-
HK$3,743 HKD
$477 USD
A
Retailer 2
-
HK$4,198 HKD
$535 USD
View
A
Retailer 3
-
HK$4,645 HKD
$592 USD
View
Retailer 4
-
HK$4,645 HKD
$592 USD
View
Price last confirmed 17 days ago
B+
Retailer 5
-
HK$7,250 HKD
$924 USD
View
B+
Retailer 6
-
HK$7,258 HKD
$925 USD
View
A
Retailer 7
-
HK$7,497 HKD
€910 EUR
View
A
Retailer 8
-
HK$7,708 HKD
£774 GBP
View
A
Retailer 9
-
HK$8,176 HKD
$1,042 USD
View
B+
Retailer 10
-
HK$9,941 HKD
$1,267 USD
View
B+
Retailer 11
-
HK$12,483 HKD
$1,591 USD
View
B+
Retailer 12
-
HK$14,931 HKD
$1,903 USD
View
B
Retailer 13
-
HK$17,149 HKD
£1,721 GBP
View
B
Retailer 14
-
HK$24,127 HKD
$3,075 USD
View
Most Expensive
B
Brilliant Earth
9017152A · Oct 31
HK$31,071 HKD
$3,960 USD
View
14 more retailers have this diamond
Prices start from HK$3,743 HKDSave up to HK$27,328 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
5.03ct Radiant
HK$3,743 HKD