CaratHunter
Plans
Radiant|Lab Grown|IGI

5.05ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG618466739

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

Certificate IGI LG618466739

Diamond specifications and retailer prices

From HK$3,758 HKD
$479 USD
As of November 2, 2026
Save HK$27,469 HKD (88%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$31,227 HKD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 5.05ct lab-grown radiant diamond

This 5.05ct 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 LG618466739 or 618466739. Listed at 15 retailers as of November 2, 2026, with prices from HK$3,758 to HK$31,227, a HK$27,469 spread on the same certified stone. Brilliant Earth lists it at HK$31,227. 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

5.05
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.8°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618466739
Dimensions11.94 × 8.44 × 5.75 mm
L/W Ratio1.41
Culet sizePointed
Top View
11.94 mm8.44 mm5.05 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618466739
Side View
Table 65.0%Crown 42.8°Girdle: MediumPavilion 35°Culet: NoneDepth 68.1%

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$31,227 HKD|Low: HK$3,758 HKD|High: HK$31,227 HKD|Avg: HK$10,859 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$3,758 HKD
Retailer 12HK$4,213 HKD
Retailer 6HK$4,661 HKD
Retailer 8HK$4,661 HKD
Retailer 16HK$4,902 HKD
Retailer 11HK$5,767 HKD
Retailer 7HK$7,265 HKD
Retailer 10HK$7,522 HKD
Retailer 2HK$7,739 HKD
Retailer 5HK$8,199 HKD
Retailer 15HK$10,019 HKD
Retailer 13HK$12,530 HKD
Retailer 4HK$14,986 HKD
Retailer 9HK$17,119 HKD
Retailer 14HK$24,244 HKD
Brilliant EarthHK$31,227 HKD

37 data points across 16 retailers

15 retailersHK$3,758 HKD to HK$31,227 HKD

A
Cheapest Retailer
-
HK$3,758 HKD
$479 USD
A
Retailer 2
-
HK$4,213 HKD
$537 USD
View
A
Retailer 3
-
HK$4,661 HKD
$594 USD
View
Retailer 4
-
HK$4,661 HKD
$594 USD
View
Price last confirmed 17 days ago
A
Retailer 5
-
HK$5,767 HKD
$735 USD
View
B+
Retailer 6
-
HK$7,265 HKD
$926 USD
View
A
Retailer 7
-
HK$7,522 HKD
€913 EUR
View
A
Retailer 8
-
HK$7,739 HKD
£777 GBP
View
A
Retailer 9
-
HK$8,199 HKD
$1,045 USD
View
B+
Retailer 10
-
HK$10,019 HKD
$1,277 USD
View
B+
Retailer 11
-
HK$12,530 HKD
$1,597 USD
View
B+
Retailer 12
-
HK$14,986 HKD
$1,910 USD
View
B
Retailer 13
-
HK$17,119 HKD
£1,718 GBP
View
B
Retailer 14
-
HK$24,244 HKD
$3,090 USD
View
Most Expensive
B
Brilliant Earth
9039898A · Nov 2
HK$31,227 HKD
$3,980 USD
View
14 more retailers have this diamond
Prices start from HK$3,758 HKDSave up to HK$27,469 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
5.05ct Radiant
HK$3,758 HKD