Radiant|Lab Grown|IGI

4.08ct F SI2 Radiant Lab Grown Diamond

ID • F/SI2 • IGI LG800664978

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

Certificate IGI LG800664978

Diamond specifications and retailer prices

From HK$5,822 HKD
$742 USD
As of November 2, 2026
Save HK$20,724 HKD (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$26,546 HKD at MOH London · As of October 26, 2026
View at MOH London

About this 4.08ct lab-grown radiant diamond

This 4.08ct lab-grown radiant sits in the three to five carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG800664978 or 800664978. Listed at 11 retailers as of October 26, 2026, with prices from HK$5,822 to HK$26,546, a HK$20,724 spread on the same certified stone. MOH London lists it at HK$26,546. 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

4.08
Carat
F
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.2°
Pavilion angle31.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800664978
Dimensions11.02 × 7.68 × 5.19 mm
L/W Ratio1.43
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.02 mm7.68 mm4.08 ctF / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800664978
Side View
Table 69.0%Crown 44.2°Girdle: Slightly ThickPavilion 31.7°Culet: NoneDepth 67.6%

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$26,546 HKD|Low: HK$5,586 HKD|High: HK$68,889 HKD|Avg: HK$14,703 HKD|-6.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 6HK$5,822 HKD
Retailer 10HK$6,332 HKD
Retailer 7HK$6,748 HKD
Retailer 11HK$6,748 HKD
Retailer 3HK$9,423 HKD
Retailer 2HK$10,838 HKD
Retailer 9HK$10,930 HKD
Retailer 5HK$16,626 HKD
Retailer 8HK$18,980 HKD
Retailer 4HK$25,186 HKD
MOH LondonHK$26,546 HKD

43 data points across 11 retailers

11 retailersHK$5,822 HKD to HK$26,546 HKD

A
Cheapest Retailer
-
HK$5,822 HKD
$742 USD
A
Retailer 2
-
HK$6,332 HKD
$807 USD
View
A
Retailer 3
-
HK$6,748 HKD
$860 USD
View
Retailer 4
-
HK$6,748 HKD
$860 USD
View
Price last confirmed 21 days ago
B+
Retailer 5
-
HK$9,423 HKD
$1,201 USD
View
B+
Retailer 6
-
HK$10,838 HKD
£1,088 GBP
View
B+
Retailer 7
-
HK$10,930 HKD
$1,393 USD
View
B
Retailer 8
-
HK$16,626 HKD
$2,119 USD
View
B
Retailer 9
-
HK$18,980 HKD
$2,419 USD
View
B
Retailer 10
-
HK$25,186 HKD
$3,210 USD
View
Most Expensive
B
MOH London
LG800664978 · Oct 26
HK$26,546 HKD
£2,664 GBP
View
10 more retailers have this diamond
Prices start from HK$5,822 HKDSave up to HK$20,724 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
4.08ct Radiant
HK$5,822 HKD