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Radiant|Lab Grown|IGI

3.09ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG754564236

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

Certificate IGI LG754564236

Diamond specifications and retailer prices

From HK$2,673 HKD
As of November 6, 2026
Save HK$21,388 HKD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$24,061 HKD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 3.09ct lab-grown radiant diamond

This 3.09ct lab-grown radiant sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG754564236 or 754564236. Listed at 17 retailers as of November 6, 2026, with prices from HK$2,673 to HK$24,061, a HK$21,388 spread on the same certified stone. Brilliant Earth lists it at HK$24,061. 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

3.09
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754564236
Dimensions10.57 × 7.25 × 4.84 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.57 mm7.25 mm3.09 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754564236
Side View
Table 65.0%Crown 37.8°Girdle: MediumPavilion 35.6°Culet: NoneDepth 66.8%

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 6
Current: HK$24,061 HKD|Low: HK$2,633 HKD|High: HK$24,609 HKD|Avg: HK$7,509 HKD|-1.6%
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
Retailer 17
Retailer 18
November 7, 2026
Retailer 18HK$2,673 HKD
Retailer 5HK$2,986 HKD
Retailer 15HK$3,096 HKD
Retailer 14HK$3,307 HKD
Retailer 17HK$3,307 HKD
Retailer 3HK$4,068 HKD
Retailer 7HK$4,452 HKD
Retailer 12HK$4,507 HKD
Retailer 6HK$5,808 HKD
Retailer 11HK$5,808 HKD
Retailer 2HK$5,878 HKD
Retailer 9HK$8,135 HKD
Retailer 4HK$9,703 HKD
Retailer 16HK$10,635 HKD
Retailer 10HK$10,972 HKD
Retailer 8HK$12,869 HKD
Retailer 13HK$13,253 HKD
Brilliant EarthHK$24,061 HKD

42 data points across 18 retailers

17 retailersHK$2,673 HKD to HK$24,061 HKD

A
Cheapest Retailer
-
HK$2,673 HKD
A
Retailer 2
-
HK$2,986 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$3,096 HKD
View
A
Retailer 4
-
HK$3,307 HKD
View
Retailer 5
-
HK$3,307 HKD
View
Price last confirmed 13 days ago
B+
Retailer 6
-
HK$4,452 HKD
View
A
Retailer 7
-
HK$4,507 HKD
View
A
Retailer 8
-
HK$5,808 HKD
View
A
Retailer 9
-
HK$5,808 HKD
View
A
Retailer 10
-
HK$5,878 HKD
View
A
Retailer 11
-
HK$8,135 HKD
View
B+
Retailer 12
-
HK$9,703 HKD
View
B+
Retailer 13
-
HK$10,635 HKD
View
B+
Retailer 14
-
HK$10,972 HKD
View
B+
Retailer 15
-
HK$12,869 HKD
View
B+
Retailer 16
-
HK$13,253 HKD
View
Most Expensive
B
Brilliant Earth
18587410A · Nov 6
HK$24,061 HKD
$3,070 USD
View
16 more retailers have this diamond
Prices start from HK$2,673 HKDSave up to HK$21,388 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
3.09ct Radiant
HK$2,673 HKD