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Cushion|Lab Grown|IGI

3.08ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG653444806

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG653444806

Diamond specifications and retailer prices

From HK$3,605 HKD
As of November 6, 2026
Save HK$11,834 HKD (77%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$15,440 HKD at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 3.08ct lab-grown cushion diamond

This 3.08ct lab-grown cushion 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 LG653444806 or 653444806. Listed at 10 retailers as of November 1, 2026, with prices from HK$3,605 to HK$15,440, a HK$11,834 spread on the same certified stone. Rare Carat lists it at HK$15,440. 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

3.08
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG653444806
Dimensions8.63 × 8.48 × 5.61 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.63 mm8.48 mm3.08 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG653444806
Side View
Table 65.0%Crown 36°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 66.2%

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$15,440 HKD|Low: HK$3,605 HKD|High: HK$39,265 HKD|Avg: HK$11,873 HKD
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 10HK$3,605 HKD
Retailer 5HK$3,974 HKD
Retailer 8HK$4,467 HKD
Retailer 12HK$5,275 HKD
Retailer 2HK$5,298 HKD
Retailer 9HK$5,768 HKD
Retailer 6HK$5,800 HKD
Retailer 11HK$8,073 HKD
Retailer 7HK$13,065 HKD
Rare CaratHK$15,440 HKD
Retailer 3HK$30,456 HKD
Retailer 4HK$39,265 HKD

10 data points across 12 retailers

10 retailersHK$3,605 HKD to HK$15,440 HKD

A
Cheapest Retailer
-
HK$3,605 HKD
A
Retailer 2
-
HK$3,974 HKD
View
A
Retailer 3
-
HK$4,467 HKD
View
B+
Retailer 4
-
HK$5,275 HKD
View
A
Retailer 5
-
HK$5,298 HKD
View
A
Retailer 6
-
HK$5,768 HKD
View
A
Retailer 7
-
HK$5,800 HKD
View
A
Retailer 8
-
HK$8,073 HKD
View
B+
Retailer 9
-
HK$13,065 HKD
View
Most Expensive
B
Rare Carat
KI8064448KF653 · Nov 1
HK$15,440 HKD
$1,970 USD
View
9 more retailers have this diamond
Prices start from HK$3,605 HKDSave up to HK$11,834 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
3.08ct Cushion
HK$3,605 HKD