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Cushion|Lab Grown|IGI

3.06ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG602313365

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG602313365

Diamond specifications and retailer prices

From HK$3,205 HKD
As of November 6, 2026
Save HK$16,937 HKD (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$20,142 HKD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 3.06ct lab-grown cushion diamond

This 3.06ct 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 LG602313365 or 602313365. Listed at 12 retailers as of November 6, 2026, with prices from HK$3,205 to HK$20,142, a HK$16,937 spread on the same certified stone. Brilliant Earth lists it at HK$20,142. 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

3.06
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG602313365
Dimensions8.37 × 7.84 × 5.29 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.37 mm7.84 mm3.06 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG602313365
Side View
Table 61.0%Crown 34.7°Girdle: MED-THKPavilion 33.5°Culet: NoneDepth 67.5%

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$20,142 HKD|Low: HK$3,205 HKD|High: HK$23,434 HKD|Avg: HK$8,916 HKD|-13.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 11HK$3,205 HKD
Retailer 8HK$3,550 HKD
Retailer 7HK$5,604 HKD
Retailer 10HK$5,674 HKD
Retailer 2HK$5,909 HKD
Retailer 3HK$6,019 HKD
Retailer 4HK$6,333 HKD
Retailer 6HK$9,248 HKD
Retailer 5HK$13,833 HKD
Retailer 9HK$15,518 HKD
Brilliant EarthHK$20,142 HKD

43 data points across 11 retailers

12 retailersHK$3,205 HKD to HK$20,142 HKD

A
Cheapest Retailer
-
HK$3,205 HKD
Final sale: no returns
Retailer 2
-
HK$3,550 HKD
View
Price last confirmed 13 days ago
A
Retailer 3
-
HK$5,604 HKD
View
B+
Retailer 4
-
HK$5,674 HKD
View
A
Retailer 5
-
HK$5,909 HKD
View
Retailer 6
-
HK$6,019 HKD
View
Price last confirmed 9 days ago
A
Retailer 7
-
HK$6,333 HKD
View
A
Retailer 8
-
HK$8,065 HKD
View
B+
Retailer 9
-
HK$9,248 HKD
View
B+
Retailer 10
-
HK$13,833 HKD
View
Retailer 11
-
HK$15,518 HKD
View
Price last confirmed 33 days ago
Most Expensive
B
Brilliant Earth
8559581A · Nov 6
HK$20,142 HKD
$2,570 USD
View
11 more retailers have this diamond
Prices start from HK$3,205 HKDSave up to HK$16,937 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
3.06ct Cushion
HK$3,205 HKD