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Cushion|Lab Grown|IGI

3.06ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG522237342

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG522237342

Diamond specifications and retailer prices

From HK$4,945 HKD
As of November 6, 2026
Save HK$19,429 HKD (80%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$24,374 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 LG522237342 or 522237342. Listed at 9 retailers as of November 6, 2026, with prices from HK$4,945 to HK$24,374, a HK$19,429 spread on the same certified stone. Brilliant Earth lists it at HK$24,374. 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 angle35.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG522237342
Dimensions8.50 × 8.34 × 5.57 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Top View
8.50 mm8.34 mm3.06 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG522237342
Side View
Table 63.5%Crown 35.3°Girdle: STK-VTKPavilion 41.1°Culet: NoneDepth 66.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: HK$24,374 HKD|Low: HK$4,945 HKD|High: HK$26,804 HKD|Avg: HK$11,594 HKD|-9.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 8HK$4,945 HKD
Retailer 6HK$5,478 HKD
Retailer 3HK$6,505 HKD
Retailer 7HK$7,649 HKD
Retailer 5HK$8,441 HKD
Retailer 2HK$8,464 HKD
Retailer 4HK$23,787 HKD
Brilliant EarthHK$24,374 HKD

42 data points across 8 retailers

9 retailersHK$4,945 HKD to HK$24,374 HKD

A
Cheapest Retailer
-
HK$4,945 HKD
Final sale: no returns
Retailer 2
-
HK$5,478 HKD
View
Price last confirmed 22 days ago
A
Retailer 3
-
HK$6,505 HKD
View
A
Retailer 4
-
HK$7,649 HKD
View
A
Retailer 5
-
HK$8,441 HKD
View
A
Retailer 6
-
HK$8,464 HKD
View
B
Retailer 7
-
HK$17,250 HKD
View
B
Retailer 8
-
HK$23,787 HKD
View
Most Expensive
B
Brilliant Earth
17972593A · Nov 6
HK$24,374 HKD
$3,110 USD
View
8 more retailers have this diamond
Prices start from HK$4,945 HKDSave up to HK$19,429 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$4,945 HKD