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Cushion|Lab Grown|IGI

4.06ct F SI1 Cushion Lab Grown Diamond

GD • F/SI1 • IGI LG839637112

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG839637112

Diamond specifications and retailer prices

From HK$4,144 HKD
£416 GBP
As of November 2, 2026
Save HK$15,915 HKD (79%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$20,059 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 4.06ct lab-grown cushion diamond

This 4.06ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG839637112 or 839637112. Listed at 5 retailers as of November 1, 2026, with prices from HK$4,144 to HK$20,059, a HK$15,915 spread on the same certified stone. MOH London lists it at HK$20,059. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.06
Carat
F
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839637112
Dimensions11.78 × 8.03 × 5.44 mm
L/W Ratio1.47
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.78 mm8.03 mm4.06 ctF / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839637112
Side View
Table 63.0%Crown 35.6°Girdle: MED-STKPavilion 35.4°Culet: NoneDepth 67.7%

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$20,059 HKD|Low: HK$4,135 HKD|High: HK$20,158 HKD|Avg: HK$10,800 HKD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 2HK$4,144 HKD
Retailer 3HK$7,324 HKD
Retailer 5HK$8,019 HKD
Retailer 4HK$16,791 HKD
MOH LondonHK$20,059 HKD

30 data points across 5 retailers

5 retailersHK$4,144 HKD to HK$20,059 HKD

A
Cheapest Retailer
-
HK$4,144 HKD
£416 GBP
B+
Retailer 2
-
HK$7,324 HKD
€889 EUR
View
B+
Retailer 3
-
HK$8,019 HKD
$1,022 USD
View
B
Retailer 4
-
HK$16,791 HKD
$2,140 USD
View
Most Expensive
B
MOH London
LG839637112 · Nov 1
HK$20,059 HKD
£2,013 GBP
View
4 more retailers have this diamond
Prices start from HK$4,144 HKDSave up to HK$15,915 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
4.06ct Cushion
HK$4,144 HKD