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Cushion|Lab Grown|IGI

4.06ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG499125835

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG499125835

Diamond specifications and retailer prices

From HK$7,517 HKD
$958 USD
As of November 1, 2026
Save HK$34,225 HKD (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$41,741 HKD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 4.06ct lab-grown cushion diamond

This 4.06ct lab-grown cushion sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG499125835 or 499125835. Listed at 14 retailers as of November 1, 2026, with prices from HK$7,517 to HK$41,741, a HK$34,225 spread on the same certified stone. Brilliant Earth lists it at HK$41,741. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.06
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle31.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499125835
Dimensions9.29 × 8.87 × 5.65 mm
L/W Ratio1.05
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
9.29 mm8.87 mm4.06 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499125835
Side View
Table 63.5%Crown 35.5°Girdle: STK-VTKPavilion 31.6°Culet: NoneDepth 63.7%

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 1
Current: HK$41,741 HKD|Low: HK$6,834 HKD|High: HK$42,997 HKD|Avg: HK$18,301 HKD|-2.9%
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
November 3, 2026
Retailer 3HK$7,517 HKD
Retailer 10HK$7,791 HKD
Retailer 8HK$9,180 HKD
Retailer 13HK$10,404 HKD
Retailer 11HK$10,749 HKD
Retailer 9HK$12,530 HKD
Retailer 6HK$16,601 HKD
Retailer 7HK$16,697 HKD
Retailer 12HK$21,523 HKD
Retailer 4HK$24,595 HKD
Retailer 5HK$27,023 HKD
Retailer 2HK$29,206 HKD
Brilliant EarthHK$41,741 HKD

25 data points across 13 retailers

14 retailersHK$7,517 HKD to HK$41,741 HKD

A
Cheapest Retailer
-
HK$7,517 HKD
$958 USD
Final sale: no returns
Retailer 2
-
HK$7,791 HKD
$993 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
HK$9,180 HKD
$1,170 USD
View
A
Retailer 4
-
HK$10,404 HKD
$1,326 USD
View
A
Retailer 5
-
HK$10,749 HKD
$1,370 USD
View
A
Retailer 6
-
HK$12,530 HKD
$1,597 USD
View
B+
Retailer 7
-
HK$16,601 HKD
ZAR 34,181 ZAR
View
B+
Retailer 8
-
HK$16,697 HKD
A$3,274 AUD
View
B+
Retailer 9
-
HK$21,523 HKD
£2,160 GBP
View
B
Retailer 10
-
HK$24,595 HKD
$3,135 USD
View
B
Retailer 11
-
HK$26,011 HKD
View
B
Retailer 12
-
HK$27,023 HKD
$3,444 USD
View
B
Retailer 13
-
HK$29,206 HKD
£2,931 GBP
View
Most Expensive
B
Brilliant Earth
17972198A · Nov 2
HK$41,741 HKD
$5,320 USD
View
13 more retailers have this diamond
Prices start from HK$7,517 HKDSave up to HK$34,225 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$7,517 HKD