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Cushion|Lab Grown|IGI

4.02ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG592359592

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG592359592

Diamond specifications and retailer prices

From HK$4,778 HKD
$609 USD
As of November 3, 2026
Save HK$36,413 HKD (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$41,192 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.02ct lab-grown cushion diamond

This 4.02ct 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 LG592359592 or 592359592. Listed at 19 retailers as of October 29, 2026, with prices from HK$4,778 to HK$41,192, a HK$36,413 spread on the same certified stone. Brilliant Earth lists it at HK$41,192. 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

4.02
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG592359592
Dimensions9.60 × 9.19 × 6.10 mm
L/W Ratio1.04
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
9.60 mm9.19 mm4.02 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG592359592
Side View
Table 62.0%Crown 33°Girdle: THN-MEDPavilion 40.5°Culet: NoneDepth 66.4%

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 3
Current: HK$41,192 HKD|Low: HK$4,449 HKD|High: HK$41,192 HKD|Avg: HK$12,599 HKD|+0.2%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 3, 2026
Retailer 3HK$4,778 HKD
Retailer 10HK$4,998 HKD
Retailer 9HK$5,767 HKD
Retailer 15HK$5,830 HKD
Retailer 4HK$7,101 HKD
Retailer 18HK$7,331 HKD
Retailer 14HK$8,840 HKD
Retailer 20HK$9,753 HKD
Retailer 13HK$10,528 HKD
Retailer 17HK$10,603 HKD
Retailer 12HK$10,964 HKD
Retailer 16HK$11,659 HKD
Retailer 11HK$15,182 HKD
Retailer 6HK$15,425 HKD
Retailer 8HK$16,751 HKD
Retailer 5HK$17,136 HKD
Retailer 7HK$17,173 HKD
Retailer 2HK$22,081 HKD
Retailer 19HK$23,224 HKD
Brilliant EarthHK$41,192 HKD

39 data points across 20 retailers

19 retailersHK$4,778 HKD to HK$41,192 HKD

A
Cheapest Retailer
-
HK$4,778 HKD
$609 USD
Final sale: no returns
Retailer 2
-
HK$4,998 HKD
$637 USD
View
Price last confirmed 18 days ago
A
Retailer 3
-
HK$5,767 HKD
$735 USD
View
A
Retailer 4
-
HK$5,830 HKD
£585 GBP
View
B+
Retailer 5
-
HK$7,101 HKD
$905 USD
View
A
Retailer 6
-
HK$7,331 HKD
View
A
Retailer 7
-
HK$8,840 HKD
€1,073 EUR
View
A
Retailer 8
-
HK$9,753 HKD
$1,243 USD
View
A
Retailer 9
-
HK$10,528 HKD
ZAR 21,678 ZAR
View
A
Retailer 10
-
HK$10,603 HKD
A$2,079 AUD
View
A
Retailer 11
-
HK$11,659 HKD
$1,486 USD
View
B+
Retailer 12
-
HK$15,425 HKD
£1,548 GBP
View
B+
Retailer 13
-
HK$16,751 HKD
$2,135 USD
View
B+
Retailer 14
-
HK$17,136 HKD
$2,184 USD
View
B+
Retailer 15
-
HK$17,173 HKD
$2,189 USD
View
B+
Retailer 16
-
HK$20,065 HKD
CA$3,552 CAD
View
B+
Retailer 17
-
HK$22,081 HKD
£2,216 GBP
View
B+
Retailer 18
-
HK$23,224 HKD
$2,960 USD
View
Most Expensive
B
Brilliant Earth
16058137A · Oct 29
HK$41,192 HKD
$5,250 USD
View
18 more retailers have this diamond
Prices start from HK$4,778 HKDSave up to HK$36,413 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
4.02ct Cushion
HK$4,778 HKD