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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 $609 USD
As of November 1, 2026
Save $4,641 USD (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,250 USD 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 $609 to $5,250, a $4,641 spread on the same certified stone. Brilliant Earth lists it at $5,250. 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
Color
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 1
Current: $5,250 USD|Low: $567 USD|High: $5,250 USD|Avg: $1,655 USD|+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 1, 2026
Retailer 3$609 USD
Retailer 10$637 USD
Retailer 9$735 USD
Retailer 2$743 USD
Retailer 4$905 USD
Retailer 17$934 USD
Retailer 13$1,065 USD
Retailer 20$1,243 USD
Retailer 18$1,342 USD
Retailer 15$1,351 USD
Retailer 12$1,397 USD
Retailer 14$1,486 USD
Retailer 11$1,935 USD
Retailer 6$1,966 USD
Retailer 8$2,135 USD
Retailer 5$2,184 USD
Retailer 7$2,189 USD
Retailer 16$2,830 USD
Retailer 19$2,960 USD
Brilliant Earth$5,250 USD

38 data points across 20 retailers

19 retailers$609 USD to $5,250 USD

A
Cheapest Retailer
-
$609 USD
Final sale: no returns
Retailer 2
-
$637 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
$735 USD
View
A
Retailer 4
-
$743 USD
£585 GBP
View
B+
Retailer 5
-
$905 USD
View
A
Retailer 6
-
$934 USD
HK$7,300 HKD
View
A
Retailer 7
-
$1,065 USD
€1,014 EUR
View
A
Retailer 8
-
$1,243 USD
View
A
Retailer 9
-
$1,342 USD
ZAR 21,677 ZAR
View
A
Retailer 10
-
$1,351 USD
A$2,079 AUD
View
A
Retailer 11
-
$1,486 USD
View
B+
Retailer 12
-
$1,966 USD
£1,548 GBP
View
B+
Retailer 13
-
$2,135 USD
View
B+
Retailer 14
-
$2,184 USD
View
B+
Retailer 15
-
$2,189 USD
View
B+
Retailer 16
-
$2,557 USD
CA$3,552 CAD
View
B
Retailer 17
-
$2,830 USD
£2,228 GBP
View
B+
Retailer 18
-
$2,960 USD
View
Most Expensive
B
Brilliant Earth
16058137A · Oct 29
$5,250 USD
View
18 more retailers have this diamond
Prices start from $609 USDSave up to $4,641 USD

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
$609 USD