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 $1,083 NZD

$609 USD

As of November 3, 2026

Save $8,252 NZD (88%) vs most expensive(unlock to see where)

19 retailers carry this diamond

Most expensive: $9,335 NZD 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 $1,083 to $9,335, a $8,252 spread on the same certified stone. Brilliant Earth lists it at $9,335. 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

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

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG592359592

Side View

Caratlytics Score

How it works →

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: $9,335 NZD|Low: $1,008 NZD|High: $9,335 NZD|Avg: $2,855 NZD|+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 3$1,083 NZD

Retailer 10$1,133 NZD

Retailer 9$1,307 NZD

Retailer 15$1,321 NZD

Retailer 4$1,609 NZD

Retailer 18$1,661 NZD

Retailer 14$2,003 NZD

Retailer 20$2,210 NZD

Retailer 13$2,386 NZD

Retailer 17$2,403 NZD

Retailer 12$2,484 NZD

Retailer 16$2,642 NZD

Retailer 11$3,440 NZD

Retailer 6$3,495 NZD

Retailer 8$3,796 NZD

Retailer 5$3,883 NZD

Retailer 7$3,892 NZD

Retailer 2$5,004 NZD

Retailer 19$5,263 NZD

Brilliant Earth$9,335 NZD

39 data points across 20 retailers

19 retailers$1,083 NZD to $9,335 NZD

Cheapest Retailer

$1,083 NZD

$609 USD

Final sale: no returns

Retailer 2

$1,133 NZD

$637 USD

View

Price last confirmed 18 days ago

Retailer 3

$1,307 NZD

$735 USD

View

Retailer 4

$1,321 NZD

£585 GBP

View

B+

Retailer 5

$1,609 NZD

$905 USD

View

Retailer 6

$1,661 NZD

HK$7,300 HKD

View

Retailer 7

$2,003 NZD

€1,073 EUR

View

Retailer 8

$2,210 NZD

$1,243 USD

View

Retailer 9

$2,386 NZD

ZAR 21,678 ZAR

View

Retailer 10

$2,403 NZD

A$2,079 AUD

View

Retailer 11

$2,642 NZD

$1,486 USD

View

B+

Retailer 12

$3,495 NZD

£1,548 GBP

View

B+

Retailer 13

$3,796 NZD

$2,135 USD

View

B+

Retailer 14

$3,883 NZD

$2,184 USD

View

B+

Retailer 15

$3,892 NZD

$2,189 USD

View

B+

Retailer 16

$4,547 NZD

CA$3,552 CAD

View

B+

Retailer 17

$5,004 NZD

£2,216 GBP

View

B+

Retailer 18

$5,263 NZD

$2,960 USD

View

Most Expensive

Brilliant Earth

16058137A · Oct 29

$9,335 NZD

$5,250 USD

View

18 more retailers have this diamond

Prices start from $1,083 NZDSave up to $8,252 NZD

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.

Similar diamonds

4.02ct Cushion

$1,083 NZD