Cushion|Lab Grown|IGI

12.72ct H VS1 Cushion Lab Grown Diamond

EX • H/VS1 • IGI LG605389037

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG605389037

Diamond specifications and retailer prices

From $6,515 NZD

$3,672 USD

As of November 1, 2026

Save $17,615 NZD (73%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: $24,130 NZD at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 12.72ct lab-grown cushion diamond

This 12.72ct lab-grown cushion sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG605389037 or 605389037. Listed at 14 retailers as of October 31, 2026, with prices from $6,515 to $24,130, a $17,615 spread on the same certified stone. Brilliant Earth lists it at $24,130. 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

12.72

Carat

Colour

VS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34°

Pavilion angle30.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG605389037

Dimensions13.49 × 12.81 × 7.99 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

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG605389037

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 1

Current: $24,130 NZD|Low: $6,515 NZD|High: $31,494 NZD|Avg: $12,086 NZD|-23.4%

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 1, 2026

Retailer 3$6,515 NZD

Retailer 12$6,749 NZD

Retailer 13$7,372 NZD

Retailer 10$8,511 NZD

Retailer 9$8,517 NZD

Retailer 4$10,302 NZD

Retailer 7$10,445 NZD

Retailer 11$10,475 NZD

Retailer 6$10,768 NZD

Retailer 2$12,562 NZD

Retailer 8$14,223 NZD

Retailer 5$18,723 NZD

Brilliant Earth$24,130 NZD

34 data points across 13 retailers

14 retailers$6,515 NZD to $24,130 NZD

Cheapest Retailer

$6,515 NZD

$3,672 USD

Final sale: no returns

Retailer 2

$6,749 NZD

$3,804 USD

View

Price last confirmed 20 days ago

Retailer 3

$7,372 NZD

$4,155 USD

View

Retailer 4

$8,511 NZD

$4,797 USD

View

Retailer 5

$8,517 NZD

$4,800 USD

View

Retailer 6

$10,302 NZD

£4,572 GBP

View

Retailer 7

$10,445 NZD

ZAR 95,106 ZAR

View

Retailer 8

$10,475 NZD

$5,904 USD

View

Retailer 9

$10,768 NZD

€5,780 EUR

View

B+

Retailer 10

$12,562 NZD

A$10,892 AUD

View

B+

Retailer 11

$14,223 NZD

$8,016 USD

View

Retailer 12

$18,723 NZD

$10,552 USD

View

Retailer 13

$23,636 NZD

$13,321 USD

View

Most Expensive

Brilliant Earth

20602204A · Oct 31

$24,130 NZD

$13,600 USD

View

13 more retailers have this diamond

Prices start from $6,515 NZDSave up to $17,615 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.

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