Cushion|Lab Grown|IGI

5.12ct E VVS1 Cushion Lab Grown Diamond

EX • E/VVS1 • IGI LG764635598

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG764635598

Diamond specifications and retailer prices

From $4,076 NZD

$2,289 USD

As of October 29, 2026

Save $19,641 NZD (83%) vs most expensive(unlock to see where)

16 retailers carry this diamond

Most expensive: $23,716 NZD at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 5.12ct lab-grown cushion diamond

This 5.12ct lab-grown cushion sits in the over five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG764635598 or 764635598. Listed at 16 retailers as of October 29, 2026, with prices from $4,076 to $23,716, a $19,641 spread on the same certified stone. Brilliant Earth lists it at $23,716. 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

5.12

Carat

Colour

VVS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33.9°

Pavilion angle39.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG764635598

Dimensions9.89 × 9.74 × 6.53 mm

L/W Ratio1.02

Girdle conditionFaceted

Culet sizePointed

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG764635598

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29

Current: $23,716 NZD|Low: $4,076 NZD|High: $23,716 NZD|Avg: $8,296 NZD

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

October 30, 2026

Retailer 14$4,076 NZD

Retailer 3$4,223 NZD

Retailer 10$4,445 NZD

Retailer 11$4,522 NZD

Retailer 5$4,597 NZD

Retailer 2$5,811 NZD

Retailer 4$6,607 NZD

Retailer 6$8,005 NZD

Retailer 9$8,573 NZD

Retailer 7$8,581 NZD

Retailer 13$11,379 NZD

Retailer 12$12,021 NZD

Retailer 8$12,127 NZD

Brilliant Earth$23,716 NZD

43 data points across 14 retailers

16 retailers$4,076 NZD to $23,716 NZD

Cheapest Retailer

$4,076 NZD

$2,289 USD

Final sale: no returns

Retailer 2

$4,223 NZD

$2,372 USD

View

Price last confirmed 19 days ago

Retailer 3

$4,445 NZD

£1,966 GBP

View

Price last confirmed 13 days ago

Retailer 4

$4,522 NZD

$2,540 USD

View

Retailer 5

$4,597 NZD

$2,582 USD

View

B+

Retailer 6

$5,811 NZD

£2,570 GBP

View

B+

Retailer 7

$6,607 NZD

$3,711 USD

View

B+

Retailer 8

$6,956 NZD

$3,907 USD

View

B+

Retailer 9

$8,005 NZD

£3,540 GBP

View

Retailer 10

$8,573 NZD

A$7,408 AUD

View

Price last confirmed 7 days ago

B+

Retailer 11

$8,581 NZD

ZAR 77,862 ZAR

View

Retailer 12

$11,379 NZD

$6,391 USD

View

Retailer 13

$12,021 NZD

$6,751 USD

View

Retailer 14

$12,127 NZD

£5,363 GBP

View

Retailer 15

$14,775 NZD

$8,299 USD

View

Most Expensive

Brilliant Earth

17968550A · Oct 29

$23,716 NZD

$13,320 USD

View

15 more retailers have this diamond

Prices start from $4,076 NZDSave up to $19,641 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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