Cushion|Lab Grown|IGI

10.63ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG600309118

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG600309118

Diamond specifications and retailer prices

From $3,577 NZD

$2,016 USD

As of November 1, 2026

Save $12,782 NZD (78%) vs most expensive(unlock to see where)

16 retailers carry this diamond

Most expensive: $16,359 NZD at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 10.63ct lab-grown cushion diamond

This 10.63ct lab-grown cushion sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG600309118 or 600309118. Listed at 16 retailers as of October 31, 2026, with prices from $3,577 to $16,359, a $12,782 spread on the same certified stone. Brilliant Earth lists it at $16,359. 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

10.63

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle39.5°

Pavilion angle30.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG600309118

Dimensions12.49 × 12.22 × 7.66 mm

L/W Ratio1.02

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 LG600309118

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: $16,359 NZD|Low: $3,577 NZD|High: $16,874 NZD|Avg: $6,567 NZD|-3.0%

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 2, 2026

Retailer 3$3,577 NZD

Retailer 12$3,707 NZD

Retailer 11$4,001 NZD

Retailer 13$4,704 NZD

Retailer 2$5,257 NZD

Retailer 9$5,273 NZD

Retailer 7$5,552 NZD

Retailer 10$5,658 NZD

Retailer 8$5,738 NZD

Retailer 6$6,867 NZD

Retailer 4$7,679 NZD

Retailer 5$9,129 NZD

Brilliant Earth$16,359 NZD

43 data points across 13 retailers

16 retailers$3,577 NZD to $16,359 NZD

Cheapest Retailer

$3,577 NZD

$2,016 USD

Final sale: no returns

Retailer 2

$3,707 NZD

$2,089 USD

View

Price last confirmed 20 days ago

Retailer 3

$4,001 NZD

$2,255 USD

View

Retailer 4

$4,704 NZD

$2,651 USD

View

Retailer 5

$5,257 NZD

£2,333 GBP

View

B+

Retailer 6

$5,273 NZD

$2,972 USD

View

Retailer 7

$5,552 NZD

€2,980 EUR

View

Retailer 8

$5,658 NZD

$3,189 USD

View

Retailer 9

$5,738 NZD

ZAR 52,243 ZAR

View

Retailer 10

$6,867 NZD

A$5,954 AUD

View

Retailer 11

$7,679 NZD

£3,408 GBP

View

B+

Retailer 12

$9,129 NZD

$5,145 USD

View

B+

Retailer 13

$10,662 NZD

$6,009 USD

View

B+

Retailer 14

$11,822 NZD

$6,663 USD

View

Retailer 15

$12,992 NZD

$7,322 USD

View

Most Expensive

Brilliant Earth

10792660A · Oct 31

$16,359 NZD

$9,220 USD

View

15 more retailers have this diamond

Prices start from $3,577 NZDSave up to $12,782 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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