Cushion|Lab Grown|IGI

6.57ct F VS1 Cushion Lab Grown Diamond

VG • F/VS1 • IGI LG794642683

Shape and cutting style on the report: Cut cornered square mixed cut

Certificate IGI LG794642683

Diamond specifications and retailer prices

From $2,572 NZD

$1,447 USD

As of October 31, 2026

Save $9,247 NZD (78%) vs most expensive(unlock to see where)

29 retailers carry this diamond

Most expensive: $11,819 NZD at Brilliant Earth · As of November 2, 2026

View at Brilliant Earth

About this 6.57ct lab-grown cushion diamond

This 6.57ct lab-grown cushion sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG794642683 or 794642683. Listed at 29 retailers as of October 31, 2026, with prices from $2,572 to $11,819, a $9,247 spread on the same certified stone. Brilliant Earth lists it at $11,819. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

6.57

Carat

Colour

VS1

Clarity

Very Good

Cut

Specifications

CutVery Good

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle43°

Pavilion angle31.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG794642683

Dimensions10.28 × 9.92 × 6.81 mm

L/W Ratio1.04

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

CutVery Good

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG794642683

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: Oct 31

Current: $11,819 NZD|Low: $1,967 NZD|High: $11,819 NZD|Avg: $5,958 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

Retailer 15

Retailer 16

Retailer 17

Retailer 18

November 2, 2026

Retailer 13$2,645 NZD

Retailer 8$2,716 NZD

Retailer 9$2,716 NZD

Retailer 5$3,048 NZD

Retailer 14$3,866 NZD

Retailer 3$4,335 NZD

Retailer 15$4,520 NZD

Retailer 2$4,800 NZD

Retailer 18$5,076 NZD

Retailer 11$5,369 NZD

Retailer 7$6,609 NZD

Retailer 12$7,777 NZD

Retailer 17$7,866 NZD

Retailer 4$8,133 NZD

Retailer 16$8,821 NZD

Retailer 6$9,633 NZD

Retailer 10$10,246 NZD

Brilliant Earth$11,819 NZD

39 data points across 18 retailers

29 retailers$2,572 NZD to $11,819 NZD

Retailer 1

$2,247 NZD

$1,264 USD

Price last confirmed 31 days ago

Retailer 2

$2,341 NZD

$1,317 USD

View

Price last confirmed 40 days ago

Retailer 3

$2,547 NZD

$1,433 USD

View

Price last confirmed 40 days ago

Retailer 4

$2,547 NZD

$1,433 USD

View

Price last confirmed 20 days ago

Retailer 5

$2,572 NZD

$1,447 USD

View

Retailer 6

$2,645 NZD

$1,488 USD

View

Final sale: no returns

Retailer 7

$2,678 NZD

$1,507 USD

View

Price last confirmed 36 days ago

Retailer 8

$2,716 NZD

$1,528 USD

View

Price last confirmed 21 days ago

Retailer 9

$2,716 NZD

$1,528 USD

View

Price last confirmed 31 days ago

Retailer 10

$2,742 NZD

$1,543 USD

View

Price last confirmed 8 days ago

Retailer 11

$3,048 NZD

$1,715 USD

View

Retailer 12

$3,866 NZD

£1,713 GBP

View

Retailer 13

$4,335 NZD

$2,439 USD

View

Price last confirmed 7 days ago

B+

Retailer 14

$4,520 NZD

€2,422 EUR

View

B+

Retailer 15

$4,800 NZD

$2,701 USD

View

Retailer 16

$5,076 NZD

A$4,394 AUD

View

Price last confirmed 12 days ago

Retailer 17

$5,090 NZD

$2,864 USD

View

Price last confirmed 33 days ago

Retailer 18

$5,090 NZD

$2,864 USD

View

Price last confirmed 36 days ago

Retailer 19

$5,140 NZD

$2,892 USD

View

Price last confirmed 9 days ago

B+

Retailer 20

$5,369 NZD

$3,021 USD

View

Retailer 21

$6,609 NZD

£2,928 GBP

View

Price last confirmed 15 days ago

Retailer 22

$7,434 NZD

$4,183 USD

View

Retailer 23

$7,777 NZD

A$6,732 AUD

View

Retailer 24

$7,866 NZD

$4,426 USD

View

Price last confirmed 7 days ago

Retailer 25

$8,133 NZD

$4,576 USD

View

Price last confirmed 8 days ago

Retailer 26

$8,821 NZD

£3,908 GBP

View

Retailer 27

$9,633 NZD

$5,420 USD

View

Price last confirmed 7 days ago

Retailer 28

$10,456 NZD

$5,883 USD

View

Most Expensive

Brilliant Earth

19916875A · Nov 2

$11,819 NZD

$6,650 USD

View

28 more retailers have this diamond

Prices start from $2,572 NZDSave up to $9,247 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

6.57ct Cushion

$2,572 NZD