Cushion|Lab Grown|IGI

6.55ct D VS2 Cushion Lab Grown Diamond

ID • D/VS2 • IGI LG644484590

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG644484590

Diamond specifications and retailer prices

From $2,883 NZD

$1,625 USD

As of October 31, 2026

Save $9,572 NZD (77%) vs most expensive(unlock to see where)

20 retailers carry this diamond

Most expensive: $12,456 NZD at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 6.55ct lab-grown cushion diamond

This 6.55ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG644484590 or 644484590. Listed at 20 retailers as of October 29, 2026, with prices from $2,883 to $12,456, a $9,572 spread on the same certified stone. Brilliant Earth lists it at $12,456. 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

6.55

Carat

Colour

VS2

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle37.8°

Pavilion angle32°

OriginLab Grown

Grading LabIGI

CertificateIGI LG644484590

Dimensions11.71 × 9.74 × 6.39 mm

L/W Ratio1.20

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

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG644484590

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: $12,456 NZD|Low: $2,883 NZD|High: $12,846 NZD|Avg: $6,548 NZD|-3.0%

Brilliant Earth

Retailer 2

Retailer 3

Retailer 4

Retailer 5

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Retailer 9

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Retailer 20

October 31, 2026

Retailer 17$2,883 NZD

Retailer 12$2,988 NZD

Retailer 15$3,209 NZD

Retailer 14$3,291 NZD

Retailer 9$3,452 NZD

Retailer 6$3,751 NZD

Retailer 13$4,217 NZD

Retailer 4$4,273 NZD

Retailer 2$4,549 NZD

Retailer 19$4,807 NZD

Retailer 3$6,501 NZD

Retailer 10$7,220 NZD

Retailer 7$7,667 NZD

Retailer 16$8,579 NZD

Retailer 5$8,776 NZD

Retailer 8$9,989 NZD

Retailer 20$10,238 NZD

Retailer 11$10,516 NZD

Retailer 18$10,726 NZD

Brilliant Earth$12,456 NZD

33 data points across 20 retailers

20 retailers$2,883 NZD to $12,456 NZD

Cheapest Retailer

$2,883 NZD

$1,625 USD

Final sale: no returns

Retailer 2

$2,988 NZD

$1,684 USD

View

Price last confirmed 19 days ago

Retailer 3

$3,209 NZD

£1,424 GBP

View

Retailer 4

$3,291 NZD

$1,855 USD

View

Retailer 5

$3,452 NZD

HK$15,200 HKD

View

Retailer 6

$3,751 NZD

$2,114 USD

View

Retailer 7

$4,217 NZD

£1,872 GBP

View

Retailer 8

$4,273 NZD

$2,408 USD

View

Retailer 9

$4,549 NZD

€2,442 EUR

View

Retailer 10

$4,807 NZD

$2,709 USD

View

B+

Retailer 11

$6,501 NZD

$3,664 USD

View

B+

Retailer 12

$7,220 NZD

£3,204 GBP

View

B+

Retailer 13

$7,667 NZD

$4,321 USD

View

B+

Retailer 14

$8,579 NZD

£3,807 GBP

View

B+

Retailer 15

$8,776 NZD

$4,946 USD

View

B+

Retailer 16

$9,989 NZD

SGD 7,608 SGD

View

Retailer 17

$10,238 NZD

A$8,877 AUD

View

Price last confirmed 26 days ago

Retailer 18

$10,516 NZD

$5,927 USD

View

Retailer 19

$10,726 NZD

$6,045 USD

View

Price last confirmed 12 days ago

Most Expensive

Brilliant Earth

14721905A · Oct 29

$12,456 NZD

$7,020 USD

View

19 more retailers have this diamond

Prices start from $2,883 NZDSave up to $9,572 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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