Cushion|Lab Grown|IGI

4.09ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG700585208

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG700585208

Diamond specifications and retailer prices

From $2,225 NZD

$1,252 USD

As of November 2, 2026

13 retailers carry this diamond

Most expensive: $13,401 NZD at Brilliant Earth · As of October 17, 2026

View at Brilliant Earth

About this 4.09ct lab-grown cushion diamond

This 4.09ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG700585208 or 700585208. Listed at 13 retailers as of November 2, 2026. 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

4.09

Carat

Colour

VS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.6°

Pavilion angle37.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG700585208

Dimensions8.40 × 8.40 × 5.56 mm

L/W Ratio1.00

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 LG700585208

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 2

Current: $13,401 NZD|Low: $1,719 NZD|High: $14,485 NZD|Avg: $5,200 NZD|-7.5%

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

October 16, 2026

Retailer 7$1,719 NZD

Retailer 14$1,783 NZD

Retailer 13$2,142 NZD

Retailer 4$2,318 NZD

Retailer 3$2,508 NZD

Retailer 18$2,513 NZD

Retailer 8$2,607 NZD

Retailer 2$3,081 NZD

Retailer 12$4,149 NZD

Retailer 17$4,221 NZD

Retailer 9$5,444 NZD

Retailer 6$5,566 NZD

Retailer 16$5,575 NZD

Retailer 15$5,807 NZD

Retailer 11$6,744 NZD

Retailer 10$7,010 NZD

Brilliant Earth$13,401 NZD

Retailer 5$14,325 NZD

23 data points across 18 retailers

13 retailers

Retailer 1

$1,783 NZD

$1,003 USD

Price last confirmed 21 days ago

Retailer 2

$2,225 NZD

$1,252 USD

View

Retailer 3

$2,513 NZD

$1,414 USD

View

Price last confirmed 19 days ago

Retailer 4

$2,607 NZD

$1,467 USD

View

Price last confirmed 18 days ago

Retailer 5

$3,081 NZD

£1,365 GBP

View

Price last confirmed 17 days ago

Retailer 6

$4,149 NZD

ZAR 37,715 ZAR

View

Price last confirmed 18 days ago

Retailer 7

$5,444 NZD

£2,412 GBP

View

Price last confirmed 19 days ago

Retailer 8

$5,566 NZD

$3,132 USD

View

Price last confirmed 19 days ago

Retailer 9

$5,575 NZD

$3,137 USD

View

Price last confirmed 18 days ago

Retailer 10

$5,807 NZD

A$5,027 AUD

View

Price last confirmed 25 days ago

Retailer 11

$6,744 NZD

£2,988 GBP

View

Price last confirmed 18 days ago

Retailer 12

$7,010 NZD

$3,944 USD

View

Price last confirmed 18 days ago

Most Expensive

Brilliant Earth

18873985A · Oct 17

$13,401 NZD

$7,540 USD

View

Price last confirmed 16 days ago

12 more retailers have this diamond

Prices start from $2,225 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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