Cushion|Lab Grown|IGI

3.51ct G VS2 Cushion Lab Grown Diamond

ID • G/VS2 • IGI LG591300255

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG591300255

Diamond specifications and retailer prices

From $3,279 NZD

$1,848 USD

As of November 1, 2026

7 retailers carry this diamond

Most expensive: $9,013 NZD at Brilliant Earth · As of October 6, 2026

View at Brilliant Earth

About this 3.51ct lab-grown cushion diamond

This 3.51ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG591300255 or 591300255. Listed at 7 retailers as of November 1, 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

3.51

Carat

Colour

VS2

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle32.2°

Pavilion angle39.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG591300255

Dimensions9.21 × 8.72 × 5.71 mm

L/W Ratio1.06

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 LG591300255

Side View

Caratlytics Score

How it works →

B+

Very Good

Strong quality and value balance

Unlock full score analysis

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

Price History

Last verified: Nov 1

Current: $9,013 NZD|Low: $896 NZD|High: $9,297 NZD|Avg: $2,909 NZD|-3.1%

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

October 13, 2026

Retailer 3$896 NZD

Retailer 16$994 NZD

Retailer 15$1,251 NZD

Retailer 14$1,334 NZD

Retailer 2$1,585 NZD

Retailer 10$1,641 NZD

Retailer 6$1,977 NZD

Retailer 5$2,192 NZD

Retailer 4$2,893 NZD

Retailer 8$3,252 NZD

Retailer 9$3,279 NZD

Retailer 7$3,544 NZD

Retailer 12$3,696 NZD

Retailer 13$3,721 NZD

Retailer 11$3,992 NZD

Brilliant Earth$9,013 NZD

20 data points across 16 retailers

7 retailers

Retailer 1

$2,725 NZD

HK$12,000 HKD

Price last confirmed 27 days ago

Retailer 2

$3,252 NZD

$1,833 USD

View

Price last confirmed 28 days ago

B+

Retailer 3

$3,279 NZD

$1,848 USD

View

Retailer 4

$3,696 NZD

£1,640 GBP

View

Price last confirmed 29 days ago

Retailer 5

$3,721 NZD

$2,097 USD

View

Price last confirmed 27 days ago

Retailer 6

$3,992 NZD

$2,250 USD

View

Price last confirmed 28 days ago

Most Expensive

Brilliant Earth

16038360A · Oct 6

$9,013 NZD

$5,080 USD

View

Price last confirmed 26 days ago

6 more retailers have this diamond

Prices start from $3,279 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

B+

3.51ct Cushion

$3,279 NZD