Cushion|Lab Grown|IGI

15.18ct F VS2 Cushion Lab Grown Diamond

ID • F/VS2 • IGI LG720591603

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG720591603

Diamond specifications and retailer prices

From $5,563 NZD

$3,130 USD

As of November 2, 2026

Save $19,152 NZD (77%) vs most expensive(unlock to see where)

8 retailers carry this diamond

Most expensive: $24,715 NZD at Adiamor · As of November 2, 2026

View at Adiamor

About this 15.18ct lab-grown cushion diamond

This 15.18ct lab-grown cushion sits in the over five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG720591603 or 720591603. Listed at 8 retailers as of November 2, 2026, with prices from $5,563 to $24,715, a $19,152 spread on the same certified stone. Adiamor lists it at $24,715. 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

15.18

Carat

Colour

VS2

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle38.5°

Pavilion angle30.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG720591603

Dimensions13.90 × 12.82 × 8.84 mm

L/W Ratio1.08

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 LG720591603

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: $24,715 NZD|Low: $3,949 NZD|High: $45,286 NZD|Avg: $13,305 NZD|-0.2%

Adiamor

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 13$3,949 NZD

Retailer 7$4,485 NZD

Retailer 9$5,556 NZD

Retailer 6$5,563 NZD

Retailer 10$6,576 NZD

Retailer 2$7,442 NZD

Retailer 5$8,574 NZD

Retailer 8$8,648 NZD

Retailer 12$9,273 NZD

Retailer 11$19,370 NZD

Retailer 4$19,811 NZD

Adiamor$24,715 NZD

Retailer 3$45,286 NZD

24 data points across 13 retailers

8 retailers$5,563 NZD to $24,715 NZD

Retailer 1

$5,556 NZD

$3,126 USD

Price last confirmed 21 days ago

Retailer 2

$5,563 NZD

$3,130 USD

View

Retailer 3

$6,576 NZD

$3,700 USD

View

Retailer 4

$7,442 NZD

£3,297 GBP

View

Retailer 5

$8,648 NZD

$4,866 USD

View

B+

Retailer 6

$11,597 NZD

$6,525 USD

View

Retailer 7

$19,370 NZD

$10,898 USD

View

Most Expensive

Adiamor

D-77578250 · Nov 2

$24,715 NZD

$13,906 USD

View

7 more retailers have this diamond

Prices start from $5,563 NZDSave up to $19,152 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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15.18ct Cushion

$5,563 NZD