Marquise|Lab Grown|IGI

4.02ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG839622928

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839622928

Diamond specifications and retailer prices

From $9,181 NZD

£4,067 GBP

As of November 1, 2026

Save $30,022 NZD (77%) vs most expensive(unlock to see where)

20 retailers carry this diamond

Most expensive: $39,203 NZD at Taylor and Hart · As of October 31, 2026

View at Taylor and Hart

About this 4.02ct lab-grown marquise diamond

This 4.02ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG839622928 or 839622928. Listed at 20 retailers as of October 31, 2026, with prices from $9,181 to $39,203, a $30,022 spread on the same certified stone. Taylor and Hart lists it at $39,203. 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

4.02

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.5°

Pavilion angle36.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG839622928

Dimensions16.18 × 8.33 × 4.94 mm

L/W Ratio1.94

Girdle conditionFaceted

Culet sizeNone

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 LG839622928

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

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

Price History

Last verified: Nov 1

Current: $10,642 NZD|Low: $7,255 NZD|High: $42,902 NZD|Avg: $18,679 NZD|-10.2%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

Taylor and Hart

November 1, 2026

Retailer 9$9,181 NZD

Retailer 3$10,141 NZD

Retailer 13$10,148 NZD

Retailer 1$10,642 NZD

Retailer 12$11,237 NZD

Retailer 2$11,300 NZD

Retailer 5$12,279 NZD

Retailer 10$15,629 NZD

Retailer 8$16,970 NZD

Retailer 11$20,782 NZD

Retailer 6$22,430 NZD

Retailer 7$24,266 NZD

Retailer 4$24,561 NZD

Taylor and Hart$39,203 NZD

35 data points across 14 retailers

20 retailers$9,181 NZD to $39,203 NZD

Cheapest Retailer

$9,181 NZD

£4,067 GBP

Retailer 2

$10,141 NZD

$5,706 USD

View

Retailer 3

$10,148 NZD

$5,710 USD

View

Retailer 4

$10,163 NZD

$5,718 USD

View

Price last confirmed 28 days ago

Retailer 5

$10,586 NZD

$5,956 USD

View

Price last confirmed 33 days ago

Retailer 6

$10,642 NZD

$5,988 USD

View

Final sale: no returns

Retailer 7

$11,094 NZD

$6,242 USD

View

Price last confirmed 34 days ago

Retailer 8

$11,237 NZD

£4,979 GBP

View

Retailer 9

$11,300 NZD

$6,358 USD

View

Retailer 10

$12,111 NZD

$6,814 USD

View

Price last confirmed 34 days ago

Retailer 11

$12,279 NZD

$6,909 USD

View

Price last confirmed 20 days ago

Retailer 12

$12,279 NZD

$6,909 USD

View

Price last confirmed 30 days ago

Retailer 13

$14,577 NZD

$8,202 USD

View

Price last confirmed 32 days ago

Retailer 14

$15,629 NZD

£6,924 GBP

View

Retailer 15

$16,970 NZD

$9,548 USD

View

Retailer 16

$20,782 NZD

$11,693 USD

View

Retailer 17

$22,430 NZD

£9,937 GBP

View

B+

Retailer 18

$24,266 NZD

A$21,005 AUD

View

B+

Retailer 19

$24,561 NZD

ZAR 223,248 ZAR

View

Most Expensive

Taylor and Hart

BUYZF8Z · Oct 31

$39,203 NZD

$22,058 USD

View

19 more retailers have this diamond

Prices start from $9,181 NZDSave up to $30,022 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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