Marquise|Lab Grown|IGI

4.02ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG743593708

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG743593708

Diamond specifications and retailer prices

From $18,804 NZD

$10,580 USD

As of November 1, 2026

Save $51,713 NZD (73%) vs most expensive(unlock to see where)

30 retailers carry this diamond

Most expensive: $70,517 NZD at Cape Diamonds · As of October 29, 2026

View at Cape Diamonds

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 LG743593708 or 743593708. Listed at 30 retailers as of October 29, 2026, with prices from $18,804 to $70,517, a $51,713 spread on the same certified stone. Cape Diamonds lists it at $70,517. 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

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33.9°

Pavilion angle40.2°

OriginLab Grown

Grading LabIGI

CertificateIGI LG743593708

Dimensions16.50 × 8.43 × 5.12 mm

L/W Ratio1.96

Girdle conditionFaceted

Culet sizePointed

Cert comments

As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG743593708

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 1

Current: $70,517 NZD|Low: $16,748 NZD|High: $123,832 NZD|Avg: $48,731 NZD|+1.9%

Cape Diamonds

Retailer 2

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Retailer 25

November 2, 2026

Retailer 23$18,804 NZD

Retailer 18$22,097 NZD

Retailer 12$25,385 NZD

Retailer 7$25,872 NZD

Retailer 9$26,494 NZD

Retailer 24$27,736 NZD

Retailer 10$29,597 NZD

Retailer 3$29,702 NZD

Retailer 25$30,893 NZD

Retailer 8$31,048 NZD

Retailer 14$35,710 NZD

Retailer 22$36,186 NZD

Retailer 2$37,524 NZD

Retailer 15$47,455 NZD

Retailer 19$52,037 NZD

Retailer 6$54,231 NZD

Retailer 17$56,316 NZD

Retailer 21$56,375 NZD

Retailer 20$57,350 NZD

Cape Diamonds$70,517 NZD

Retailer 13$71,896 NZD

Retailer 4$82,587 NZD

Retailer 16$92,424 NZD

Retailer 5$115,916 NZD

Retailer 11$123,832 NZD

31 data points across 25 retailers

30 retailers$18,804 NZD to $70,517 NZD

Cheapest Retailer

$18,804 NZD

$10,580 USD

B+

Retailer 2

$22,097 NZD

$12,433 USD

View

B+

Retailer 3

$25,385 NZD

$14,283 USD

View

B+

Retailer 4

$25,872 NZD

$14,557 USD

View

Retailer 5

$25,872 NZD

$14,557 USD

View

Price last confirmed 25 days ago

Retailer 6

$25,872 NZD

$14,557 USD

View

Price last confirmed 34 days ago

Retailer 7

$26,494 NZD

$14,907 USD

View

Price last confirmed 35 days ago

Retailer 8

$29,597 NZD

$16,653 USD

View

Price last confirmed 35 days ago

B+

Retailer 9

$29,702 NZD

$16,712 USD

View

Retailer 10

$30,011 NZD

$16,886 USD

View

Price last confirmed 30 days ago

Retailer 11

$30,011 NZD

$16,886 USD

View

Price last confirmed 23 days ago

B+

Retailer 12

$30,893 NZD

$17,382 USD

View

B+

Retailer 13

$31,048 NZD

$17,469 USD

View

Retailer 14

$31,048 NZD

$17,469 USD

View

Price last confirmed 33 days ago

Retailer 15

$31,048 NZD

$17,469 USD

View

Price last confirmed 23 days ago

Retailer 16

$35,710 NZD

$20,092 USD

View

Final sale: no returns

B+

Retailer 17

$36,186 NZD

$20,360 USD

View

B+

Retailer 18

$37,524 NZD

£16,624 GBP

View

Retailer 19

$47,455 NZD

£21,024 GBP

View

Retailer 20

$52,037 NZD

£23,054 GBP

View

Retailer 21

$54,231 NZD

$30,513 USD

View

Retailer 22

$56,375 NZD

€30,209 EUR

View

Retailer 23

$57,350 NZD

A$49,643 AUD

View

Most Expensive

Cape Diamonds

cert_743593708 · Oct 29

$70,517 NZD

ZAR 640,974 ZAR

View

23 more retailers have this diamond

Prices start from $18,804 NZDSave up to $51,713 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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