Marquise|Lab Grown|IGI

4.26ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG754595411

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754595411

Diamond specifications and retailer prices

From $29,523 NZD

$16,639 USD

As of November 2, 2026

Save $45,023 NZD (60%) vs most expensive(unlock to see where)

29 retailers carry this diamond

Most expensive: $74,546 NZD at Cape Diamonds · As of October 29, 2026

View at Cape Diamonds

About this 4.26ct lab-grown marquise diamond

This 4.26ct 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 LG754595411 or 754595411. Listed at 29 retailers as of October 29, 2026, with prices from $29,523 to $74,546, a $45,023 spread on the same certified stone. Cape Diamonds lists it at $74,546. 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

4.26

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.5°

Pavilion angle40.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG754595411

Dimensions16.53 × 8.39 × 5.37 mm

L/W Ratio1.97

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 LG754595411

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 2

Current: $74,546 NZD|Low: $28,623 NZD|High: $130,538 NZD|Avg: $55,725 NZD|+1.9%

Cape Diamonds

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

November 2, 2026

Retailer 5$29,523 NZD

Retailer 17$30,190 NZD

Retailer 8$31,833 NZD

Retailer 9$32,063 NZD

Retailer 13$33,813 NZD

Retailer 16$35,003 NZD

Retailer 15$38,307 NZD

Retailer 2$38,670 NZD

Retailer 6$50,160 NZD

Retailer 11$55,009 NZD

Retailer 14$59,641 NZD

Retailer 12$60,666 NZD

Retailer 3$63,282 NZD

Cape Diamonds$74,546 NZD

Retailer 10$75,948 NZD

Retailer 7$97,777 NZD

Retailer 4$130,538 NZD

34 data points across 17 retailers

29 retailers$29,523 NZD to $74,546 NZD

Retailer 1

$21,256 NZD

$11,980 USD

Price last confirmed 84 days ago

B+

Retailer 2

$29,523 NZD

$16,639 USD

View

B+

Retailer 3

$30,190 NZD

$17,015 USD

View

Retailer 4

$30,190 NZD

$17,015 USD

View

Price last confirmed 25 days ago

Retailer 5

$30,190 NZD

$17,015 USD

View

Price last confirmed 33 days ago

Retailer 6

$30,915 NZD

$17,424 USD

View

Price last confirmed 34 days ago

B+

Retailer 7

$31,833 NZD

$17,941 USD

View

B+

Retailer 8

$32,063 NZD

$18,071 USD

View

B+

Retailer 9

$32,821 NZD

$18,498 USD

View

Retailer 10

$32,821 NZD

$18,498 USD

View

Price last confirmed 23 days ago

Retailer 11

$32,821 NZD

$18,498 USD

View

Price last confirmed 32 days ago

B+

Retailer 12

$33,813 NZD

$19,057 USD

View

Final sale: no returns

Retailer 13

$34,537 NZD

$19,465 USD

View

Price last confirmed 34 days ago

B+

Retailer 14

$35,003 NZD

$19,728 USD

View

Retailer 15

$35,021 NZD

$19,738 USD

View

Price last confirmed 30 days ago

Retailer 16

$35,021 NZD

$19,738 USD

View

Price last confirmed 22 days ago

B+

Retailer 17

$38,307 NZD

$21,590 USD

View

B+

Retailer 18

$38,670 NZD

£17,161 GBP

View

Retailer 19

$50,160 NZD

£22,260 GBP

View

Retailer 20

$55,009 NZD

£24,412 GBP

View

Retailer 21

$59,641 NZD

€32,013 EUR

View

Retailer 22

$60,666 NZD

A$52,602 AUD

View

Retailer 23

$63,282 NZD

$35,666 USD

View

Most Expensive

Cape Diamonds

cert_754595411 · Oct 29

$74,546 NZD

ZAR 678,742 ZAR

View

23 more retailers have this diamond

Prices start from $29,523 NZDSave up to $45,023 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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