Marquise|Lab Grown|IGI

1.57ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG758554058

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG758554058

Diamond specifications and retailer prices

From $916 NZD

$516 USD

As of November 2, 2026

Save $4,106 NZD (82%) vs most expensive(unlock to see where)

26 retailers carry this diamond

Most expensive: $5,021 NZD at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 1.57ct lab-grown marquise diamond

This 1.57ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG758554058 or 758554058. Listed at 26 retailers as of October 31, 2026, with prices from $916 to $5,021, a $4,106 spread on the same certified stone. Brilliant Earth lists it at $5,021. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.4°

Pavilion angle40.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG758554058

Dimensions11.59 × 6.00 × 3.87 mm

L/W Ratio1.93

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 LG758554058

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: $5,021 NZD|Low: $916 NZD|High: $5,410 NZD|Avg: $2,365 NZD

Brilliant Earth

Retailer 2

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November 2, 2026

Retailer 19$916 NZD

Retailer 7$1,024 NZD

Retailer 20$1,136 NZD

Retailer 14$1,162 NZD

Retailer 13$1,201 NZD

Retailer 17$1,224 NZD

Retailer 8$1,522 NZD

Retailer 3$1,531 NZD

Retailer 15$1,760 NZD

Retailer 21$1,949 NZD

Retailer 2$1,959 NZD

Retailer 5$2,049 NZD

Retailer 18$2,645 NZD

Retailer 11$2,665 NZD

Retailer 4$2,986 NZD

Retailer 10$3,299 NZD

Retailer 6$3,694 NZD

Retailer 9$3,908 NZD

Retailer 12$4,230 NZD

Retailer 16$4,741 NZD

Brilliant Earth$5,021 NZD

24 data points across 21 retailers

26 retailers$916 NZD to $5,021 NZD

Cheapest Retailer

$916 NZD

$516 USD

Retailer 2

$995 NZD

$561 USD

View

Price last confirmed 25 days ago

Retailer 3

$1,024 NZD

$577 USD

View

Final sale: no returns

Retailer 4

$1,116 NZD

$629 USD

View

Price last confirmed 34 days ago

Retailer 5

$1,136 NZD

$640 USD

View

Retailer 6

$1,162 NZD

$655 USD

View

Price last confirmed 16 days ago

Retailer 7

$1,162 NZD

$655 USD

View

Price last confirmed 24 days ago

Retailer 8

$1,201 NZD

£533 GBP

View

Retailer 9

$1,224 NZD

$690 USD

View

Retailer 10

$1,385 NZD

HK$6,100 HKD

View

Price last confirmed 59 days ago

Retailer 11

$1,522 NZD

$858 USD

View

Retailer 12

$1,531 NZD

$863 USD

View

Retailer 13

$1,760 NZD

£781 GBP

View

Retailer 14

$1,949 NZD

€1,046 EUR

View

Retailer 15

$1,959 NZD

ZAR 17,834 ZAR

View

Retailer 16

$2,049 NZD

$1,155 USD

View

Retailer 17

$2,645 NZD

A$2,293 AUD

View

B+

Retailer 18

$2,665 NZD

$1,502 USD

View

Retailer 19

$2,986 NZD

$1,683 USD

View

Retailer 20

$3,247 NZD

$1,830 USD

View

Price last confirmed 32 days ago

B+

Retailer 21

$3,299 NZD

£1,464 GBP

View

B+

Retailer 22

$3,694 NZD

$2,082 USD

View

B+

Retailer 23

$3,908 NZD

$2,203 USD

View

B+

Retailer 24

$4,230 NZD

$2,384 USD

View

B+

Retailer 25

$4,741 NZD

£2,104 GBP

View

Most Expensive

Brilliant Earth

18182307A · Oct 31

$5,021 NZD

$2,830 USD

View

25 more retailers have this diamond

Prices start from $916 NZDSave up to $4,106 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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