Marquise|Lab Grown|IGI

1.57ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG667458721

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG667458721

Diamond specifications and retailer prices

From $2,098 NZD

€1,126 EUR

As of October 27, 2026

Save $6,011 NZD (74%) vs most expensive(unlock to see where)

22 retailers carry this diamond

Most expensive: $8,109 NZD at Brilliant Earth · As of October 26, 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 LG667458721 or 667458721. Listed at 22 retailers as of October 26, 2026, with prices from $2,098 to $8,109, a $6,011 spread on the same certified stone. Brilliant Earth lists it at $8,109. 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

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle37.4°

Pavilion angle40.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG667458721

Dimensions11.91 × 5.95 × 3.83 mm

L/W Ratio2.00

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 LG667458721

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: Oct 27

Current: $8,109 NZD|Low: $887 NZD|High: $8,109 NZD|Avg: $2,855 NZD|+23.8%

Brilliant Earth

Retailer 2

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October 27, 2026

Retailer 7$937 NZD

Retailer 11$994 NZD

Retailer 20$1,049 NZD

Retailer 14$1,098 NZD

Retailer 5$1,162 NZD

Retailer 8$1,659 NZD

Retailer 12$1,686 NZD

Retailer 13$1,687 NZD

Retailer 17$1,775 NZD

Retailer 18$2,058 NZD

Retailer 2$2,098 NZD

Retailer 9$2,579 NZD

Retailer 6$2,599 NZD

Retailer 3$3,055 NZD

Retailer 19$3,380 NZD

Retailer 4$3,674 NZD

Retailer 21$3,775 NZD

Retailer 16$3,975 NZD

Retailer 22$4,308 NZD

Retailer 10$4,613 NZD

Retailer 15$6,318 NZD

Brilliant Earth$8,109 NZD

31 data points across 22 retailers

22 retailers$2,098 NZD to $8,109 NZD

Retailer 1

$937 NZD

$528 USD

Price last confirmed 11 days ago

Retailer 2

$994 NZD

$560 USD

View

Price last confirmed 12 days ago

Retailer 3

$1,098 NZD

$619 USD

View

Price last confirmed 16 days ago

Retailer 4

$1,162 NZD

$655 USD

View

Price last confirmed 11 days ago

Retailer 5

$1,659 NZD

$935 USD

View

Price last confirmed 10 days ago

Retailer 6

$1,686 NZD

$950 USD

View

Price last confirmed 10 days ago

Retailer 7

$1,687 NZD

$951 USD

View

Price last confirmed 9 days ago

Retailer 8

$1,775 NZD

£788 GBP

View

Price last confirmed 10 days ago

Retailer 9

$2,058 NZD

$1,160 USD

View

Price last confirmed 9 days ago

Retailer 10

$2,098 NZD

€1,126 EUR

View

Retailer 11

$2,579 NZD

A$2,236 AUD

View

Price last confirmed 13 days ago

Retailer 12

$2,599 NZD

$1,465 USD

View

Price last confirmed 10 days ago

Retailer 13

$3,055 NZD

$1,722 USD

View

Price last confirmed 11 days ago

Retailer 14

$3,380 NZD

£1,500 GBP

View

Price last confirmed 10 days ago

Retailer 15

$3,674 NZD

SGD 2,798 SGD

View

Price last confirmed 10 days ago

Retailer 16

$3,775 NZD

$2,128 USD

View

Price last confirmed 10 days ago

Retailer 17

$3,873 NZD

$2,183 USD

View

Price last confirmed 11 days ago

Retailer 18

$3,975 NZD

$2,240 USD

View

Price last confirmed 10 days ago

Retailer 19

$4,308 NZD

$2,428 USD

View

Price last confirmed 11 days ago

Retailer 20

$4,613 NZD

£2,047 GBP

View

Price last confirmed 14 days ago

Retailer 21

$6,318 NZD

A$5,478 AUD

View

Price last confirmed 25 days ago

Most Expensive

Brilliant Earth

18032155A · Oct 26

$8,109 NZD

$4,570 USD

View

21 more retailers have this diamond

Prices start from $2,098 NZDSave up to $6,011 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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