Marquise|Lab Grown|IGI

3.17ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG766601599

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG766601599

Diamond specifications and retailer prices

From $7,111 NZD

$4,008 USD

As of October 31, 2026

Save $8,786 NZD (55%) vs most expensive(unlock to see where)

19 retailers carry this diamond

Most expensive: $23,717 NZD at Taylor and Hart · As of October 14, 2026

View at Taylor and Hart

About this 3.17ct lab-grown marquise diamond

This 3.17ct 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 LG766601599 or 766601599. Listed at 19 retailers as of October 31, 2026, with a 124% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.17

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33.3°

Pavilion angle41.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG766601599

Dimensions15.11 × 7.64 × 4.89 mm

L/W Ratio1.98

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG766601599

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 31

Current: $15,898 NZD|Low: $4,847 NZD|High: $23,717 NZD|Avg: $12,536 NZD|-28.8%

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

Retailer 14

Retailer 15

Retailer 16

Retailer 17

Taylor and Hart

October 30, 2026

Retailer 9$4,847 NZD

Retailer 6$6,535 NZD

Retailer 17$6,581 NZD

Retailer 5$6,813 NZD

Retailer 15$7,044 NZD

Retailer 11$7,111 NZD

Retailer 10$8,844 NZD

Retailer 12$9,218 NZD

Retailer 4$10,329 NZD

Retailer 2$10,511 NZD

Retailer 7$13,502 NZD

Retailer 13$15,571 NZD

Retailer 1$15,898 NZD

Retailer 8$16,787 NZD

Retailer 16$16,934 NZD

Retailer 14$17,344 NZD

Retailer 3$19,700 NZD

Taylor and Hart$23,717 NZD

32 data points across 18 retailers

19 retailers$7,111 NZD to $15,898 NZD

Retailer 1

$5,837 NZD

$3,290 USD

Price last confirmed 24 days ago

Retailer 2

$6,350 NZD

$3,579 USD

View

Price last confirmed 18 days ago

Retailer 3

$6,771 NZD

$3,816 USD

View

Price last confirmed 20 days ago

Retailer 4

$6,771 NZD

$3,816 USD

View

Price last confirmed 24 days ago

Retailer 5

$7,111 NZD

$4,008 USD

View

Retailer 6

$7,252 NZD

$4,087 USD

View

Price last confirmed 38 days ago

Retailer 7

$8,460 NZD

$4,768 USD

View

Price last confirmed 25 days ago

Retailer 8

$8,844 NZD

€4,747 EUR

View

Retailer 9

$9,218 NZD

£4,091 GBP

View

Price last confirmed 17 days ago

Retailer 10

$10,329 NZD

£4,584 GBP

View

Price last confirmed 18 days ago

Retailer 11

$10,511 NZD

$5,924 USD

View

Price last confirmed 18 days ago

Retailer 12

$13,502 NZD

$7,610 USD

View

Price last confirmed 25 days ago

Retailer 13

$15,571 NZD

ZAR 141,778 ZAR

View

Price last confirmed 17 days ago

B+

Retailer 14

$15,898 NZD

$8,960 USD

View

Retailer 15

$16,787 NZD

A$14,556 AUD

View

Price last confirmed 34 days ago

Retailer 16

$16,934 NZD

$9,544 USD

View

Price last confirmed 18 days ago

Retailer 17

$17,344 NZD

£7,697 GBP

View

Price last confirmed 18 days ago

Retailer 18

$19,700 NZD

$11,103 USD

View

Price last confirmed 19 days ago

Most Expensive

Taylor and Hart

I4A2MOO · Oct 14

$23,717 NZD

$13,367 USD

View

Price last confirmed 19 days ago

18 more retailers have this diamond

Prices start from $7,111 NZDSave up to $8,786 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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