Marquise|Lab Grown|IGI

5.10ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG642446508

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG642446508

Diamond specifications and retailer prices

From $30,349 NZD

$17,105 USD

As of October 28, 2026

Save $55,281 NZD (65%) vs most expensive(unlock to see where)

29 retailers carry this diamond

Most expensive: $85,630 NZD at MOH London · As of November 1, 2026

View at MOH London

About this 5.1ct lab-grown marquise diamond

This 5.1ct lab-grown marquise sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG642446508 or 642446508. Listed at 29 retailers as of October 28, 2026, with prices from $30,349 to $85,630, a $55,281 spread on the same certified stone. MOH London lists it at $85,630. 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

5.10

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.8°

Pavilion angle40.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG642446508

Dimensions17.51 × 8.98 × 5.67 mm

L/W Ratio1.95

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

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG642446508

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 28

Current: $85,630 NZD|Low: $30,349 NZD|High: $249,218 NZD|Avg: $101,338 NZD

MOH London

Retailer 2

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Retailer 21

November 1, 2026

Retailer 17$30,349 NZD

Retailer 11$43,800 NZD

Retailer 10$46,363 NZD

Retailer 6$49,056 NZD

Retailer 3$52,037 NZD

Retailer 19$54,560 NZD

Retailer 21$57,952 NZD

Retailer 20$59,471 NZD

Retailer 15$68,231 NZD

Retailer 18$72,301 NZD

Retailer 4$75,601 NZD

MOH London$85,630 NZD

Retailer 7$95,425 NZD

Retailer 13$97,862 NZD

Retailer 16$114,141 NZD

Retailer 2$135,894 NZD

Retailer 12$142,311 NZD

Retailer 9$166,096 NZD

Retailer 8$187,132 NZD

Retailer 14$233,125 NZD

Retailer 5$249,218 NZD

31 data points across 21 retailers

29 retailers$30,349 NZD to $85,630 NZD

Cheapest Retailer

$30,349 NZD

$17,105 USD

Retailer 2

$43,800 NZD

$24,686 USD

View

B+

Retailer 3

$49,056 NZD

$27,648 USD

View

B+

Retailer 4

$52,037 NZD

$29,328 USD

View

Retailer 5

$52,037 NZD

$29,328 USD

View

Price last confirmed 32 days ago

B+

Retailer 6

$52,037 NZD

$29,328 USD

View

Retailer 7

$52,037 NZD

$29,328 USD

View

Price last confirmed 23 days ago

Retailer 8

$52,037 NZD

$29,328 USD

View

Price last confirmed 33 days ago

Retailer 9

$52,037 NZD

$29,328 USD

View

Price last confirmed 25 days ago

Retailer 10

$52,454 NZD

$29,563 USD

View

Price last confirmed 34 days ago

B+

Retailer 11

$54,560 NZD

$30,750 USD

View

B+

Retailer 12

$57,952 NZD

$32,662 USD

View

B+

Retailer 13

$59,471 NZD

$33,518 USD

View

Retailer 14

$59,531 NZD

$33,552 USD

View

Price last confirmed 34 days ago

Retailer 15

$60,363 NZD

$34,021 USD

View

Price last confirmed 30 days ago

Retailer 16

$60,363 NZD

$34,021 USD

View

Price last confirmed 22 days ago

B+

Retailer 17

$68,231 NZD

£30,280 GBP

View

Retailer 18

$72,301 NZD

$40,749 USD

View

Final sale: no returns

B+

Retailer 19

$75,601 NZD

$42,609 USD

View

Most Expensive

MOH London

LG642446508 · Nov 1

$85,630 NZD

£38,001 GBP

View

19 more retailers have this diamond

Prices start from $30,349 NZDSave up to $55,281 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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