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 $24,351 AUD

$17,105 USD

As of October 28, 2026

Save $44,354 AUD (65%) vs most expensive(unlock to see where)

29 retailers carry this diamond

Most expensive: $68,705 AUD 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 $24,351 to $68,705, a $44,354 spread on the same certified stone. MOH London lists it at $68,705. 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: $68,705 AUD|Low: $24,351 AUD|High: $199,959 AUD|Avg: $81,308 AUD

MOH London

Retailer 2

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November 1, 2026

Retailer 17$24,351 AUD

Retailer 11$35,143 AUD

Retailer 10$37,199 AUD

Retailer 6$39,360 AUD

Retailer 3$41,751 AUD

Retailer 19$43,776 AUD

Retailer 21$46,498 AUD

Retailer 20$47,716 AUD

Retailer 15$54,745 AUD

Retailer 18$58,010 AUD

Retailer 4$60,658 AUD

MOH London$68,705 AUD

Retailer 7$76,564 AUD

Retailer 13$78,519 AUD

Retailer 16$91,581 AUD

Retailer 2$109,034 AUD

Retailer 12$114,182 AUD

Retailer 9$133,266 AUD

Retailer 8$150,144 AUD

Retailer 14$187,047 AUD

Retailer 5$199,959 AUD

31 data points across 21 retailers

29 retailers$24,351 AUD to $68,705 AUD

Cheapest Retailer

$24,351 AUD

$17,105 USD

Retailer 2

$35,143 AUD

$24,686 USD

View

B+

Retailer 3

$39,360 AUD

$27,648 USD

View

B+

Retailer 4

$41,751 AUD

$29,328 USD

View

Retailer 5

$41,751 AUD

$29,328 USD

View

Price last confirmed 32 days ago

B+

Retailer 6

$41,751 AUD

$29,328 USD

View

Retailer 7

$41,751 AUD

$29,328 USD

View

Price last confirmed 22 days ago

Retailer 8

$41,751 AUD

$29,328 USD

View

Price last confirmed 33 days ago

Retailer 9

$41,751 AUD

$29,328 USD

View

Price last confirmed 25 days ago

Retailer 10

$42,086 AUD

$29,563 USD

View

Price last confirmed 34 days ago

B+

Retailer 11

$43,776 AUD

$30,750 USD

View

B+

Retailer 12

$46,498 AUD

$32,662 USD

View

B+

Retailer 13

$47,716 AUD

$33,518 USD

View

Retailer 14

$47,765 AUD

$33,552 USD

View

Price last confirmed 34 days ago

Retailer 15

$48,432 AUD

$34,021 USD

View

Price last confirmed 30 days ago

Retailer 16

$48,432 AUD

$34,021 USD

View

Price last confirmed 22 days ago

B+

Retailer 17

$54,745 AUD

£30,280 GBP

View

Retailer 18

$58,010 AUD

$40,749 USD

View

Final sale: no returns

B+

Retailer 19

$60,658 AUD

$42,609 USD

View

Most Expensive

MOH London

LG642446508 · Nov 1

$68,705 AUD

£38,001 GBP

View

19 more retailers have this diamond

Prices start from $24,351 AUDSave up to $44,354 AUD

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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5.10ct Marquise

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