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 $23,894 CAD

$17,105 USD

As of October 28, 2026

Save $43,884 CAD (65%) vs most expensive(unlock to see where)

29 retailers carry this diamond

Most expensive: $67,778 CAD at MOH London · As of October 29, 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 $23,894 to $67,778, a $43,884 spread on the same certified stone. MOH London lists it at $67,778. 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

Color

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: $67,778 CAD|Low: $23,894 CAD|High: $196,209 CAD|Avg: $79,459 CAD|+0.5%

MOH London

Retailer 2

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Retailer 21

October 29, 2026

Retailer 15$23,894 CAD

Retailer 11$34,484 CAD

Retailer 10$36,501 CAD

Retailer 6$38,621 CAD

Retailer 21$40,968 CAD

Retailer 18$42,955 CAD

Retailer 20$45,626 CAD

Retailer 19$46,821 CAD

Retailer 2$53,718 CAD

Retailer 16$56,922 CAD

Retailer 3$59,521 CAD

MOH London$67,778 CAD

Retailer 7$75,128 CAD

Retailer 4$77,815 CAD

Retailer 13$89,863 CAD

Retailer 17$107,169 CAD

Retailer 12$112,041 CAD

Retailer 9$130,767 CAD

Retailer 8$147,328 CAD

Retailer 14$183,539 CAD

Retailer 5$196,209 CAD

32 data points across 21 retailers

29 retailers$23,894 CAD to $67,778 CAD

Cheapest Retailer

$23,894 CAD

$17,105 USD

Retailer 2

$34,484 CAD

$24,686 USD

View

B+

Retailer 3

$38,621 CAD

$27,648 USD

View

B+

Retailer 4

$40,968 CAD

$29,328 USD

View

Retailer 5

$40,968 CAD

$29,328 USD

View

Price last confirmed 30 days ago

B+

Retailer 6

$40,968 CAD

$29,328 USD

View

Retailer 7

$40,968 CAD

$29,328 USD

View

Price last confirmed 21 days ago

Retailer 8

$40,968 CAD

$29,328 USD

View

Price last confirmed 31 days ago

Retailer 9

$40,968 CAD

$29,328 USD

View

Price last confirmed 23 days ago

Retailer 10

$41,297 CAD

$29,563 USD

View

Price last confirmed 32 days ago

B+

Retailer 11

$42,955 CAD

$30,750 USD

View

B+

Retailer 12

$45,626 CAD

$32,662 USD

View

B+

Retailer 13

$46,821 CAD

$33,518 USD

View

Retailer 14

$46,869 CAD

$33,552 USD

View

Price last confirmed 32 days ago

Retailer 15

$47,524 CAD

$34,021 USD

View

Price last confirmed 28 days ago

Retailer 16

$47,524 CAD

$34,021 USD

View

Price last confirmed 20 days ago

B+

Retailer 17

$53,718 CAD

£30,280 GBP

View

B+

Retailer 18

$56,922 CAD

$40,749 USD

View

Final sale: no returns

B+

Retailer 19

$59,521 CAD

$42,609 USD

View

Most Expensive

MOH London

LG642446508 · Oct 29

$67,778 CAD

£38,205 GBP

View

19 more retailers have this diamond

Prices start from $23,894 CADSave up to $43,884 CAD

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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