Radiant|Lab Grown|IGI

5.10ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG821639486

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG821639486

Diamond specifications and retailer prices

From $12,916 CAD

$9,246 USD

As of October 29, 2026

Save $33,495 CAD (72%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: $46,411 CAD at Taylor and Hart · As of October 30, 2026

View at Taylor and Hart

About this 5.1ct lab-grown radiant diamond

This 5.1ct lab-grown radiant sits in the over five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG821639486 or 821639486. Listed at 14 retailers as of October 29, 2026, with prices from $12,916 to $46,411, a $33,495 spread on the same certified stone. Taylor and Hart lists it at $46,411. 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 angle43.5°

Pavilion angle34.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG821639486

Dimensions12.21 × 8.59 × 5.68 mm

L/W Ratio1.42

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 LG821639486

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29

Current: $24,083 CAD|Low: $12,916 CAD|High: $99,809 CAD|Avg: $30,833 CAD|-16.0%

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

Taylor and Hart

October 30, 2026

Retailer 11$12,916 CAD

Retailer 13$14,602 CAD

Retailer 2$15,506 CAD

Retailer 3$16,110 CAD

Retailer 10$16,393 CAD

Retailer 6$17,827 CAD

Retailer 1$24,083 CAD

Retailer 9$24,722 CAD

Retailer 8$26,473 CAD

Retailer 5$26,984 CAD

Retailer 7$29,973 CAD

Retailer 12$40,750 CAD

Taylor and Hart$46,411 CAD

Retailer 4$80,241 CAD

37 data points across 14 retailers

14 retailers$12,916 CAD to $46,411 CAD

Cheapest Retailer

$12,916 CAD

$9,246 USD

Retailer 2

$14,602 CAD

$10,453 USD

View

Retailer 3

$15,506 CAD

$11,100 USD

View

Retailer 4

$16,110 CAD

HK$90,100 HKD

View

Retailer 5

$16,393 CAD

$11,735 USD

View

Price last confirmed 11 days ago

Retailer 6

$17,827 CAD

£10,049 GBP

View

Retailer 7

$24,083 CAD

$17,240 USD

View

Retailer 8

$24,722 CAD

€16,855 EUR

View

Price last confirmed 7 days ago

Retailer 9

$26,473 CAD

£14,922 GBP

View

B+

Retailer 10

$26,984 CAD

$19,317 USD

View

B+

Retailer 11

$29,973 CAD

ZAR 346,633 ZAR

View

B+

Retailer 12

$40,750 CAD

$29,172 USD

View

Most Expensive

B+

Taylor and Hart

2R16V7D · Oct 30

$46,411 CAD

$33,224 USD

View

12 more retailers have this diamond

Prices start from $12,916 CADSave up to $33,495 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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