Heart|Lab Grown|IGI

4.58ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG846662168

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG846662168

Diamond specifications and retailer prices

From $7,599 CAD

£4,284 GBP

As of November 1, 2026

Save $47,831 CAD (86%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: $55,430 CAD at With Clarity · As of October 31, 2026

View at With Clarity

About this 4.58ct lab-grown heart diamond

This 4.58ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG846662168 or 846662168. Listed at 14 retailers as of October 31, 2026, with prices from $7,599 to $55,430, a $47,831 spread on the same certified stone. With Clarity lists it at $55,430. 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

4.58

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle37.1°

Pavilion angle39.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG846662168

Dimensions10.32 × 11.15 × 6.74 mm

L/W Ratio1.08

Girdle conditionFaceted

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 LG846662168

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: Nov 1

Current: $18,566 CAD|Low: $7,599 CAD|High: $55,430 CAD|Avg: $16,579 CAD|-0.1%

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

With Clarity

November 1, 2026

Retailer 6$7,599 CAD

Retailer 9$7,866 CAD

Retailer 11$8,232 CAD

Retailer 4$8,243 CAD

Retailer 2$9,129 CAD

Retailer 13$10,832 CAD

Retailer 12$11,040 CAD

Retailer 3$11,957 CAD

Retailer 10$14,089 CAD

Retailer 8$17,957 CAD

Retailer 1$18,566 CAD

Retailer 5$19,407 CAD

Retailer 7$26,276 CAD

With Clarity$55,430 CAD

11 data points across 14 retailers

14 retailers$7,599 CAD to $55,430 CAD

Cheapest Retailer

$7,599 CAD

£4,284 GBP

Retailer 2

$7,866 CAD

$5,631 USD

View

Retailer 3

$8,232 CAD

$5,893 USD

View

Retailer 4

$8,243 CAD

$5,901 USD

View

Retailer 5

$9,129 CAD

$6,535 USD

View

Retailer 6

$10,832 CAD

$7,754 USD

View

Retailer 7

$11,040 CAD

$7,903 USD

View

Retailer 8

$11,957 CAD

$8,560 USD

View

B+

Retailer 9

$14,089 CAD

$10,086 USD

View

B+

Retailer 10

$17,957 CAD

€12,243 EUR

View

B+

Retailer 11

$18,566 CAD

£10,465 GBP

View

B+

Retailer 12

$19,407 CAD

$13,893 USD

View

B+

Retailer 13

$26,276 CAD

$18,810 USD

View

Most Expensive

With Clarity

846662168 · Oct 31

$55,430 CAD

$39,681 USD

View

13 more retailers have this diamond

Prices start from $7,599 CADSave up to $47,831 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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4.58ct Heart

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