Heart|Lab Grown|IGI

4.05ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG665423550

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG665423550

Diamond specifications and retailer prices

From $4,856 CAD

$3,476 USD

As of October 29, 2026

Save $12,692 CAD (72%) vs most expensive(unlock to see where)

22 retailers carry this diamond

Most expensive: $17,548 CAD at Taylor and Hart · As of October 30, 2026

View at Taylor and Hart

About this 4.05ct lab-grown heart diamond

This 4.05ct lab-grown heart sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG665423550 or 665423550. Listed at 22 retailers as of October 29, 2026, with prices from $4,856 to $17,548, a $12,692 spread on the same certified stone. Taylor and Hart lists it at $17,548. 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

4.05

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle41.8°

Pavilion angle40.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG665423550

Dimensions10.65 × 9.71 × 6.47 mm

L/W Ratio1.10

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 LG665423550

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 29

Current: $13,899 CAD|Low: $4,856 CAD|High: $24,471 CAD|Avg: $12,483 CAD|-30.0%

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

Retailer 14

Retailer 15

Retailer 16

Taylor and Hart

October 30, 2026

Retailer 3$4,856 CAD

Retailer 16$5,036 CAD

Retailer 12$5,252 CAD

Retailer 2$5,847 CAD

Retailer 9$6,675 CAD

Retailer 6$7,081 CAD

Retailer 14$7,197 CAD

Retailer 11$8,060 CAD

Retailer 15$8,068 CAD

Retailer 10$10,707 CAD

Retailer 4$12,064 CAD

Retailer 13$12,821 CAD

Retailer 1$13,899 CAD

Retailer 5$13,953 CAD

Retailer 8$15,017 CAD

Retailer 7$16,916 CAD

Taylor and Hart$17,548 CAD

36 data points across 17 retailers

22 retailers$4,856 CAD to $17,548 CAD

Cheapest Retailer

$4,856 CAD

$3,476 USD

Final sale: no returns

Retailer 2

$5,036 CAD

$3,605 USD

View

Retailer 3

$5,252 CAD

$3,760 USD

View

Retailer 4

$5,847 CAD

HK$32,700 HKD

View

Retailer 5

$5,926 CAD

$4,242 USD

View

Price last confirmed 13 days ago

Retailer 6

$6,211 CAD

$4,446 USD

View

Price last confirmed 31 days ago

Retailer 7

$6,675 CAD

£3,762 GBP

View

Retailer 8

$6,874 CAD

$4,921 USD

View

Price last confirmed 27 days ago

Retailer 9

$6,874 CAD

$4,921 USD

View

Price last confirmed 14 days ago

Retailer 10

$7,081 CAD

$5,069 USD

View

Retailer 11

$7,197 CAD

$5,152 USD

View

Retailer 12

$8,060 CAD

€5,495 EUR

View

Retailer 13

$8,068 CAD

$5,776 USD

View

Retailer 14

$8,590 CAD

$6,149 USD

View

Price last confirmed 14 days ago

Retailer 15

$10,707 CAD

ZAR 123,822 ZAR

View

B+

Retailer 16

$12,064 CAD

$8,636 USD

View

B+

Retailer 17

$12,821 CAD

£7,227 GBP

View

B+

Retailer 18

$13,899 CAD

$9,950 USD

View

B+

Retailer 19

$13,953 CAD

$9,988 USD

View

Retailer 20

$15,017 CAD

A$16,539 AUD

View

Price last confirmed 8 days ago

B+

Retailer 21

$16,916 CAD

SGD 16,364 SGD

View

Most Expensive

B+

Taylor and Hart

JPUALNZ · Oct 30

$17,548 CAD

$12,562 USD

View

21 more retailers have this diamond

Prices start from $4,856 CADSave up to $12,692 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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