Heart|Lab Grown|IGI

1.88ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG818667589

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818667589

Diamond specifications and retailer prices

From $1,451 CAD

$1,039 USD

As of October 30, 2026

Save $6,972 CAD (83%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: $8,423 CAD at Brilliant Earth · As of October 28, 2026

View at Brilliant Earth

About this 1.88ct lab-grown heart diamond

This 1.88ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818667589 or 818667589. Listed at 18 retailers as of October 28, 2026, with prices from $1,451 to $8,423, a $6,972 spread on the same certified stone. Brilliant Earth lists it at $8,423. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.88

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle37.3°

Pavilion angle39.2°

OriginLab Grown

Grading LabIGI

CertificateIGI LG818667589

Dimensions7.67 × 8.51 × 4.92 mm

L/W Ratio1.11

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 LG818667589

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 30

Current: $8,423 CAD|Low: $1,260 CAD|High: $8,423 CAD|Avg: $3,618 CAD

Brilliant Earth

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

October 30, 2026

Retailer 10$1,451 CAD

Retailer 11$1,572 CAD

Retailer 7$1,655 CAD

Retailer 2$2,003 CAD

Retailer 15$2,104 CAD

Retailer 13$2,334 CAD

Retailer 9$2,399 CAD

Retailer 8$2,469 CAD

Retailer 4$2,830 CAD

Retailer 3$4,085 CAD

Retailer 14$4,516 CAD

Retailer 12$4,900 CAD

Retailer 6$5,166 CAD

Retailer 5$7,395 CAD

Brilliant Earth$8,423 CAD

34 data points across 15 retailers

18 retailers$1,451 CAD to $8,423 CAD

Retailer 1

$1,369 CAD

$980 USD

Price last confirmed 28 days ago

Retailer 2

$1,451 CAD

$1,039 USD

View

Final sale: no returns

Retailer 3

$1,552 CAD

$1,111 USD

View

Price last confirmed 31 days ago

Retailer 4

$1,572 CAD

$1,125 USD

View

Retailer 5

$1,632 CAD

$1,168 USD

View

Price last confirmed 33 days ago

Retailer 6

$2,003 CAD

£1,129 GBP

View

B+

Retailer 7

$2,104 CAD

$1,506 USD

View

B+

Retailer 8

$2,334 CAD

$1,671 USD

View

B+

Retailer 9

$2,399 CAD

ZAR 27,747 ZAR

View

B+

Retailer 10

$2,469 CAD

€1,683 EUR

View

B+

Retailer 11

$2,830 CAD

$2,026 USD

View

Retailer 12

$3,101 CAD

$2,220 USD

View

Price last confirmed 29 days ago

B+

Retailer 13

$4,085 CAD

$2,924 USD

View

Retailer 14

$4,516 CAD

$3,233 USD

View

B+

Retailer 15

$4,900 CAD

£2,762 GBP

View

Retailer 16

$5,166 CAD

SGD 4,998 SGD

View

Retailer 17

$7,395 CAD

$5,294 USD

View

Most Expensive

Brilliant Earth

21418790A · Oct 28

$8,423 CAD

$6,030 USD

View

17 more retailers have this diamond

Prices start from $1,451 CADSave up to $6,972 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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1.88ct Heart

$1,451 CAD