Heart|Lab Grown|IGI

1.71ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG749573318

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG749573318

Diamond specifications and retailer prices

From $1,013 CAD

$725 USD

As of October 30, 2026

Save $4,659 CAD (82%) vs most expensive(unlock to see where)

20 retailers carry this diamond

Most expensive: $5,671 CAD at Brilliant Earth · As of October 30, 2026

View at Brilliant Earth

About this 1.71ct lab-grown heart diamond

This 1.71ct 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 LG749573318 or 749573318. Listed at 20 retailers as of October 30, 2026, with prices from $1,013 to $5,671, a $4,659 spread on the same certified stone. Brilliant Earth lists it at $5,671. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33.6°

Pavilion angle37°

OriginLab Grown

Grading LabIGI

CertificateIGI LG749573318

Dimensions7.50 × 8.43 × 4.66 mm

L/W Ratio1.12

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 LG749573318

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 30

Current: $5,671 CAD|Low: $1,013 CAD|High: $7,655 CAD|Avg: $2,839 CAD|-25.9%

Brilliant Earth

Retailer 2

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Retailer 19

October 30, 2026

Retailer 7$1,013 CAD

Retailer 5$1,102 CAD

Retailer 17$1,175 CAD

Retailer 10$1,201 CAD

Retailer 14$1,307 CAD

Retailer 18$1,425 CAD

Retailer 6$1,520 CAD

Retailer 2$1,880 CAD

Retailer 15$1,905 CAD

Retailer 4$1,964 CAD

Retailer 13$2,159 CAD

Retailer 8$2,637 CAD

Retailer 19$3,302 CAD

Retailer 12$3,881 CAD

Retailer 16$4,049 CAD

Retailer 3$4,618 CAD

Retailer 9$4,680 CAD

Retailer 11$4,998 CAD

Brilliant Earth$5,671 CAD

28 data points across 19 retailers

20 retailers$1,013 CAD to $5,671 CAD

Cheapest Retailer

$1,013 CAD

$725 USD

Retailer 2

$1,102 CAD

$789 USD

View

Retailer 3

$1,175 CAD

$841 USD

View

Retailer 4

$1,201 CAD

$860 USD

View

Price last confirmed 13 days ago

Retailer 5

$1,307 CAD

$936 USD

View

Final sale: no returns

Retailer 6

$1,425 CAD

$1,020 USD

View

Retailer 7

$1,520 CAD

$1,088 USD

View

Retailer 8

$1,880 CAD

£1,060 GBP

View

B+

Retailer 9

$1,905 CAD

$1,364 USD

View

B+

Retailer 10

$1,964 CAD

$1,406 USD

View

B+

Retailer 11

$2,159 CAD

ZAR 24,969 ZAR

View

B+

Retailer 12

$2,637 CAD

$1,888 USD

View

B+

Retailer 13

$3,302 CAD

$2,364 USD

View

Retailer 14

$3,881 CAD

$2,778 USD

View

B+

Retailer 15

$4,006 CAD

$2,868 USD

View

B+

Retailer 16

$4,049 CAD

$2,899 USD

View

Retailer 17

$4,618 CAD

£2,603 GBP

View

Retailer 18

$4,680 CAD

SGD 4,527 SGD

View

Retailer 19

$4,998 CAD

$3,578 USD

View

Most Expensive

Brilliant Earth

21417283A · Oct 30

$5,671 CAD

$4,060 USD

View

19 more retailers have this diamond

Prices start from $1,013 CADSave up to $4,659 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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1.71ct Heart

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