Heart|Lab Grown|IGI

1.55ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG831697224

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG831697224

Diamond specifications and retailer prices

From $1,016 USD

As of November 1, 2026

Save $3,964 USD (80%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: $4,980 USD at Brilliant Earth · As of November 2, 2026

View at Brilliant Earth

About this 1.55ct lab-grown heart diamond

This 1.55ct 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 LG831697224 or 831697224. Listed at 14 retailers as of November 1, 2026, with prices from $1,016 to $4,980, a $3,964 spread on the same certified stone. Brilliant Earth lists it at $4,980. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.9°

Pavilion angle37.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG831697224

Dimensions8.05 × 7.11 × 4.62 mm

L/W Ratio1.13

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 LG831697224

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: Nov 1

Current: $4,980 USD|Low: $1,016 USD|High: $4,980 USD|Avg: $2,436 USD

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

November 2, 2026

Retailer 12$1,016 USD

Retailer 2$1,192 USD

Retailer 8$1,205 USD

Retailer 14$1,265 USD

Retailer 6$1,585 USD

Retailer 7$1,623 USD

Retailer 11$1,938 USD

Retailer 9$2,118 USD

Retailer 4$2,703 USD

Retailer 3$3,128 USD

Retailer 13$3,455 USD

Retailer 10$3,594 USD

Retailer 5$3,663 USD

Brilliant Earth$4,980 USD

8 data points across 14 retailers

14 retailers$1,016 USD to $4,980 USD

Cheapest Retailer

$1,016 USD

Final sale: no returns

Retailer 2

$1,192 USD

£938 GBP

View

Retailer 3

$1,205 USD

View

B+

Retailer 4

$1,265 USD

View

B+

Retailer 5

$1,585 USD

View

B+

Retailer 6

$1,623 USD

£1,278 GBP

View

B+

Retailer 7

$1,938 USD

ZAR 31,304 ZAR

View

B+

Retailer 8

$2,118 USD

View

Retailer 9

$2,703 USD

View

Retailer 10

$3,128 USD

View

Retailer 11

$3,455 USD

View

Retailer 12

$3,594 USD

£2,830 GBP

View

Retailer 13

$3,663 USD

View

Most Expensive

Brilliant Earth

22318941A · Nov 2

$4,980 USD

View

13 more retailers have this diamond

Prices start from $1,016 USDSave up to $3,964 USD

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.

Where to buy this spec

See every retailer carrying 1.55ct D FL heart lab-grown

Ranked by inventory count, with return policy, certs, and trust signals.

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