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 $1,039 USD

As of October 30, 2026

Save $4,255 USD (80%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: $5,294 USD at With Clarity · As of October 30, 2026

View at With Clarity

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 30, 2026, with prices from $1,039 to $5,294, a $4,255 spread on the same certified stone. With Clarity lists it at $5,294. 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

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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30

Current: $3,072 USD|Low: $902 USD|High: $6,030 USD|Avg: $2,535 USD|-24.7%

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

With Clarity

October 30, 2026

Retailer 11$1,039 USD

Retailer 12$1,125 USD

Retailer 6$1,185 USD

Retailer 8$1,434 USD

Retailer 3$1,506 USD

Retailer 14$1,671 USD

Retailer 10$1,718 USD

Retailer 9$1,767 USD

Retailer 4$2,026 USD

Retailer 1$3,072 USD

Retailer 2$3,233 USD

Retailer 13$3,508 USD

Retailer 5$3,699 USD

Retailer 7$4,460 USD

With Clarity$5,294 USD

34 data points across 15 retailers

18 retailers$1,039 USD to $5,294 USD

Retailer 1

$980 USD

Price last confirmed 28 days ago

Retailer 2

$1,039 USD

View

Final sale: no returns

Retailer 3

$1,111 USD

View

Price last confirmed 31 days ago

Retailer 4

$1,125 USD

View

Retailer 5

$1,168 USD

View

Price last confirmed 33 days ago

Retailer 6

$1,434 USD

£1,129 GBP

View

B+

Retailer 7

$1,506 USD

View

B+

Retailer 8

$1,671 USD

View

B+

Retailer 9

$1,718 USD

ZAR 27,747 ZAR

View

B+

Retailer 10

$1,767 USD

€1,683 EUR

View

B+

Retailer 11

$2,026 USD

View

Retailer 12

$2,220 USD

View

Price last confirmed 30 days ago

Retailer 13

$3,072 USD

View

Retailer 14

$3,233 USD

View

B+

Retailer 15

$3,508 USD

£2,762 GBP

View

Retailer 16

$3,699 USD

SGD 4,998 SGD

View

Retailer 17

$4,460 USD

View

Most Expensive

With Clarity

818667589 · Oct 30

$5,294 USD

View

17 more retailers have this diamond

Prices start from $1,039 USDSave up to $4,255 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.

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1.88ct Heart

$1,039 USD