Heart|Lab Grown|IGI

2.31ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG840632380

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840632380

Diamond specifications and retailer prices

From $1,179 USD

As of October 30, 2026

Save $5,521 USD (82%) vs most expensive(unlock to see where)

20 retailers carry this diamond

Most expensive: $6,700 USD at Brilliant Earth · As of October 30, 2026

View at Brilliant Earth

About this 2.31ct lab-grown heart diamond

This 2.31ct lab-grown heart sits in the two to three carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840632380 or 840632380. Listed at 20 retailers as of October 30, 2026, with prices from $1,179 to $6,700, a $5,521 spread on the same certified stone. Brilliant Earth lists it at $6,700. 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

2.31

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle37.2°

Pavilion angle38.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG840632380

Dimensions7.91 × 9.09 × 5.44 mm

L/W Ratio1.15

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 LG840632380

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: $6,700 USD|Low: $1,179 USD|High: $8,080 USD|Avg: $3,139 USD|-17.1%

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

Retailer 16

Retailer 17

Retailer 18

Retailer 19

Retailer 20

October 30, 2026

Retailer 6$1,179 USD

Retailer 20$1,282 USD

Retailer 11$1,355 USD

Retailer 17$1,367 USD

Retailer 2$1,509 USD

Retailer 16$1,540 USD

Retailer 12$1,572 USD

Retailer 5$1,588 USD

Retailer 13$1,983 USD

Retailer 8$2,171 USD

Retailer 19$2,361 USD

Retailer 18$2,562 USD

Retailer 9$2,694 USD

Retailer 14$3,527 USD

Retailer 7$3,923 USD

Retailer 15$4,416 USD

Retailer 10$4,780 USD

Retailer 3$4,788 USD

Retailer 4$5,179 USD

Brilliant Earth$6,700 USD

22 data points across 20 retailers

20 retailers$1,179 USD to $6,700 USD

Cheapest Retailer

$1,179 USD

Retailer 2

$1,282 USD

View

Retailer 3

$1,355 USD

View

Final sale: no returns

Retailer 4

$1,367 USD

View

Retailer 5

$1,509 USD

£1,188 GBP

View

Retailer 6

$1,540 USD

View

Retailer 7

$1,572 USD

View

Price last confirmed 17 days ago

Retailer 8

$1,588 USD

View

Retailer 9

$1,983 USD

£1,562 GBP

View

Retailer 10

$2,171 USD

View

B+

Retailer 11

$2,361 USD

View

B+

Retailer 12

$2,562 USD

View

B+

Retailer 13

$2,694 USD

View

B+

Retailer 14

$3,527 USD

ZAR 56,982 ZAR

View

B+

Retailer 15

$3,923 USD

View

B+

Retailer 16

$4,416 USD

£3,477 GBP

View

B+

Retailer 17

$4,780 USD

SGD 6,460 SGD

View

B+

Retailer 18

$4,788 USD

View

B+

Retailer 19

$5,179 USD

View

Most Expensive

Brilliant Earth

21738461A · Oct 30

$6,700 USD

View

19 more retailers have this diamond

Prices start from $1,179 USDSave up to $5,521 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.

Similar diamonds

2.31ct Heart

$1,179 USD