Heart|Lab Grown|IGI

2.51ct E FL Heart Lab Grown Diamond

ID • E/FL • IGI LG825665156

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG825665156

Diamond specifications and retailer prices

From $1,240 USD

As of October 27, 2026

Save $7,500 USD (86%) vs most expensive(unlock to see where)

19 retailers carry this diamond

Most expensive: $8,740 USD at Brilliant Earth · As of October 28, 2026

View at Brilliant Earth

About this 2.51ct lab-grown heart diamond

This 2.51ct lab-grown heart sits in the two to three carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825665156 or 825665156. Listed at 19 retailers as of October 27, 2026, with prices from $1,240 to $8,740, a $7,500 spread on the same certified stone. Brilliant Earth lists it at $8,740. 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

2.51

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.3°

Pavilion angle38.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG825665156

Dimensions9.30 × 8.35 × 5.42 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 LG825665156

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 27

Current: $8,740 USD|Low: $1,240 USD|High: $8,770 USD|Avg: $3,920 USD|-0.3%

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

October 29, 2026

Retailer 6$1,240 USD

Retailer 18$1,349 USD

Retailer 3$1,404 USD

Retailer 15$1,439 USD

Retailer 14$1,610 USD

Retailer 5$1,663 USD

Retailer 2$2,026 USD

Retailer 11$2,098 USD

Retailer 8$2,279 USD

Retailer 9$2,510 USD

Retailer 17$2,689 USD

Retailer 16$2,697 USD

Retailer 12$3,712 USD

Retailer 7$3,947 USD

Retailer 13$4,647 USD

Retailer 10$4,949 USD

Retailer 19$5,046 USD

Retailer 4$5,366 USD

Brilliant Earth$8,740 USD

33 data points across 19 retailers

19 retailers$1,240 USD to $8,740 USD

Cheapest Retailer

$1,240 USD

Retailer 2

$1,349 USD

View

Retailer 3

$1,404 USD

View

Final sale: no returns

Retailer 4

$1,439 USD

View

Retailer 5

$1,610 USD

View

Retailer 6

$1,663 USD

View

Retailer 7

$2,026 USD

£1,596 GBP

View

Retailer 8

$2,098 USD

View

Price last confirmed 17 days ago

Retailer 9

$2,279 USD

View

Retailer 10

$2,510 USD

View

B+

Retailer 11

$2,689 USD

View

B+

Retailer 12

$2,697 USD

View

B+

Retailer 13

$3,712 USD

ZAR 59,967 ZAR

View

B+

Retailer 14

$3,947 USD

View

B+

Retailer 15

$4,647 USD

£3,659 GBP

View

B+

Retailer 16

$4,949 USD

SGD 6,688 SGD

View

B+

Retailer 17

$5,046 USD

View

B+

Retailer 18

$5,366 USD

View

Most Expensive

Brilliant Earth

21434106A · Oct 28

$8,740 USD

View

18 more retailers have this diamond

Prices start from $1,240 USDSave up to $7,500 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

2.51ct Heart

$1,240 USD