Emerald|Lab Grown|IGI

2.51ct F IF Emerald Lab Grown Diamond

ID • F/IF • IGI LG776615072

Shape and cutting style on the report: Emerald cut

Certificate IGI LG776615072

Diamond specifications and retailer prices

From $653 USD

As of November 1, 2026

Save $3,847 USD (85%) vs most expensive(unlock to see where)

20 retailers carry this diamond

Most expensive: $4,500 USD at Rare Carat · As of November 1, 2026

View at Rare Carat

About this 2.51ct lab-grown emerald diamond

This 2.51ct lab-grown emerald sits in the two to three carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG776615072 or 776615072. Listed at 20 retailers as of November 1, 2026, with prices from $653 to $4,500, a $3,847 spread on the same certified stone. Rare Carat lists it at $4,500. 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 angle31.9°

Pavilion angle42.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG776615072

Dimensions8.78 × 6.35 × 4.27 mm

L/W Ratio1.38

Culet sizeLarge

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG776615072

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: $4,500 USD|Low: $502 USD|High: $4,560 USD|Avg: $1,828 USD|-1.3%

Rare Carat

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November 2, 2026

Retailer 17$653 USD

Retailer 14$710 USD

Retailer 8$731 USD

Retailer 3$757 USD

Retailer 11$788 USD

Retailer 19$935 USD

Retailer 5$1,116 USD

Retailer 2$1,211 USD

Retailer 9$1,235 USD

Retailer 15$1,798 USD

Retailer 16$1,934 USD

Retailer 4$1,954 USD

Retailer 18$1,984 USD

Retailer 10$2,129 USD

Retailer 20$2,362 USD

Retailer 6$2,583 USD

Retailer 7$2,613 USD

Retailer 12$3,003 USD

Retailer 13$3,190 USD

Rare Carat$4,500 USD

31 data points across 20 retailers

20 retailers$653 USD to $4,500 USD

Cheapest Retailer

$653 USD

Retailer 2

$710 USD

View

Retailer 3

$731 USD

View

Final sale: no returns

Retailer 4

$757 USD

View

Retailer 5

$788 USD

View

Price last confirmed 16 days ago

Retailer 6

$935 USD

View

Retailer 7

$1,116 USD

View

Retailer 8

$1,211 USD

£953 GBP

View

Retailer 9

$1,235 USD

View

Retailer 10

$1,798 USD

A$2,766 AUD

View

Retailer 11

$1,934 USD

View

Retailer 12

$1,954 USD

ZAR 31,563 ZAR

View

Retailer 13

$1,984 USD

View

B+

Retailer 14

$2,129 USD

View

B+

Retailer 15

$2,362 USD

£1,860 GBP

View

B+

Retailer 16

$2,583 USD

View

B+

Retailer 17

$2,613 USD

View

Retailer 18

$3,003 USD

A$4,620 AUD

View

Price last confirmed 24 days ago

B+

Retailer 19

$3,190 USD

£2,512 GBP

View

Most Expensive

Rare Carat

C-228_l_776615072 · Nov 1

$4,500 USD

View

19 more retailers have this diamond

Prices start from $653 USDSave up to $3,847 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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2.51ct Emerald

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