Emerald|Lab Grown|IGI

3.51ct F IF Emerald Lab Grown Diamond

ID • F/IF • IGI LG790629783

Shape and cutting style on the report: Emerald cut

Certificate IGI LG790629783

Diamond specifications and retailer prices

From $1,091 USD

As of October 31, 2026

Save $5,489 USD (83%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: $6,580 USD at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 3.51ct lab-grown emerald diamond

This 3.51ct lab-grown emerald sits in the three to five carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790629783 or 790629783. Listed at 17 retailers as of October 31, 2026, with prices from $1,091 to $6,580, a $5,489 spread on the same certified stone. Brilliant Earth lists it at $6,580. 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

3.51

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.3°

Pavilion angle42.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG790629783

Dimensions10.87 × 6.93 × 4.76 mm

L/W Ratio1.57

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 LG790629783

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 31

Current: $1,655 USD|Low: $1,091 USD|High: $4,425 USD|Avg: $2,473 USD|-5.0%

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

November 2, 2026

Retailer 2$1,091 USD

Retailer 9$1,123 USD

Retailer 12$1,340 USD

Retailer 11$1,522 USD

Retailer 1$1,655 USD

Retailer 7$1,676 USD

Retailer 4$2,125 USD

Retailer 3$2,444 USD

Retailer 14$2,627 USD

Retailer 5$2,715 USD

Retailer 8$3,200 USD

Retailer 6$3,469 USD

Retailer 10$3,945 USD

Retailer 13$4,197 USD

27 data points across 14 retailers

17 retailers$1,091 USD to $6,580 USD

Cheapest Retailer

$1,091 USD

Retailer 2

$1,123 USD

View

Final sale: no returns

Retailer 3

$1,181 USD

View

Price last confirmed 40 days ago

Retailer 4

$1,340 USD

View

Retailer 5

$1,522 USD

View

Retailer 6

$1,655 USD

View

Retailer 7

$1,676 USD

£1,320 GBP

View

Retailer 8

$2,125 USD

€2,024 EUR

View

Retailer 9

$2,444 USD

View

Retailer 10

$2,627 USD

A$4,041 AUD

View

Retailer 11

$2,715 USD

ZAR 43,865 ZAR

View

B+

Retailer 12

$3,200 USD

£2,520 GBP

View

B+

Retailer 13

$3,469 USD

View

B+

Retailer 14

$3,945 USD

£3,106 GBP

View

B+

Retailer 15

$4,197 USD

View

Retailer 16

$5,792 USD

A$8,910 AUD

View

Price last confirmed 28 days ago

Most Expensive

Brilliant Earth

18760739A · Oct 31

$6,580 USD

View

16 more retailers have this diamond

Prices start from $1,091 USDSave up to $5,489 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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3.51ct Emerald

$1,091 USD