Emerald|Lab Grown|IGI

1.78ct D FL Emerald Lab Grown Diamond

ID • D/FL • IGI LG840634464

Shape and cutting style on the report: Emerald cut

Certificate IGI LG840634464

Diamond specifications and retailer prices

From $471 USD

As of October 30, 2026

Save $3,874 USD (89%) vs most expensive(unlock to see where)

20 retailers carry this diamond

Most expensive: $4,345 USD at Rare Carat · As of October 28, 2026

View at Rare Carat

About this 1.78ct lab-grown emerald diamond

This 1.78ct lab-grown emerald 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 LG840634464 or 840634464. Listed at 20 retailers as of October 28, 2026, with prices from $471 to $4,345, a $3,874 spread on the same certified stone. Rare Carat lists it at $4,345. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.78

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33.4°

Pavilion angle38.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG840634464

Dimensions8.06 × 5.76 × 3.91 mm

L/W Ratio1.40

Culet sizeLarge

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 LG840634464

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: $4,345 USD|Low: $471 USD|High: $4,345 USD|Avg: $1,585 USD

Rare Carat

Retailer 2

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October 30, 2026

Retailer 10$471 USD

Retailer 5$528 USD

Retailer 6$528 USD

Retailer 19$584 USD

Retailer 8$830 USD

Retailer 17$885 USD

Retailer 14$894 USD

Retailer 9$913 USD

Retailer 13$969 USD

Retailer 16$1,004 USD

Retailer 3$1,416 USD

Retailer 18$1,571 USD

Retailer 11$1,855 USD

Retailer 20$1,879 USD

Retailer 4$1,908 USD

Retailer 2$2,053 USD

Retailer 15$2,159 USD

Retailer 7$2,545 USD

Retailer 12$3,431 USD

Rare Carat$4,345 USD

12 data points across 20 retailers

20 retailers$471 USD to $4,345 USD

Cheapest Retailer

$471 USD

Retailer 2

$528 USD

View

Final sale: no returns

Retailer 3

$528 USD

View

Retailer 4

$584 USD

View

Retailer 5

$830 USD

View

Retailer 6

$885 USD

View

Retailer 7

$894 USD

€851 EUR

View

Retailer 8

$913 USD

View

Retailer 9

$969 USD

£763 GBP

View

Retailer 10

$1,004 USD

ZAR 16,226 ZAR

View

B+

Retailer 11

$1,416 USD

View

B+

Retailer 12

$1,571 USD

View

B+

Retailer 13

$1,855 USD

SGD 2,507 SGD

View

Retailer 14

$1,879 USD

View

B+

Retailer 15

$1,908 USD

View

B+

Retailer 16

$2,053 USD

View

B+

Retailer 17

$2,159 USD

£1,700 GBP

View

B+

Retailer 18

$2,545 USD

View

Retailer 19

$3,431 USD

View

Most Expensive

Rare Carat

PE-254688 · Oct 28

$4,345 USD

View

19 more retailers have this diamond

Prices start from $471 USDSave up to $3,874 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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1.78ct Emerald

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