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Emerald|Lab Grown|IGI

1.51ct E FL Emerald Lab Grown Diamond

ID • E/FL • IGI LG811638170

Shape and cutting style on the report: Emerald cut

Certificate IGI LG811638170

Diamond specifications and retailer prices

From $393 USD
As of October 30, 2026
Save $3,427 USD (90%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $3,820 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.51ct lab-grown emerald diamond

This 1.51ct lab-grown emerald sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811638170 or 811638170. Listed at 20 retailers as of October 29, 2026, with prices from $393 to $3,820, a $3,427 spread on the same certified stone. Brilliant Earth lists it at $3,820. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle43.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811638170
Dimensions7.68 × 5.31 × 3.61 mm
L/W Ratio1.45
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
Top View
7.68 mm5.31 mm1.51 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811638170
Side View
Table 68.0%Crown 34.8°Girdle: Slightly ThickPavilion 43.6°Culet: LargeDepth 68.0%

Caratlytics Score

How it works →
A
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: $3,820 USD|Low: $393 USD|High: $3,820 USD|Avg: $1,424 USD
Brilliant Earth
Retailer 2
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Retailer 20
October 29, 2026
Retailer 9$393 USD
Retailer 4$440 USD
Retailer 7$440 USD
Retailer 18$487 USD
Retailer 19$487 USD
Retailer 17$735 USD
Retailer 8$773 USD
Retailer 13$781 USD
Retailer 2$796 USD
Retailer 16$837 USD
Retailer 3$1,048 USD
Retailer 11$1,167 USD
Retailer 10$1,553 USD
Retailer 20$1,565 USD
Retailer 5$1,570 USD
Retailer 6$1,602 USD
Retailer 15$1,694 USD
Retailer 14$1,913 USD
Retailer 12$3,435 USD
Brilliant Earth$3,820 USD

34 data points across 20 retailers

20 retailers$393 USD to $3,820 USD

A
Cheapest Retailer
-
$393 USD
A
Retailer 2
-
$440 USD
View
Final sale: no returns
A
Retailer 3
-
$440 USD
View
A
Retailer 4
-
$487 USD
View
A
Retailer 5
-
$487 USD
View
A
Retailer 6
-
$735 USD
View
A
Retailer 7
-
$773 USD
View
A
Retailer 8
-
$781 USD
€744 EUR
View
A
Retailer 9
-
$796 USD
£627 GBP
View
A
Retailer 10
-
$837 USD
ZAR 13,519 ZAR
View
B+
Retailer 11
-
$1,048 USD
View
B+
Retailer 12
-
$1,167 USD
View
B+
Retailer 13
-
$1,553 USD
SGD 2,098 SGD
View
B+
Retailer 14
-
$1,565 USD
View
B+
Retailer 15
-
$1,570 USD
View
B+
Retailer 16
-
$1,602 USD
View
B+
Retailer 17
-
$1,694 USD
View
B+
Retailer 18
-
$1,913 USD
£1,506 GBP
View
B
Retailer 19
-
$3,435 USD
View
Most Expensive
B
Brilliant Earth
21422597A · Oct 29
$3,820 USD
View
19 more retailers have this diamond
Prices start from $393 USDSave up to $3,427 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.

A
1.51ct Emerald
$393 USD