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Emerald|Lab Grown|IGI

1.51ct E FL Emerald Lab Grown Diamond

ID • E/FL • IGI LG818654288

Shape and cutting style on the report: Emerald cut

Certificate IGI LG818654288

Diamond specifications and retailer prices

From $404 USD
As of October 27, 2026
Save $3,416 USD (89%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $3,820 USD at Brilliant Earth · As of October 28, 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 LG818654288 or 818654288. Listed at 20 retailers as of October 27, 2026, with prices from $404 to $3,820, a $3,416 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 angle32.7°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818654288
Dimensions7.81 × 5.34 × 3.53 mm
L/W Ratio1.46
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
7.81 mm5.34 mm1.51 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818654288
Side View
Table 63.0%Crown 32.7°Girdle: MED-STKPavilion 39.2°Culet: LargeDepth 66.1%

Caratlytics Score

How it works →
A
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: $3,820 USD|Low: $404 USD|High: $3,820 USD|Avg: $1,457 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
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Retailer 19
Retailer 20
October 29, 2026
Retailer 9$404 USD
Retailer 5$453 USD
Retailer 6$453 USD
Retailer 17$501 USD
Retailer 18$501 USD
Retailer 16$650 USD
Retailer 8$793 USD
Retailer 2$802 USD
Retailer 15$818 USD
Retailer 14$861 USD
Retailer 3$1,052 USD
Retailer 11$1,208 USD
Retailer 10$1,593 USD
Retailer 20$1,611 USD
Retailer 7$1,619 USD
Retailer 4$1,646 USD
Retailer 13$1,743 USD
Retailer 19$1,961 USD
Retailer 12$3,435 USD
Brilliant Earth$3,820 USD

33 data points across 20 retailers

20 retailers$404 USD to $3,820 USD

A
Cheapest Retailer
-
$404 USD
A
Retailer 2
-
$453 USD
View
A
Retailer 3
-
$453 USD
View
Final sale: no returns
A
Retailer 4
-
$501 USD
View
A
Retailer 5
-
$501 USD
View
A
Retailer 6
-
$650 USD
View
A
Retailer 7
-
$793 USD
View
A
Retailer 8
-
$802 USD
€764 EUR
View
A
Retailer 9
-
$818 USD
£644 GBP
View
A
Retailer 10
-
$861 USD
ZAR 13,911 ZAR
View
B+
Retailer 11
-
$1,052 USD
View
B+
Retailer 12
-
$1,208 USD
View
B+
Retailer 13
-
$1,593 USD
SGD 2,153 SGD
View
B+
Retailer 14
-
$1,611 USD
View
B+
Retailer 15
-
$1,619 USD
View
B+
Retailer 16
-
$1,646 USD
View
B+
Retailer 17
-
$1,743 USD
View
B+
Retailer 18
-
$1,961 USD
£1,544 GBP
View
B
Retailer 19
-
$3,435 USD
View
Most Expensive
B
Brilliant Earth
21434190A · Oct 28
$3,820 USD
View
19 more retailers have this diamond
Prices start from $404 USDSave up to $3,416 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
$404 USD