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Emerald|Lab Grown|IGI

1.56ct F IF Emerald Lab Grown Diamond

ID • F/IF • IGI LG780618079

Shape and cutting style on the report: Emerald cut

Certificate IGI LG780618079

Diamond specifications and retailer prices

From $230 USD
As of November 4, 2026
Save $1,395 USD (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,625 USD at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 1.56ct lab-grown emerald diamond

This 1.56ct lab-grown emerald sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780618079 or 780618079. Listed at 18 retailers as of November 1, 2026, with prices from $230 to $1,625, a $1,395 spread on the same certified stone. Rare Carat lists it at $1,625. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780618079
Dimensions8.42 × 5.25 × 3.35 mm
L/W Ratio1.60
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.42 mm5.25 mm1.56 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780618079
Side View
Table 62.0%Crown 33.3°Girdle: MED-STKPavilion 38.3°Culet: LargeDepth 63.8%

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: Nov 4
Current: $1,625 USD|Low: $230 USD|High: $1,650 USD|Avg: $722 USD|-1.5%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
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Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 18
November 5, 2026
Retailer 13$230 USD
Retailer 9$258 USD
Retailer 15$267 USD
Retailer 5$286 USD
Retailer 12$286 USD
Retailer 7$484 USD
Retailer 17$493 USD
Retailer 2$529 USD
Retailer 6$615 USD
Retailer 16$667 USD
Retailer 14$918 USD
Retailer 3$921 USD
Retailer 4$970 USD
Retailer 8$1,040 USD
Retailer 11$1,141 USD
Retailer 18$1,162 USD
Retailer 10$1,272 USD
Rare Carat$1,625 USD

38 data points across 18 retailers

18 retailers$230 USD to $1,625 USD

A
Cheapest Retailer
-
$230 USD
A
Retailer 2
-
$258 USD
View
Final sale: no returns
A
Retailer 3
-
$267 USD
View
Retailer 4
-
$286 USD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$286 USD
View
A
Retailer 6
-
$484 USD
View
A
Retailer 7
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$493 USD
View
A
Retailer 8
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$529 USD
View
A
Retailer 9
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$615 USD
View
A
Retailer 10
-
$667 USD
View
A
Retailer 11
-
$918 USD
View
B+
Retailer 12
-
$921 USD
View
B+
Retailer 13
-
$970 USD
View
B+
Retailer 14
-
$1,040 USD
View
B+
Retailer 15
-
$1,141 USD
View
B+
Retailer 16
-
$1,162 USD
View
Retailer 17
-
$1,272 USD
View
Price last confirmed 31 days ago
Most Expensive
B
Rare Carat
C-291_l_780618079 · Nov 1
$1,625 USD
View
17 more retailers have this diamond
Prices start from $230 USDSave up to $1,395 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
1.56ct Emerald
$230 USD