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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 $409 NZD
As of November 4, 2026
Save $2,482 NZD (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,891 NZD 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 $409 to $2,891, a $2,482 spread on the same certified stone. Rare Carat lists it at $2,891. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $2,891 NZD|Low: $409 NZD|High: $2,935 NZD|Avg: $1,285 NZD|-1.5%
Rare Carat
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 5, 2026
Retailer 13$409 NZD
Retailer 9$459 NZD
Retailer 15$475 NZD
Retailer 5$509 NZD
Retailer 12$509 NZD
Retailer 7$861 NZD
Retailer 17$877 NZD
Retailer 2$941 NZD
Retailer 6$1,094 NZD
Retailer 16$1,187 NZD
Retailer 14$1,633 NZD
Retailer 3$1,638 NZD
Retailer 4$1,726 NZD
Retailer 8$1,850 NZD
Retailer 11$2,030 NZD
Retailer 18$2,067 NZD
Retailer 10$2,263 NZD
Rare Carat$2,891 NZD

38 data points across 18 retailers

18 retailers$409 NZD to $2,891 NZD

A
Cheapest Retailer
-
$409 NZD
A
Retailer 2
-
$459 NZD
View
Final sale: no returns
A
Retailer 3
-
$475 NZD
View
Retailer 4
-
$509 NZD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$509 NZD
View
A
Retailer 6
-
$861 NZD
View
A
Retailer 7
-
$877 NZD
View
A
Retailer 8
-
$941 NZD
View
A
Retailer 9
-
$1,094 NZD
View
A
Retailer 10
-
$1,187 NZD
View
A
Retailer 11
-
$1,633 NZD
View
B+
Retailer 12
-
$1,638 NZD
View
B+
Retailer 13
-
$1,726 NZD
View
B+
Retailer 14
-
$1,850 NZD
View
B+
Retailer 15
-
$2,030 NZD
View
B+
Retailer 16
-
$2,067 NZD
View
Retailer 17
-
$2,263 NZD
View
Price last confirmed 31 days ago
Most Expensive
B
Rare Carat
C-291_l_780618079 · Nov 1
$2,891 NZD
$1,625 USD
View
17 more retailers have this diamond
Prices start from $409 NZDSave up to $2,482 NZD

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
$409 NZD