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Emerald|Lab Grown|IGI

1.56ct G SI1 Emerald Lab Grown Diamond

EX • G/SI1 • IGI LG605305730

Shape and cutting style on the report: Emerald cut

Certificate IGI LG605305730

Diamond specifications and retailer prices

From $426 NZD
$240 USD
As of October 30, 2026
Save $2,573 NZD (86%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,999 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG605305730 or 605305730. Listed at 15 retailers as of October 30, 2026, with prices from $426 to $2,999, a $2,573 spread on the same certified stone. Brilliant Earth lists it at $2,999. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.56
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605305730
Dimensions8.37 × 5.37 × 3.46 mm
L/W Ratio1.56
Culet sizeLong
Top View
8.37 mm5.37 mm1.56 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605305730
Side View
Table 67.0%Crown 35.1°Girdle: MED-STKPavilion 39.9°Culet: LNGDepth 64.4%

Caratlytics Score

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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: $2,999 NZD|Low: $408 NZD|High: $3,087 NZD|Avg: $1,203 NZD|-2.9%
Brilliant Earth
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
November 1, 2026
Retailer 8$426 NZD
Retailer 3$474 NZD
Retailer 12$493 NZD
Retailer 5$529 NZD
Retailer 10$529 NZD
Retailer 9$877 NZD
Retailer 14$891 NZD
Retailer 7$1,000 NZD
Retailer 6$1,109 NZD
Retailer 13$1,329 NZD
Retailer 11$1,698 NZD
Retailer 2$2,116 NZD
Retailer 4$2,344 NZD
Brilliant Earth$2,999 NZD

42 data points across 14 retailers

15 retailers$426 NZD to $2,999 NZD

A
Cheapest Retailer
-
$426 NZD
$240 USD
A
Retailer 2
-
$474 NZD
$267 USD
View
Final sale: no returns
A
Retailer 3
-
$493 NZD
$278 USD
View
Retailer 4
-
$529 NZD
$298 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
$529 NZD
$298 USD
View
A
Retailer 6
-
$877 NZD
€471 EUR
View
B+
Retailer 7
-
$891 NZD
$502 USD
View
B+
Retailer 8
-
$1,000 NZD
£444 GBP
View
B+
Retailer 9
-
$1,109 NZD
$625 USD
View
B+
Retailer 10
-
$1,329 NZD
$749 USD
View
B
Retailer 11
-
$1,698 NZD
$957 USD
View
B
Retailer 12
-
$1,790 NZD
$1,009 USD
View
B
Retailer 13
-
$2,116 NZD
£939 GBP
View
B
Retailer 14
-
$2,344 NZD
$1,321 USD
View
Most Expensive
B
Brilliant Earth
20602264A · Oct 31
$2,999 NZD
$1,690 USD
View
14 more retailers have this diamond
Prices start from $426 NZDSave up to $2,573 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
$426 NZD