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Emerald|Lab Grown|IGI

1.59ct H SI1 Emerald Lab Grown Diamond

EX • H/SI1 • IGI LG605332820

Shape and cutting style on the report: Emerald cut

Certificate IGI LG605332820

Diamond specifications and retailer prices

From $484 NZD
$273 USD
As of November 1, 2026
Save $2,354 NZD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,839 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.59ct lab-grown emerald diamond

This 1.59ct lab-grown emerald sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG605332820 or 605332820. Listed at 15 retailers as of October 31, 2026, with prices from $484 to $2,839, a $2,354 spread on the same certified stone. Brilliant Earth lists it at $2,839. 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

1.59
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605332820
Dimensions7.83 × 5.43 × 3.73 mm
L/W Ratio1.44
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.83 mm5.43 mm1.59 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605332820
Side View
Table 63.0%Crown 35.1°Girdle: Slightly ThickPavilion 40.9°Culet: LNGDepth 68.7%

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 1
Current: $2,839 NZD|Low: $415 NZD|High: $2,910 NZD|Avg: $1,304 NZD|-2.4%
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 9$433 NZD
Retailer 14$484 NZD
Retailer 10$538 NZD
Retailer 12$538 NZD
Retailer 4$856 NZD
Retailer 7$894 NZD
Retailer 11$901 NZD
Retailer 13$1,120 NZD
Retailer 8$1,354 NZD
Retailer 5$1,426 NZD
Retailer 6$1,818 NZD
Retailer 2$2,152 NZD
Retailer 3$2,368 NZD
Brilliant Earth$2,839 NZD

23 data points across 14 retailers

15 retailers$484 NZD to $2,839 NZD

Retailer 1
-
$433 NZD
$244 USD
Price last confirmed 12 days ago
A
Retailer 2
-
$484 NZD
$273 USD
View
Final sale: no returns
Retailer 3
-
$502 NZD
$283 USD
View
Price last confirmed 13 days ago
Retailer 4
-
$538 NZD
$303 USD
View
Price last confirmed 11 days ago
Retailer 5
-
$538 NZD
$303 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
$894 NZD
€480 EUR
View
A
Retailer 7
-
$901 NZD
$508 USD
View
B+
Retailer 8
-
$1,120 NZD
$631 USD
View
B+
Retailer 9
-
$1,354 NZD
$763 USD
View
Retailer 10
-
$1,576 NZD
$888 USD
View
Price last confirmed 19 days ago
Retailer 11
-
$1,726 NZD
$973 USD
View
Price last confirmed 11 days ago
B+
Retailer 12
-
$1,818 NZD
$1,025 USD
View
B+
Retailer 13
-
$2,152 NZD
£955 GBP
View
B+
Retailer 14
-
$2,368 NZD
$1,334 USD
View
Most Expensive
B
Brilliant Earth
20602399A · Oct 31
$2,839 NZD
$1,600 USD
View
14 more retailers have this diamond
Prices start from $484 NZDSave up to $2,354 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
1.59ct Emerald
$484 NZD