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Emerald|Lab Grown|IGI

1.57ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG570361097

Shape and cutting style on the report: Emerald cut

Certificate IGI LG570361097

Diamond specifications and retailer prices

From $347 NZD
$195 USD
As of October 21, 2026
7 retailers carry this diamond
Most expensive: $1,959 NZD at Brilliant Earth · As of October 21, 2026
View at Brilliant Earth

About this 1.57ct lab-grown emerald diamond

This 1.57ct lab-grown emerald sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG570361097 or 570361097. Listed at 7 retailers as of October 21, 2026. 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

1.57
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG570361097
Dimensions7.93 × 5.34 × 3.62 mm
L/W Ratio1.49
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
7.93 mm5.34 mm1.57 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG570361097
Side View
Table 64.0%Crown 34.5°Girdle: MED-STKPavilion 35.7°Culet: LNGDepth 67.8%

Caratlytics Score

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Oct 21
Current: $1,959 NZD|Low: $333 NZD|High: $3,330 NZD|Avg: $1,384 NZD|-3.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 16, 2026
Retailer 4$347 NZD
Retailer 9$388 NZD
Retailer 8$402 NZD
Retailer 5$751 NZD
Retailer 2$1,389 NZD
Retailer 6$1,488 NZD
Retailer 7$1,528 NZD
Retailer 3$1,927 NZD
Brilliant Earth$1,959 NZD
Retailer 10$3,330 NZD

15 data points across 10 retailers

7 retailers$347 NZD to $1,959 NZD

Retailer 1
-
$347 NZD
$195 USD
Price last confirmed 8 days ago
Retailer 2
-
$402 NZD
$226 USD
View
Price last confirmed 9 days ago
Retailer 3
-
$751 NZD
$422 USD
View
Price last confirmed 9 days ago
Retailer 4
-
$1,389 NZD
$780 USD
View
Price last confirmed 7 days ago
Retailer 5
-
$1,528 NZD
$858 USD
View
Price last confirmed 11 days ago
Retailer 6
-
$1,927 NZD
£852 GBP
View
Price last confirmed 18 days ago
Most Expensive
Brilliant Earth
6920319Y · Oct 21
$1,959 NZD
$1,100 USD
View
Price last confirmed 8 days ago
6 more retailers have this diamond

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.

1.57ct Emerald
$347 NZD