Emerald|Lab Grown|IGI

1.59ct E SI1 Emerald Lab Grown Diamond

EX • E/SI1 • IGI LG645471091

Shape and cutting style on the report: Emerald cut

Certificate IGI LG645471091

Diamond specifications and retailer prices

From $186 USD
As of October 30, 2026
Save $1,604 USD (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,790 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG645471091 or 645471091. Listed at 11 retailers as of October 29, 2026, with prices from $186 to $1,790, a $1,604 spread on the same certified stone. Do Amore Diamonds lists it at $1,790. 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
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG645471091
Dimensions7.99 × 5.50 × 3.78 mm
L/W Ratio1.45
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.99 mm5.50 mm1.59 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645471091
Side View
Table 65.0%Crown 33.8°Girdle: Slightly ThickPavilion 40.2°Culet: LNGDepth 68.7%

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: $1,790 USD|Low: $216 USD|High: $12,084 USD|Avg: $2,273 USD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 8$216 USD
Retailer 7$231 USD
Retailer 11$312 USD
Retailer 9$414 USD
Retailer 2$469 USD
Retailer 10$518 USD
Retailer 6$745 USD
Retailer 5$1,199 USD
Do Amore Diamonds$1,790 USD
Retailer 4$1,930 USD
Retailer 12$5,751 USD
Retailer 3$12,084 USD

44 data points across 12 retailers

11 retailers$186 USD to $1,790 USD

A
Cheapest Retailer
-
$186 USD
A
Retailer 2
-
$216 USD
View
A
Retailer 3
-
$231 USD
View
A
Retailer 4
-
$231 USD
View
B+
Retailer 5
-
$312 USD
View
A
Retailer 6
-
$469 USD
£370 GBP
View
B+
Retailer 7
-
$518 USD
View
B
Retailer 8
-
$745 USD
View
B
Retailer 9
-
$820 USD
View
B
Retailer 10
-
$1,199 USD
£944 GBP
View
Most Expensive
B
Do Amore Diamonds
27-E5F8C7ABF · Oct 29
$1,790 USD
View
10 more retailers have this diamond
Prices start from $186 USDSave up to $1,604 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
1.59ct Emerald
$186 USD