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Emerald|Lab Grown|IGI

1.71ct E SI1 Emerald Lab Grown Diamond

VG • E/SI1 • IGI LG594313064

Shape and cutting style on the report: Emerald cut

Certificate IGI LG594313064

Diamond specifications and retailer prices

From $499 USD
As of October 28, 2026
Save $809 USD (62%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,308 USD at MOH London · As of October 26, 2026
View at MOH London

About this 1.71ct lab-grown emerald diamond

This 1.71ct 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 very-good cut grade and certified by IGI LG594313064 or 594313064. Listed at 5 retailers as of October 26, 2026, with prices from $499 to $1,308, a $809 spread on the same certified stone. MOH London lists it at $1,308. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.71
Carat
E
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG594313064
Dimensions7.98 × 5.58 × 3.89 mm
L/W Ratio1.43
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment.
Top View
7.98 mm5.58 mm1.71 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG594313064
Side View
Table 59.0%Crown 38.1°Girdle: Slightly ThickPavilion 41.7°Culet: LNGDepth 69.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $1,308 USD|Low: $474 USD|High: $2,751 USD|Avg: $1,123 USD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 4$499 USD
Retailer 5$554 USD
Retailer 2$622 USD
Retailer 3$1,070 USD
MOH London$1,308 USD
Retailer 6$2,751 USD

40 data points across 6 retailers

5 retailers$499 USD to $1,308 USD

B+
Cheapest Retailer
-
$499 USD
B+
Retailer 2
-
$554 USD
View
B+
Retailer 3
-
$622 USD
£490 GBP
View
B
Retailer 4
-
$1,070 USD
View
Price last confirmed 11 days ago
Most Expensive
B
MOH London
LG594313064 · Oct 26
$1,308 USD
£1,030 GBP
View
4 more retailers have this diamond
Prices start from $499 USDSave up to $809 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.

B+
1.71ct Emerald
$499 USD