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Emerald|Lab Grown|IGI

1.71ct E SI1 Emerald Lab Grown Diamond

GD • E/SI1 • IGI LG508141059

Shape and cutting style on the report: Emerald cut

Certificate IGI LG508141059

Diamond specifications and retailer prices

From $344 NZD
$193 USD
As of October 27, 2026
Save $2,096 NZD (86%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,439 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 standard cut grade and certified by IGI LG508141059 or 508141059. Listed at 15 retailers as of October 27, 2026, with prices from $344 to $2,439, a $2,096 spread on the same certified stone. Brilliant Earth lists it at $2,439. 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
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle28.4°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508141059
Dimensions7.91 × 5.59 × 3.79 mm
L/W Ratio1.42
Culet sizeLong
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.91 mm5.59 mm1.71 ctE / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508141059
Side View
Table 62.5%Crown 28.4°Girdle: Slightly ThickPavilion 38.2°Culet: LNGDepth 67.8%

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 27
Current: $2,439 NZD|Low: $344 NZD|High: $2,671 NZD|Avg: $1,184 NZD|-8.7%
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
Retailer 15
October 29, 2026
Retailer 3$344 NZD
Retailer 14$385 NZD
Retailer 13$399 NZD
Retailer 9$427 NZD
Retailer 7$534 NZD
Retailer 12$573 NZD
Retailer 2$775 NZD
Retailer 10$899 NZD
Retailer 8$965 NZD
Retailer 6$1,339 NZD
Retailer 11$1,371 NZD
Retailer 15$1,467 NZD
Retailer 5$1,967 NZD
Retailer 4$2,155 NZD
Brilliant Earth$2,439 NZD

44 data points across 15 retailers

15 retailers$344 NZD to $2,439 NZD

A
Cheapest Retailer
-
$344 NZD
$193 USD
B+
Retailer 2
-
$385 NZD
$216 USD
View
Final sale: no returns
B+
Retailer 3
-
$399 NZD
$224 USD
View
A
Retailer 4
-
$427 NZD
$240 USD
View
B+
Retailer 5
-
$534 NZD
$300 USD
View
B
Retailer 6
-
$573 NZD
$322 USD
View
B+
Retailer 7
-
$775 NZD
£343 GBP
View
B+
Retailer 8
-
$899 NZD
$505 USD
View
B+
Retailer 9
-
$965 NZD
€516 EUR
View
B
Retailer 10
-
$1,339 NZD
$752 USD
View
B
Retailer 11
-
$1,371 NZD
$770 USD
View
B
Retailer 12
-
$1,467 NZD
$824 USD
View
Retailer 13
-
$1,967 NZD
$1,105 USD
View
Price last confirmed 11 days ago
Retailer 14
-
$2,155 NZD
£953 GBP
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
11238343A · Oct 29
$2,439 NZD
$1,370 USD
View
14 more retailers have this diamond
Prices start from $344 NZDSave up to $2,096 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
1.71ct Emerald
$344 NZD