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Emerald|Lab Grown|IGI

1.71ct D SI2 Emerald Lab Grown Diamond

ID • D/SI2 • IGI LG517213703

Shape and cutting style on the report: Emerald cut

Certificate IGI LG517213703

Diamond specifications and retailer prices

From $358 NZD
As of November 6, 2026
Save $2,026 NZD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,384 NZD at Brilliant Earth · As of November 4, 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG517213703 or 517213703. Listed at 14 retailers as of November 4, 2026, with prices from $358 to $2,384, a $2,026 spread on the same certified stone. Brilliant Earth lists it at $2,384. 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

1.71
Carat
D
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29°
Pavilion angle42.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG517213703
Dimensions7.87 × 5.57 × 3.98 mm
L/W Ratio1.41
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
7.87 mm5.57 mm1.71 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG517213703
Side View
Table 61.5%Crown 29°Girdle: MediumPavilion 42.4°Culet: LNGDepth 71.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $2,384 NZD|Low: $358 NZD|High: $3,398 NZD|Avg: $1,047 NZD|-29.8%
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
November 6, 2026
Retailer 4$358 NZD
Retailer 3$400 NZD
Retailer 13$414 NZD
Retailer 9$443 NZD
Retailer 5$528 NZD
Retailer 12$601 NZD
Retailer 2$804 NZD
Retailer 10$914 NZD
Retailer 8$955 NZD
Retailer 7$1,153 NZD
Retailer 11$1,425 NZD
Retailer 6$2,067 NZD
Brilliant Earth$2,384 NZD

46 data points across 13 retailers

14 retailers$358 NZD to $2,384 NZD

A
Cheapest Retailer
-
$358 NZD
A
Retailer 2
-
$400 NZD
View
Final sale: no returns
A
Retailer 3
-
$414 NZD
View
A
Retailer 4
-
$443 NZD
View
Retailer 5
-
$528 NZD
View
Price last confirmed 12 days ago
B+
Retailer 6
-
$601 NZD
View
A
Retailer 7
-
$804 NZD
View
B+
Retailer 8
-
$914 NZD
View
Retailer 9
-
$955 NZD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$1,153 NZD
View
B+
Retailer 11
-
$1,425 NZD
View
Retailer 12
-
$1,909 NZD
View
Price last confirmed 81 days ago
B
Retailer 13
-
$2,067 NZD
View
Most Expensive
B
Brilliant Earth
11260547A · Nov 4
$2,384 NZD
$1,340 USD
View
13 more retailers have this diamond
Prices start from $358 NZDSave up to $2,026 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
$358 NZD