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Emerald|Lab Grown|IGI

1.71ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG534250926

Shape and cutting style on the report: Emerald cut

Certificate IGI LG534250926

Diamond specifications and retailer prices

From $492 NZD
$277 USD
As of October 30, 2026
Save $3,057 NZD (86%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,549 NZD at Brilliant Earth · As of October 30, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG534250926 or 534250926. Listed at 10 retailers as of October 30, 2026, with prices from $492 to $3,549, a $3,057 spread on the same certified stone. Brilliant Earth lists it at $3,549. 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
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle27.7°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG534250926
Dimensions8.05 × 5.72 × 3.77 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
8.05 mm5.72 mm1.71 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG534250926
Side View
Table 64.5%Crown 27.7°Girdle: MediumPavilion 38.2°Culet: LNGDepth 65.9%

Caratlytics Score

How it works →
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: $3,549 NZD|Low: $268 NZD|High: $4,258 NZD|Avg: $1,314 NZD|-16.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 3$268 NZD
Retailer 10$492 NZD
Retailer 11$562 NZD
Retailer 8$651 NZD
Retailer 2$747 NZD
Retailer 9$934 NZD
Retailer 5$1,341 NZD
Retailer 7$1,523 NZD
Retailer 4$1,843 NZD
Retailer 6$1,961 NZD
Brilliant Earth$3,549 NZD

21 data points across 11 retailers

10 retailers$492 NZD to $3,549 NZD

A
Cheapest Retailer
-
$492 NZD
$277 USD
B+
Retailer 2
-
$562 NZD
$317 USD
View
A
Retailer 3
-
$651 NZD
$367 USD
View
A
Retailer 4
-
$747 NZD
€401 EUR
View
A
Retailer 5
-
$934 NZD
$527 USD
View
Retailer 6
-
$1,341 NZD
$756 USD
View
Price last confirmed 11 days ago
B+
Retailer 7
-
$1,523 NZD
$859 USD
View
B
Retailer 8
-
$1,843 NZD
£818 GBP
View
B
Retailer 9
-
$3,229 NZD
$1,820 USD
View
Most Expensive
B
Brilliant Earth
16301472A · Oct 30
$3,549 NZD
$2,000 USD
View
9 more retailers have this diamond
Prices start from $492 NZDSave up to $3,057 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
$492 NZD