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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 €248 EUR
$277 USD
As of October 30, 2026
Save €1,542 EUR (86%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €1,790 EUR 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 €248 to €1,790, a €1,542 spread on the same certified stone. Brilliant Earth 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

1.71
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: €1,790 EUR|Low: €135 EUR|High: €2,148 EUR|Avg: €663 EUR|-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€135 EUR
Retailer 10€248 EUR
Retailer 11€284 EUR
Retailer 8€328 EUR
Retailer 2€377 EUR
Retailer 9€471 EUR
Retailer 5€677 EUR
Retailer 7€769 EUR
Retailer 4€930 EUR
Retailer 6€989 EUR
Brilliant Earth€1,790 EUR

21 data points across 11 retailers

10 retailers€248 EUR to €1,790 EUR

A
Cheapest Retailer
-
€248 EUR
$277 USD
B+
Retailer 2
-
€284 EUR
$317 USD
View
A
Retailer 3
-
€328 EUR
$367 USD
View
A
Retailer 4
-
€377 EUR
View
A
Retailer 5
-
€471 EUR
$527 USD
View
Retailer 6
-
€677 EUR
$756 USD
View
Price last confirmed 11 days ago
B+
Retailer 7
-
€769 EUR
$859 USD
View
B
Retailer 8
-
€930 EUR
£818 GBP
View
B
Retailer 9
-
€1,629 EUR
$1,820 USD
View
Most Expensive
B
Brilliant Earth
16301472A · Oct 30
€1,790 EUR
$2,000 USD
View
9 more retailers have this diamond
Prices start from €248 EURSave up to €1,542 EUR

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
€248 EUR