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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 $201 USD
As of October 30, 2026
Save $1,139 USD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,340 USD 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG517213703 or 517213703. Listed at 14 retailers as of October 30, 2026, with prices from $201 to $1,340, a $1,139 spread on the same certified stone. Brilliant Earth lists it at $1,340. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,340 USD|Low: $191 USD|High: $1,910 USD|Avg: $588 USD|-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
October 31, 2026
Retailer 3$201 USD
Retailer 13$225 USD
Retailer 12$233 USD
Retailer 8$249 USD
Retailer 5$297 USD
Retailer 11$338 USD
Retailer 2$457 USD
Retailer 9$514 USD
Retailer 7$538 USD
Retailer 6$639 USD
Retailer 10$801 USD
Retailer 4$1,193 USD
Brilliant Earth$1,340 USD

45 data points across 13 retailers

14 retailers$201 USD to $1,340 USD

A
Cheapest Retailer
-
$201 USD
A
Retailer 2
-
$225 USD
View
Final sale: no returns
A
Retailer 3
-
$233 USD
View
A
Retailer 4
-
$249 USD
View
A
Retailer 5
-
$297 USD
View
B+
Retailer 6
-
$338 USD
View
A
Retailer 7
-
$457 USD
£360 GBP
View
B+
Retailer 8
-
$514 USD
View
B+
Retailer 9
-
$538 USD
€512 EUR
View
B+
Retailer 10
-
$639 USD
View
B+
Retailer 11
-
$801 USD
View
Retailer 12
-
$1,074 USD
View
Price last confirmed 75 days ago
B
Retailer 13
-
$1,193 USD
£939 GBP
View
Most Expensive
B
Brilliant Earth
11260547A · Oct 30
$1,340 USD
View
13 more retailers have this diamond
Prices start from $201 USDSave up to $1,139 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.

A
1.71ct Emerald
$201 USD