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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 $277 USD
As of October 28, 2026
Save $2,033 USD (88%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,310 USD at Brilliant Earth · As of October 28, 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 28, 2026, with prices from $277 to $2,310, a $2,033 spread on the same certified stone. Brilliant Earth lists it at $2,310. 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
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 28
Current: $2,310 USD|Low: $151 USD|High: $2,400 USD|Avg: $742 USD|-3.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 3$151 USD
Retailer 10$277 USD
Retailer 11$317 USD
Retailer 8$367 USD
Retailer 2$421 USD
Retailer 9$527 USD
Retailer 5$756 USD
Retailer 7$859 USD
Retailer 4$1,039 USD
Retailer 6$1,105 USD
Brilliant Earth$2,310 USD

20 data points across 11 retailers

10 retailers$277 USD to $2,310 USD

A
Cheapest Retailer
-
$277 USD
B+
Retailer 2
-
$317 USD
View
A
Retailer 3
-
$367 USD
View
A
Retailer 4
-
$421 USD
€401 EUR
View
A
Retailer 5
-
$527 USD
View
B+
Retailer 6
-
$756 USD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$859 USD
View
B
Retailer 8
-
$1,039 USD
£818 GBP
View
B
Retailer 9
-
$1,820 USD
View
Most Expensive
C
Brilliant Earth
16301472A · Oct 28
$2,310 USD
View
9 more retailers have this diamond
Prices start from $277 USDSave up to $2,033 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
$277 USD