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Emerald|Lab Grown|IGI

1.81ct F SI1 Emerald Lab Grown Diamond

ID • F/SI1 • IGI LG578310111

Shape and cutting style on the report: Emerald cut

Certificate IGI LG578310111

Diamond specifications and retailer prices

From $1,858 CAD
$1,330 USD
As of October 29, 2026
1 retailer carries this diamond
Only listing: $1,858 CAD at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

About this 1.81ct lab-grown emerald diamond

This 1.81ct lab-grown emerald sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG578310111 or 578310111. Listed at a single retailer as of October 29, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

1.81
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG578310111
Dimensions8.15 × 5.67 × 3.79 mm
L/W Ratio1.44
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.15 mm5.67 mm1.81 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG578310111
Side View
Table 62.0%Crown 37.6°Girdle: MED-STKPavilion 38.7°Culet: LNGDepth 66.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $1,858 CAD|Low: $471 CAD|High: $3,199 CAD|Avg: $1,299 CAD|-19.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 4, 2026
Retailer 6$517 CAD
Retailer 4$550 CAD
Retailer 5$774 CAD
Retailer 8$954 CAD
Retailer 2$983 CAD
Retailer 7$1,723 CAD
Brilliant Earth$1,858 CAD
Retailer 3$2,598 CAD

66 data points across 8 retailers

1 retailer

B
Brilliant Earth
7306811B · Oct 29
$1,858 CAD
$1,330 USD
View

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.

B
1.81ct Emerald
$1,858 CAD