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Emerald|Lab Grown|IGI

1.77ct G SI1 Emerald Lab Grown Diamond

ID • G/SI1 • IGI LG597378909

Shape and cutting style on the report: Emerald cut

Certificate IGI LG597378909

Diamond specifications and retailer prices

From $1,620 USD
As of October 28, 2026
1 retailer carries this diamond
Only listing: $1,620 USD 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 1.77ct lab-grown emerald diamond

This 1.77ct lab-grown emerald sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG597378909 or 597378909. Listed at a single retailer as of October 28, 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

1.77
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG597378909
Dimensions8.19 × 5.64 × 3.80 mm
L/W Ratio1.45
Culet sizeLarge
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
8.19 mm5.64 mm1.77 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG597378909
Side View
Table 62.0%Crown 36.7°Girdle: MED-MEDPavilion 37.2°Culet: NoneDepth 67.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 28
Current: $1,620 USD|Low: $1,560 USD|High: $1,620 USD|Avg: $1,575 USD|+3.8%
January 6, 2026
Brilliant Earth$1,620 USD

4 data points across 1 retailer

1 retailer

B
Brilliant Earth
8003603B · Oct 28
$1,620 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
1.77ct Emerald
$1,620 USD