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Emerald|Lab Grown|IGI

1.73ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG541285655

Shape and cutting style on the report: Emerald cut

Certificate IGI LG541285655

Diamond specifications and retailer prices

From £1,029 GBP
$1,370 USD
As of October 29, 2026
1 retailer carries this diamond
Only listing: £1,029 GBP 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 1.73ct lab-grown emerald diamond

This 1.73ct lab-grown emerald sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG541285655 or 541285655. 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

1.73
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.1°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG541285655
Dimensions8.10 × 5.68 × 3.84 mm
L/W Ratio1.43
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
8.10 mm5.68 mm1.73 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG541285655
Side View
Table 65.5%Crown 32.1°Girdle: MediumPavilion 39.6°Culet: LargeDepth 67.6%

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: £1,029 GBP|Low: £115 GBP|High: £1,374 GBP|Avg: £713 GBP|-8.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 4, 2026
Retailer 3£115 GBP
Retailer 6£267 GBP
Retailer 5£522 GBP
Retailer 2£677 GBP
Brilliant Earth£1,029 GBP
Retailer 4£1,374 GBP

54 data points across 6 retailers

1 retailer

B
Brilliant Earth
6165181B · Oct 29
£1,029 GBP
$1,370 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
1.73ct Emerald
£1,029 GBP