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Emerald|Lab Grown|IGI

1.59ct F SI1 Emerald Lab Grown Diamond

VG • F/SI1 • IGI LG847679091

Shape and cutting style on the report: Emerald cut

Certificate IGI LG847679091

Diamond specifications and retailer prices

From £261 GBP
As of November 1, 2026
Save £432 GBP (62%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £693 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.59ct lab-grown emerald diamond

This 1.59ct 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 very-good cut grade and certified by IGI LG847679091 or 847679091. Listed at 3 retailers as of November 1, 2026, with prices from £261 to £693, a £432 spread on the same certified stone. MOH London lists it at £693. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.59
Carat
F
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847679091
Dimensions8.34 × 5.58 × 3.42 mm
L/W Ratio1.49
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.34 mm5.58 mm1.59 ctF / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847679091
Side View
Table 66.0%Crown 34.6°Girdle: MediumPavilion 40.5°Culet: LargeDepth 61.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £693 GBP|Low: £252 GBP|High: £694 GBP|Avg: £386 GBP|-0.1%
MOH London
Retailer 2
Retailer 3
November 1, 2026
Retailer 2£261 GBP
Retailer 3£268 GBP
MOH London£693 GBP

10 data points across 3 retailers

3 retailers£261 GBP to £693 GBP

A
Cheapest Retailer
-
£261 GBP
B+
Retailer 2
-
£268 GBP
$359 USD
View
Most Expensive
B
MOH London
LG847679091 · Nov 1
£693 GBP
View
2 more retailers have this diamond
Prices start from £261 GBPSave up to £432 GBP

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
1.59ct Emerald
£261 GBP