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Emerald|Lab Grown|IGI

0.90ct E SI1 Emerald Lab Grown Diamond

EX • E/SI1 • IGI LG478118187

Shape and cutting style on the report: Emerald cut

Certificate IGI LG478118187

Diamond specifications and retailer prices

From £91 GBP
$121 USD
As of October 27, 2026
Save £956 GBP (91%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,047 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.9ct lab-grown emerald diamond

This 0.9ct lab-grown emerald sits in the just-under-one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG478118187 or 478118187. Listed at 12 retailers as of October 27, 2026, with prices from £91 to £1,047, a £956 spread on the same certified stone. MOH London lists it at £1,047. 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

0.90
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle19.9°
Pavilion angle45.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG478118187
Dimensions6.51 × 4.47 × 3.05 mm
L/W Ratio1.46
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
6.51 mm4.47 mm0.90 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG478118187
Side View
Table 63.5%Crown 19.9°Girdle: STK-THKPavilion 45.1°Culet: LNGDepth 68.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: £1,047 GBP|Low: £106 GBP|High: £2,163 GBP|Avg: £598 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 7£106 GBP
Retailer 10£155 GBP
Retailer 2£210 GBP
Retailer 9£232 GBP
Retailer 8£251 GBP
Retailer 4£257 GBP
Retailer 5£406 GBP
Retailer 11£623 GBP
Retailer 6£1,021 GBP
MOH London£1,047 GBP
Retailer 3£2,163 GBP

41 data points across 11 retailers

12 retailers£91 GBP to £1,047 GBP

A
Cheapest Retailer
-
£91 GBP
$121 USD
A
Retailer 2
-
£106 GBP
$141 USD
View
A
Retailer 3
-
£120 GBP
$160 USD
View
A
Retailer 4
-
£120 GBP
$160 USD
View
B+
Retailer 5
-
£155 GBP
$206 USD
View
A
Retailer 6
-
£210 GBP
View
B+
Retailer 7
-
£232 GBP
$309 USD
View
B+
Retailer 8
-
£257 GBP
View
B+
Retailer 9
-
£401 GBP
$534 USD
View
B
Retailer 10
-
£406 GBP
$540 USD
View
B
Retailer 11
-
£1,021 GBP
$1,360 USD
View
Most Expensive
B
MOH London
LG478118187 · Oct 29
£1,047 GBP
View
11 more retailers have this diamond
Prices start from £91 GBPSave up to £956 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
0.90ct Emerald
£91 GBP