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Emerald|Lab Grown|IGI

1.00ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG818676038

Shape and cutting style on the report: Emerald cut

Certificate IGI LG818676038

Diamond specifications and retailer prices

From £98 GBP
As of November 3, 2026
Save £814 GBP (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £912 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1ct lab-grown emerald diamond

This 1ct lab-grown emerald sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG818676038 or 818676038. Listed at 16 retailers as of November 1, 2026, with prices from £98 to £912, a £814 spread on the same certified stone. MOH London lists it at £912. 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

1.00
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.9°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818676038
Dimensions7.48 × 4.63 × 2.74 mm
L/W Ratio1.62
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.48 mm4.63 mm1.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818676038
Side View
Table 73.0%Crown 31.9°Girdle: MED-STKPavilion 38.4°Culet: LargeDepth 59.2%

Caratlytics Score

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

Price History

Last verified: Nov 3
Current: £912 GBP|Low: £98 GBP|High: £959 GBP|Avg: £343 GBP|-3.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 4, 2026
Retailer 10£98 GBP
Retailer 9£123 GBP
Retailer 12£149 GBP
Retailer 7£200 GBP
Retailer 8£207 GBP
Retailer 2£221 GBP
Retailer 5£268 GBP
Retailer 3£327 GBP
Retailer 6£357 GBP
Retailer 4£394 GBP
Retailer 11£693 GBP
MOH London£912 GBP

40 data points across 12 retailers

16 retailers£98 GBP to £912 GBP

Retailer 1
-
£91 GBP
Price last confirmed 44 days ago
A
Retailer 2
-
£98 GBP
View
Final sale: no returns
Retailer 3
-
£106 GBP
View
Price last confirmed 44 days ago
Retailer 4
-
£120 GBP
View
Price last confirmed 40 days ago
A
Retailer 5
-
£123 GBP
View
B+
Retailer 6
-
£149 GBP
View
Retailer 7
-
£200 GBP
View
Price last confirmed 8 days ago
A
Retailer 8
-
£207 GBP
View
A
Retailer 9
-
£221 GBP
View
B+
Retailer 10
-
£268 GBP
View
B+
Retailer 11
-
£327 GBP
View
B+
Retailer 12
-
£357 GBP
View
Retailer 13
-
£365 GBP
View
Price last confirmed 39 days ago
B+
Retailer 14
-
£394 GBP
View
B
Retailer 15
-
£693 GBP
View
Most Expensive
B
MOH London
LG818676038 · Nov 1
£912 GBP
View
15 more retailers have this diamond
Prices start from £98 GBPSave up to £814 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
1.00ct Emerald
£98 GBP