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Emerald|Lab Grown|IGI

1.00ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG652456730

Shape and cutting style on the report: Emerald cut

Certificate IGI LG652456730

Diamond specifications and retailer prices

From £100 GBP
As of November 6, 2026
Save £926 GBP (90%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,026 GBP at MOH London · As of November 5, 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 LG652456730 or 652456730. Listed at 18 retailers as of November 5, 2026, with prices from £100 to £1,026, a £926 spread on the same certified stone. MOH London lists it at £1,026. 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 angle30.5°
Pavilion angle44°
OriginLab Grown
Grading LabIGI
CertificateIGI LG652456730
Dimensions6.68 × 4.68 × 3.21 mm
L/W Ratio1.43
Culet sizeLong
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.68 mm4.68 mm1.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG652456730
Side View
Table 62.0%Crown 30.5°Girdle: Slightly ThickPavilion 44°Culet: LNGDepth 68.6%

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: Nov 6
Current: £1,026 GBP|Low: £95 GBP|High: £1,041 GBP|Avg: £284 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 6, 2026
Retailer 13£100 GBP
Retailer 7£110 GBP
Retailer 5£115 GBP
Retailer 4£123 GBP
Retailer 15£123 GBP
Retailer 14£167 GBP
Retailer 2£206 GBP
Retailer 9£221 GBP
Retailer 10£233 GBP
Retailer 6£306 GBP
Retailer 11£323 GBP
Retailer 3£396 GBP
Retailer 12£418 GBP
Retailer 8£535 GBP
MOH London£1,026 GBP

45 data points across 15 retailers

18 retailers£100 GBP to £1,026 GBP

A
Cheapest Retailer
-
£100 GBP
A
Retailer 2
-
£110 GBP
View
Final sale: no returns
A
Retailer 3
-
£115 GBP
View
A
Retailer 4
-
£123 GBP
View
Retailer 5
-
£123 GBP
View
Price last confirmed 12 days ago
B+
Retailer 6
-
£167 GBP
View
A
Retailer 7
-
£206 GBP
View
Retailer 8
-
£221 GBP
View
Price last confirmed 8 days ago
A
Retailer 9
-
£233 GBP
View
B+
Retailer 10
-
£306 GBP
View
B+
Retailer 11
-
£323 GBP
View
B
Retailer 12
-
£357 GBP
View
B+
Retailer 13
-
£396 GBP
View
B
Retailer 14
-
£418 GBP
View
B
Retailer 15
-
£438 GBP
View
B
Retailer 16
-
£535 GBP
View
B
Retailer 17
-
£730 GBP
View
Most Expensive
B
MOH London
LG652456730 · Nov 5
£1,026 GBP
View
17 more retailers have this diamond
Prices start from £100 GBPSave up to £926 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
£100 GBP