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Emerald|Lab Grown|IGI

1.00ct G SI1 Emerald Lab Grown Diamond

ID • G/SI1 • IGI LG811644766

Shape and cutting style on the report: Emerald cut

Certificate IGI LG811644766

Diamond specifications and retailer prices

From £99 GBP
As of November 6, 2026
Save £921 GBP (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,020 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG811644766 or 811644766. Listed at 16 retailers as of November 5, 2026, with prices from £99 to £1,020, a £921 spread on the same certified stone. MOH London lists it at £1,020. 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
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle44.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811644766
Dimensions7.04 × 4.61 × 3.08 mm
L/W Ratio1.53
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.04 mm4.61 mm1.00 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811644766
Side View
Table 60.0%Crown 32.3°Girdle: MediumPavilion 44.7°Culet: LargeDepth 66.8%

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 6
Current: £1,020 GBP|Low: £94 GBP|High: £1,035 GBP|Avg: £308 GBP|-0.2%
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
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Retailer 16
November 6, 2026
Retailer 14£99 GBP
Retailer 16£110 GBP
Retailer 12£114 GBP
Retailer 5£123 GBP
Retailer 8£123 GBP
Retailer 2£204 GBP
Retailer 15£231 GBP
Retailer 11£233 GBP
Retailer 9£290 GBP
Retailer 4£310 GBP
Retailer 7£342 GBP
Retailer 10£361 GBP
Retailer 3£394 GBP
Retailer 6£401 GBP
Retailer 13£435 GBP
MOH London£1,020 GBP

42 data points across 16 retailers

16 retailers£99 GBP to £1,020 GBP

A
Cheapest Retailer
-
£99 GBP
A
Retailer 2
-
£110 GBP
View
Final sale: no returns
A
Retailer 3
-
£114 GBP
View
A
Retailer 4
-
£123 GBP
View
Retailer 5
-
£123 GBP
View
Price last confirmed 12 days ago
A
Retailer 6
-
£204 GBP
View
A
Retailer 7
-
£231 GBP
View
A
Retailer 8
-
£233 GBP
View
B+
Retailer 9
-
£290 GBP
View
B+
Retailer 10
-
£310 GBP
View
B+
Retailer 11
-
£342 GBP
View
B+
Retailer 12
-
£361 GBP
View
B
Retailer 13
-
£394 GBP
View
B
Retailer 14
-
£401 GBP
View
B+
Retailer 15
-
£435 GBP
View
Most Expensive
B
MOH London
LG811644766 · Nov 5
£1,020 GBP
View
15 more retailers have this diamond
Prices start from £99 GBPSave up to £921 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
£99 GBP