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Emerald|Lab Grown|IGI

1.00ct F SI1 Emerald Lab Grown Diamond

ID • F/SI1 • IGI LG677515180

Shape and cutting style on the report: Emerald cut

Certificate IGI LG677515180

Diamond specifications and retailer prices

From £93 GBP
As of November 6, 2026
Save £864 GBP (90%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £957 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG677515180 or 677515180. Listed at 14 retailers as of November 5, 2026, with prices from £93 to £957, a £864 spread on the same certified stone. MOH London lists it at £957. 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
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle17.2°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677515180
Dimensions7.09 × 4.74 × 2.92 mm
L/W Ratio1.50
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.09 mm4.74 mm1.00 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG677515180
Side View
Table 61.0%Crown 17.2°Girdle: MED-STKPavilion 33.7°Culet: LNGDepth 61.6%

Caratlytics Score

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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: £957 GBP|Low: £93 GBP|High: £972 GBP|Avg: £285 GBP|-1.3%
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
November 6, 2026
Retailer 14£93 GBP
Retailer 6£104 GBP
Retailer 9£108 GBP
Retailer 7£123 GBP
Retailer 5£124 GBP
Retailer 2£189 GBP
Retailer 13£218 GBP
Retailer 12£221 GBP
Retailer 4£223 GBP
Retailer 11£299 GBP
Retailer 8£369 GBP
Retailer 10£390 GBP
Retailer 3£411 GBP
MOH London£957 GBP

45 data points across 14 retailers

14 retailers£93 GBP to £957 GBP

A
Cheapest Retailer
-
£93 GBP
A
Retailer 2
-
£104 GBP
View
Final sale: no returns
A
Retailer 3
-
£108 GBP
View
A
Retailer 4
-
£123 GBP
View
Retailer 5
-
£124 GBP
View
Price last confirmed 12 days ago
A
Retailer 6
-
£189 GBP
View
A
Retailer 7
-
£218 GBP
View
B+
Retailer 8
-
£221 GBP
View
Retailer 9
-
£223 GBP
View
Price last confirmed 8 days ago
B+
Retailer 10
-
£299 GBP
View
B+
Retailer 11
-
£369 GBP
View
B+
Retailer 12
-
£390 GBP
View
B+
Retailer 13
-
£411 GBP
View
Most Expensive
B
MOH London
LG677515180 · Nov 5
£957 GBP
View
13 more retailers have this diamond
Prices start from £93 GBPSave up to £864 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
£93 GBP