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Emerald|Lab Grown|IGI

1.09ct F SI1 Emerald Lab Grown Diamond

ID • F/SI1 • IGI LG704529720

Shape and cutting style on the report: Emerald cut

Certificate IGI LG704529720

Diamond specifications and retailer prices

From £92 GBP
As of November 6, 2026
Save £855 GBP (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £947 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.09ct lab-grown emerald diamond

This 1.09ct 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 LG704529720 or 704529720. Listed at 16 retailers as of November 5, 2026, with prices from £92 to £947, a £855 spread on the same certified stone. MOH London lists it at £947. 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

1.09
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle26°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG704529720
Dimensions6.99 × 5.06 × 3.17 mm
L/W Ratio1.38
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
6.99 mm5.06 mm1.09 ctF / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG704529720
Side View
Table 70.0%Crown 26°Girdle: MED-STKPavilion 39.8°Culet: LNGDepth 62.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £947 GBP|Low: £88 GBP|High: £962 GBP|Avg: £280 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 12£92 GBP
Retailer 5£103 GBP
Retailer 6£106 GBP
Retailer 4£121 GBP
Retailer 14£121 GBP
Retailer 10£210 GBP
Retailer 11£215 GBP
Retailer 15£219 GBP
Retailer 2£233 GBP
Retailer 13£345 GBP
Retailer 7£356 GBP
Retailer 3£366 GBP
Retailer 8£408 GBP
Retailer 9£438 GBP
MOH London£947 GBP

45 data points across 15 retailers

16 retailers£92 GBP to £947 GBP

A
Cheapest Retailer
-
£92 GBP
A
Retailer 2
-
£103 GBP
View
Final sale: no returns
A
Retailer 3
-
£106 GBP
View
A
Retailer 4
-
£121 GBP
View
Retailer 5
-
£121 GBP
View
Price last confirmed 12 days ago
Retailer 6
-
£210 GBP
View
Price last confirmed 8 days ago
A
Retailer 7
-
£215 GBP
View
B+
Retailer 8
-
£219 GBP
View
A
Retailer 9
-
£233 GBP
View
B+
Retailer 10
-
£293 GBP
View
Retailer 11
-
£345 GBP
View
Price last confirmed 9 days ago
B+
Retailer 12
-
£356 GBP
View
B+
Retailer 13
-
£366 GBP
View
B
Retailer 14
-
£408 GBP
View
B
Retailer 15
-
£438 GBP
View
Most Expensive
B
MOH London
LG704529720 · Nov 5
£947 GBP
View
15 more retailers have this diamond
Prices start from £92 GBPSave up to £855 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
1.09ct Emerald
£92 GBP