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Emerald|Lab Grown|IGI

1.00ct F SI1 Emerald Lab Grown Diamond

ID • F/SI1 • IGI LG603345222

Shape and cutting style on the report: Emerald cut

Certificate IGI LG603345222

Diamond specifications and retailer prices

From £105 GBP
As of November 3, 2026
Save £866 GBP (89%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £971 GBP at MOH London · As of November 2, 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 LG603345222 or 603345222. Listed at 20 retailers as of November 2, 2026, with prices from £105 to £971, a £866 spread on the same certified stone. MOH London lists it at £971. 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
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG603345222
Dimensions6.52 × 4.71 × 3.31 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
6.52 mm4.71 mm1.00 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG603345222
Side View
Table 65.0%Crown 37.9°Girdle: MediumPavilion 41.2°Culet: LNGDepth 70.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 3
Current: £971 GBP|Low: £105 GBP|High: £982 GBP|Avg: £303 GBP|-1.1%
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 2, 2026
Retailer 3£105 GBP
Retailer 10£124 GBP
Retailer 11£124 GBP
Retailer 5£193 GBP
Retailer 8£221 GBP
Retailer 12£222 GBP
Retailer 7£229 GBP
Retailer 2£289 GBP
Retailer 4£299 GBP
Retailer 9£319 GBP
Retailer 6£424 GBP
MOH London£971 GBP

41 data points across 12 retailers

20 retailers£105 GBP to £971 GBP

Retailer 1
-
£90 GBP
Price last confirmed 35 days ago
A
Retailer 2
-
£105 GBP
View
Final sale: no returns
A
Retailer 3
-
£108 GBP
View
Retailer 4
-
£108 GBP
View
Price last confirmed 31 days ago
Retailer 5
-
£124 GBP
View
Price last confirmed 34 days ago
Retailer 6
-
£124 GBP
View
Price last confirmed 12 days ago
A
Retailer 7
-
£124 GBP
View
A
Retailer 8
-
£193 GBP
View
A
Retailer 9
-
£221 GBP
View
B+
Retailer 10
-
£222 GBP
View
Retailer 11
-
£229 GBP
View
Price last confirmed 8 days ago
B+
Retailer 12
-
£289 GBP
View
B+
Retailer 13
-
£299 GBP
View
B+
Retailer 14
-
£319 GBP
View
B+
Retailer 15
-
£374 GBP
View
Retailer 16
-
£374 GBP
View
Price last confirmed 30 days ago
B
Retailer 17
-
£395 GBP
View
B+
Retailer 18
-
£424 GBP
View
B
Retailer 19
-
£639 GBP
View
Most Expensive
B
MOH London
LG603345222 · Nov 2
£971 GBP
View
19 more retailers have this diamond
Prices start from £105 GBPSave up to £866 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
£105 GBP