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Emerald|Lab Grown|IGI

1.05ct H SI2 Emerald Lab Grown Diamond

ID • H/SI2 • IGI LG570361774

Shape and cutting style on the report: Emerald cut

Certificate IGI LG570361774

Diamond specifications and retailer prices

From £129 GBP
As of November 5, 2026
Save £559 GBP (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £688 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.05ct lab-grown emerald diamond

This 1.05ct lab-grown emerald sits in the classic one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG570361774 or 570361774. Listed at 11 retailers as of November 2, 2026, with prices from £129 to £688, a £559 spread on the same certified stone. MOH London lists it at £688. 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

1.05
Carat
H
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG570361774
Dimensions6.54 × 4.84 × 3.17 mm
L/W Ratio1.35
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.54 mm4.84 mm1.05 ctH / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG570361774
Side View
Table 62.0%Crown 34.2°Girdle: MediumPavilion 41.1°Culet: LargeDepth 65.5%

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 5
Current: £688 GBP|Low: £121 GBP|High: £691 GBP|Avg: £313 GBP|+5.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 7£126 GBP
Retailer 5£129 GBP
Retailer 3£181 GBP
Retailer 4£218 GBP
Retailer 9£245 GBP
Retailer 8£288 GBP
Retailer 10£311 GBP
Retailer 2£452 GBP
Retailer 6£528 GBP
MOH London£688 GBP

13 data points across 10 retailers

11 retailers£129 GBP to £688 GBP

Retailer 1
-
£102 GBP
Price last confirmed 37 days ago
Retailer 2
-
£118 GBP
View
Price last confirmed 44 days ago
Retailer 3
-
£125 GBP
View
Price last confirmed 38 days ago
A
Retailer 4
-
£129 GBP
View
B+
Retailer 5
-
£181 GBP
View
A
Retailer 6
-
£218 GBP
View
A
Retailer 7
-
£288 GBP
View
Retailer 8
-
£450 GBP
View
Price last confirmed 37 days ago
B+
Retailer 9
-
£452 GBP
View
B+
Retailer 10
-
£528 GBP
View
Most Expensive
B+
MOH London
LG570361774 · Nov 2
£688 GBP
View
10 more retailers have this diamond
Prices start from £129 GBPSave up to £559 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
1.05ct Emerald
£129 GBP