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Emerald|Lab Grown|IGI

1.22ct H SI1 Emerald Lab Grown Diamond

ID • H/SI1 • IGI LG506195320

Shape and cutting style on the report: Emerald cut

Certificate IGI LG506195320

Diamond specifications and retailer prices

From £513 GBP
As of November 4, 2026
Save £1,826 GBP (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,338 GBP at MOH London · As of November 3, 2026
View at MOH London

About this 1.22ct lab-grown emerald diamond

This 1.22ct lab-grown emerald sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG506195320 or 506195320. Listed at 11 retailers as of November 3, 2026, with prices from £513 to £2,338, a £1,826 spread on the same certified stone. MOH London lists it at £2,338. 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

1.22
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle23.6°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG506195320
Dimensions7.30 × 5.12 × 3.24 mm
L/W Ratio1.43
Culet sizeLong
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
7.30 mm5.12 mm1.22 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG506195320
Side View
Table 61.0%Crown 23.6°Girdle: MED-STKPavilion 34.4°Culet: LNGDepth 63.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £2,338 GBP|Low: £493 GBP|High: £2,367 GBP|Avg: £1,030 GBP
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
November 1, 2026
Retailer 2£513 GBP
Retailer 8£513 GBP
Retailer 13£559 GBP
Retailer 3£574 GBP
Retailer 9£595 GBP
Retailer 12£595 GBP
Retailer 6£728 GBP
Retailer 4£950 GBP
Retailer 10£969 GBP
Retailer 7£1,467 GBP
Retailer 11£1,674 GBP
Retailer 5£1,704 GBP
MOH London£2,338 GBP

22 data points across 13 retailers

11 retailers£513 GBP to £2,338 GBP

A
Cheapest Retailer
-
£513 GBP
A
Retailer 2
-
£513 GBP
View
A
Retailer 3
-
£559 GBP
View
A
Retailer 4
-
£574 GBP
View
Final sale: no returns
A
Retailer 5
-
£595 GBP
View
Retailer 6
-
£595 GBP
View
Price last confirmed 21 days ago
A
Retailer 7
-
£728 GBP
View
B+
Retailer 8
-
£969 GBP
View
B
Retailer 9
-
£1,467 GBP
View
B
Retailer 10
-
£1,674 GBP
View
Most Expensive
B
MOH London
LG506195320 · Nov 3
£2,338 GBP
View
10 more retailers have this diamond
Prices start from £513 GBPSave up to £1,826 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
1.22ct Emerald
£513 GBP