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Emerald|Lab Grown|IGI

1.35ct H SI1 Emerald Lab Grown Diamond

ID • H/SI1 • IGI LG506176868

Shape and cutting style on the report: Emerald cut

Certificate IGI LG506176868

Diamond specifications and retailer prices

From £566 GBP
As of November 6, 2026
Save £1,887 GBP (77%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £2,453 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.35ct lab-grown emerald diamond

This 1.35ct lab-grown emerald sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG506176868 or 506176868. Listed at 12 retailers as of November 5, 2026, with prices from £566 to £2,453, a £1,887 spread on the same certified stone. MOH London lists it at £2,453. 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

1.35
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle21.3°
Pavilion angle43.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG506176868
Dimensions7.47 × 5.29 × 3.44 mm
L/W Ratio1.41
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
7.47 mm5.29 mm1.35 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG506176868
Side View
Table 67.0%Crown 21.3°Girdle: MediumPavilion 43.7°Culet: LNGDepth 65.0%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £2,453 GBP|Low: £543 GBP|High: £2,493 GBP|Avg: £1,177 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 5, 2026
Retailer 9£566 GBP
Retailer 15£616 GBP
Retailer 3£634 GBP
Retailer 11£656 GBP
Retailer 14£656 GBP
Retailer 2£788 GBP
Retailer 10£929 GBP
Retailer 7£932 GBP
Retailer 5£1,031 GBP
Retailer 12£1,061 GBP
Retailer 8£1,561 GBP
Retailer 13£1,846 GBP
Retailer 6£1,879 GBP
Retailer 4£2,031 GBP
MOH London£2,453 GBP

23 data points across 15 retailers

12 retailers£566 GBP to £2,453 GBP

B+
Cheapest Retailer
-
£566 GBP
B+
Retailer 2
-
£616 GBP
View
B+
Retailer 3
-
£634 GBP
View
Final sale: no returns
B+
Retailer 4
-
£656 GBP
View
Retailer 5
-
£656 GBP
View
Price last confirmed 25 days ago
B
Retailer 6
-
£788 GBP
View
B
Retailer 7
-
£929 GBP
View
B
Retailer 8
-
£1,061 GBP
View
B
Retailer 9
-
£1,561 GBP
View
B
Retailer 10
-
£1,846 GBP
View
B
Retailer 11
-
£2,031 GBP
View
Most Expensive
B
MOH London
LG506176868 · Nov 5
£2,453 GBP
View
11 more retailers have this diamond
Prices start from £566 GBPSave up to £1,887 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.

B+
1.35ct Emerald
£566 GBP