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Emerald|Lab Grown|IGI

1.03ct H SI2 Emerald Lab Grown Diamond

ID • H/SI2 • IGI LG436045954

Shape and cutting style on the report: Emerald cut

Certificate IGI LG436045954

Diamond specifications and retailer prices

From £379 GBP
As of November 6, 2026
Save £1,583 GBP (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,962 GBP at MOH London · As of November 3, 2026
View at MOH London

About this 1.03ct lab-grown emerald diamond

This 1.03ct 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 LG436045954 or 436045954. Listed at 10 retailers as of November 3, 2026, with prices from £379 to £1,962, a £1,583 spread on the same certified stone. MOH London lists it at £1,962. 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

1.03
Carat
H
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle18.1°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436045954
Dimensions6.61 × 5.04 × 3.22 mm
L/W Ratio1.31
Culet sizeLong
Cert comments
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Top View
6.61 mm5.04 mm1.03 ctH / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436045954
Side View
Table 65.0%Crown 18.1°Girdle: MED-STKPavilion 37.7°Culet: LNGDepth 63.9%

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 6
Current: £1,962 GBP|Low: £364 GBP|High: £1,985 GBP|Avg: £798 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 3, 2026
Retailer 5£379 GBP
Retailer 11£424 GBP
Retailer 10£424 GBP
Retailer 2£438 GBP
Retailer 6£470 GBP
Retailer 9£470 GBP
Retailer 7£730 GBP
Retailer 3£984 GBP
Retailer 4£1,213 GBP
Retailer 8£1,236 GBP
MOH London£1,962 GBP

17 data points across 11 retailers

10 retailers£379 GBP to £1,962 GBP

A
Cheapest Retailer
-
£379 GBP
A
Retailer 2
-
£424 GBP
View
Final sale: no returns
A
Retailer 3
-
£424 GBP
View
A
Retailer 4
-
£438 GBP
View
Retailer 5
-
£470 GBP
View
Price last confirmed 21 days ago
B+
Retailer 6
-
£470 GBP
View
B+
Retailer 7
-
£730 GBP
View
B
Retailer 8
-
£1,213 GBP
View
B
Retailer 9
-
£1,236 GBP
View
Most Expensive
B
MOH London
LG436045954 · Nov 3
£1,962 GBP
View
9 more retailers have this diamond
Prices start from £379 GBPSave up to £1,583 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
1.03ct Emerald
£379 GBP