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Emerald|Lab Grown|IGI

1.01ct H SI2 Emerald Lab Grown Diamond

ID • H/SI2 • IGI LG436045903

Shape and cutting style on the report: Emerald cut

Certificate IGI LG436045903

Diamond specifications and retailer prices

From £372 GBP
As of November 6, 2026
Save £841 GBP (69%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,928 GBP at MOH London · As of October 25, 2026
View at MOH London

About this 1.01ct lab-grown emerald diamond

This 1.01ct 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 LG436045903 or 436045903. Listed at 10 retailers as of November 6, 2026, with a 226% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.01
Carat
H
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle26.1°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436045903
Dimensions7.17 × 4.66 × 3.04 mm
L/W Ratio1.54
Culet sizeLong
Cert comments
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Top View
7.17 mm4.66 mm1.01 ctH / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436045903
Side View
Table 71.0%Crown 26.1°Girdle: MediumPavilion 39.1°Culet: LNGDepth 65.2%

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 6
Current: £1,928 GBP|Low: £357 GBP|High: £1,949 GBP|Avg: £759 GBP|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 6£372 GBP
Retailer 12£416 GBP
Retailer 11£417 GBP
Retailer 2£431 GBP
Retailer 7£461 GBP
Retailer 10£461 GBP
Retailer 8£716 GBP
Retailer 3£759 GBP
Retailer 4£966 GBP
Retailer 5£1,190 GBP
Retailer 9£1,213 GBP
MOH London£1,928 GBP

13 data points across 12 retailers

10 retailers£372 GBP to £1,213 GBP

A
Cheapest Retailer
-
£372 GBP
A
Retailer 2
-
£416 GBP
View
Final sale: no returns
A
Retailer 3
-
£417 GBP
View
A
Retailer 4
-
£431 GBP
View
B+
Retailer 5
-
£461 GBP
View
Retailer 6
-
£461 GBP
View
Price last confirmed 21 days ago
B+
Retailer 7
-
£716 GBP
View
B
Retailer 8
-
£1,190 GBP
View
B
Retailer 9
-
£1,213 GBP
View
Most Expensive
MOH London
LG436045903 · Oct 25
£1,928 GBP
View
Price last confirmed 11 days ago
9 more retailers have this diamond
Prices start from £372 GBPSave up to £841 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
1.01ct Emerald
£372 GBP