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Emerald|Lab Grown|IGI

1.03ct H SI1 Emerald Lab Grown Diamond

ID • H/SI1 • IGI LG436045514

Shape and cutting style on the report: Emerald cut

Certificate IGI LG436045514

Diamond specifications and retailer prices

From £437 GBP
As of November 6, 2026
Save £1,907 GBP (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,344 GBP at MOH London · As of November 5, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436045514 or 436045514. Listed at 10 retailers as of November 5, 2026, with prices from £437 to £2,344, a £1,907 spread on the same certified stone. MOH London lists it at £2,344. 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
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle21.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436045514
Dimensions7.33 × 4.75 × 3.05 mm
L/W Ratio1.54
Culet sizeLong
Cert comments
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Top View
7.33 mm4.75 mm1.03 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436045514
Side View
Table 67.5%Crown 21.1°Girdle: THN-MEDPavilion 40.8°Culet: LNGDepth 64.2%

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: £2,344 GBP|Low: £419 GBP|High: £2,379 GBP|Avg: £914 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
November 5, 2026
Retailer 5£437 GBP
Retailer 2£438 GBP
Retailer 11£489 GBP
Retailer 6£542 GBP
Retailer 10£542 GBP
Retailer 8£639 GBP
Retailer 7£831 GBP
Retailer 3£857 GBP
Retailer 4£1,343 GBP
Retailer 9£1,424 GBP
MOH London£2,344 GBP

21 data points across 11 retailers

10 retailers£437 GBP to £2,344 GBP

A
Cheapest Retailer
-
£437 GBP
A
Retailer 2
-
£438 GBP
View
A
Retailer 3
-
£489 GBP
View
B+
Retailer 4
-
£542 GBP
View
Retailer 5
-
£542 GBP
View
Price last confirmed 21 days ago
B+
Retailer 6
-
£639 GBP
View
B+
Retailer 7
-
£831 GBP
View
B
Retailer 8
-
£1,343 GBP
View
B
Retailer 9
-
£1,424 GBP
View
Most Expensive
B
MOH London
LG436045514 · Nov 5
£2,344 GBP
View
9 more retailers have this diamond
Prices start from £437 GBPSave up to £1,907 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
£437 GBP