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Emerald|Lab Grown|IGI

1.03ct H SI1 Emerald Lab Grown Diamond

EX • H/SI1 • IGI LG605391801

Shape and cutting style on the report: Emerald cut

Certificate IGI LG605391801

Diamond specifications and retailer prices

From £345 GBP
As of November 5, 2026
2 retailers carry this diamond
Most expensive: £345 GBP at MD Diamonds and Jewellers
View at MD Diamonds and Jewellers

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 LG605391801 or 605391801. Listed at 2 retailers as of November 5, 2026. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605391801
Dimensions7.30 × 4.79 × 3.03 mm
L/W Ratio1.52
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 mm4.79 mm1.03 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605391801
Side View
Table 64.0%Crown 31°Girdle: MediumPavilion 41.1°Culet: LNGDepth 63.3%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 5
Current: £345 GBP|Low: £94 GBP|High: £792 GBP|Avg: £340 GBP
MD Diamonds and Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
September 2, 2026
Retailer 12£94 GBP
Retailer 6£248 GBP
Retailer 9£250 GBP
Retailer 11£252 GBP
Retailer 8£270 GBP
MD Diamonds and Jewellers£345 GBP
Retailer 5£377 GBP
Retailer 3£392 GBP
Retailer 2£431 GBP
Retailer 7£453 GBP
Retailer 4£515 GBP
Retailer 10£792 GBP

61 data points across 12 retailers

2 retailers

Retailer 1
-
£270 GBP
Price last confirmed 81 days ago
Most Expensive
B+
MD Diamonds and Jewellers
LG605391801 · Nov 5
£345 GBP
View
1 more retailer has this diamond

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+
1.03ct Emerald
£345 GBP