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Emerald|Lab Grown|IGI

1.03ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG778685664

Shape and cutting style on the report: Emerald cut

Certificate IGI LG778685664

Diamond specifications and retailer prices

From £78 GBP
As of November 6, 2026
Save £728 GBP (90%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £806 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG778685664 or 778685664. Listed at 12 retailers as of November 5, 2026, with prices from £78 to £806, a £728 spread on the same certified stone. MOH London lists it at £806. 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778685664
Dimensions6.94 × 4.74 × 3.23 mm
L/W Ratio1.46
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.94 mm4.74 mm1.03 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778685664
Side View
Table 62.0%Crown 35.1°Girdle: MediumPavilion 40.5°Culet: LargeDepth 68.1%

Caratlytics Score

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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: £806 GBP|Low: £78 GBP|High: £808 GBP|Avg: £250 GBP|-0.2%
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
November 6, 2026
Retailer 8£78 GBP
Retailer 4£91 GBP
Retailer 9£103 GBP
Retailer 13£114 GBP
Retailer 3£184 GBP
Retailer 2£189 GBP
Retailer 5£189 GBP
Retailer 14£195 GBP
Retailer 10£283 GBP
Retailer 12£311 GBP
Retailer 7£347 GBP
Retailer 11£364 GBP
Retailer 6£471 GBP
MOH London£806 GBP

11 data points across 14 retailers

12 retailers£78 GBP to £806 GBP

A
Cheapest Retailer
-
£78 GBP
A
Retailer 2
-
£91 GBP
View
A
Retailer 3
-
£103 GBP
View
A
Retailer 4
-
£114 GBP
View
A
Retailer 5
-
£184 GBP
View
A
Retailer 6
-
£189 GBP
View
B+
Retailer 7
-
£195 GBP
View
B+
Retailer 8
-
£283 GBP
View
B+
Retailer 9
-
£311 GBP
View
B+
Retailer 10
-
£347 GBP
View
Retailer 11
-
£364 GBP
View
Price last confirmed 9 days ago
Most Expensive
B
MOH London
LG778685664 · Nov 5
£806 GBP
View
11 more retailers have this diamond
Prices start from £78 GBPSave up to £728 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
£78 GBP