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Emerald|Lab Grown|IGI

1.03ct I SI1 Emerald Lab Grown Diamond

ID • I/SI1 • IGI LG506195297

Shape and cutting style on the report: Emerald cut

Certificate IGI LG506195297

Diamond specifications and retailer prices

From £446 GBP
As of November 4, 2026
Save £2,536 GBP (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,982 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG506195297 or 506195297. Listed at 11 retailers as of November 4, 2026, with prices from £446 to £2,982, a £2,536 spread on the same certified stone. MOH London lists it at £2,982. 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
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle23.7°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG506195297
Dimensions6.85 × 4.76 × 3.20 mm
L/W Ratio1.44
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
6.85 mm4.76 mm1.03 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG506195297
Side View
Table 59.0%Crown 23.7°Girdle: MediumPavilion 38.2°Culet: LNGDepth 67.2%

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 4
Current: £2,982 GBP|Low: £446 GBP|High: £3,030 GBP|Avg: £1,320 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
Retailer 12
Retailer 13
Retailer 14
November 5, 2026
Retailer 2£446 GBP
Retailer 7£760 GBP
Retailer 12£827 GBP
Retailer 13£851 GBP
Retailer 8£882 GBP
Retailer 11£882 GBP
Retailer 6£994 GBP
Retailer 3£1,010 GBP
Retailer 4£1,265 GBP
Retailer 9£1,406 GBP
Retailer 10£1,652 GBP
Retailer 14£1,843 GBP
Retailer 5£2,524 GBP
MOH London£2,982 GBP

17 data points across 14 retailers

11 retailers£446 GBP to £2,982 GBP

A
Cheapest Retailer
-
£446 GBP
B+
Retailer 2
-
£760 GBP
View
B+
Retailer 3
-
£827 GBP
View
B+
Retailer 4
-
£851 GBP
View
Final sale: no returns
B+
Retailer 5
-
£882 GBP
View
Retailer 6
-
£882 GBP
View
Price last confirmed 25 days ago
B+
Retailer 7
-
£1,010 GBP
View
B
Retailer 8
-
£1,406 GBP
View
B
Retailer 9
-
£1,652 GBP
View
B
Retailer 10
-
£1,843 GBP
View
Most Expensive
B
MOH London
LG506195297 · Nov 5
£2,982 GBP
View
10 more retailers have this diamond
Prices start from £446 GBPSave up to £2,536 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
£446 GBP