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Emerald|Lab Grown|IGI

1.02ct J SI1 Emerald Lab Grown Diamond

ID • J/SI1 • IGI LG407935461

Shape and cutting style on the report: Emerald cut

Certificate IGI LG407935461

Diamond specifications and retailer prices

From £528 GBP
As of November 4, 2026
Save £2,157 GBP (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,685 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.02ct lab-grown emerald diamond

This 1.02ct lab-grown emerald sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG407935461 or 407935461. Listed at 10 retailers as of November 4, 2026, with prices from £528 to £2,685, a £2,157 spread on the same certified stone. MOH London lists it at £2,685. 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

1.02
Carat
J
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle28.1°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407935461
Dimensions6.22 × 4.83 × 3.38 mm
L/W Ratio1.29
Culet sizeLong
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
6.22 mm4.83 mm1.02 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG407935461
Side View
Table 64.0%Crown 28.1°Girdle: MED-STKPavilion 39.8°Culet: LNGDepth 70.0%

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: £2,685 GBP|Low: £528 GBP|High: £2,728 GBP|Avg: £1,229 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£528 GBP
Retailer 4£684 GBP
Retailer 10£744 GBP
Retailer 6£794 GBP
Retailer 9£794 GBP
Retailer 11£925 GBP
Retailer 3£1,158 GBP
Retailer 7£1,273 GBP
Retailer 2£1,766 GBP
Retailer 8£2,232 GBP
MOH London£2,685 GBP

17 data points across 11 retailers

10 retailers£528 GBP to £2,685 GBP

A
Cheapest Retailer
-
£528 GBP
B+
Retailer 2
-
£684 GBP
View
B+
Retailer 3
-
£744 GBP
View
B+
Retailer 4
-
£794 GBP
View
Retailer 5
-
£794 GBP
View
Price last confirmed 25 days ago
B
Retailer 6
-
£925 GBP
View
B
Retailer 7
-
£1,273 GBP
View
B
Retailer 8
-
£1,766 GBP
View
C
Retailer 9
-
£2,232 GBP
View
Most Expensive
B
MOH London
LG407935461 · Nov 5
£2,685 GBP
View
9 more retailers have this diamond
Prices start from £528 GBPSave up to £2,157 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
1.02ct Emerald
£528 GBP