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Emerald|Lab Grown|IGI

1.03ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG582363317

Shape and cutting style on the report: Emerald cut

Certificate IGI LG582363317

Diamond specifications and retailer prices

From £111 GBP
As of November 4, 2026
Save £535 GBP (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £646 GBP at MOH London · As of November 4, 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 LG582363317 or 582363317. Listed at 15 retailers as of November 4, 2026, with prices from £111 to £646, a £535 spread on the same certified stone. MOH London lists it at £646. 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 angle39.8°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG582363317
Dimensions6.86 × 4.86 × 3.14 mm
L/W Ratio1.41
Culet sizeLong
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.86 mm4.86 mm1.03 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG582363317
Side View
Table 63.0%Crown 39.8°Girdle: MediumPavilion 37.9°Culet: LNGDepth 64.6%

Caratlytics Score

How it works →
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 4
Current: £646 GBP|Low: £107 GBP|High: £656 GBP|Avg: £300 GBP|-0.1%
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
November 6, 2026
Retailer 9£111 GBP
Retailer 3£125 GBP
Retailer 8£129 GBP
Retailer 10£138 GBP
Retailer 12£195 GBP
Retailer 2£238 GBP
Retailer 7£244 GBP
Retailer 5£279 GBP
Retailer 4£320 GBP
Retailer 6£445 GBP
Retailer 11£470 GBP
Retailer 13£602 GBP
MOH London£646 GBP

45 data points across 13 retailers

15 retailers£111 GBP to £646 GBP

A
Cheapest Retailer
-
£111 GBP
A
Retailer 2
-
£125 GBP
View
Final sale: no returns
A
Retailer 3
-
£129 GBP
View
A
Retailer 4
-
£138 GBP
View
A
Retailer 5
-
£161 GBP
View
B+
Retailer 6
-
£195 GBP
View
A
Retailer 7
-
£238 GBP
View
Retailer 8
-
£244 GBP
View
Price last confirmed 8 days ago
B+
Retailer 9
-
£279 GBP
View
B+
Retailer 10
-
£320 GBP
View
B+
Retailer 11
-
£395 GBP
View
B
Retailer 12
-
£445 GBP
View
B
Retailer 13
-
£470 GBP
View
Retailer 14
-
£602 GBP
View
Price last confirmed 14 days ago
Most Expensive
B
MOH London
LG582363317 · Nov 4
£646 GBP
View
14 more retailers have this diamond
Prices start from £111 GBPSave up to £535 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
£111 GBP