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Emerald|Lab Grown|IGI

1.05ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG459193912

Shape and cutting style on the report: Emerald cut

Certificate IGI LG459193912

Diamond specifications and retailer prices

From €289 EUR
As of November 6, 2026
Save €494 EUR (63%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €783 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.05ct lab-grown emerald diamond

This 1.05ct lab-grown emerald sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG459193912 or 459193912. Listed at 5 retailers as of November 1, 2026, with prices from €289 to €783, a €494 spread on the same certified stone. MOH London lists it at €783. 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

1.05
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle18°
Pavilion angle42.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG459193912
Dimensions6.72 × 4.94 × 3.26 mm
L/W Ratio1.36
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
6.72 mm4.94 mm1.05 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG459193912
Side View
Table 62.5%Crown 18°Girdle: MediumPavilion 42.6°Culet: LNGDepth 66.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: €783 EUR|Low: €236 EUR|High: €826 EUR|Avg: €459 EUR|-4.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 2€289 EUR
Retailer 5€306 EUR
Retailer 3€386 EUR
Retailer 4€587 EUR
MOH London€783 EUR

43 data points across 5 retailers

5 retailers€289 EUR to €783 EUR

A
Cheapest Retailer
-
€289 EUR
B+
Retailer 2
-
€306 EUR
View
B+
Retailer 3
-
€386 EUR
View
B
Retailer 4
-
€587 EUR
View
Most Expensive
B
MOH London
LG459193912 · Nov 1
€783 EUR
£692 GBP
View
4 more retailers have this diamond
Prices start from €289 EURSave up to €494 EUR

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
1.05ct Emerald
€289 EUR