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Emerald|Lab Grown|IGI

1.00ct H SI1 Emerald Lab Grown Diamond

ID • H/SI1 • IGI LG733546467

Shape and cutting style on the report: Emerald cut

Certificate IGI LG733546467

Diamond specifications and retailer prices

From £250 GBP
As of November 6, 2026
Save £383 GBP (60%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £633 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1ct lab-grown emerald diamond

This 1ct lab-grown emerald sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG733546467 or 733546467. Listed at 6 retailers as of November 4, 2026, with prices from £250 to £633, a £383 spread on the same certified stone. MOH London lists it at £633. 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

1.00
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle42.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733546467
Dimensions7.23 × 4.48 × 3.10 mm
L/W Ratio1.61
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.23 mm4.48 mm1.00 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG733546467
Side View
Table 68.0%Crown 38.1°Girdle: STK-THKPavilion 42.6°Culet: LargeDepth 69.2%

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: £633 GBP|Low: £230 GBP|High: £643 GBP|Avg: £334 GBP|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 4, 2026
Retailer 2£236 GBP
Retailer 5£250 GBP
Retailer 3£257 GBP
Retailer 6£282 GBP
Retailer 4£372 GBP
MOH London£633 GBP

14 data points across 6 retailers

6 retailers£250 GBP to £633 GBP

Retailer 1
-
£236 GBP
Price last confirmed 8 days ago
A
Retailer 2
-
£250 GBP
View
A
Retailer 3
-
£257 GBP
View
Retailer 4
-
£282 GBP
View
Price last confirmed 39 days ago
A
Retailer 5
-
£372 GBP
View
Most Expensive
B+
MOH London
LG733546467 · Nov 4
£633 GBP
View
5 more retailers have this diamond
Prices start from £250 GBPSave up to £383 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
1.00ct Emerald
£250 GBP