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Emerald|Lab Grown|IGI

1.00ct G SI2 Emerald Lab Grown Diamond

GD • G/SI2 • IGI LG536274323

Shape and cutting style on the report: Emerald cut

Certificate IGI LG536274323

Diamond specifications and retailer prices

From £279 GBP
As of November 4, 2026
Save £529 GBP (66%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £808 GBP at MOH London · As of November 5, 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a standard cut grade and certified by IGI LG536274323 or 536274323. Listed at 5 retailers as of November 4, 2026, with prices from £279 to £808, a £529 spread on the same certified stone. MOH London lists it at £808. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
G
Colour
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle30°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG536274323
Dimensions7.02 × 4.61 × 3.05 mm
L/W Ratio1.52
Culet sizeLarge
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
7.02 mm4.61 mm1.00 ctG / SI2
OriginLab Grown
CutGood
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG536274323
Side View
Table 59.0%Crown 30°Girdle: STK-THKPavilion 38.1°Culet: LargeDepth 66.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £808 GBP|Low: £279 GBP|High: £820 GBP|Avg: £484 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 3£279 GBP
Retailer 4£318 GBP
Retailer 2£331 GBP
Retailer 5£358 GBP
Retailer 6£805 GBP
MOH London£808 GBP

43 data points across 6 retailers

5 retailers£279 GBP to £808 GBP

B+
Cheapest Retailer
-
£279 GBP
B+
Retailer 2
-
£318 GBP
View
B
Retailer 3
-
£331 GBP
View
B
Retailer 4
-
£358 GBP
View
Most Expensive
C
MOH London
LG536274323 · Nov 5
£808 GBP
View
4 more retailers have this diamond
Prices start from £279 GBPSave up to £529 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.

B+
1.00ct Emerald
£279 GBP