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Asscher|Lab Grown|IGI

1.23ct H VS1 Asscher Lab Grown Diamond

EX • H/VS1 • IGI LG638457114

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG638457114

Diamond specifications and retailer prices

From £358 GBP
As of November 2, 2026
1 retailer carries this diamond
Only listing: £358 GBP at Diamond Quarter
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Diamond Quarter

About this 1.23ct lab-grown asscher diamond

This 1.23ct lab-grown asscher sits in the classic one-carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG638457114 or 638457114. Listed at a single retailer as of November 2, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638457114
Dimensions5.99 × 5.80 × 3.85 mm
L/W Ratio1.03
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.99 mm5.80 mm1.23 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638457114
Side View
Table 62.0%Crown 33.7°Girdle: MediumPavilion 39.7°CuletDepth 66.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 2
Current: £358 GBP|Low: £358 GBP|High: £358 GBP|Avg: £358 GBP
September 26, 2026
Diamond Quarter£358 GBP

1 data point across 1 retailer

1 retailer

B+
Diamond Quarter
1.23VS1HLG140643N · Nov 2
£358 GBP
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B+
1.23ct Asscher
£358 GBP