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Asscher|Lab Grown|IGI

1.28ct H VS1 Asscher Lab Grown Diamond

ID • H/VS1 • IGI LG579384480

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG579384480

Diamond specifications and retailer prices

From £500 GBP
As of October 31, 2026
1 retailer carries this diamond
Only listing: £500 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 1.28ct lab-grown asscher diamond

This 1.28ct lab-grown asscher sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG579384480 or 579384480. Listed at a single retailer as of October 31, 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

1.28
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.2°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG579384480
Dimensions5.87 × 5.86 × 4.01 mm
L/W Ratio1.00
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
5.87 mm5.86 mm1.28 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG579384480
Side View
Table 58.0%Crown 38.2°Girdle: MediumPavilion 39.1°Culet: NoneDepth 68.4%

Caratlytics Score

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

Last verified: Oct 31
Current: £443 GBP|Low: £283 GBP|High: £999 GBP|Avg: £646 GBP|-21.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
March 18, 2026
Retailer 2£283 GBP
Retailer 1£443 GBP
Retailer 4£459 GBP
Retailer 3£795 GBP
Retailer 5£954 GBP

40 data points across 5 retailers

1 retailer

B+
Diamond Quarter
1.28VS1HLG80F4DAN · Oct 31
£500 GBP
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B+
1.28ct Asscher
£500 GBP