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Asscher|Lab Grown|IGI

1.64ct E VS1 Asscher Lab Grown Diamond

ID • E/VS1 • IGI LG678548235

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG678548235

Diamond specifications and retailer prices

From £569 GBP
As of October 29, 2026
1 retailer carries this diamond
Only listing: £569 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 1.64ct lab-grown asscher diamond

This 1.64ct lab-grown asscher sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG678548235 or 678548235. Listed at a single retailer as of October 29, 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

1.64
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle24.7°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678548235
Dimensions6.62 × 6.55 × 4.04 mm
L/W Ratio1.01
Culet sizePointed
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
6.62 mm6.55 mm1.64 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678548235
Side View
Table 59.0%Crown 24.7°Girdle: MediumPavilion 41°Culet: NoneDepth 61.7%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 29
Current: £335 GBP|Low: £129 GBP|High: £1,885 GBP|Avg: £637 GBP|-1.4%
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August 14, 2026
Retailer 11£132 GBP
Retailer 9£279 GBP
Retailer 1£335 GBP
Retailer 13£337 GBP
Retailer 12£368 GBP
Retailer 7£439 GBP
Retailer 8£516 GBP
Retailer 3£570 GBP
Retailer 4£677 GBP
Retailer 2£882 GBP
Retailer 5£907 GBP
Retailer 6£1,164 GBP
Retailer 10£1,853 GBP

61 data points across 13 retailers

1 retailer

B+
Diamond Quarter
1.64VS1ELG357B6AN · Oct 29
£569 GBP
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B+
1.64ct Asscher
£569 GBP