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Asscher|Lab Grown|IGI

1.00ct E SI1 Asscher Lab Grown Diamond

ID • E/SI1 • IGI LG520289264

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG520289264

Diamond specifications and retailer prices

From HK$5,430 HKD
£545 GBP
As of October 29, 2026
1 retailer carries this diamond
Only listing: HK$5,430 HKD 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 1ct lab-grown asscher diamond

This 1ct lab-grown asscher sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG520289264 or 520289264. 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. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG520289264
Dimensions5.59 × 5.51 × 3.60 mm
L/W Ratio1.01
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
5.59 mm5.51 mm1.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG520289264
Side View
Table 70.5%Crown 34.5°Girdle: MediumPavilion 37.6°Culet: NoneDepth 65.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: HK$1,458 HKD|Low: HK$1,216 HKD|High: HK$11,770 HKD|Avg: HK$4,191 HKD|+2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
March 30, 2026
Retailer 5HK$1,389 HKD
Retailer 1HK$1,458 HKD
Retailer 8HK$1,789 HKD
Retailer 7HK$2,310 HKD
Retailer 2HK$2,738 HKD
Retailer 3HK$3,617 HKD
Retailer 4HK$4,155 HKD
Retailer 9HK$7,454 HKD
Retailer 6HK$11,770 HKD

57 data points across 9 retailers

1 retailer

B
Diamond Quarter
1.0SI1ELG645338N · Oct 29
HK$5,430 HKD
£545 GBP
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B
1.00ct Asscher
HK$5,430 HKD