Asscher|Lab Grown|IGI

1.63ct H SI1 Asscher Lab Grown Diamond

ID • H/SI1 • IGI LG508153183

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG508153183

Diamond specifications and retailer prices

From HK$6,357 HKD
£638 GBP
As of November 5, 2026
1 retailer carries this diamond
Only listing: HK$6,357 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 1.63ct lab-grown asscher diamond

This 1.63ct lab-grown asscher sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG508153183 or 508153183. Listed at a single retailer as of November 5, 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

1.63
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle22.1°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508153183
Dimensions6.51 × 6.49 × 4.20 mm
L/W Ratio1.00
Culet sizePointed
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
6.51 mm6.49 mm1.63 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508153183
Side View
Table 65.0%Crown 22.1°Girdle: MediumPavilion 38.2°Culet: NoneDepth 64.7%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 5
Current: HK$16,859 HKD|Low: HK$855 HKD|High: HK$16,859 HKD|Avg: HK$6,411 HKD|+389.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
July 20, 2026
Retailer 4HK$2,205 HKD
Retailer 5HK$2,887 HKD
Retailer 6HK$3,060 HKD
Retailer 3HK$6,457 HKD
Retailer 7HK$7,155 HKD
Retailer 2HK$12,631 HKD
Retailer 1HK$16,859 HKD

32 data points across 7 retailers

1 retailer

B+
Diamond Quarter
1.63SI1HLG831452N · Nov 5
HK$6,357 HKD
£638 GBP
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B+
1.63ct Asscher
HK$6,357 HKD