Blue Sapphire

Item Number: SAP-PURPIN-2020-219

€12.200,00

incl. VAT

In stock

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Details

Price:

12.200,00 €

Weight:

6,998 ct.

Color:

purple-pink

Shape:

Others

Dimensions:

11,67 mm x 11,65 mm x 6,03 mm

Purity:

small inclusions (D)

Origin:

Sri Lanka

Treatment:

Untreated

Certificate:

GLA50709 CGL

Item Number:

SAP-PURPIN-2020-219

facts

properties of sapphire

Belongs mineralogically to corundum
Hardness grade 9
Chemical formula: Al2O3
Includes all colors except red, red corundum is called “ruby
Coloration generally by metal oxides (e.g. blue: titanium oxide)
High density of 3.9 – 4.1

origin

worth knowing

Oldest known locality: Burma
The legendary place of discovery: “Kashmir”
Assigned to the planet Saturn
Besides blue, pink sapphire is especially sought after: “hot pink”.
The most recently discovered localities are Madagascar and Ethiopia

investment in sapphire

second most suitable of all gemstones for investment
less rare than ruby but also strongly increasing in value
Stones should have at least 1 ct weight, better from 3 ct.
larger stones have higher increase in value
Experts reckon with 6% increase in value per year
beautiful sparkling sapphires are preferable