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THE PRIVATE COLLECTION

Certified Natural Gemstone Collection

Explore a limited private collection of certified natural gemstones, including unheated sapphires, chrysoberyls, alexandrite, and spinels. Detailed information and private viewings in Prague are available upon request.

AVAILABLE NATURAL GEMS

Explore the Collection 

Each gemstone is presented individually with its documented characteristics. Select a stone to view further details or request its available gemmological documentation.

Certified 2.436 carat natural light blue oval sapphire

2.436 ct Natural Light Blue Sapphire

Sapphire

2.436

Oval · Faceted

Certified 10.314 carat natural yellow cushion sapphire

10.314 ct Natural Yellow Sapphire

Sapphire

10.314

Cushion · Faceted

Certified 6.647 carat natural yellow cushion sapphire

6.647 ct Natural Yellow Sapphire

Sapphire

6.647

Cushion · Faceted

Certified 5.753 carat natural green-yellow octagonal chrysoberyl

5.753 ct Natural Green-Yellow Chrysoberyl

Chrysoberyl

5.753

Octagon · Faceted

Certified 1.578 carat natural oval alexandrite with colour change

1.578 ct Natural Alexandrite

Alexandrite

1.578

Oval · Faceted

Certified 5.545 carat natural blue oval sapphire

5.545 ct Natural Blue Sapphire

Sapphire

5.545

Oval · Faceted

Certified 1.644 carat natural blue cushion sapphire

1.644 ct Natural Blue Sapphire

Sapphire

1.644

Cushion · Faceted

Certified 3.141 carat natural yellow pear-shaped sapphire

3.141 ct Natural Yellow Sapphire

Sapphire

3.141

Pear · Faceted

Certified 3.066 carat natural greenish-yellow octagonal chrysoberyl

3.066 ct Natural Greenish-Yellow Chrysoberyl

Chrysoberyl

3.066

Octagon · Faceted

Certified 4.708 carat natural deep purplish red octagonal spinel

4.708 ct Natural Deep Purplish Red Spinel

Spinel

4.708

Octagon · Faceted

Certified 3.109 carat natural yellow cushion sapphire

3.109 ct Natural Yellow Sapphire

Sapphire

3.109

Cushion · Faceted

Certified 3.057 carat natural yellow cushion sapphire

3.057 ct Natural Yellow Sapphire

Sapphire

3.057

Cushion · Faceted

Certified 2.270 carat natural pink cushion sapphire

2.270 ct Natural Pink Sapphire

Sapphire

2.27

Cushion · Faceted

Certified 2.492 carat natural yellowish-green oval chrysoberyl

2.492 ct Natural Yellowish-Green Chrysoberyl

Chrysoberyl

2.492

Oval · Faceted

Certified 1.608 carat natural deep blue octagonal spinel

1.608 ct Natural Deep Blue Spinel

Spinel

1.608

Octagon · Faceted

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A private collection of certified natural sapphires, presented with discretion and personal attention.

info@baktradingtn.com
Prague, Czech Republic
Private viewings by appointment only

PRIVATE GEMSTONES
CONTACT
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