What is a loose star sapphire?

A loose star sapphire is a gemstone that displays a star-like optical phenomenon, known as asterism, due to its six-ray structure. These gems, such as Blue Star Sapphire and Black Star Sapphire, are perfect for creating custom jewelry like rings and pendants.

What colors are available for loose star sapphires?

Loose star sapphires come in various colors, including Blue Star Sapphire, Pink Star Sapphire, Yellow Star Sapphire, White Star Sapphire, and Black Star Sapphire. Each color adds its own unique charm to jewelry designs.

What is the meaning of asterism in gemstones?

Asterism in gemstones refers to the star-like effect visible on the surface of star sapphires. This phenomenon is caused by needle-like inclusions reflecting light in a way that creates a six-ray star pattern, as seen in natural and untreated star sapphires.

What types of jewelry can be made with star sapphires?

Star sapphires are versatile and can be used to create stunning custom jewelry, such as Star Sapphire Rings, Star Sapphire Pendants, Star Sapphire Earrings, and even unique Star Sapphire Engagement Rings.

Are loose star sapphires natural or treated?

Loose star sapphires can be found as natural star sapphires or untreated star sapphires, valued for their authenticity and rarity. These rare star sapphires are highly sought after by collectors and designers.

Do you offer affordable loose star sapphires?

Yes, we provide a range of affordable star sapphires, including options for wholesale loose star sapphire purchases. This ensures that both casual buyers and professional jewelers can find high-quality gems to suit their needs.

Why are rare star sapphires so valuable?

Rare star sapphires are prized for their exceptional quality, unique asterism, and natural origins. Their beauty makes them a top choice for creating one-of-a-kind jewelry pieces, such as Star Sapphire Pendants or engagement rings.

Can I purchase loose star sapphires wholesale?

Absolutely! We offer wholesale loose star sapphire options for bulk purchases, ideal for jewelers and collectors looking for a variety of natural, untreated, and six-ray star sapphire stones.

What makes six-ray star sapphires unique?

Six-ray star sapphires are unique due to their stunning optical phenomenon, which creates a perfect star effect on the surface of the gem. This feature makes them an ideal choice for both custom star sapphire jewelry and collectors' items.

Loose Star Sapphire: Shop Blue, Black, Pink, Yellow and White Star Sapphire Gems

Star Sapphire Weight

Star Sapphire Size

Star Sapphire Clarity

Star Sapphire Price

Star Sapphire Treatment

Size Explained

Choose Size or Size Range

For Example: 6-7

For Example: 8-9

All

None

Heated

Be-Heated

Bi-color

Black Star Sapphire

Blue Star Sapphire

Brown

Golden

Gray Star Sapphire

Green

Multicolor

Orange

Pink

Purple

Red

Turquoise

Violet

White

Yellow Star Sapphire

Single

Pairs

Lots

Faceted

Cabochons

Clear All

4.01ct Black Star Sapphire, Pear Shape, Opaque

11 x 7.9 mm

$ 71.89

View Gem

3.31ctw Blue Star Sapphire, Oval, Opaque

7 x 5 mm (calibrated)

$ 72.53

View Gem

3.42ct Black Star Sapphire, Oval, Opaque

10.1 x 7.5 mm

$ 61.31

View Gem

3.86ctw Blue Star Sapphire, Oval, Opaque

7 x 5 mm (calibrated)

$ 76.13

View Gem

1.60ct Blue Star Sapphire, Oval, Opaque

7 x 5 mm (calibrated)

$ 36.65

View Gem

4.72ctw Blue Star Sapphire, Oval, Opaque

7 x 5 mm (calibrated)

$ 93.08

View Gem

16.13ct Yellow Star Sapphire, Oval, Opaque

15.7 x 12.8 mm

$ 144.59

View Gem

3.34ct Black Star Sapphire, Oval, Opaque

9.7 x 7.4 mm

$ 59.88

View Gem

5.13ct Black Star Sapphire, Oval, Opaque

10.6 x 8.1 mm

$ 91.97

View Gem

3.60ct Blue Star Sapphire, Oval, Opaque

9 x 7 mm (calibrated)

$ 82.47

View Gem

4.29ctw Blue Star Sapphire, Oval, Opaque

7 x 5 mm (calibrated)

$ 84.60

View Gem

6.52ct Black Star Sapphire, Oval, Opaque

11.8 x 9 mm

$ 108.23

View Gem

1.63ct Blue Star Sapphire, Oval, Opaque

8 x 6 mm (calibrated)

$ 37.34

View Gem

2.89ct Blue Star Sapphire, Oval, Opaque

9 x 7 mm (calibrated)

$ 66.20

View Gem

5.71ct Black Star Sapphire, Oval, Opaque

10 x 8 mm (calibrated)

$ 102.37

View Gem

4.27ctw Blue Star Sapphire, Oval, Opaque

7 x 5 mm (calibrated)

$ 84.21

View Gem

3.44ct Black Star Sapphire, Oval, Opaque

11 x 9 mm (calibrated)

$ 61.67

View Gem

4.60ct Black Star Sapphire, Oval, Opaque

10.2 x 8.9 mm

$ 91.63

View Gem

4.89ct Black Star Sapphire, Oval, Opaque

11 x 9 mm (calibrated)

$ 97.41

View Gem

3.50ct Black Star Sapphire, Oval, Opaque

9 x 7 mm (calibrated)

$ 52.29

View Gem

3.36ctw Blue Star Sapphire, Oval, Opaque

7 x 5 mm (calibrated)

$ 73.62

View Gem

4.23ct Black Star Sapphire, Oval, Opaque

10.4 x 7.6 mm

$ 75.84

View Gem

4.68ctw Blue Star Sapphire, Oval, Opaque

7 x 5 mm (calibrated)

$ 102.55

View Gem

0.69ct Blue Star Sapphire, Oval, Opaque

5.3 x 4.1 mm

$ 22.91

View Gem

« 1 2 3

...

8 »

Choose Page

1 - 14

Why Buy Star Sapphire from GemSelect?

Trusted Worldwide Since 2003
Supplying natural gemstones to jewelers and collectors in 120+ countries
Verified natural gemstones
View All GemSelect Reviews on Bizrate
Secure checkout and insured worldwide delivery
30-day returns and satisfaction guarantee

GemSelect Certified Store Reviews

GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!

Overall Rating -> 9

Fast snd easy to find what I was looking for

Posted By Bawb in May, 2026

Source: Bizrate

Overall Rating -> 10

the selection is good as are the prices

Posted By Old man in August, 2025

Source: Bizrate

Overall Rating -> 10

Web site is very simple to navigate Selection is terrific

Posted By ToRa.62 in April, 2026

Source: Bizrate

Overall Rating -> 10

Very neat and to the point

Posted By Botha in March, 2026

Source: Bizrate

Overall Rating -> 8

Good prices

Posted By TRM in October, 2025

Source: Bizrate

Overall Rating -> 10

The website has a good selection, the interface is very intuitive.

Posted By PhoenixFeatherJewelry in January, 2026

Source: Bizrate

→ View All GemSelect Reviews on Bizrate