11.50 ct Natural Ceylon Vivid Orange Sapphire Octagon Cut from Sabaragamuwa, Sri Lanka

This natural Ceylon orange sapphire weighs 11.50 carats and is cut in an octagon shape. The gemstone measures 15.8 × 9.5 × 7.4 mm and displays a vivid orange color with loupe clean clarity, excellent transparency, and strong luster. Sourced from Ve Ganga river mining area in Sabaragamuwa, Sri Lanka, this gemstone is suitable for gem dealers, jewelers, collectors, and custom jewelry manufacturers looking for a large Ceylon sapphire with strong color and professional jewelry potential.

Gemstone Explanation

Orange sapphire belongs to the corundum family, the same gemstone family as blue sapphire, yellow sapphire, pink sapphire, padparadscha sapphire, and ruby. This gemstone was originally a yellow sapphire rough and turned into a vivid orange color after standard heat treatment.

The stone has loupe clean clarity, which gives it a clean appearance under close inspection. Its excellent transparency and luster allow the orange color to show clearly through the cut. The octagon shape gives the gemstone a strong outline and makes it suitable for professional jewelry design.

Origin Explanation

This sapphire is sourced from Ve Ganga river mining area in Sabaragamuwa, Sri Lanka. Sabaragamuwa is one of Sri Lanka’s important gemstone regions, connected to the country’s long history of sapphire, spinel, garnet, zircon, chrysoberyl, tourmaline, and other natural colored gemstones.

Sri Lanka is internationally known as the gem island. Ceylon sapphires from Sri Lanka are respected in the gemstone trade because of their color variety, natural origin, cutting tradition, and long-standing reputation among global gem buyers.

Gemstone Details

Gemstone: Natural Ceylon Orange Sapphire

Weight: 11.50 ct

Measurements: 15.8 × 9.5 × 7.4 mm

Shape / Cut: Octagon cut

Color: Vivid orange

Clarity: Loupe clean

Treatment: Standard heated only

Origin: Ve Ganga river mining area, Sabaragamuwa, Sri Lanka

Country: Ceylon / Sri Lanka

Special Note: Heated from yellow sapphire rough and turned vivid orange

Transparency: Excellent

Luster: Excellent

Supplier: Liyanage Lapidary

Recommended Use: Statement ring, pendant, collector stone, dealer stock, custom jewelry manufacturing

Durability and Gemstone Family

Sapphire is a variety of corundum and is one of the most durable gemstones used in jewelry. With a hardness of 9 on the Mohs scale, sapphire is suitable for rings, pendants, earrings, and other jewelry designs intended for regular wear.

This makes orange sapphire a strong option for jewelry manufacturers who require both attractive color and practical durability. The large 11.50 ct size also makes this stone suitable for statement jewelry and collector-level gemstone layouts.

Jewelry Use Suggestions

This 11.50 ct octagon-cut orange sapphire can be used as a center stone for a statement ring, pendant, or custom jewelry design. The vivid orange color works well with yellow gold, rose gold, white gold, and platinum settings. Its long octagon shape provides flexibility for both modern and classic jewelry designs.

. this sapphire offers a strong combination of size, color, clarity, origin, and jewelry use potential. It is suitable for dealer inventory, custom jewelry orders, collector pieces, and high-visibility center-stone designs.