1.16 ct Natural Unheated Ceylon Steel Blue Spinel – Ratnapura, Sri Lanka

Natural Steel Blue Spinel from Sri Lanka

This 1.16 ct natural Steel Blue Spinel is sourced from Ratnapura, one of Sri Lanka’s established gemstone-producing regions. The stone measures 6 × 5.9 × 4 mm and displays an attractive deep steel blue body color with subtle grayish undertones and cool blue reflections.

The gemstone is described as clean and unheated, with a faceted cushion outline. Its darker blue character and polished facet reflections give it a distinctive appearance, making it suitable for gemstone dealers, collectors, jewelry designers, and custom jewelry manufacturers.

 supplied by Liyanage Lapidary from the gem island Sri Lanka, this natural spinel is an interesting choice for buyers seeking blue gemstones with a more subdued, metallic-looking color character.

Steel Blue Color and Visual Appearance

Steel blue is a descriptive gemstone color term commonly used for blue stones with noticeable grayish undertones. Unlike bright royal blue or electric blue, steel blue generally has a cooler and more muted appearance.

This natural spinel displays a dark grayish-blue body color with brighter blue reflections across its polished facets. When viewed from different directions, the lighter facets contrast with deeper blue areas, revealing the stone’s faceted structure.

The overall color character is particularly suitable for contemporary jewelry designs, where a cooler and less saturated blue gemstone is preferred.

Its visual appearance may vary with lighting intensity, direction, and the surrounding environment.

 Natural Spinel – Gemological Characteristics

Spinel is a natural mineral species with the chemical composition MgAl₂O₄, belonging to the cubic crystal system.

Natural spinel has a hardness of approximately 8 on the Mohs scale, making it suitable for a variety of jewelry applications. It is generally durable when handled and set appropriately.

Spinel is singly refractive and commonly has a refractive index close to 1.718, although natural variations occur. Its specific gravity is typically around 3.60.

Blue spinel may obtain its color from trace elements such as iron and cobalt, depending on the stone’s chemical composition.

Unlike sapphire, which belongs to the corundum family, spinel is a separate mineral species with its own crystal structure and optical properties.

These are general gemological properties of spinel rather than individual laboratory measurements for this stone.

 Origin – Ratnapura, Sri Lanka

This natural steel blue spinel originates from the Ratnapura gemstone region of Sri Lanka.

Ratnapura has a long history of gemstone mining, alluvial gemstone recovery, sorting, cutting, and international gemstone trading. The region produces several gemstone varieties, including sapphires, spinels, chrysoberyls, garnets, zircons, and tourmalines.

Sri Lankan natural spinel occurs in a range of colors, including blue, pink, purple, red, and grayish-blue.

This stone’s deep steel blue appearance represents one of the more subdued colors found in natural spinel.

Liyanage Lapidary supports international gemstone buyers through natural gemstone sourcing, cutting, polishing, and finished gemstone supply from Sri Lanka.

Gemstone Specifications

This gemstone is a natural Ceylon Steel Blue Spinel weighing 1.16 ct, with measurements of 6 × 5.9 × 4 mm.

Its color is described as deep steel blue with dark grayish-blue undertones. The clarity is described as clean, and the stone is reported to be unheated.

The gemstone has a faceted cushion-like outline. Its exact facet arrangement has not been separately specified.

The origin is Ratnapura, Sri Lanka. A gemstone certificate or memo has not been provided.

The gemstone is supplied by Liyanage Lapidary for international gemstone buyers, dealers, collectors, jewelry designers, and custom jewelry manufacturers.

Jewelry Design and Setting Potential

The deep steel blue color of this spinel makes it suitable for several jewelry styles, particularly contemporary and minimalist designs.

Its cool blue appearance can complement white gold, platinum, and silver settings. Yellow gold and rose gold may provide a contrasting design option.

With a weight of 1.16 ct and dimensions of 6 × 5.9 × 4 mm, the gemstone can be considered for custom rings, pendants, and individual collector jewelry pieces.

For darker gemstones, appropriate setting design is especially important because the amount of light entering the stone affects its face-up appearance.

A setting that allows suitable light exposure may help display the natural blue reflections of this spinel.

Natural Unheated Spinel for International Buyers

Natural spinel has become an established gemstone choice among dealers, jewelers, collectors, and designers looking for alternatives to traditional sapphire varieties.

This 1.16 ct Ceylon steel blue spinel offers a distinctive grayish-blue color, clean clarity description, natural gemstone identity, and unheated treatment information.

For gemstone buyers, its practical size and distinctive color make it suitable for dealer stock, bespoke jewelry projects, and gemstone selections.

Professionally supplied by Liyanage Lapidary, Sri Lanka, with support for international gemstone supply, sourcing, cutting, and polishing inquiries.