Lab Created Gemstones – Synthetic Corundum – Lab Created Ruby – Synthetic Ruby

About Lab Created Ruby

Lab Created Ruby is a synthetic variety of Corundum (Al₂O₃) with a beautiful pink to deep blood-red color. It offers outstanding brilliance, exceptional durability, and a hardness of 9 on the Mohs scale. Therefore, it is an excellent choice for fine jewelry and industrial applications.

In ancient times, rubies were often considered more valuable than diamonds. According to Chinese legend, Emperor Kublai Khan offered an entire city in exchange for a single ruby. Many cultures believed that ruby increased awareness, improved concentration, and inspired courage. Furthermore, its rich red color symbolized the sun. Some legends even claimed that placing a ruby in water would make the water boil.

Today, both natural and lab created rubies are valued for jewelry as well as industrial applications. Manufacturers use ruby crystals in watches, medical instruments, scientific equipment, and laser technology because of their excellent optical properties.

Gemstone Specifications

• Color: Pink to blood-red
• Chemical Composition: Al₂O₃ (Corundum)
• Available Cuts: Baguette, Cushion, Emerald, Heart, Marquise, Oval, Pear, Round, Square, Triangle, and Trillion
• Specific Gravity: 3.97–4.05
• Refractive Index: 1.768–1.772
• Hardness: 9 on the Mohs Scale
• Birthstone: July

Unusual Properties

Many people associate ruby with confidence, courage, awareness, and mental focus. In addition, its remarkable hardness makes it suitable for everyday jewelry.

Besides its beauty, both natural and lab created rubies are widely used in watchmaking, medical instruments, precision equipment, and surgical lasers. These gemstones provide excellent durability and reliable optical performance for advanced applications.

Treatment

Manufacturers create Lab Created Rubies using two primary production methods. Both methods combine aluminum oxide with chromium to produce the rich red color that characterizes ruby. However, each process produces crystals with unique characteristics.

Flame Fusion Method

The Flame Fusion method was the first successful process used to produce synthetic corundum. During production, manufacturers melt aluminum oxide with chromium at extremely high temperatures. The molten material cools rapidly and forms ruby crystals within a few hours.

This method creates gemstones with excellent clarity and a bright appearance. However, rapid crystal growth may produce tiny gas bubbles and fewer inclusions than those found in natural rubies.

Flux Growth Method

The Flux Growth method takes considerably longer and may require up to six months to complete. During this process, manufacturers place the minerals into a molten chemical solution called flux. They carefully control the temperature and pressure so the crystals grow slowly.

As a result, Flux-grown rubies closely resemble natural rubies. They develop straight growth patterns and display characteristics similar to naturally formed gemstones.

Jewelry Uses

Lab Created Rubies are ideal for many jewelry styles, including:

• Rings
• Necklaces
• Earrings
• Bracelets
• Pendants
• Custom jewelry

Their brilliant color, outstanding durability, and excellent hardness make them suitable for everyday wear and special occasions.

What We Supply

We supply premium-quality Lab Created Loose Rubies in a wide variety of cuts and sizes. Every gemstone is carefully selected to provide excellent brilliance, consistent color, and outstanding value for jewelry manufacturers, wholesalers, retailers, designers, and collectors.