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 vibrant pink to deep blood-red color. It offers exceptional brilliance, excellent durability, and a hardness of 9 on the Mohs scale. Therefore, it is a popular 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 deep red color symbolized the sun. Some stories even claimed that placing a ruby in water would cause the water to boil.

Today, ruby crystals are valued not only for jewelry but also for watches, medical instruments, 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. Its intense red color and outstanding hardness make it ideal for everyday jewelry. In addition, both natural and lab created rubies are widely used in watchmaking, medical instruments, precision equipment, and surgical lasers because of their reliable performance.

Treatment

Manufacturers produce Lab Created Rubies using two primary methods. Both processes combine aluminum oxide with chromium to create the rich red color that characterizes ruby.

Flame Fusion Method

The Flame Fusion method was the first successful process for producing synthetic corundum. Manufacturers melt aluminum oxide with chromium at very high temperatures. The material cools quickly and forms ruby crystals within a few hours.

This process produces gemstones with excellent clarity and a bright appearance. However, the rapid crystal growth may create tiny gas bubbles and fewer inclusions than natural rubies.

Flux Growth Method

The Flux Growth method takes considerably longer and may require up to six months. During production, 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 suitable for many types of jewelry, including:

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

Their durability, brilliant color, and excellent hardness make them suitable for everyday wear as well as 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 deliver excellent color, brilliance, consistency, and value for jewelry manufacturers, wholesalers, retailers, designers, and collectors.