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OUR PRODUCTION
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Learn more about methods of crystal growth in our booklet

EMERALD

Known for their vibrant green color and natural-looking inclusions that enhance their character, our hydrothermal emeralds are available in the two color varieties: the bright bluish-green typical of Colombian emeralds and the deeper, richer green associated with Zambian stones. These distinctions make them a unique and desirable choice for fine jewelry.

ALEXANDRITE

Famous for its color-changing ability, alexandrite shifts from green in natural light to red under artificial light, providing a unique and striking effect.

RUBY

Celebrated for their deep red hues and exceptional durability, perfect for creating bold, timeless jewelry pieces.

SAPPHIRE

​Valued for their strength and come in a wide range of colors, making them versatile for various designs.

SPINEL

Available in an array of vibrant colors, offering brilliant sparkle and making them ideal for both classic and modern styles.

OPAL

Known for their mesmerizing play of color, displaying a stunning mix of shades that make each stone truly unique.

YAG

Yttrium Aluminium Garnet is a durable, transparent crystal used in lasers, optics, and as a diamond alternative in jewelry. It is valued for its hardness, clarity, and resistance to heat, making it popular in both industrial and decorative applications.

BERYL

Widely recognized group of minerals, known for containing some of the most popular gemstones, such as emeralds, morganites, and aquamarines.

CUBIC ZIRCONIA

One of the most common and well-known materials in the jewelry market. CZ offers an excellent sparkle and is a cost-effective alternative to diamonds, perfect for creating dazzling yet affordable jewelry.

QUARTZ

Known for its clarity and versatility, quartz is one of the most abundant and widely used gemstones in the world, prized for its wide variety of colors and forms.

RUTILE AND DIAMOND IMITATIONS

Diamonds remain unmatched in brilliance and hardness, long regarded as the ultimate symbol of luxury and enduring elegance. In our laboratories, various diamond-like stones have been grown over the years—among them, well-known classics such as rutile—each reflecting the beauty and light of a diamond in its own way.

RARE GEMS

Unique and hard to find, these stones offer distinct colors and properties that make them ideal for exclusive, standout jewelry pieces. For nearly three decades, RG Crystals has specialized in growing rare gemstones—materials so uncommon that many of them are virtually unavailable anywhere else.

© RG Crystals

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