Our Gemstone Collection
At Pinthai, we proudly present an exquisite collection of both precious and semi-precious gemstones to meet every jewelry enthusiast's desires. Explore the timeless allure of Ruby, Emerald, and Sapphire, the cornerstone gems of the industry, with stunning varieties like Pink Sapphire, Teal Sapphire, and Parti Sapphire. Complementing these are our vibrant semi-precious stones, including Amethyst, Aquamarine, Citrine, Moonstone, and Tanzanite, alongside unique options like Labradorite, Lapis Lazuli, and Larimar. Whether you're seeking classic elegance or colorful variety, our curated selection offers unparalleled quality, a wide range of cuts, and expert guidance to help you find your perfect gem.

Precious Gemstones
Precious gemstones are celebrated for their unmatched beauty, rarity, and enduring value. At Pinthai, we take pride in offering an exceptional collection sourced from the world’s most renowned mines. Each gemstone is meticulously inspected for quality, ensuring that our customers receive only the finest selections available. Our extensive inventory includes gems in a wide range of cuts, carat weights, and shapes, allowing you to find the perfect piece for any jewelry design or investment purpose.
- Rubies – Known for their deep, passionate red hue, rubies symbolize love, vitality, and prestige. We provide rubies in all shapes and sizes, from elegant oval cuts to striking cushion shapes, ensuring a perfect fit for any setting.
- Sapphires – Available in a breathtaking variety of colors, with blue sapphires being the most coveted. Our selection includes round, oval, pear, and cushion-cut sapphires, offering endless customization possibilities for bespoke jewelry designs.
- Emeralds – Admired for their vibrant green color and timeless appeal, emeralds are associated with prosperity and renewal. We offer emeralds in a variety of sizes and high-clarity grades, making them ideal for everything from delicate pendants to bold statement rings.
As one of Bangkok’s leading gemstone suppliers, we are committed to providing exquisite, high-quality stones that meet the highest standards of clarity, color, and cut—perfect for fine jewelry, collectors, and investment purposes.


The best quality precious gemstones for fine jewelry include rubies, sapphires, and emeralds. At Pinthai, we provide a diverse selection of these high-value stones in various cuts and carat weights, ensuring exceptional brilliance and authenticity.
Authenticity is crucial when investing in precious gemstones. Our gemstones come with certification verifying their origin, quality, and authenticity. We recommend purchasing from reputable gemstone suppliers in Bangkok, like Pinthai, to ensure genuine, ethically sourced gems.
The value of a precious gemstone is determined by the 4Cs: color, cut, clarity, and carat weight. Additionally, factors such as rarity, origin, and treatment history play a significant role. Our expert team at Pinthai ensures each gemstone meets the highest quality standards before offering it to our clients.

Semi-Precious Gemstones
Semi-precious gemstones captivate with their vibrant colors, striking patterns, and distinctive charm. At Pinthai, we offer a vast collection of semi-precious stones in an array of sizes, cuts, and finishes. Whether you’re crafting custom jewelry, adding to your collection, or seeking a unique gemstone for a statement piece, we have the perfect selection to meet your needs.
- Amethyst – A striking purple gemstone cherished for its rich color and calming energy. Available in various cuts and carat weights, amethyst is ideal for everything from dainty rings to bold necklaces.
- Topaz – Celebrated for its incredible range of colors, from golden yellow to icy blue, topaz is a versatile and radiant choice. Our collection includes faceted topaz in oval, cushion, and pear shapes, enhancing its brilliance.
- Opal – Renowned for its dazzling play of color, opal is a gemstone like no other. Each opal in our collection is carefully sourced and available in freeform, cabochon, and faceted styles, ensuring a truly distinctive look.
- Aquamarine – With its serene blue tones, aquamarine evokes a sense of tranquility and elegance. We offer aquamarine in a variety of sizes and cuts, making it perfect for both classic and modern jewelry designs.
- Garnet, Peridot, Moonstone, and more! – Our selection extends to a diverse range of semi-precious stones, each with its own unique characteristics, perfect for custom jewelry and collectors alike.
As a leading gemstone supplier in Bangkok, we ensure every stone is ethically sourced and expertly crafted. Whether you prefer faceted gems for sparkling brilliance or smooth cabochons for a softer appeal, our collection offers endless possibilities for creativity and elegance.
Bangkok is a global hub for semi-precious gemstones, offering a vast selection including amethyst, topaz, opal, aquamarine, garnet, and peridot. At Pinthai BKK, we provide ethically sourced semi-precious stones in various cuts and sizes for jewelry designers and collectors alike.
Choosing the right semi-precious gemstone depends on color preference, symbolism, and intended use. Whether you're looking for the deep hues of amethyst, the brilliance of topaz, or the mystical appeal of moonstone, our expert team can guide you in selecting the perfect gemstone for your needs.
While semi-precious gemstones vary in hardness, many are durable enough for everyday wear. For example, topaz and garnet are relatively hard, while opals and moonstones require more care. At Pinthai BKK, we provide detailed gemstone ca

