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All Gemstones, Color Rainbow


Buy Natural Loose Gemstones Online – 4,000+ Gemstones Available

Browse a curated collection of natural loose gemstones sourced from renowned gem producing regions around the world. Gempiece offers a wide selection of gemstones suitable for collectors, jewelers and gemstone enthusiasts.

Explore over 4,000 gemstones with detailed specifications, professional macro photography and high-resolution video, allowing buyers to closely examine color, brilliance and inclusions before purchase. With secure payment gateways and worldwide shipping, Gempiece offers a trusted place to buy gemstones online.

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Total Products : 21
SKU: GEM26014059
Presenting a Rainbow hue, this Rainbow Opal reflects a rich and well-defined appearance. Its natural formation enhances its overall appearance. Known for its consistent demand, this gemstone remains a preferred choice in international trade. A carefully cut Oval Cabochon Rainbow Opal weighing 7.48 c..
$208.00
Rainbow Opal  51.30cts - 38x25mm Rainbow Opal  51.30cts - 38x25mm
SOLD - Out Of Stock
SKU: GEM25083855
Its well-defined Rainbow color enhances the presence of this Rainbow Opal. Limited natural occurrence enhances its desirability among collectors and high-end buyers. Traded across multiple countries, it reflects strong acceptance worldwide. This Pear Cabochon Rainbow Opal weighing 51.30 carats displ..
$4,399.00
SKU: GEM25023663
This Scapolite reveals a Rainbow hue with a soft and pleasing visual effect. An accessible option for buyers seeking attractive natural gemstones. Widely accepted in global jewelry trade, this gemstone remains consistently relevant. A Oval Cabochon cut Scapolite weighing 26.02 carats displays a Rain..
$87.00
SKU: GEM23052991
This Rainbow Opal highlights a Honey with Rainbow Flashes color with crisp internal reflections and a clean finish. Its blend of color and accessible pricing makes it a versatile choice for everyday wear. A globally recognized gemstone with steady presence in the jewelry industry. This natural Rainb..
$307.00
SKU: GEM22112824
This Rainbow Opal reveals a Rainbow color with a lively and eye-catching presence. Its blend of color and accessible pricing makes it a versatile choice for everyday wear. This gemstone is widely traded across international markets, reflecting strong global demand and recognition. A 1.98 carat Rainb..
$43.00
SKU: GEM22102738
This Rainbow Opal displays a Rainbow color with good clarity and strong reflection. Its consistent color supports everyday wear. Recognized across major gemstone markets, it maintains steady demand among global buyers. Cut in Oval Cabochon, this Rainbow Opal weighing 2.12 carats displays a Rainbow t..
$65.00
SKU: GEM22092698
This natural Rainbow Opal features a Rainbow color with even distribution and refined depth. Its natural beauty makes it a good choice for regular use. Valued across different countries, it holds strong presence in gemstone trade. This Rainbow Opal weighing 3.75 carats in Trilliant Cabochon displays..
$76.00
SKU: GEM22092593
This Rainbow Opal features a Rainbow color with even tone and smooth finish. Its natural formation enhances its overall appearance. Appreciated globally for its natural characteristics and visual appeal. A Fancy cut Rainbow Opal weighing 6.03 carats displays a Rainbow tone with clarity Transparent a..
$87.00
SKU: GEM22092524
This Rainbow Opal reveals a Rainbow hue with a soft and pleasing visual effect. A versatile gemstone with consistent color and clarity. Valued across different countries, it holds strong presence in gemstone trade. A Oval Cabochon cut Rainbow Opal weighing 7.99 carats displays a Rainbow tone with tr..
$131.00
SKU: GEM22082494
With a Rainbow color, this Rainbow Opal maintains an even tone and smooth finish. Offering both affordability and natural beauty, it remains a popular choice. A gemstone with strong international presence and wide acceptance. A well-cut Oval Cabochon Rainbow Opal weighing 3.77 carats shows a Rainbow..
$87.00
SKU: GEM22052134
With a Rainbow hue, this Rainbow Opal reflects strong color depth and natural vibrancy. Color stability maintains its natural appearance. Valued by jewelers across different regions, this gemstone is suitable for various jewelry styles. With a Fancy cut, this Rainbow Opal weighs 7.97 carats and pres..
$197.00
SKU: GEM22052129
This Fire Opal features a Fire Orange With Play Of Colors color with even tone and smooth finish. This gemstone presents a natural look suitable for daily wear. Widely accepted in global jewelry trade, this gemstone remains consistently relevant. With 1.40 carats and a Oval cut, this Fire Opal prese..
$76.00
Showing 1 to 12 of 21 (2 Pages)
Natural Loose Gemstones Collection

Browse our extensive selection of natural loose gemstones sourced from renowned gem producing regions around the world. Our inventory features over 4,000 gemstones carefully selected for collectors, jewelers and gemstone enthusiasts seeking quality gemstones for jewelry design, collecting or investment.

Each gemstone is individually photographed using professional macro photography and high-resolution video so buyers can closely examine color, brilliance and inclusions before purchase. Detailed specifications including weight, dimensions, origin and treatments provide transparent information for selecting the right gemstone.

Popular Gemstone Categories

Explore popular gemstone categories such as Ruby, Sapphire, Spinel, Garnet, Tourmaline, Zircon, Peridot, Moonstone and Topaz.

Explore these gemstone categories to discover a wide range of colors, shapes and sizes available in our collection. Whether you are searching for a rare collector stone or a gemstone for custom jewelry, Gempiece offers a carefully curated selection available for worldwide delivery.

Why Buy Gemstones from Gempiece

Gempiece specializes in natural loose gemstones selected for their beauty, rarity and authenticity. Many gemstones in our inventory are untreated and sourced from trusted suppliers and mining regions around the world, offering buyers a transparent and reliable place to explore fine gemstones.

✓ Natural Gemstones
✓ 4,000+ Gemstones Available
✓ Worldwide Shipping
✓ 14-Day Return Policy
✓ Secure Payments
Learn About Gemstones

Visit our Gemopedia to learn about gemstone origins, colors, rarity and characteristics. These gemstone guides help collectors, jewelers and enthusiasts understand gemstone quality, treatments and value before selecting the perfect gemstone.

Popular gemstone guides: Ruby Guide | Star Ruby | Burmese Ruby | Pigeon Blood Ruby | Mozambique Ruby

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