Best Loose Gemstones Under $100 (2026)
Selections were chosen by a value score combining gemstone type, cut, total carat or piece count, seller-provided attributes, and suitability for jewelry making under $100
The Verdict
- Best Overall: Rainbow Moonstone with Black Tourmaline cabochons — Best for contrast: rainbow moonstone paired with black tourmaline offers visual depth for mixed-material jewelry
- Best Value: Gempires Rainbow Moonstone with Black Tourmaline Cabochons — Best for jewelry supplies: complementary rainbow moonstone and black tourmaline cabochons suited to mixed-piece projects
This roundup highlights loose gemstones and cabochons under $100 selected for value, material variety, and suitability for jewelry making or craft projects. Picks were ranked by a value score that balances gemstone type, carat counts, cut (cabochon vs. rough), and seller-provided details to favor versatile, well-documented options
Top Picks
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1
Best Overall Rainbow Moonstone with Black Tourmaline cabochons
Best for contrast: rainbow moonstone paired with black tourmaline offers visual depth for mixed-material jewelry
Natural rainbow moonstone with black tourmaline cabochons in mixed shapes and sizes, polished for shimmer and grounding inclusions. Great for wire wrapping and jewelry making, with positive feedback on beauty and quality
- mixed shapes & sizes
- polished for shimmer
- grounding inclusions
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2
Best Value Gempires Rainbow Moonstone with Black Tourmaline Cabochons
Best for jewelry supplies: complementary rainbow moonstone and black tourmaline cabochons suited to mixed-piece projects
Polished cabochons combining rainbow moonstone iridescence with black tourmaline inclusions for jewelry making. Customers note their beauty and quality, ideal for contemporary designs
- luminous rainbow moonstone
- grounding black tourmaline
- polished cabochons for display
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3
SGM Shop Natural Cabochon Gemstones Mix (100 Cts) for Jewelry Making
Best for variety: mixed-color cabochon bundle provides lots of options for multi-piece or mixed-metal creations
Natural cabochon loose gemstones in a mixed color assortment, suitable for jewelry making, crafts, and DIY projects. Notable for varied color and size; customers mention good quality and generous sizing
- mixed cabochon colors
- suitable for wire wrapping
- A+ quality indication from listing
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4
SGM Shop Natural Cabochon Loose Gemstones (100 Cts, 3-5 Pcs) for Jewelry Making
Best for turquoise projects: small sets of flat-back turquoise cabochons are practical for beading and inlay work
Natural cabochon turquoise mix in flat-back shapes for jewelry making and crafts. Great for wire wrapping and healing rituals; emphasizes color and quality according to customer feedback
- natural turquoise mix
- flat-back cabochons
- 3-5 pieces per set
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5
100 Carat Natural Gemstone Cabochons for Jewelry Making
Best for beading kits: 100 carat natural cabochon assortment offers consistent material for necklaces and bracelets
Natural gemstone cabochons for jewelry making and crafts. Suitable for beading, necklaces, bracelets, earrings, and pendants. Customer insight mentions versatile use
- natural gemstone cabochons
- multi-piece set
- ideal for various jewelry crafts
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6
Rhodochrosite gemstone cabochons for jewelry making, 100 carat
Best for pink accents: rhodochrosite cabochons deliver consistent pink tones ideal for feminine jewelry designs
Natural rhodochrosite cabochons for jewelry making and gifting. Supports heart-centered symbolism and emotional healing. Customer insight hints at love and compassion themes
- natural gemstone material
- chakra/heart symbolism
- cabochon assortment
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7
100 Carat Psilomelane Gemstone Cabochons (3–5 pcs) for Jewelry Making
Best for dark patterns: psilomelane cabochons provide bold black-and-gray banding for statement pieces
Natural psilomelane cabochons bundle for jewelry making. Includes lustrous black formations suitable for beading and spiritual-inspired designs. Customer note: some belief in metaphysical transformation and intuition enhancement varies by individual
- natural psilomelane gemstone
- cabochon set (3–5 pieces)
- ideal for jewelry making
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8
Mexico Green Andara Obsidian Rough Gemstone (1050-1150 ct)
Best for rough texture: Mexico green Andara/obsidian rough gives a raw, natural look for organic-style jewelry
Uncut green obsidian rough gemstone from Mexico, AAA quality for jewelry crafting or collector pieces. Suitable for DIY rings, pendants, and necklaces. Customer notes indicate interest in creative projects
- AAA quality green obsidian
- 1050-1150 carat rough gem
- from Mexico