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GIA Certified Oval Black Opal 18K Gold Pendant and Pin – Assay Jewelers
Pomellato Hessonite Garnet Cabochon 18K Yellow Gold Vintage 1970s Ring – Assay Jewelers
GIA Certified 9.48 Carat Paraiba Tourmaline Diamond Cluster Ring – Assay Jewelers
Piaget Dancer Opal Dial 18K Gold 90563 Quartz 23.5mm Watch – Assay Jewelers
15.50 Carat Round Tanzanite & 1.50 Carat Diamond Double Halo 14K White Gold Ring – Assay Jewelers
1.50 Carat Radiant Cut Tanzanite & Diamond Accents 14K Yellow Gold Bar Set Ring – Assay Jewelers
39.20 Carat Emerald Cut Aquamarine & Diamond Retro Era 14K White Gold Wing Pin – Assay Jewelers
Vintage Longines Opal Mosaic Dial 34mm Diamond Bezel 18K White Gold Watch – Assay Jewelers
14 Carat Oval Bezel Set Peridot 14K Gold Link Bracelet 7" – Assay Jewelers
4.02 Carat Cushion Rhodolite Garnet 14K Gold Solitaire Pendant – Assay Jewelers
GIA Certified 2.62 Carat Oval Green Alexandrite & Diamond Platinum Vintage Ring – Assay Jewelers
GIA Certified 0.86 Carat Brazilian Alexandrite & Diamond Platinum Drop Necklace – Assay Jewelers
GIA Certified 0.61 Carat Marquise Alexandrite Diamond Platinum Drop Necklace – Assay Jewelers
3.54 Carat Trilliant Rubellite Pink Tourmaline & Diamond 18K Two Tone Gold Ring – Assay Jewelers
5 Carat Oval Cabochon Moonstone & Round Aquamarine 14K White Gold Cocktail Ring – Assay Jewelers
14.55 Carat Cushion Peridot & Diamond Split Shank 18K Yellow Gold Cocktail Ring – Assay Jewelers
7.50 Carat Oval Checkerboard Red Garnet Bezel 14K Yellow Gold Mens Signet Ring – Assay Jewelers
GIA Certified 13.75 Carat Hessonite Garnet & Diamond Platinum Cocktail Ring – Assay Jewelers
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20.45 Carat Emerald Cut Tanzanite & Diamond in 14K Two Tone Gold Cocktail Ring – Assay Jewelers
1.73 Carat Tsavorite Garnet & Ruby Eye Pavé Snake 18K Black Gold Cocktail Ring – Assay Jewelers
20.86 Carat Oval Aquamarine Tsavorite Diamond Dome 18K White Gold Cocktail Ring – Assay Jewelers
GIA Certified 8.69 Carat Cabochon Black Opal & Diamond in Platinum Cocktail Ring – Assay Jewelers
GIA Cert. 5.10 Carat Untreated Black Opal Diamond Halo Platinum Starburst Ring – Assay Jewelers
GIA 8.89 Carat Oval Pyrope Almandine Garnet Six Prong 18K Yellow Gold Solitaire – Assay Jewelers
Natural Carved Malachite Quatrefoil Floral Dome Four-Prong 14K Yellow Gold Ring – Assay Jewelers
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3.59 Carat Oval Pink Tourmaline and Baguette Diamond 18K White Gold Unisex Ring – Assay Jewelers
2.51 Carat Fire Opal, Yellow Sapphire, and Diamond 14K Rose Gold Drop Earring – Assay Jewelers
4.65 Carat Spessartine Garnet Diamond Lattice Wide Band 18K Two Tone Gold Ring – Assay Jewelers
2.70 Carat Black Opal Freeform Shape Bezel Set 18K White Gold Ring – Assay Jewelers
Vintage 6 Carat Oval Cut Peridot 14K Gold Fluted Sunburst Ring – Assay Jewelers
Vintage Oval Rodolite Garnet Victorian Revival in 18K Yellow Gold Solitaire Ring – Assay Jewelers
GIA Certified 8.53 Carat Spessartine Garnet & Triangle Diamond Pendant Necklace – Assay Jewelers
Greek 18K White Gold Diamond Pink Tourmaline Yellow Garnet Pearl Drop Earrings – Assay Jewelers
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Greek 12 Carat Diamond South Sea Pearl Tourmaline Citrine Earring Necklace Set – Assay Jewelers
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Natural 11.03 Carat Oval Spessartine Garnet Diamond Halo 14K Yellow Gold Ring – Assay Jewelers
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9 Carat Aquamarine & Diamond Single Single 18k White Gold Bracelet – Assay Jewelers
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1.48 Carat Old Cut Diamond and Tsavorite Vintage Art Deco Filigree Ring – Assay Jewelers
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Vintage Blancpain Rayville Gold Ladies Watch On Aquamarine Bracelet – Assay Jewelers
10.04 Carat Aquamarine Cushion Checkerboard Cut & Diamond Halo Platinum Ring – Assay Jewelers
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GIA Certified 12.95 Carat Emerald Cut Blue Indicolite Tourmaline Loose Gemstone – Assay Jewelers
Black Opal Doublet & Diamond Pave Shoulder 14K White Gold Statement Ring – Assay Jewelers
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Natural 0.12 Carat Diamond with Black Opal Doublet in 18K & 14K Yellow Gold Ring – Assay Jewelers
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Intarsia Opal Malachite & Black Onyx with Diamond 14K Gold Pendant Necklace – Assay Jewelers
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GIA Certified Brazilian Paraiba Tourmaline Cluster Ring – Assay Jewelers
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3.25 Carat Tsavorite Garnet & Diamond Platinum Wavy Wide Band Ring – Assay Jewelers
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GIA Certified 4.58 Carat Emerald Cut Indicolite Tourmaline Diamond Platinum Ring – Assay Jewelers
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6 Carat Australian Black Opal in a 4-Prong White Gold Mounting – Assay Jewelers
GIA Certified 115.10 Carat Emerald Cut Pink Kunzite Loose – Assay Jewelers
Semi-Precious Gemstones

Our semi-precious gemstone collection showcases nature's most captivating colored stones, featuring rare specimens that rival precious gems in beauty and investment potential. This curated selection includes Australian black opals with vivid play-of-color, GIA-certified pink kunzite, premium aquamarine, exceptional tanzanite, and fine tourmaline in sought-after colors. Each piece represents the pinnacle of semi-precious gemstone quality, with many stones displaying museum-grade characteristics including superior clarity, intense color saturation, and remarkable size that places them among the world's finest examples of their species.

 

Every gemstone has been carefully selected for exceptional quality and authenticated by certified gemologists, with many pieces featuring GIA certification and documented origins from premier mining locations. From Australian Lightning Ridge black opals to Tanzanian tanzanite and Brazilian tourmaline, our collection emphasizes provenance and natural beauty. Expert craftsmanship showcases each stone in custom settings of 18K gold and platinum, often enhanced with diamonds to create heirloom-quality pieces that highlight the unique optical properties and natural characteristics of each gemstone variety.

 

For discerning collectors and investors, high-quality semi-precious gemstones from premium localities have demonstrated strong appreciation potential, particularly rare varieties like fine tanzanite, exceptional opals, and large aquamarine specimens. The combination of increasing scarcity from traditional mining sources, growing global appreciation for colored stones, and the finite nature of top-quality material creates compelling investment opportunities. With proper certification and documentation of origin, these pieces offer both aesthetic pleasure and the potential for significant value appreciation over time.

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