Featured products
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Multi Color Sapphire and Diamond Ring
Regular price $2,160.00 USDRegular price -
Multi Color Sapphire Rainbow Necklace in 14Kt Gold
Regular price $850.00 USDRegular price -
Rainbow Sapphire Hoop Earrings in 14kt Solid Gold
Regular price $680.00 USDRegular price -
2 Row Rainbow Sapphire and Diamond Ring
Regular price $1,350.00 USDRegular price -
Round Blue Sapphire Diamond Halo Pendant in 14kt White Gold
Regular price $1,580.00 USDRegular price -
Diamondaire Round Blue Sapphire & Diamond Stackable Ring
Regular price $540.00 USDRegular price -
Diamondaire Round Cut Blue Sapphire & Diamond Stackable Ring
Regular price $850.00 USDRegular price -
Diamondaire Round Blue Sapphire & Diamond Stackable Ring
Regular price $880.00 USDRegular price
Collections
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Diamondaire Exclusive Engagement Rings
Quarterly we feature new designs in our store. Some of the designs...
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Diamondaire Exclusive Wedding Bands and Stackables
Quarterly we feature new designs in our store. Some of the designs...
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Diamondaire Exclusive Mens Bands
Many of The Diamondaire men's bands are custom made. This is a small...
Vintage & Estate Jewelry
Step into the Estate & Vintage Collection at The Diamondaire, where history and sparkle meet. Discover one-of-a-kind antique engagement rings, vintage diamond necklaces, and heirloom fine jewelry curated in our Saint Charles, Illinois showroom.Explore sustainable luxury, local charm, and genuine history — all in one glittering case.