The Importance of GIA Certification When Buying Diamonds
Published on: 02/09/2025
Learn why GIA certification is essential for diamonds at Costa's Jewelers, a trusted jeweler in Waukesha, WI. Call now to book your appointment today!
Bullion Coins in Waukesha: What Are They & Should You Invest?
Published on: 11/08/2025
Discover bullion coin investing in Waukesha with Costa's Fine Jewelry & Coins. Get expert guidance on gold, silver & precious metals in our blog.
Coin Grading in Waukesha: Why It Matters & What to Know
Published on: 30/06/2025
Learn how grading impacts value & authenticity from a trusted coin shop in Waukesha, WI. Click now to explore our expert blog & start your coin journey!
Gold vs. Silver: Which Is The Better Investment In Waukesha, WI?
Published on: 20/06/2025
Curious whether gold or silver is the better investment in Waukesha? Discover the key differences and local insights—click to learn more in our blog today!
Costa's Fine Jewelry and Coins in Waukesha offers competitive prices on fine diamonds, rare gemstones, and bullions. Family-owned, we specialize in engagement rings, GIA-certified diamonds, jewelry repair, and estate buying.
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Hours of Operation
10am-5pm Tuesday
10am–6pm Wed–Fri
10am-3pm Saturday
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