Costa's Fine Jewelry & Coins

Costa's Fine Jewelry & Coins Waukesha’s trusted supplier for fine diamonds, rare gemstones, and investment-grade coins.

Costa’s Fine Jewelry and Coins offers high-quality jewelry and numismatics at competitive prices. Costa's Fine Jewelry & Coins has proudly served Southeastern Wisconsin for over 40 years. We offer exceptional quality and value in fine diamonds, rare gemstones, and investment-grade coins. As a family-owned business, we specialize in GIA-certified diamonds, jewelry design, wedding and engagement rin

gs, numismatics, and more. From timeless engagement rings to rare coin collectibles, we bring your vision to life with craftsmanship and care. Our ethically sourced gems and competitive pricing make luxury accessible without compromise. Visit us in Waukesha, Wisconsin, to explore our extensive collection and experience personalized service tailored to you.

The ring that begins forever deserves a place you’ll trust. ✨💍This summer, celebrate your love story with timeless craft...
08/04/2026

The ring that begins forever deserves a place you’ll trust. ✨💍

This summer, celebrate your love story with timeless craftsmanship and exceptional savings during our Summer Bridal Event.

Enjoy 20% OFF all engagement rings and wedding bands—whether you’re planning the proposal, choosing your forever ring, or finding the perfect bands for your wedding day.

Visit Costas and let our experts help you find a ring as unforgettable as your love.

📍 Waukesha, WI
📅 Summer Bridal Event – Now through Sept 16

Layered in gold. Finished with brilliance. ✨ From timeless diamonds to everyday gold essentials, create a look that’s un...
07/09/2026

Layered in gold. Finished with brilliance. ✨

From timeless diamonds to everyday gold essentials, create a look that’s uniquely yours. Discover fine jewelry designed to elevate every moment.

📍 Visit us in Waukesha and explore our latest arrivals.

A new chapter begins.This summer, we’re introducing thoughtfully curated jewelry collections that reflect the future of ...
07/02/2026

A new chapter begins.

This summer, we’re introducing thoughtfully curated jewelry collections that reflect the future of Costas—timeless, effortless, and designed to be layered your way.

✨ Explore the collection in-store.

Summer begins with color. ✨Meet our newest jewelry collection—designed to capture the light, elevate every look, and cel...
07/02/2026

Summer begins with color. ✨
Meet our newest jewelry collection—designed to capture the light, elevate every look, and celebrate the beauty of effortless elegance.

Discover the pieces you’ll wear all season long.

📍Visit us in Waukesha store

Elegance is found in the details. ✨A timeless pendant, brilliant diamonds, and effortless sophistication—designed to shi...
06/26/2026

Elegance is found in the details. ✨

A timeless pendant, brilliant diamonds, and effortless sophistication—designed to shine today and for years to come.

Visit Costas Fine Jewelry & Coins to discover pieces that become part of your story.

The moment you’ve been dreaming of starts here. 💍✨Celebrate love with special savings on select bridal jewelry during ou...
06/17/2026

The moment you’ve been dreaming of starts here. 💍✨

Celebrate love with special savings on select bridal jewelry during our Bridal Sale. From the perfect engagement ring to wedding-day sparkle, discover pieces designed for your forever. 🤍

Visit us in-store and explore:

✨ Limited-time offers
✨ Exceptional craftsmanship
✨ Trusted local jewelers

📍 Costas Fine Jewelry & Coins
📅 June 18th – August 31st

Let our experienced team help you find the perfect symbol of your love story. 💎💍

05/19/2026
Elegance, softly spoken. ✨💎
05/19/2026

Elegance, softly spoken. ✨💎

Address

2450 N Grandview Boulevard
Waukesha, WI
53188

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