Jewelry Store in Pewaukee, WI

Costa's Fine Jewelry & Coins

Your Trusted Jewelry Store in Pewaukee, WI

Choosing the right piece of jewelry goes beyond brilliance—it’s about thoughtful design, expert craftsmanship, and a deeply personal connection. Whether you’re choosing an engagement ring to celebrate your love story or exploring rare gemstones and collectible coins, you want a jewelry store that understands the value behind each piece. In Pewaukee, WI, Costa’s Fine Jewelry and Coins stands out as a trusted destination for exceptional quality and service.

As a family-owned business located in nearby Waukesha, Costa’s Fine Jewelry and Coins offers an experience rooted in integrity, expertise, and genuine care. From fine diamonds and custom designs to investment-grade numismatics, we’re committed to helping you find jewelry that’s both beautiful and meaningful. With a strong reputation for personalized service and ethically sourced materials, Costa’s Fine Jewelry and Coins provides a refreshing alternative to the ordinary.

Why Choose Costa’s Fine Jewelry and Coins?



At Costa’s Fine Jewelry and Coins, we’re more than a jewelry store—we’re a family-run

establishment committed to helping you celebrate life’s most meaningful moments.

Here’s why Pewaukee residents choose us:

Family-Owned Tradition: Personalized service and trusted expertise with decades

of experience.

Curated Jewelry Selection: GIA-certified diamonds, unique gemstones, and

heirloom-quality pieces.

Custom Design: Available in your choice of platinum, white gold, yellow gold,

or rose gold.

Expert Repairs and Appraisals: Precision repairs and certified evaluations.

Numismatic Services: Buy and sell coins, gold, and silver with confidence.

Our Services in Pewaukee, Wisconsin

Fine Diamonds and Rare Gemstones

We offer a handpicked selection of high-quality diamonds and rare gemstones, ideal for all occasions:

  • Solitaire and halo engagement rings

  • Eternity bands and anniversary pieces

  • GIA-certified diamonds and loose stones

  • Vintage and antique jewelry

Whether you prefer classic elegance or contemporary sparkle, our team will help you find (or design) the perfect piece.

Costa's Fine Jewelry and Coins in Waukesha, WI. Image of a fine diamond ring on the ring finger.
Costa's Fine Jewelry and Coins in Waukesha, WI. Image of a couple's hands wearing custom-designed jewelry.

Custom Jewelry Design

Create something truly personal. We tailor each custom design to reflect your individuality and personal style:

  • Collaborate with our skilled artisans to transform your ideas into one-of-a-kind jewelry.

  • Choose from high-quality metals like platinum, white gold, rose gold, and yellow gold

  • Perfect for engagement rings, heirloom remakes, or a once-in-a-lifetime gift

Every detail is crafted with precision, care, and meaning.

Jewelry Repairs and Appraisals

Your cherished pieces deserve to last a lifetime. Our expert repair and appraisal services include:

  • Ring resizing for a perfect fit

  • Stone replacement using matched gems

  • We carefully re-tip and tighten prongs to keep your diamonds and gemstones secure.

  • Chain and clasp repairs to restore worn pieces

Need a professional valuation? Certified appraisals are available for insurance coverage, resale value, or estate planning needs.

Numismatics: Rare Coins, Gold & Silver


Costa’s Fine Jewelry and Coins is Pewaukee’s trusted source for numismatic services and precious metals:

  • We assist with the buying and selling of gold, silver, bullion, and collectible coins

  • Explore our inventory of investment-grade rare coins

  • Discover proof coins and MS-70 graded collectibles

Whether you’re a serious collector or exploring coin investing for the first time, our experienced team ensures every transaction is fair and transparent.

ADDITIONAL JEWELRY SERVICES

We're proud to offer a comprehensive range of jewelry services to meet all your needs:

  • GIA-graded loose diamonds

  • Conflict-free diamonds

  • Colored Gemstone Jewelry

  • Designer Jewelry

  • Jewelry Repair

  • Pearl Restringing

  • Jewelry Trade-ins

An image of gemstones for other jewelry services at Costa's Fine Jewelry and Coins in Waukesha, WI.

Why Pewaukee Locals Trust Us

We believe every customer deserves honesty, quality, and respect. That’s why we:

  • Use ethically sourced materials

  • Provide transparent pricing with no pressure

  • Your treasured jewelry and coins are handled with the same care and

  • respect as our own

Whether you’re commemorating a special moment, investing in your future,

or repairing a treasured heirloom, Costa’s Fine Jewelry and Coins is here to

serve you.

WHAT OUR CUSTOMERS SAY

Quote

My husband and I cannot be more excited about our custom wedding rings! They are stunning!


Kate A

Quote

Found the most beautiful necklace at Costa’s for my anniversary. It was the perfect gift


Don J

Quote

The quality at Costa’s is unmatched. I have three diamond bracelets from them and I won’t buy diamonds anywhere else


Presley M

Quote

I wanted to get my grandma's earrings turned into a necklace and it turned out so perfect. I wear it every day!


Lindsey F

Quote

I bought my husband a new necklace from them. The Jewelry is very affordable yet super high quality.


Nevada C

Quote

Best jewelry seller in Waukesha. I am a big ring girl and this place has everything I need!


Kendra D

Frequently Asked Questions

What types of jewelry do you specialize in?

We focus on fine diamonds, rare gemstones, and custom-designed pieces including engagement or wedding rings, anniversary bands, and vintage jewelry.

Can I bring my jewelry to Costa’s Fine Jewelry and Coins for repair?

Yes! We provide expert repairs, including resizing, stone replacement, prong tightening, jewelry cleaning, and more.

Can I sell my gold or coins to you?

Absolutely. We buy gold, silver, bullion, and rare coins with fair and transparent evaluations with results you can trust.

Are Costa’s Fine Jewelry and Coins diamonds certified?

Yes. Many of our diamonds are GIA-certified and come with full documentation.

Do you provide appraisals?

Yes, we offer certified jewelry appraisals for insurance, resale, or estate purposes.

Visit Costa’s Fine Jewelry and Coins in Pewaukee Today!

If you’re looking for a trusted jeweler or a jewelry store near Pewaukee, WI, Costa’s Fine Jewelry and Coins is your go-to destination. Call us today at (262) 360-5516 or stop by to discover our stunning collection of fine diamonds, rare gemstones, and numismatic treasures. Whether you're shopping for a meaningful gift or looking to invest in something timeless, we're here to help you make the perfect choice.

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.

Get in Touch

Hours of Operation
10am-5pm Tuesday

10am–6pm Wed–Fri

10am-3pm Saturday

Get an Update

Don’t forget about upcoming holidays and promotions. Sign up below, you’ll never miss out. 

Copyright © 2025. Powered by Raging Agency.

Follow us

Copyright © 2025. Powered by Raging Agency.

Follow us