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.
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.
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.
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.
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.
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
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.
We focus on fine diamonds, rare gemstones, and custom-designed pieces including engagement or wedding rings, anniversary bands, and vintage jewelry.
Yes! We provide expert repairs, including resizing, stone replacement, prong tightening, jewelry cleaning, and more.
Absolutely. We buy gold, silver, bullion, and rare coins with fair and transparent evaluations with results you can trust.
Yes. Many of our diamonds are GIA-certified and come with full documentation.
Yes, we offer certified jewelry appraisals for insurance, resale, or estate purposes.
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
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