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(563) 556-5325
261 Main St Dubuque, IA 52001

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  • Custom Design
    • Myths of Custom
    • Learn More
    • Custom Design Gallery
  • Repairs
  • Engagement Rings
    • Solitaire
    • Diamonds On Shank
    • Halo
    • Three Stone
    • View All
  • Diamonds & Gemstones
    • 4 C’s
    • Lab Grown Diamonds
    • Mined Diamonds
    • Fancy Color Diamonds
    • Gemstones
  • Wedding Bands
    • Women’s Wedding Bands
    • Men’s Wedding Bands
  • Fashion Jewelry
    • Necklaces & Pendants
    • Earrings
    • Fashion Rings
    • Bracelets
    • Anklets
    • Men’s Jewelry
    • View All
  • Our Store
    • About Us
    • Earth Friendly
    • Love Stories
    • Blog
      • Alchemy Artistry
      • Bling Talk
      • The M Word
    • Reviews
    • Shop Local
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      • Holiday 2020
        • In The Media
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    • In The News
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    (563) 556-5325

    261 Main St Dubuque, IA 52001

    Store Hours: Sunday & Monday: By Appointment Only

    Tuesday-Saturday: 9am-6pm

    Site logo
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    Cart: $0.00

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    • Custom Design
      • Myths of Custom
      • Learn More
      • Custom Design Gallery
    • Repairs
    • Engagement Rings
      • Solitaire
      • Diamonds On Shank
      • Halo
      • Three Stone
      • View All
    • Diamonds & Gemstones
      • 4 C’s
      • Lab Grown Diamonds
      • Mined Diamonds
      • Fancy Color Diamonds
      • Gemstones
    • Wedding Bands
      • Women’s Wedding Bands
      • Men’s Wedding Bands
    • Fashion Jewelry
      • Necklaces & Pendants
      • Earrings
      • Fashion Rings
      • Bracelets
      • Anklets
      • Men’s Jewelry
      • View All
    • Our Store
      • About Us
      • Earth Friendly
      • Love Stories
      • Blog
        • Alchemy Artistry
        • Bling Talk
        • The M Word
      • Reviews
      • Shop Local
        • Repair Special
        • Bridal Bash 2020
        • Holiday 2020
          • In The Media
      • Media
      • In The News
      • Contact Us
    Diamonds & Gemstones Page Banner

    Whether you want a pop of color, or extra sparkle with a diamond, you can explore the endless possibilities with our collection of gemstones and diamonds available in store. We have a gemstone for any budget.

    4 C's Cut Color Clarity, Carat

    4 C’s

    When shopping for a diamond it is important to understand the four characteristics of the diamond before making a purchase. The four Cs of a diamond, together, create the price, rarity, and sparkle of the diamond. It is important to get the diamond that speaks to you rather than worrying about the rarity or specs of a diamond.  The four Cs of a diamonds are – cut, color, clarity, and carat.

    Learn More

    Lab Grown Diamonds

    Dive into our extensive collection of lab grown diamonds. Lab grown diamonds are real diamonds that are made in a laboratory rather than found in the environment. Our collection of lab grown diamonds has all shapes, sizes and characteristics – and designed for every budget.

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    mccoy-jeweler-mined-diamonds

    Mined Diamonds

    Explore our collection of mined diamonds. These diamonds are diamonds that are found in nature around the world. Our collection of mined diamonds includes all shapes, sizes, and characteristics at different levels of budgets.

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    Fancy Color Diamonds

    Pick a diamond with a pop of color. Discover the perfect fancy color diamond that represents you by going through our timeless collection of fancy color diamonds. Our collection features fancy color diamonds of all shapes, sizes, colors, and characteristics.

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    mccoy-jeweler-gemstones

    Gemstones

    Different gemstones have different sparkle, color, hardness, and chemical properties. Depending on how you plan to wear your piece, or the color you are aiming for – different gemstones could be a better match for you and your wallet. Trust McCoy Jewelers to provide you with the honest recommendations you need before making a purchase.  Call today to find what options will be best for you!

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    261 Main St
    Dubuque, IA 52001
    (563)556-5325

    Store Hours:
    Sunday: By Appointment Only
    Monday: By Appointment Only
    Tuesday: 9am-6pm
    Wednesday: 9am-6pm
    Thursday: 9am-6pm
    Friday: 9am-6pm
    Saturday: 9am-6pm

    © 2006 – 2021 McCoy Goldsmith & Jewelers Corp.

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