Custom jewelry with lifetime guarantee

Custom jewelry service

Welcome to our exclusive jewelry design service. This guide will walk you through our customization options, materials, and design possibilities. Whether you're looking for a timeless engagement ring or a unique piece of jewelry that tells your story, we're here to bring your vision to life.

Jewelry customization service picture showcasing a ring in a box over trees with snow. Get your fine jewelry custom made with us.

Our Gold Selection

Types of Gold

  • White Gold: Perfect for contemporary designs, our white gold pieces offer a modern, sophisticated look.
  • 18K Gold (750): Ideal balance of durability and luxury, containing 75% pure gold.
  • 21K Gold (900): Higher gold content (87.5%) offering a richer yellow color.
  • 22K Gold (916): Our premium option with 91.6% pure gold, perfect for traditional designs and long lasting masterpieces.

The following video shows how a goldsmith is polishing a diamond wedding ring.

Our Offerings

We specialize in two main categories:

With Stones:

  • Custom engagement rings
  • Statement necklaces
  • Gem-studded bracelets
  • Designer earrings

Without Stones:

  • Classic wedding bands
  • Minimalist chains
  • Traditional bangles
  • Contemporary rings

Jewelry with Gems

Popular Stones

Lab Grown Diamonds:

  • Chemically identical to natural diamonds
  • Environmentally conscious choice
  • Superior quality and clarity
  • Competitive pricing

Moissanite:

  • Brilliant alternative to traditional diamonds
  • Exceptional sparkle and durability
  • Eco-friendly and ethical choice
  • Available in various sizes and cuts

Lab Grown Emerald:

  • Exceptional brilliance and rich green color
  • Remarkably clear with minimal visible flaws
  • Ethically sourced with transparent origins
  • Excellent value while maintaining luxury appeal
  • Perfect for those seeking sustainable luxury

Sapphire:

  • Exceptional durability for everyday wear
  • Perfect clarity that showcases brilliant sparkle
  • Timeless elegance at an accessible price point
  • Ideal for engagement rings and heirloom pieces

Ruby:

  • Luxurious deep red coloring that catches the eye
  • Outstanding durability for daily wear
  • Consistently high clarity and vibrant color
  • Traditional symbol of passion and romance

Opal:

  • Mesmerizing play of colors that dance in the light
  • Stunning rainbow effects in controlled patterns
  • Perfect for unique, eye-catching jewelry
  • Lower maintenance requirements for lasting beauty

    Lab Grown Diamonds

    Our lab-grown diamonds offer the same physical, chemical, and optical properties as mined diamonds. They have the same hardness as natural diamonds on Mohs scale. Created using advanced technological processes, these diamonds provide an ethical and sustainable choice without compromising on quality.

    Diamond Cuts

    Available cuts include:

    • Round Brilliant
    • Princess
    • Cushion
    • Oval
    • Pear
    • Emerald
    • Marquise
    • Radiant
    • Asscher
    • Heart

     

    Understanding Moissanite

    Moissanite is a stunning gemstone that offers exceptional brilliance and fire. Originally discovered in meteorites, today's moissanite is created in controlled laboratory conditions, ensuring perfect clarity and consistency.

    Why Choose Moissanite:

    • Greater brilliance than diamonds
    • Extremely durable (9.5 on Mohs scale) while natural diamonds are 10 on Mohs scale.
    • Cost-effective luxury
    • Environmentally responsible choice

    Versatility in Design

    Our diamonds and gemstones can be incorporated into any jewelry piece:

    • Engagement rings
    • Wedding bands
    • Pendants
    • Earrings
    • Bracelets
    • Custom pieces

      Start your journey of personal unique jewelry

      Your journey to the perfect piece of jewelry begins here. Each creation is crafted with precision, passion, and attention to detail. Fill the form below to schedule a consultation or visit us at our showroom and bring your vision to life.

      Contact us or Visit us at our showroom in Frogner, Oslo to meet and discuss your requirements.



      Book your jewelry customization meeting:

      Select a Meeting Type

       

      Good to know about jewelry customization

      Benefits of custom jewelry

      Why to customize your personal jewelry

      Guilt-free Gemstones

      All of the gemstones including diamonds are conflict-free and ethically sourced. Keep your conscious mind guilt-free with guaranteed sustainably sourced diamonds and gemstones.

      Guarantee

      We offer a lifetime guarantee on all our customized pieces, covering craftsmanship and quality.

      Delivery Time

      Custom pieces require 5-7 weeks for completion, ensuring perfect execution of your design.

      Payment Methods

      • All major credit cards accepted
      • Credit notes
      • 60-40 payment terms (60% deposit upon order

      Why to choose Onyx Oslo

      At Onyx Oslo, extraordinary beauty meets a commitment to sustainability. As the very first moissanite diamond shop in Norway, we’re proud to offer stunning, ethically sourced moissanite diamonds and a top-notch customization service for 22-carat gold, silver, and an array of dazzling diamonds jewelry. Whether you’re celebrating life’s big moments, gift for her or searching for a unique piece that reflects your personality, we’re here to bring your vision to life.

      The founder of Onyx Oslo is a women so as a women co-founder and owner she has a vision to supports women, girls and every female who has dream of achieving something in her life. Onyx Oslo will be donating 1% of their profit to educational initiatives for women. We also strongly believe in saving the planet from environmental changes so by reducing the use of plastic, we currently use less than 1%  but its not enough so we are also working toward carbon neutrality by incorporating carbon credits into our operations.

      We use 100% recycled silver in our ready to wear collection with conflict-free gemstones.

      By choosing Onyx Oslo you will be a part of our beautiful journey towards supporting women education. You will also be a part of growing trees campaigns in our planet because we want to be a part of nature beauty and by growing trees we preserve that nature for generations.

      We always care about you therefore, we have sourced all our materials with certified suppliers. Keep your consciousness guilt-free with conflict-free sources.