Business Details
50 Years
experience
Brisbane's Premier Bespoke Jewellery Workshop
Xennox Diamonds is a family-run Brisbane jeweller with over 40 years of experience in crafting bespoke diamond jewellery. Founded in 1976 by Wolfgang and Georgette Schwantes, the business has been led by their son Karl since the early 2000s, combining generational expertise with modern innovation. Our team of master craftsmen, with over 150 years of combined experience, specialises in creating custom engagement rings, wedding bands, and fine jewellery using ethically sourced diamonds and gemstones. We offer a unique showroom experience with VIP appointments, lifetime cleaning services, and a manufacturing guarantee on all pieces. Our internationally recognised diamond graders hand-select each stone to ensure brilliance, while our commitment to lab-grown diamonds provides an eco-conscious alternative without compromising quality.With 1300+ five-star Google reviews, we are Brisbane's highest-rated jeweller, known for exceptional customer service and award-winning designs. Our workshop merges traditional techniques with advanced technology to produce one-of-a-kind pieces that reflect each client's personal story. We host exclusive events and maintain a curated collection of ready-to-wear jewellery alongside our bespoke offerings. Our reputation for excellence is built on decades of dedication to craftsmanship, ethical practices, and creating meaningful, timeless treasures.
Services
Bespoke Engagement Rings
Lab-Grown Diamonds
Wedding Bands
Diamond Jewellery
VIP Appointments
Jewellery Restoration
Custom Design Consultation
Lifetime Maintenance
Diamond Selection
Eco-Friendly Options
Details
- Year established: 1976
Highlights and features
- We offer lifetime professional cleaning and manufacturing guarantees on all jewellery
- Our internationally recognised diamond graders hand-select each diamond for maximum brilliance
- Multi award-winning master craftsmen with 152 years combined experience create unique pieces
- We provide VIP appointments with exclusive one-on-one consultations in your preferred location
- Our lab-grown diamonds combine ethical sourcing with cutting-edge technology
What people say
Beautiful rings
Cool calm staff
Amazing atmosphere
Perfect results
Exceptional service
Services
Bespoke Engagement Rings
Our master craftsmen create unique engagement rings tailored to your love story. Using the finest diamonds and gemstones, we guide you through every step from design to final craftsmanship. Each piece combines traditional techniques with modern technology for timeless beauty that reflects your personal journey.
Lab-Grown Diamonds
We offer premium CVD Type IIa laboratory-grown diamonds with identical properties to mined stones. These eco-friendly alternatives undergo rigorous grading while maintaining ethical standards. Our experts help you select the perfect stone that matches your values and style preferences.
Wedding Bands
Our collection features handcrafted wedding bands for both men and women. Available in various metals and designs, from classic to contemporary. We also offer custom creation options to ensure your band perfectly complements your engagement ring and personal aesthetic.
VIP Appointments
Experience our exclusive concierge service with award-winning designer Karl Schwantes. Enjoy one-on-one consultations in your preferred location, whether at our Brisbane showroom or your home/office. This tailored service ensures complete privacy and dedicated attention throughout your jewellery creation journey.
Jewellery Restoration
Our expert team specialises in restoring heirloom and damaged jewellery to its original glory. Using advanced techniques, we carefully repair and revitalise pieces while maintaining their historical integrity. This service includes redesign options for those wanting to update traditional items with modern touches.
People
Karl Schwantes
Award Winning Designer
Third-generation jeweller with decades of experience creating bespoke pieces. Leads the design team while maintaining hands-on involvement in crafting unique commissions. Known for exceptional client service and innovative designs.
Lauren Van Dyk
General Manager
Manages daily operations and client relations. Ensures seamless service delivery across all departments. Brings extensive industry knowledge and a commitment to excellence in customer experience.
Paul Rutt
Diamond Setter
Master craftsman specialising in precise diamond setting techniques. Transforms designs into reality with meticulous attention to detail. Contributes over 20 years of expertise to each bespoke creation.
Gregory Davies
Head Jeweller
Leads the workshop team with extensive experience in fine jewellery craftsmanship. Oversees production quality and mentors junior artisans. Known for technical precision and artistic flair in every piece.
Questions
What makes Xennox Diamondss different from other Brisbane jewellers?
We combine 40+ years of family expertise with modern technology, offering bespoke designs, lifetime service guarantees, and ethical sourcing. Our master craftsmen create unique pieces tailored to your story.
Do you offer lab-grown diamond options?
Yes, we provide premium CVD Type IIa lab-grown diamonds with identical properties to mined stones, offering an ethical alternative without compromising quality or brilliance.
How does the custom ring design process work?
Our three-stage process includes consultation, diamond selection, and production. You'll work directly with our designers to create your perfect piece, with guidance throughout the 4-6 week creation period.
Can I schedule a private appointment?
Yes, our VIP concierge service allows private consultations at your preferred location, whether at our Brisbane showroom, your home, or office with our award-winning designer.
What warranty and aftercare services do you provide?
Every purchase includes a manufacturing guarantee and lifetime professional cleaning. We ensure ongoing care for your jewellery to maintain its original beauty and condition.
Are your diamonds certified?
All diamonds come with certification from reputable grading laboratories. Our lab-grown diamonds receive grading from GCAL, ensuring accurate assessment of cut, colour, clarity, and carat weight.
