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16 Years
experience
Custom Engagement Rings & Fine Jewellery in Sydney
Waldemar Jewellers, established in 2010, is a Sydney-based bespoke jewellery designer renowned for crafting custom engagement rings, wedding bands, and fine jewellery. Our founder, Mark Poter, brings over 20 years of global experience, having worked with royal families and celebrities. We prioritise ethical sourcing, using GIA-certified diamonds, Argyle Pink Diamonds, and Ceylon Sapphires. Our process involves collaborative consultations to transform client visions into unique, high-quality pieces. We pride ourselves on exceptional craftsmanship, client satisfaction, and a no-pressure environment.

Our services include jewellery remodelling, polishing, resizing, and repairs, catering to both new and vintage pieces. We offer complimentary one-on-one consultations in our Sydney CBD showroom. Our commitment to quality is underscored by a lifetime guarantee on craftsmanship. We specialise in rare gemstones and have earned a reputation as Sydney's top jeweller through 100% 5-star reviews. Our philosophy centres on client satisfaction, integrity, and building lasting relationships.
Services
Engagement Rings Wedding Rings Fine Jewellery Custom Design Jewellery Remodelling Lab Diamonds Pink Diamonds Sapphire Jewellery Diamond Certification Jewellery Repairs
Details
  • Year established: 2010
Highlights and features
  • We offer 20+ years of expertise in bespoke jewellery design.
  • Our team sources ethically certified diamonds and rare gemstones.
  • Complimentary consultations tailored to your vision and budget.
  • Lifetime guarantee on craftsmanship for all custom pieces.
  • Specialists in remodelling heirloom jewellery into modern designs.
Associations and certifications
  • GIA
What people say
Stunning craftsmanship Patient and helpful Exquisite designs Lifetime guarantee Ethical sourcing
Services
Custom Engagement Rings
We design custom engagement rings tailored to your unique story. Using ethically sourced GIA-certified diamonds and gemstones, our experts collaborate with you to create timeless pieces. Each ring is crafted with precision, ensuring durability and beauty for a lifetime.
Jewellery Remodelling
Transform heirloom or unused jewellery into modern designs. Our specialists preserve sentimental value while updating aesthetics. Services include resizing, refashioning, and integrating stones into new creations with meticulous attention to detail.
Fine Jewellery
Crafting high-end jewellery such as necklaces, bracelets, and earrings using rare materials. We specialise in Argyle Pink Diamonds, sapphires, and lab-grown diamonds. Each piece combines artistry with wearability for everyday elegance or special occasions.
Wedding Rings
Create matching wedding rings that complement engagement sets or stand alone. Options include classic, vintage, or contemporary styles in gold, platinum, or rose gold. We ensure perfect fit and harmony with your personal aesthetic.
Lab Diamonds
Offering ethically produced lab diamonds with the same brilliance as natural stones. Certified by IGI, these diamonds provide an affordable, sustainable alternative without compromising quality or beauty in custom designs.
People
Mark Poter
Founder & Head Designer
With over 20 years in jewellery design, Mark established Waldemar Jewellers in 2010. He trained in London under royal jewellers and has crafted pieces for celebrities. His expertise in rare gemstones and commitment to client collaboration define our service.
Questions
Do you offer custom jewellery design services?
Yes, we specialise in custom engagement rings, wedding bands, and fine jewellery tailored to your preferences.
What gemstones do you work with?
We use GIA-certified diamonds, Argyle Pink Diamonds, Ceylon Sapphires, emeralds, rubies, and lab-grown diamonds.
How long does custom jewellery take?
Custom pieces typically take 3-4 weeks, with expedited options available upon request.
Do you provide jewellery repair services?
Yes, we offer polishing, resizing, repairs, and remodelling for both new and vintage jewellery.
Are your diamonds ethically sourced?
All diamonds are ethically sourced and certified by GIA or IGI for quality and origin.
Can I visit your Sydney store without an appointment?
Appointments are recommended, but walk-ins are welcome during business hours.
Reviews (4)
Ramandeep Singh
Dec 13, 2021 Report
Thank you for designing such an elegant and beautiful ring for my wife. She absolutely loves it! It was great to work with someone like yourself and receive the personal 1:1 attention when we were making a decision on something so dear to us and we are both very happy with the outcome. We walked into your store by accident, but we are both really glad that we did! We had a great experience working with you and would definitely recommend you to others in the future.
Wishing you all the success,
Raman and Jasleen
Dan Stewart
Oct 18, 2020 Report
Perfect service and perfect result. Mark really is a MASTER at understanding what you want in a ring and exceeding your expectations on delivery. A refreshing, unpretentious and friendly approach to jewellery. I spent days and days visiting jewellers all over Sydney and Mark was by far the best in terms of service, cost and now finished product. You wont be disappointed! The results are fantastic.
Sophie Rowland
Sep 03, 2019 Report
My partner and I are so incredibly happy with my custom made engagement ring. Mark was such a great help and understood all of our needs, his service, price, and workmanship is unbeatable. I cannot recommend highly enough! 11/10 !
Will Blunt
Dec 08, 2018 Report
Callum and Mark were a pleasure to deal with and their work was first-class. I was in the market for an engagement ring for my now fiance, and had very little idea about what I was doing. Mark guided me through the whole process and I ended up being happy and confident with the ring he created for us. Even better, my fiance loved it! We were so pleased with the outcome that we just got our wedding bands done with Waldemar too. Highly recommended!