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Business Details
49 Years
experience
Custom Fine Jewelry & Expert Repairs in Rozelle, NSW
Established in 1977, King Street Design has pioneered fine jewelry craftsmanship in Sydney, specialising in bespoke engagement rings, wedding bands, and custom creations. Our team, led by founders Allan and Gary Mouradjallian, combines over four decades of expertise with a commitment to quality, ensuring every piece undergoes rigorous checks before delivery. We prioritise personalised service, offering consultations in a relaxed environment where clients collaborate directly with our jewellers to design unique pieces.

Our after-sales services, including repairs, polishing, and remodelling, ensure long-term satisfaction, while our watch repair division caters to luxury brands. With a focus on reusing inherited materials, we blend sentimental value with modern design, maintaining a reputation as Sydney's trusted destination for exceptional jewelry.
Services
Engagement Rings Wedding Bands Jewellery Remodelling Watch Repairs Diamond Setting Custom Design Consultations Jewellery Polishing Gemstone Replacement Ring Resizing Luxury Watch Servicing
Details
  • Year established: 1977
Highlights and features
  • We offer over 45 years of expertise in bespoke jewelry design and craftsmanship.
  • Our consultations prioritise individual client needs in a relaxed, collaborative environment.
  • We provide comprehensive after-sales services, including repairs and remodelling.
  • Our team specialises in repurposing inherited materials into modern, meaningful pieces.
  • We maintain rigorous quality checks to ensure lasting jewelry integrity.
Services
Custom Engagement Rings
Our custom engagement rings are meticulously handcrafted to reflect individual love stories. Clients collaborate directly with our jewellers to design unique pieces using premium diamonds and gemstones. Each creation undergoes rigorous quality checks to ensure durability and timeless beauty, making every proposal unforgettable.
Jewellery Remodelling
Transform inherited or unused jewelry into modern masterpieces while preserving sentimental value. Our experts assess existing metals and gemstones to create cost-effective, personalised designs. Visual drafts ensure client vision aligns with the final product, blending tradition with contemporary aesthetics.
Watch Repairs
Specialising in luxury watches from brands like Rolex and Cartier, our experienced watchmaker offers battery replacements, overhauls, and sapphire glass repairs. With over 30 years of expertise, we ensure precision maintenance to extend the lifespan of cherished timepieces.
Jewellery Repairs
Restore damaged rings, necklaces, and bracelets to their original condition using advanced techniques. Our team provides obligation-free quotes after assessing structural integrity, ensuring safe and durable repairs for both KSD and non-KSD crafted pieces.
Polishing & Plating
Revive worn jewelry through professional polishing and rhodium plating. This service removes scratches and restores shine, with express options available for urgent needs. Regular maintenance is recommended to preserve the brilliance of precious metals and gemstones.
People
Allan Mouradjallian
Co-Founder & Master Jeweller
With over 45 years in fine jewelry, Allan oversees design and quality control at King Street Design. His dedication to craftsmanship ensures each piece meets exacting standards while maintaining a client-focused approach.
Gary Mouradjallian
Co-Founder & Operations Director
Gary manages day-to-day operations and client consultations, ensuring seamless service from initial design to final delivery. His expertise in gemstone selection and pricing contributes to the business's reputation for transparency.
Questions
What services does King Street Design offer?
We specialise in custom engagement rings, wedding bands, jewellery remodelling, watch repairs, and after-sales services like polishing and safety checks.
How long does a custom jewellery consultation take?
Appointments last as long as needed to fully understand your vision, with no time pressure during the design process.
Do you repair non-KSD jewellery?
Yes, we service all jewellery brands, though KSD customers receive priority and discounted rates on repairs.
Can inherited jewellery be repurposed?
Absolutely. Our remodelling service transforms heirlooms into modern pieces while preserving sentimental value and materials.
What watch brands do you service?
Our watchmaker handles luxury brands including Rolex, Cartier, Omega, TAG Heuer, and Longines with specialist care.
Reviews (7)
Al O. Keeffe
Nov 17, 2021 Report
Gary has designed and created my wife's engagement ring, wedding ring and one year anniversary ring. His professionalism and skill are second to none. The team at king street design went above and beyond to create what my wife wanted. They have gained a customers for life.
Yeghia Gharibian
Oct 07, 2021 Report
Gary has provided exceptional services for me and my family over the years and the Jewelry and watches are the very best quality. We are always impressed with Gary's work and King Street Design's quality services.
Reg F.
Apr 15, 2021 Report
Another brilliant result with the team helping us design a new ring that incorporated the elements from deceased family bequeathed rings into an new design that commemorated them. The design process from concepts to sketch to wax sculpt to finish product was careful, friendly, and always professional, while also providing suggestions and help. The value of the new ring outstripped the component parts and is more wearable. This is the second major design that we have undertaken with King Street Design and I would whole-heartedly recommend them to anyone considering a ring or other item as the process
Jo L.
Apr 14, 2021 Report
Gary was really helpful, he helped design my engagement ring in 2019, and made our wedding bands last year. Could not ask for more! :)
Rachael Dixon
Dec 21, 2020 Report
Highly recommend. Amazing service, very accommodating and excellent quality. The customer is always involved in every step of the way. We were very happy with the four rings they made for us. I have actually been stopped in the middle of the street from another Jeweler asking who made my engagement ring! Thanks so much Donna and Gary.
Joshua Barker
Nov 22, 2020 Report
One of the best jewelers in Sydney. We ordered a couple wedding bands the day before the wedding and Donna and her husband were able to create 2 beautiful wedding band and resizing wife engagement ring within 1 day (saving a huge potential embarrassment at the wedding). If you are looking for a Jewelry, I believe this one is best ones and would highly recommend going to see their store next time you are in the city.
Adam M.
Oct 31, 2020 Report
We highly recommend Gary & Donna from King Street Design.
Donna helped select the perfect diamonds and Gary created the perfect setting. We couldn't be happier with the finished engagement ring. They were both warm and generous with their time, and an absolute pleasure to deal with. Very professional - we will definitely go back. Thank you
Ingrid & Adam