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Business Details
41 Years
experience
Your Trusted Source for Custom Diamond Jewellery in Markham
At Kestane Jewellery, we have dedicated ourselves to providing exceptional diamond engagement rings and fine jewellery since 1985. Our expertise in custom design, combined with a commitment to quality, ensures every piece meets the highest standards of craftsmanship. We source diamonds certified by renowned laboratories such as GIA, IGI, and HRD, including conflict-free Canadian diamonds with verifiable origins. Our in-house master goldsmith, with over 25 years of experience, delivers precise repair and restoration services, while our team of consultants offers personalized guidance to help clients select or create meaningful jewellery.

Affiliated with the Canadian Jewellers Association, we prioritize trust, transparency, and customer satisfaction, ensuring every interaction reflects our dedication to excellence and enduring relationships.
Services
Engagement Rings Custom Designs Jewellery Repair Lab-Grown Diamonds Appraisals
Details
  • Year established: 1985
Highlights and features
  • We offer over 35 years of expertise in diamond and jewellery craftsmanship.
  • Our diamonds are certified by globally recognized laboratories including GIA and IGI.
  • We provide lab-grown diamond options for ethical and sustainable choices.
  • Our in-house master goldsmith ensures precision in repairs and custom designs.
  • We prioritize personalized service, tailoring solutions to individual client needs.
Associations and certifications
  • Canadian Jewellers Association
Services
Engagement Rings
Our engagement rings feature certified diamonds from GIA, IGI, and HRD, including conflict-free Canadian options. Each piece combines timeless elegance with modern design, ensuring a perfect symbol of commitment. Customization options allow clients to create unique, personalized heirlooms.
Custom Designs
Using 3D CAD technology and traditional handcrafting, we create one-of-a-kind jewellery tailored to client preferences. From heirloom updates to new designs, our process emphasizes precision, quality materials, and artistic flair for truly distinctive pieces.
Jewellery Repair
Our master goldsmith provides comprehensive repair services, including resizing, stone setting, and rhodium plating. With over 25 years of experience, we restore even intricate pieces to their original beauty, ensuring durability and aesthetic integrity.
Lab-Grown Diamonds
Lab-grown diamonds offer an eco-conscious alternative, matching natural diamonds in quality and brilliance. We offer a range of shapes and sizes, providing sustainable options without compromising on beauty or value for discerning clients.
Appraisals
We provide detailed appraisals for insurance purposes, conducted by experts familiar with market standards. New purchases receive complimentary appraisals, while existing jewellery from other retailers is assessed for a nominal fee.
Questions
How does Kestane Jewellery ensure diamond quality?
All diamonds are certified by respected labs like GIA and IGI, with conflict-free Canadian options traceable via Arcticmark or CanadaMark.
Can I create a custom jewellery design?
Yes, our 3D CAD technology and handcrafting expertise allow for fully personalized designs, from concept to final production.
What repair services are available?
We offer resizing, stone setting, rhodium plating, chain repairs, and more, performed by our experienced in-house goldsmith.
Do you offer lab-grown diamond options?
Yes, we provide ethically sourced lab-grown diamonds in various shapes and sizes, identical in quality to natural stones.
How can I book an appointment?
Appointments are available via our website or by contacting our Markham location directly for personalized consultations.