The Global Fine Jewelry, Certified Diamond & Watchmaker Directory • 63,988 Verified Stores
✨ 3D CAD Modeling & Lost-Wax Casting Studios • St. Catharines, Ontario

Custom Jewelry Designers & 3D CAD Ring Studios in St. Catharines, Ontario [Oct 2026]

Collaborate directly with bespoke goldsmiths, 3D CAD digital modelers, and lost-wax casting ateliers along 221 Glendale Ave, Lake St, 285 Geneva St, 100 Fourth Ave (covering postal codes L2N 2E8, L2M 1S6, L2N 2G1, L2N 4E5, L2N 1K8) to create one-of-a-kind engagement rings or redesign inherited family heirlooms.

St. Catharines, Ontario Local Market Overview (Oct 2026)

Commissioning custom jewelry in St. Catharines, Ontario allows you to transform a sketch, photo, or inherited family diamond into a precision-crafted 14k/18k gold or platinum piece. Across St. Catharines, 34 verified studios along 221 Glendale Ave, Lake St, 285 Geneva St, 100 Fourth Ave offer in-house 3D CAD rendering, 3D resin/wax try-on prototypes, and hand micro-pavé stone setting.

Leading bespoke design houses in St. Catharines include Osborne's Jewellery Repair Studio, Petar's Jewellery Ltd, Karat Jewellers, backed by 632 local client reviews (4.5★ average).

Oct 2026 Bespoke Production Guide

Custom 3D CAD Jewelry Design Stages & Timelines in St. Catharines

Custom Design Stage What Happens in Studio Typical Timeline
1. Stone Measurement & Sketch Millimeter caliper mapping of heirloom or loose center stones & metal selection Day 1 (In-Store Consultation)
2. 3D CAD Digital Render & Wax Print Photorealistic 360° CAD angles + 3D printed wax model to try on your finger 3 – 7 Business Days
3. Lost-Wax Casting & Master Setting Solid 14k/18k gold or 950 platinum casting, microscope stone setting & polish 10 – 14 Business Days

Quick Comparison: Top ✨ Custom 3D CAD Design Specialists in St. Catharines

Showroom Name Location / Corridor Rating & Reviews Direct Phone
#1 Osborne's Jewellery Repair Studio 284 Geneva St, St. Catharines, ON L2N 2E8 Ontario, Canada ⭐ 4.9 (25) +1 905-938-9888
#2 Petar's Jewellery Ltd 268 Geneva St, St. Catharines, ON L2N 2E8 Ontario, Canada ⭐ 4.8 (28) +1 905-937-7340
#3 Karat Jewellers 285 Geneva St, St. Catharines, ON L2N 2G1 Ontario, Canada ⭐ 4.8 (26) +1 905-646-2800
#4 Mivue Stanley St, St. Catharines, ON L2M 1S6 Ontario, ⭐ 4.7 (27) In-Store
#5 Sweetlight Jewellery 2 Philpark Rd, St. Catharines, ON L2N 4E5 Ontario, Canada ⭐ 4.8 (13) +1 647-855-5261
#6 Kavar Jewellers 221 Glendale Ave, St. Catharines, ON L2T 2K9 Ontario, Canada ⭐ 4.7 (22) +1 905-704-0632
#7 M.T.'s ROCKS 22 Secord Dr unit 6, St. Catharines, ON L2N 1K8 Ontario, Canada ⭐ 4.8 (6) +1 905-348-7627
#8 Charm Diamond Centres 221 Glendale Ave #82, St. Catharines, ON L2T 2K9 Ontario, Canada ⭐ 4.6 (29) +1 905-684-0004

Verified Showrooms in St. Catharines, Ontario

#1 Verified St. Catharines Specialist ⭐ 4.9 (25 reviews)
OS

Osborne's Jewellery Repair Studio

📍 284 Geneva St, St. Catharines, ON L2N 2E8 Ontario, Canada

Osborne's Jewellery Repair Studio is an esteemed jewelry boutique and artisan atelier in St. Catharines. Specializing in certified diamond engagement rings, bespoke custom fine jewelry design, luxury timepieces, and master on-site bench repair craftsmanship.

Jewelry Repairs
#2 Verified St. Catharines Specialist ⭐ 4.8 (28 reviews)
PE

Petar's Jewellery Ltd

📍 268 Geneva St, St. Catharines, ON L2N 2E8 Ontario, Canada

Petar's Jewellery Ltd is an esteemed jewelry boutique and artisan atelier in St. Catharines. Specializing in certified diamond engagement rings, bespoke custom fine jewelry design, luxury timepieces, and master on-site bench repair craftsmanship.

Fine JewelryCustom Consultation
#3 Verified St. Catharines Specialist ⭐ 4.8 (26 reviews)
KA

Karat Jewellers

📍 285 Geneva St, St. Catharines, ON L2N 2G1 Ontario, Canada

Karat Jewellers is an esteemed jewelry boutique and artisan atelier in St. Catharines. Specializing in certified diamond engagement rings, bespoke custom fine jewelry design, luxury timepieces, and master on-site bench repair craftsmanship.

Jewelry Repairs
#4 Verified St. Catharines Specialist ⭐ 4.7 (27 reviews)
MI

Mivue

📍 Stanley St, St. Catharines, ON L2M 1S6 Ontario,

Mivue is an esteemed jewelry boutique and artisan atelier in St. Catharines. Specializing in certified diamond engagement rings, bespoke custom fine jewelry design, luxury timepieces, and master on-site bench repair craftsmanship.

Fine JewelryCustom Consultation
#5 Verified St. Catharines Specialist ⭐ 4.8 (13 reviews)
SW

Sweetlight Jewellery

📍 2 Philpark Rd, St. Catharines, ON L2N 4E5 Ontario, Canada

Sweetlight Jewellery is an esteemed jewelry boutique and artisan atelier in St. Catharines. Specializing in certified diamond engagement rings, bespoke custom fine jewelry design, luxury timepieces, and master on-site bench repair craftsmanship.

Fine JewelryCustom Consultation
#6 Verified St. Catharines Specialist ⭐ 4.7 (22 reviews)
KA

Kavar Jewellers

📍 221 Glendale Ave, St. Catharines, ON L2T 2K9 Ontario, Canada

Kavar Jewellers is an esteemed jewelry boutique and artisan atelier in St. Catharines. Specializing in certified diamond engagement rings, bespoke custom fine jewelry design, luxury timepieces, and master on-site bench repair craftsmanship.

Jewelry Repairs
#7 Verified St. Catharines Specialist ⭐ 4.8 (6 reviews)
M.

M.T.'s ROCKS

📍 22 Secord Dr unit 6, St. Catharines, ON L2N 1K8 Ontario, Canada

M.T.'s ROCKS is an esteemed jewelry boutique and artisan atelier in St. Catharines. Specializing in certified diamond engagement rings, bespoke custom fine jewelry design, luxury timepieces, and master on-site bench repair craftsmanship.

Fine JewelryCustom Consultation
#8 Verified St. Catharines Specialist ⭐ 4.6 (29 reviews)
CH

Charm Diamond Centres

📍 221 Glendale Ave #82, St. Catharines, ON L2T 2K9 Ontario, Canada

Charm Diamond Centres is an esteemed jewelry boutique and artisan atelier in St. Catharines. Specializing in certified diamond engagement rings, bespoke custom fine jewelry design, luxury timepieces, and master on-site bench repair craftsmanship.

Fine JewelryCustom Consultation
#9 Verified St. Catharines Specialist ⭐ 4.7 (16 reviews)
HO

Hoang Jewellers

📍 120 Welland Ave, St. Catharines, ON L2R 2N3 Ontario, Canada

Hoang Jewellers is an esteemed jewelry boutique and artisan atelier in St. Catharines. Specializing in certified diamond engagement rings, bespoke custom fine jewelry design, luxury timepieces, and master on-site bench repair craftsmanship.

Fine JewelryCustom Consultation
#10 Verified St. Catharines Specialist ⭐ 4.6 (26 reviews)
EN

Engager Rings Corp.

📍 6 Lake St, St. Catharines, ON L2R 5W6 Ontario, Canada

Engager Rings Corp. is an esteemed jewelry boutique and artisan atelier in St. Catharines. Specializing in certified diamond engagement rings, bespoke custom fine jewelry design, luxury timepieces, and master on-site bench repair craftsmanship.

Fine JewelryCustom Consultation
#11 Verified St. Catharines Specialist ⭐ 4.7 (13 reviews)
KE

Kevo Jewelry Boutique

📍 286 Bunting Rd suite 1, St. Catharines, ON L2M 7S5 Ontario, Canada

Kevo Jewelry Boutique is an esteemed jewelry boutique and artisan atelier in St. Catharines. Specializing in certified diamond engagement rings, bespoke custom fine jewelry design, luxury timepieces, and master on-site bench repair craftsmanship.

Fine JewelryCustom Consultation
#12 Verified St. Catharines Specialist ⭐ 4.7 (10 reviews)
JU

Justyna G Custom Jewellery

📍 221 Glendale Ave, St. Catharines, ON L2T 2K9 Ontario,

Justyna G Custom Jewellery is an esteemed jewelry boutique and artisan atelier in St. Catharines. Specializing in certified diamond engagement rings, bespoke custom fine jewelry design, luxury timepieces, and master on-site bench repair craftsmanship.

Custom Design
#13 Verified St. Catharines Specialist ⭐ 4.7 (9 reviews)
WI

Williams Jewellers

📍 38 James St, St. Catharines, ON L2R 5B8 Ontario, Canada

Williams Jewellers is an esteemed jewelry boutique and artisan atelier in St. Catharines. Specializing in certified diamond engagement rings, bespoke custom fine jewelry design, luxury timepieces, and master on-site bench repair craftsmanship.

Fine JewelryCustom Consultation
#14 Verified St. Catharines Specialist ⭐ 4.6 (12 reviews)
SP

Spencers

📍 Pen Centre, 221 Glendale Ave #23, St. Catharines, ON L2T 2K9 Ontario, Canada

Spencers is an esteemed jewelry boutique and artisan atelier in St. Catharines. Specializing in certified diamond engagement rings, bespoke custom fine jewelry design, luxury timepieces, and master on-site bench repair craftsmanship.

Fine JewelryCustom Consultation
#15 Verified St. Catharines Specialist ⭐ 4.6 (11 reviews)
JE

Jewellery By Michael

📍 Ridley Heights Plaza, 100 Fourth Ave, St. Catharines, ON L2S 3P3 Ontario, Canada

Jewellery By Michael is an esteemed jewelry boutique and artisan atelier in St. Catharines. Specializing in certified diamond engagement rings, bespoke custom fine jewelry design, luxury timepieces, and master on-site bench repair craftsmanship.

Jewelry Repairs
#16 Verified St. Catharines Specialist ⭐ 4.5 (23 reviews)
PE

Penner Fine Jewellers

📍 436 Vansickle Rd #10, St. Catharines, ON L2S 0A4 Ontario, Canada

Penner Fine Jewellers is an esteemed jewelry boutique and artisan atelier in St. Catharines. Specializing in certified diamond engagement rings, bespoke custom fine jewelry design, luxury timepieces, and master on-site bench repair craftsmanship.

Fine JewelryCustom Consultation
#17 Verified St. Catharines Specialist ⭐ 4.6 (9 reviews)
SI

SILVER PHOENIX JEWELLERY

📍 285 Geneva St, St. Catharines, ON L2N 2G1 Ontario, Canada

SILVER PHOENIX JEWELLERY is an esteemed jewelry boutique and artisan atelier in St. Catharines. Specializing in certified diamond engagement rings, bespoke custom fine jewelry design, luxury timepieces, and master on-site bench repair craftsmanship.

Fine JewelryCustom Consultation
#18 Verified St. Catharines Specialist ⭐ 4.5 (21 reviews)
PA

PANDORA

📍 221 Glendale Ave #115A, St. Catharines, ON L2T 2K9 Ontario, Canada

PANDORA is an esteemed jewelry boutique and artisan atelier in St. Catharines. Specializing in certified diamond engagement rings, bespoke custom fine jewelry design, luxury timepieces, and master on-site bench repair craftsmanship.

Fine JewelryCustom Consultation
#19 Verified St. Catharines Specialist ⭐ 4.4 (30 reviews)
P3

P3 Stamped With Love

📍 80 Allan Dr, St. Catharines, ON L2N 1E9 Ontario,

P3 Stamped With Love is an esteemed jewelry boutique and artisan atelier in St. Catharines. Specializing in certified diamond engagement rings, bespoke custom fine jewelry design, luxury timepieces, and master on-site bench repair craftsmanship.

Fine JewelryCustom Consultation
#20 Verified St. Catharines Specialist ⭐ 4.4 (29 reviews)
LE

Lessard Coutu Custom Jewellery

📍 4 1/2 Lake St, St. Catharines, ON L2R 5W6 Ontario, Canada

Lessard Coutu Custom Jewellery is an esteemed jewelry boutique and artisan atelier in St. Catharines. Specializing in certified diamond engagement rings, bespoke custom fine jewelry design, luxury timepieces, and master on-site bench repair craftsmanship.

Custom DesignJewelry Repairs

Frequently Asked Questions: ✨ Custom 3D CAD Design in St. Catharines

Can jewelers in St. Catharines melt my old gold or reset family diamonds into a new custom ring?

Yes. Bespoke studios in St. Catharines such as Osborne's Jewellery Repair Studio, Petar's Jewellery Ltd, Karat Jewellers routinely unset heirloom diamonds and gemstones, credit or refine your existing gold, and cast a brand-new 3D CAD mounting tailored to your exact finger size.

How long does custom engagement ring design take in St. Catharines?

Most custom 3D CAD jewelry projects in St. Catharines, Ontario take 2 to 3 weeks from initial digital CAD approval and wax prototype try-on to final casting and stone setting.