✨ 3D CAD Modeling & Lost-Wax Casting Studios • Ontario, CA

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

Collaborate directly with bespoke goldsmiths, 3D CAD digital modelers, and lost-wax casting ateliers along Mills Cir, 4534 Mills Cir, 10825 Vernon Ave, 4810 Mills Cir (covering postal codes 91764, 10825, 91761) to create one-of-a-kind engagement rings or redesign inherited family heirlooms.

← All 8 Ontario Stores 🪙 Sell Gold & Diamonds 🛠️ Jewelry & Watch Repair 💍 Engagement Rings ✨ Custom 3D CAD Design 👑 22k Gold & Bullion 📜 GIA Appraisals

Ontario, CA Local Market Overview (Oct 2026)

Commissioning custom jewelry in Ontario, California allows you to transform a sketch, photo, or inherited family diamond into a precision-crafted 14k/18k gold or platinum piece. Across Ontario, 8 verified studios along Mills Cir, 4534 Mills Cir, 10825 Vernon Ave, 4810 Mills Cir offer in-house 3D CAD rendering, 3D resin/wax try-on prototypes, and hand micro-pavé stone setting.

Leading bespoke design houses in Ontario include PANDORA Jewelry, CASH FOR GOLD, Daniel's Jewelers, backed by 193 local client reviews (4.5★ average).

Oct 2026 Bespoke Production Guide

Custom 3D CAD Jewelry Design Stages & Timelines in Ontario

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 Ontario

Showroom Name	Location / Corridor	Rating & Reviews	Direct Phone
#1 PANDORA Jewelry	1 Mills Cir, Ontario, CA 91764, USA	⭐ 4.9 (42)	(909) 476-9777
#2 CASH FOR GOLD	1 Mills Cir, Ontario, CA 91764, USA	⭐ 4.7 (17)	(323) 353-8173
#3 Daniel's Jewelers	4534 Mills Cir, Ontario, CA 91764, USA	⭐ 4.5 (40)	(909) 980-5544
#4 Crown Gold Exchange	980 Ontario Mills Dr, Ontario, CA 91764, USA	⭐ 4.2 (53)	(909) 980-8888
#5 Weisfield	4810 Mills Cir, Ontario, CA 91764, USA	⭐ 4.5 (11)	In-Store
#6 SOS Diamonds	10825 Vernon Ave, Ontario, CA 91762, USA	⭐ 4.5 (9)	(909) 519-8321
#7 GOLDEN Mart	3055 S Archibald Ave, Ontario, CA 91761, USA	⭐ 4.4 (7)	In-Store
#8 iDeal Jewels	4323 Mills Cir, Ontario, CA 91764, USA	⭐ 3.9 (14)	(909) 987-5100

Verified Showrooms in Ontario, CA

#1 Verified Ontario Specialist ⭐ 4.9 (42 reviews)

PANDORA Jewelry

📍 1 Mills Cir, Ontario, CA 91764, USA

PANDORA Jewelry is an esteemed jewelry showroom and custom design studio in Ontario. Offering fine handcrafted jewelry, diamond collections, and master artisan craftsmanship.

Fine JewelryCustom Consultation

📞 (909) 476-9777 🌐 Website

View Store Profile →

#2 Verified Ontario Specialist ⭐ 4.7 (17 reviews)

CASH FOR GOLD

📍 1 Mills Cir, Ontario, CA 91764, USA

CASH FOR GOLD is an esteemed jewelry showroom and custom design studio in Ontario. Offering fine handcrafted jewelry, diamond collections, and master artisan craftsmanship.

Fine JewelryCustom Consultation

📞 (323) 353-8173 🌐 Website

View Store Profile →

#3 Verified Ontario Specialist ⭐ 4.5 (40 reviews)

Daniel's Jewelers

📍 4534 Mills Cir, Ontario, CA 91764, USA

Daniel's Jewelers is an esteemed jewelry showroom and custom design studio in Ontario. Offering fine handcrafted jewelry, diamond collections, and master artisan craftsmanship.

Fine JewelryCustom Consultation

📞 (909) 980-5544 🌐 Website

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#4 Verified Ontario Specialist ⭐ 4.2 (53 reviews)

Crown Gold Exchange

📍 980 Ontario Mills Dr, Ontario, CA 91764, USA

Crown Gold Exchange is an esteemed jewelry showroom and custom design studio in Ontario. Offering fine handcrafted jewelry, diamond collections, and master artisan craftsmanship.

Fine JewelryCustom Consultation

📞 (909) 980-8888 🌐 Website

View Store Profile →

#5 Verified Ontario Specialist ⭐ 4.5 (11 reviews)

Weisfield

📍 4810 Mills Cir, Ontario, CA 91764, USA

Weisfield is an esteemed jewelry showroom and custom design studio in Ontario. Offering fine handcrafted jewelry, diamond collections, and master artisan craftsmanship.

Fine JewelryCustom Consultation

View Store Profile →

#6 Verified Ontario Specialist ⭐ 4.5 (9 reviews)

SOS Diamonds

📍 10825 Vernon Ave, Ontario, CA 91762, USA

SOS Diamonds is an esteemed jewelry showroom and custom design studio in Ontario. Offering fine handcrafted jewelry, diamond collections, and master artisan craftsmanship.

Fine JewelryCustom Consultation

📞 (909) 519-8321 🌐 Website

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#7 Verified Ontario Specialist ⭐ 4.4 (7 reviews)

GOLDEN Mart

📍 3055 S Archibald Ave, Ontario, CA 91761, USA

GOLDEN Mart is an esteemed jewelry showroom and custom design studio in Ontario. Offering fine handcrafted jewelry, diamond collections, and master artisan craftsmanship.

Fine JewelryCustom Consultation

View Store Profile →

#8 Verified Ontario Specialist ⭐ 3.9 (14 reviews)

iDeal Jewels

📍 4323 Mills Cir, Ontario, CA 91764, USA

iDeal Jewels is an esteemed jewelry showroom and custom design studio in Ontario. Offering fine handcrafted jewelry, diamond collections, and master artisan craftsmanship.

Fine JewelryCustom Consultation

📞 (909) 987-5100

View Store Profile →

Frequently Asked Questions: ✨ Custom 3D CAD Design in Ontario

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

Yes. Bespoke studios in Ontario such as PANDORA Jewelry, CASH FOR GOLD, Daniel's Jewelers 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 Ontario?

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

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Live Gold & Diamond Calculators

Use our free gemological tools before visiting any showroom in Ontario.

🪙 Gold Scrap Payout Calculator 💎 Diamond Carat Price Guide 💍 Ring Size Converter

✨ Custom 3D CAD Design in Nearby Cities

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