The Global Fine Jewelry, Certified Diamond & Watchmaker Directory • 63,988 Verified Stores
📜 Insurance, Estate & GIA Gemological Valuation • Ontario, CA

Certified GIA Jewelry Appraisers & Insurance Valuation in Ontario, CA [Oct 2026]

Schedule formal insurance replacement appraisals, estate probate valuations, and GIA laser-inscription verifications with accredited gemologists in Ontario along Mills Cir, 4534 Mills Cir, 10825 Vernon Ave, 4810 Mills Cir (covering postal codes 91764, 10825, 91761).

Ontario, CA Local Market Overview (Oct 2026)

Whether you need a scheduled rider policy for homeowners insurance (Jewelers Mutual, Chubb, Vault), an equitable estate division report, or independent pre-purchase verification of a loose diamond in Ontario, California, working with a credentialed gemologist (GIA GG, NAJA, or ASA) ensures your documentation is accepted by all major underwriters.

Across Ontario, 8 verified showrooms along Mills Cir, 4534 Mills Cir, 10825 Vernon Ave, 4810 Mills Cir provide written gemological appraisals, led by PANDORA Jewelry, CASH FOR GOLD, Daniel's Jewelers.

Oct 2026 Valuation Fee Schedule

Typical Jewelry Appraisal Fees & Report Types in Ontario

Appraisal Type Typical Ontario Fee What Is Included
Insurance Replacement Valuation (Per Item) $95 – $165 Karat gram weight, 4Cs grading, macro photos & signed retail replacement certificate
Estate, Probate & Fair Market Valuation $95 – $165 / hr Secondary-market liquidation & estate tax schedule documentation
GIA Laser Inscription & Diamond Verification $20 – $45 Microscope girdle verification + HPHT/CVD synthetic screening while you watch

Quick Comparison: Top 📜 GIA Appraisals 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)
PA

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
#2 Verified Ontario Specialist ⭐ 4.7 (17 reviews)
CA

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
#3 Verified Ontario Specialist ⭐ 4.5 (40 reviews)
DA

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
#4 Verified Ontario Specialist ⭐ 4.2 (53 reviews)
CR

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
#5 Verified Ontario Specialist ⭐ 4.5 (11 reviews)
WE

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
#6 Verified Ontario Specialist ⭐ 4.5 (9 reviews)
SO

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
#7 Verified Ontario Specialist ⭐ 4.4 (7 reviews)
GO

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
#8 Verified Ontario Specialist ⭐ 3.9 (14 reviews)
ID

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

Frequently Asked Questions: 📜 GIA Appraisals in Ontario

How much does a jewelry appraisal cost in Ontario, CA?

In Ontario, a formal written insurance jewelry appraisal typically costs $95 – $165 per piece, with discounted hourly or multi-item rates for large inherited estate collections.

Can I watch my diamond being appraised in Ontario?

Yes. Reputable gemological studios in Ontario such as PANDORA Jewelry, CASH FOR GOLD, Daniel's Jewelers offer by-appointment "while-you-watch" appraisals so your ring never leaves your sight.