Business Details
38 Years
experience
Sell Diamonds & Jewelry in San Francisco
Diamonds4cashSF has been a trusted name in the diamond and jewelry buying industry for over 35 years. Our team of GIA-trained gemologists specializes in evaluating and purchasing diamonds, fine jewelry, luxury watches, and estate jewelry, offering immediate payment with no obligation. We pride ourselves on maintaining the highest standards of integrity, professionalism, and customer service, backed by accreditations from the Better Business Bureau (A+ rating), Jewelers Vigilance Committee, and Jewelers of America.With global trade connections in major diamond centers like Antwerp and Hong Kong, we leverage our expertise to maximize payouts for clients. Our services are discreet, confidential, and insured by Lloyds of London, ensuring a secure and seamless transaction whether in-person or via insured shipment.
Services
Diamond Buying
Jewelry Appraisal
Luxury Watch Purchase
Estate Jewelry Evaluation
Gold Buying Services
Details
- Year established: 1988
Highlights and features
- We have over 35 years of experience in diamond and jewelry buying.
- Our team includes GIA-trained gemologists for accurate evaluations.
- We offer immediate payment via bank wire, check, or cash.
- We maintain global trade connections for competitive pricing.
- We are BBB-accredited with an A+ rating and complaint-free record.
Associations and certifications
- Better Business Bureau
- Jewelers Vigilance Committee
- Jewelers of America
- GIA Alumni
What people say
Highest payouts
Professional staff
Quick transactions
Secure process
Expert evaluations
Services
Diamond Buying
We specialize in buying loose diamonds and diamond jewelry. Our GIA-trained gemologists evaluate quality, rarity, and market value to offer competitive prices. Clients receive immediate payment via preferred method. Our global trade connections ensure maximum payout for all diamond types, including certified and estate pieces.
Jewelry Appraisal
Expert appraisal services for fine jewelry and estate pieces. Our team assesses metal purity, gemstone quality, and historical value to determine fair market price. Appointments guarantee one-on-one consultation with specialists, ensuring accurate valuations for both modern and antique jewelry.
Luxury Watch Purchase
We buy premium timepieces including Rolex and other luxury brands. Our experts evaluate condition, authenticity, and market demand to provide instant offers. Services include in-person evaluations at our Union Square showroom or secure insured shipment options for client convenience.
Estate Jewelry Evaluation
Specialized assessment for inherited or vintage jewelry. We consider craftsmanship, historical significance, and material value to maximize returns. Our discreet process maintains confidentiality while ensuring clients receive competitive offers for family heirlooms and antique pieces.
Gold Buying Services
We purchase gold jewelry and scrap materials, testing karat purity to determine current market value. Premium pricing applies to branded and signed pieces. Transactions include immediate payment options and secure handling of all gold items, regardless of condition or quantity.
Questions
Do you buy gold jewelry?
Yes, we purchase gold jewelry and scrap materials. We test karat purity and pay based on current market prices, offering premium rates for branded pieces.
Why sell diamonds to Union Square Diamond Buyers?
With 35+ years of experience, GIA-trained experts, and global trade connections, we guarantee competitive pricing and immediate payment for all diamond transactions.
How quickly will I receive payment?
We offer immediate payment via bank wire, check, or cash upon acceptance of our offer, ensuring fast and secure fund transfer.
What if I can't visit your showroom?
We arrange insured shipment pickup via overnight carriers for items under $50,000 or armored transport for higher-value items, with all items insured by Lloyds of London.
Do certified diamonds receive higher prices?
Certification verifies authenticity but doesn't increase value. However, certified diamonds often expedite the evaluation process and ensure accurate market pricing.
Are your services confidential?
Yes, we guarantee complete privacy and confidentiality for all transactions, with secure handling of personal information and valuables.
