Business Details
50+ Years
experience
Trusted Diamond Importers in Philadelphia
Neil D Reiff has been a trusted name in the diamond and jewelry industry since 1926, establishing itself as one of the premier diamond importers and wholesalers in the United States. Located in Philadelphia's historic Jeweler's Row, the company combines global partnerships with advanced technology to deliver exceptional diamonds and fine jewelry to retail jewelers and trade professionals. Our expertise lies in sourcing and inspecting natural diamonds from major cutting centers worldwide, ensuring each stone meets standards beyond laboratory certification. We specialize in GIA-certified diamonds and offer a wide range of fine jewelry, including custom engagement rings, wedding bands, necklaces, and bracelets.With four generations of experience, our team provides diamond evaluation, appraisal services, and brokerage, serving both domestic and international clients. Our commitment to quality extends to manufacturing unique diamond jewelry and offering flexible purchase terms for trade partners. As a respected member of global diamond bourses, we prioritize transparency, expertise, and customer service in every transaction.
Services
Diamond Engagement Rings
Loose Diamonds
Custom Jewelry Design
Diamond Appraisal Services
Jewelry Repair
Estate Valuation
Trade Memorandum Programs
GIA Certification
Diamond Brokerage
Wedding Jewelry
Details
- Year established: 1926
Highlights and features
- We offer over 95 years of expertise in diamond grading and evaluation.
- Our diamonds exceed laboratory certification standards through rigorous inspection.
- We provide access to global diamond markets through established partnerships.
- Our team includes GIA-trained gemologists with trade expertise.
- We manufacture custom fine jewelry with exceptional craftsmanship.
Associations and certifications
- Gemological Institute of America (GIA)
Services
Diamond Engagement Rings
We create exceptional diamond engagement rings using GIA-certified stones and platinum or gold settings. Our collection includes three-stone designs, hidden halo settings, and vintage-inspired cuts. Each ring combines precise craftsmanship with rare diamonds exceeding laboratory quality standards.
Loose Diamonds
Our inventory features round and fancy-shaped diamonds from global cutting centers, all accompanied by GIA certification. We offer matched pairs, small diamonds for repairs, and high-value stones for investment-grade collections.
Custom Jewelry Design
We specialize in creating one-of-a-kind jewelry pieces tailored to client specifications. Our designers work with platinum, gold, and diamonds to produce unique necklaces, bracelets, and rings that reflect individual style preferences.
Diamond Appraisal Services
Our GIA-trained gemologists provide accurate diamond and jewelry appraisals for insurance, estate planning, or resale purposes. We evaluate diamonds based on cut, color, clarity, and market value trends.
Trade Memorandum Programs
We offer flexible purchase terms and memorandum agreements for retail jewelers and trade professionals. This program provides access to our extensive diamond inventory and exclusive jewelry pieces for resale.
People
Neil Reiff
President
A GIA-trained gemologist with decades of experience in diamond grading and valuation. Neil leads diamond sourcing and appraisal services while maintaining relationships with global trade partners.
Questions
What types of diamonds do you specialize in?
We specialize in GIA-certified natural diamonds from major cutting centers worldwide, including round brilliants, fancy shapes, and investment-grade stones.
Do you sell directly to consumers?
We primarily serve trade professionals but also offer custom jewelry design and appraisal services to individual clients.
How do you ensure diamond quality?
All diamonds undergo inspection beyond laboratory reports, focusing on cut quality, light performance, and overall beauty.
Can you create custom jewelry designs?
Yes, our designers create bespoke pieces using platinum, gold, and client-selected diamonds for unique engagement rings and fine jewelry.
What trade services do you offer?
We provide memorandum programs, inventory access, and flexible purchase terms for retail jewelers and industry professionals.
Are your diamonds ethically sourced?
We adhere to strict ethical standards and participate in diamond bourses that follow responsible sourcing practices.
