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25 Years Crafting Custom Jewelry for Growing B2B Brands

We partner with small and mid-scale jewelers, boutiques, and e-commerce businesses to create custom fine jewelry through expert design, premium gemstone sourcing, and U.S.-based manufacturing.

For jewelry businesses and brands

What We Offer

Fine Jewelry Manufacturing for Your Jewelry Brand

Diam Ventures custom jewelry manufacturer USA LOS ANGELES

Fine Jewelry Manufacturing

Full-service manufacturing from concept to finished piece, delivering quality and precision for jewelers nationwide.

custom pear shape ruby and diamond ring by Diam Ventures Full Service Custom Jewelry Production

Made-to-Order Program

Tailored manufacturing on demand, eliminating inventory risks while keeping your collections fresh.

Custom jewelry design by Diam Ventures Custom Jewelry Production USA

Jewelry Production

Expertly crafted components designed to meet your brand’s high standards.

Diamond and Gemstone sourcing by Diam Ventures

Diamond & Gemstone Sourcing

Access luxury-grade gemstones and diamonds, responsibly sourced and competitively priced.

Private label jewelry with colombian emerald and diamond by Diam Ventures Custom Jewelry Production USA

No Minimum Order Quantities (No MOQ’s)

Flexible order sizes—from single prototypes to large collections—adapted to your needs.

Jewelry CAD designing for jewelry business

CAD/CAM Work

Precision design from concept to creation using cutting-edge technology, plus 30+ years of industry expertise to guide your brand.

Who We Work For

Diam Ventures partners with jewelers across the United States, helping them bring their visions to life with precision and care. Our clients include:

Custom jewelry manufacturer for small brands by Diam Ventures

Independent Jewelers & Boutique Stores

Custom jewelry manufacturer for bespoke diamond rings

Luxury Jewelry Designers

B2B jewelry manufacturer USA for e-commerce brands private label

E-Commerce Jewelry Brands

Private label jewelry supplier for B2B provided by Diam Ventures - a custom jewelry manufacturer, US-based

Private Label Jewelry Brands

Los Angeles

Why Jewelers Choose Diam Ventures

>Trusted by Jewelers Across the U.S. – 30+ years of experience serving independent jewelers, boutiques, and e-commerce brands.

>No Minimum Order Quantities – From a single prototype to a full collection, we accommodate all orders.

>Ethical Sourcing Practices – Luxury-grade gemstones and diamonds sourced responsibly.

>Fast Turnaround Times – From CAD to finished jewelry, we deliver efficiently without compromising quality.

>Transparent Pricing – Clear, competitive pricing with no hidden fees.

>Jewelers Are Happy with Our Work – Clients praise our craftsmanship, attention to detail, and ability to bring visions to life.

>Full-Service Manufacturing – Every step is handled in-house, from concept sketches to final polishing.

>Custom Solutions for Every Brand – Tailored manufacturing for independent jewelers, boutiques, and online brands.

Testimonials

" Having a realistic CAD render helps, my clients are able to visualize their design more clearly. Paresh is very detailed and understands the process. We are very happy with the results.

Howard. Howard’s Fine Jewelry, Alabama

Our Recent Projects

About Us

Diam Ventures, led by Paresh Parekh, is a trusted name in fine jewelry manufacturing and natural diamond supply, serving jewelers nationwide for over 30 years. With decades of hands-on experience in jewelry design, sourcing, and production, Paresh has built Diam Ventures into a full-service, B2B partner that jewelers rely on to grow their brands.

As a top natural diamond supplier, Diam Ventures provides high-quality, ethically sourced diamonds to independent jewelers, boutiques, e-commerce brands, and private label collections across the U.S. Jewelers love working with Diam Ventures for their exceptional craftsmanship, reliability, and personalized service, whether they need individual custom pieces, limited edition collections, or full-scale production runs.

Diam Ventures specializes in custom jewelry manufacturing, turning sketches, CAD designs, and concepts into stunning, market-ready pieces. From concept to completion, Paresh and his team handle every step in-house, ensuring precision, quality, and brand alignment for every client.

Whether it’s diamond sourcing, private label production, CAD/CAM design, or made-to-order programs, Diam Ventures combines expertise, speed, and flexibility to deliver jewelry solutions that jewelers trust. With a reputation for excellence and attention to detail, Diam Ventures has become a preferred partner for jewelers nationwide, helping brands scale, innovate, and delight their customers with fine jewelry they can be proud of.

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Let's Start Your Project

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