Insights

Vertical capabilities Star Diamond operates as a full service custom jewelry manufacturer and wholesaler with in-house design, wax molding, casting, diamond selection, setting and finishing. This breadth indicates opportunities to upsell integrated solutions for retailers and boutique jewelers seeking end-to-end production and unique in-house capabilities.

Ecommerce leverage They maintain an active eBay store with Platinum Power-Seller status and strong customer service reputation, suggesting potential for expanding direct-to-consumer channels, export opportunities, and cross-listing with marketplaces to grow online sales and reach new customer segments.

Strategic partnerships Past collaboration with Rio Tinto signals openness to strategic partnerships in sourcing and supply chain. Re-engagement or alternative aligned partnerships could unlock better access to high-quality stones, pricing, and co-branding opportunities.

Market positioning Revenue is in the multi-million range with mid-size employee base, placing Star Diamond between boutique luxury and large-scale jewelers. This positioning can be leveraged to target mid-market retailers and regional studios seeking premium, customized jewelry solutions with reliable fulfillment.

Operational synergies In-house cleaning, polishing and repair along with on-site expertise create a value proposition for service-heavy partnerships, such as workshop collaborations, repair networks, and rental or loaner programs for retailers needing maintenance support and faster turnaround.

Similar companies to Star Diamond

Star Diamond Tech Stack

Star Diamond uses 6 technology products and services including Microsoft 365, GoDaddy Email, YUI, and more. Explore Star Diamond's tech stack below.

  • GoDaddy Email
    Email Hosting
  • YUI
    Javascript Libraries
  • GoDaddy
    Web Hosting
  • Apache
    Web Servers
  • Apache HTTP Server
    Web Servers

Star Diamond's Email Address Formats

Star Diamond uses at least 2 email formats:
Star Diamond Email FormatsExamplePercentage
First.Last@stardiamondsandiego.comJohn.Doe@stardiamondsandiego.com
83%
First@stardiamondsandiego.comJohn@stardiamondsandiego.com
17%

Frequently Asked Questions

What is Star Diamond's official website and social media links?

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Star Diamond's official website is stardiamondsandiego.com and has social profiles on LinkedIn.

How much revenue does Star Diamond generate?

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As of September 2026, Star Diamond's annual revenue is estimated to be $10M - $25M.

What is Star Diamond's NAICS code?

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Star Diamond's NAICS code is 4483 - Jewelry, Luggage, and Leather Goods Stores.

How many employees does Star Diamond have currently?

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As of September 2026, Star Diamond has approximately 171 employees across 4 continents, including North America, Asia and Africa. Key team members include Cfo: D. H., Owner: B. S. and Hr Manager: J. M. Explore Star Diamond's employee directory with LeadIQ.

What industry does Star Diamond belong to?

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Star Diamond operates in the Retail Luxury Goods and Jewelry industry.

What technology does Star Diamond use?

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Star Diamond's tech stack includes Microsoft 365, GoDaddy Email, YUI, GoDaddy, Apache and Apache HTTP Server.

What is Star Diamond's email format?

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Star Diamond's email format typically follows the pattern of First.Last@stardiamondsandiego.com. Find more Star Diamond email formats with LeadIQ.

When was Star Diamond founded?

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Star Diamond was founded in 2008.
Star Diamond logo

Star Diamond

Retail Luxury Goods and JewelryCalifornia, United States51-200 Employees

Star Diamond is a full-service jewelry producer and buyer of precious stones, metals, and diamonds based in San Diego, California. The company supplies wholesale diamonds ranging from small melee stones to stones over 50 carats and provides end-to-end jewelry design and manufacturing, including CAD design, wax modeling, precision casting, diamond selection, setting, and finishing. It also purchases precious stones and metals and maintains access to fancy colored diamonds—natural or enhanced—in various sizes and shapes, along with a range of fancy-shaped melee such as princess, baguette, marquise, pear, oval, Asscher, Radiant, and Ideal-cut.

Star Diamond operates the Star Diamond & Jewelry Store on eBay, selling vintage, retro, and modern jewelry; the store holds Platinum-level Power-Seller status and is recognized for fast, safe shipping and service. The physical presence is within the Jewelry Exchange building in Downtown San Diego, with in-house cleaning, polishing, and repair work performed by an in-house jeweler. In February 2023, Stardiamondsandiego announced a partnership with Rio Tinto Limited, though Rio Tinto later signalled winding down its involvement.

Section iconCompany Overview

NAICS Code
4483 - Jewelry, Luggage, and Leather Goods Stores
Founded
2008
Employees
51-200

Section iconFunding & Financials

  • $10M - $25M

    Star Diamond's revenue is estimated to be in the range of $10M - $25M

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