Gemstone Trading & Sourcing

Nicole Cortinez offers a trusted and personalized Gemstone Trading & Sourcing service tailored to meet the needs of private collectors, jewelry houses, designers, and investors seeking exceptional gemstones of verified quality and origin.

Gemstone Trading & Sourcing

With over 16 years of industry expertise and global connections, Nicole Cortinez offers a trusted and personalized Gemstone Trading & Sourcing service tailored to meet the needs of private collectors, jewelry houses, designers, and investors seeking exceptional gemstones of verified quality and origin.

Nicole specializes in sourcing high-value diamonds, colored stones (including rubies, sapphires, emeralds, and spinels), and rare collector-grade gems from ethical and reputable suppliers around the world. Leveraging her extensive network across gem-producing regions—including Sri Lanka, Colombia, Thailand, and East Africa—Nicole ensures access to a curated selection of natural, untreated, and certified stones that meet strict gemological and ethical standards.

Every transaction is backed by Nicole’s credentials, including her Graduate Gemologist (GIA), Accredited Gemologist (AGS), and FGA (Gem-A) certifications, providing clients with peace of mind and confidence in the authenticity, quality, and value of their acquisitions.

Services include:

  • Tailored gemstone sourcing based on budget, specification, and intended use
  • Transparent negotiation and acquisition on behalf of clients
  • Full gemological evaluation and certification review
  • Advisory on market trends, investment potential, and resale value
  • Ethical sourcing with a focus on conflict-free and sustainably mined gems

Whether you’re acquiring a centerpiece stone for a custom engagement ring, sourcing matched gems for a luxury collection, or building a portfolio of investment-grade stones, Nicole Cortinez delivers integrity, insight, and unmatched expertise in every facet of the trade.