CorundumStones Mining Estate
  • Shop by Budget ▼
    • 💎 Search All Stones
    • 💰 Under $1,000
    • 💰 $2,000 – $4,000
    • 💰 Above $5,000
    • 🧭 Above $10,000 – Investment Process
    • 📰 Fieldnotes & Articles
  • Sapphire
    • Appraised Premium Engagement & Wedding Ring Sapphire
    • Blue Sapphire
    • Fancy Color Sapphire
    • Padparadscha Sapphire
    • Pastel Color Sapphire
    • Pink Sapphire
    • Sapphire
    • White Sapphire
    • Yellow Sapphire
  • Engagement & Wedding
    • Appraised Premium Engagement & Wedding Ring Ruby
    • Engagement & Wedding Ring Alexandrite
    • Engagement & Wedding Ring Spinel
    • Engagement & Wedding Ring Tourmaline
    • Rare Engagement Ring Gems
  • Ruby
    • Pigeon Blood Red Ruby
    • Purplish Red Ruby
    • Ruby
  • Emerald
    • Emerald
  • Other Gems
    • Gemstone Investment Portfolio
    • LIVE AUCTION
    • Other Gems
Field-selected gems & custom lapidary *CorundumStones Mining Estate

Get in touch

Message Us
Opens our corporate site (GemstonePortfolio.com) for secure messaging.
+1 (307) 355-8288
30 North Gould Street, Sheridan WY 82801,
UNITED STATES
Authenticity GuaranteedAuthenticity Guaranteed
Expert SupportPersonalized Buying Support
From the FieldCustom Options From the Field
Secure PaymentSecure Payment Options

Opening hours

Sunday & Monday: Closed

Tuesday – Thursday: 08:00 – 21:00

Friday & Saturday: Exclusive Access for Corporate Clients
We mainly work with corporate buyers, but also welcome private clients, bespoke ring seekers, and jewelers fulfilling their clients' visions.

Useful Links

Search Gemstone Database Terms & Conditions Privacy Policy FREE worldwide expedited shipping
©