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About Netopen

At Netopen, we are dedicated to the ethical sourcing and global trade of the world’s finest unpolished diamonds. Headquartered in the heart of Seattle, Washington, we serve as a premier bridge between the primary sources of raw crystals and the world’s most discerning manufacturers, jewelers, and investors.

Our Legacy, Our Passion

Our journey began with a singular vision: to bring transparency, integrity, and unparalleled expertise to the rough diamond market. We believe that every raw diamond holds “exquisite potential,” and our passion lies in meticulous sourcing and deep understanding of each stone’s unique journey from the earth to our collection.

Why Partner with Netopen?

  • Ethical Sourcing: We are committed to responsible trade practices, ensuring our diamonds are sourced through legitimate channels that respect both people and the environment.

  • Global Expertise: Our team consists of a global network of specialists, logisticians, and gemologists who bring decades of combined experience to every transaction.

  • Quality Assurance: We focus on providing high-quality raw and unpolished diamonds, selected for their superior characteristics and potential for brilliance.

  • Strategic Location: Our office at 920 Pine Avenue, Seattle, allows us to operate within a major global hub, facilitating efficient international trade and logistics.

Meet the Team

Success in the diamond industry is built on trust and collaboration. The Netopen team is comprised of dedicated professionals who share a commitment to excellence and a deep respect for the artistry of nature. We partner with our clients to provide not just a product, but a legacy built on trust.


Contact Us

  • Address: 920 Pine Avenue, Seattle, Washington 98101, USA

  • Phone: +1 (206) 555-0193

  • Email: info@netopen.click

  • Website: www.netopen.click

BEST SELLING PRODUCTS

Original price was: 900 $.Current price is: 750 $.

Netopen Natural White Raw Diamond 7.5ct Centerpiece specimen, exceptional large-format crystal for premier collections, near-colorless, dual independent assessment, full investment documentation.

Original price was: 450 $.Current price is: 370 $.

Netopen Natural White Raw Diamond 4.8ct Premier Grade, exceptional octahedral development and clarity combination, near-colorless, independent gemological assessment, investment documentation included.

Original price was: 175 $.Current price is: 140 $.

Netopen Natural White Raw Diamond 1.9ct with characteristic frosted alluvial surface texture, river-transported rounded form, natural origin confirmed, certified conflict-free with documentation.

Original price was: 350 $.Current price is: 285 $.

Netopen Natural Intense Yellow Raw Diamond 3.2ct, high nitrogen concentration producing deep saturated yellow, octahedral habit, certified natural intense yellow grade with spectroscopic documentation.

Original price was: 215 $.Current price is: 170 $.

Netopen Natural White Raw Diamond 2.2ct cubic crystal habit, rare stepped cube face development, geological anomaly documentation, certified conflict-free with crystal habit reference.

Original price was: 400 $.Current price is: 330 $.

Netopen Natural Fancy Purple-Pink Raw Diamond 1.4ct, among the rarest natural diamond color varieties, certified natural with advanced spectroscopic analysis documentation.

Original price was: 340 $.Current price is: 275 $.

Netopen Natural White Raw Diamond 4.1ct natural cleavage fragment, flat cleavage faces exposing diamond's perfect octahedral cleavage planes, certified natural with cleavage documentation.

Original price was: 200 $.Current price is: 160 $.

Netopen Natural White Raw Diamond Rough Crystal Lot of 10 stones 0.1–0.4ct each, all natural origin, conflict-free, with individual weights recorded, ideal for jewelry making and education.

Original price was: 200 $.Current price is: 160 $.

Netopen Natural Champagne Raw Diamond 2.3ct Dodecahedral crystal habit, warm alluvial-rounded form, natural dissolution surfaces, certified conflict-free with geological habit documentation.

Original price was: 160 $.Current price is: 125 $.

Netopen Natural White Raw Diamond 1.7ct in partial kimberlite matrix, geological context preserved, certified natural with matrix identification documentation and provenance.