Diamond 〈DELUXE • 2026〉

Volcanic eruptions transport these diamonds to the surface through kimberlite and lamproite pipes.

Formed by the Earth and mined, representing rarity and tradition. DIAMOND

Because diamonds are the hardest known natural material (10 on the Mohs scale), they can only be polished using another diamond. The process of transforming a rough stone into a gem involves five steps: planning, cleaving/sawing, bruting, polishing, and final inspection. The 4 Cs of Quality Volcanic eruptions transport these diamonds to the surface

The absence of internal flaws (inclusions) or surface imperfections. The process of transforming a rough stone into

The value of a diamond is largely determined by the GIA grading system's 4 Cs: The weight of the diamond.

Due to their extreme hardness, roughly 99% of synthetic diamonds are used in industrial applications, such as specialized drills, high-precision cutting tools, and scientific equipment.

Same or next day shipping for Torsion Springs!

Since 1997 the Gold Standard for Online Garage Door Parts

Huge inventory of torsion springs for same or next day shipping! Here you will find all you need in the most common sizes of 1 3/4," 2," 2 1/4," and 2 5/8" inside diameter springs. Larger 3 3/4" and 6" inside diameter commercial and industrial springs may require a day or two to ship. You'll also find TorqueMaster Springs, Extension Springs, Self-Storage door springs, steel rolling door springs and springs for one piece single panel doors.

Shelves packed with every part you need to fix your doors.

Please note. Shipping times and costs have changed. Normal transit times are currently not guaranteed, even on next day and second day shipments. Shipping prices on items over eight feet have more than tripled.