Gunther Diamond Tools
- Location
- US contact/mail PO Box 68307, Oro Valley, AZ 85737; phone (520) 314-9809; email kevin@guntherdiamondtools.com; manufacturing described as Idar-Oberstein, Germany (About)
- Last checked
- 2026-11-06
What it is
Gunther Diamond Tools (also styled Günther Diamond Tools) is a manufacturer and online shop for water-cooled diamond core drilling systems and bits used in lapidary, gemstone, glass and ceramic work. The About page says production began for the company’s own gemstone drilling shop in Idar-Oberstein, Germany, and that it offers diamond drill bits and lapidary drill presses. The Contact page lists a US phone, email and PO Box in Oro Valley, Arizona.
Product pages show printed prices and an Add to cart button. A site Cart page is present.
Who it’s for
Cabbers, gem cutters and jewelers who need precision water-fed diamond core drilling (bead holes, stone drilling) from a first-party shop with posted prices and online checkout, rather than buying bits only through third-party marketplaces.
Why it’s listed
It is a first-party shop with a working cart, visible prices on a flagship drill press and in-stock drill bits, written contact details and a clear lapidary/gemstone drilling focus. The listing centers on the TBH Pro 3 press and stock drill bits, not industrial-only lines.
Official URL
Shop home: https://guntherdiamondtools.com/
Stock-size lapidary diamond core drill bits: https://guntherdiamondtools.com/products/lapidary-diamond-core-drill-bits-stock-sizes-gunther-diamond-tools
Multidrill Water Swivel Adapter Kit: https://guntherdiamondtools.com/products/multidrill-water-swivel-adapter-kit
Cart: https://guntherdiamondtools.com/cart
About: https://guntherdiamondtools.com/pages/about-us
Contact: https://guntherdiamondtools.com/pages/contact-us
Shipping policy: https://guntherdiamondtools.com/policies/shipping-policy
(All checked 2026-11-06 and returned HTTP 200 to curl with a Chrome user agent.)
Location
US contact: PO Box 68307, Oro Valley, AZ 85737; phone (520) 314-9809; email kevin@guntherdiamondtools.com (Contact page). Manufacturing: About describes the company as located in Idar-Oberstein, Germany. The public pages do not print a US street retail counter.
This is a supplier (manufacturer / online equipment retailer). It is not a club or a school.
Notes
- Gunther TBH Pro 3 Diamond Drill Press (store, check date): $2,870.10, available, Add to cart. Water-cooled small-diameter diamond core drilling system for lapidary/gemstone work; product page describes Water Guard Sensor, Flooding Stop bracket and stainless steel precision shaft upgrades over the TBH Pro 2, built on a Proxxon platform with Gunther water-feed and alignment systems.
- Stock-size lapidary diamond core drill bits (store, check date): from $36.90 (size-dependent up to about $118.37), multiple sizes available, Add to cart. Page notes counterpart pieces are sold separately for the self-centering system, and that shipping may take a few days or up to 2–4 weeks if inventory is depleted.
- Multidrill Water Swivel Adapter Kit (store, check date): $499.99, available, Add to cart — adapts a standard Jacobs-chuck drill press for water-cooled diamond core drilling.
- Shipping / contact: Contact lists Oro Valley PO Box and Arizona phone; Shopify shop country metadata also reflects DE. Confirm shipping quotes on the shipping policy / checkout before ordering.
- Small source note: Arizona already has other lapidary suppliers and clubs; Gunther is a specialized diamond-drilling maker with its own cart (not an Amazon reseller). Prior Nov 5 run had held this candidate partly for geography and a temporary collections 429; product and cart URLs returned 200 on this check.
- Not affiliated with Lapidary Plaza. No affiliate link is used. Nothing was bought, and no email, phone call or form was used.
FAQ
Q: What does Gunther Diamond Tools sell?
A: Water-cooled diamond core drill presses (including the TBH Pro 3), Multidrill water-swivel kits and sintered-style diamond core bits for lapidary, gemstone, glass and ceramic drilling, with Add to cart checkout.
Q: How much is the TBH Pro 3?
A: $2,870.10 on the check date, listed as available.
Q: Are smaller bits in stock?
A: Yes. Stock-size lapidary diamond core drill bits started at $36.90 with multiple sizes available on the check date.
Q: Where is Gunther based?
A: Contact lists PO Box 68307, Oro Valley, AZ 85737 and (520) 314-9809. About describes manufacturing in Idar-Oberstein, Germany.
Q: Is there a walk-in store?
A: The public Contact page prints a PO Box, phone and email — not a street retail counter.