The Hileman Collection

09/24/2026

Ever wondered what's going on inside Australian Opal to produce all the amazing colors? It's actually not magical dancing unicorns but a unique arrangement of microscopic silica spheres diffracting light as it enters the stone. Here's a deep dive into the physics if you want to learn more or you can stick with the dancing unicorns. Either way it's a pretty amazing gemstone.

https://thehilemancollection.com/blogs/opal-jewelry-information/what-makes-australian-opal-colorful

07/22/2026

Recently completed:
Beautiful Australian opal and London blue topaz wedding ring set for a very special customer. The opal pieces were all cut from the same rough stone to achieve the closest possible match for color and pattern. Thank you, Kip, for entrusting us with your special project!

08/07/2025

Do you have your jewelry insured? Here are a few reasons insuring your opal jewelry might be a smart move- especially for repairs.
https://thehilemancollection.com/blogs/opal-jewelry-information/should-you-insure-your-opal-inlay-ring-heres-why-its-smart

07/11/2025

We need your help! When we moved our studio to a new location our business was reported to Google as permanently closed. The only option given to us was to start a new Google business profile. Unfortunately, we lost all our posted reviews so we need your help rebuilding our five star rating. Just click on the link below and leave your review. Thanks in advance!

https://g.page/r/CeIIYe8mZzBmEAI/review

07/03/2025

We get a lot of questions about Ethiopian opal and Mexican fire opal. Here are some key differences between them and the Australian crystal opal we use in our jewelry.


https://thehilemancollection.com/blogs/news/australian-crystal-opal-vs-ethiopian-opal-vs-mexican-fire-opal-why-it-matters-for-your-jewelry

07/02/2025

Curious about the pros and cons of the three main types of Australian opal? Our ultimate guide to Australian opals explains the differences in black opal, crystal opal and boulder opal.
https://thehilemancollection.com/blogs/news/the-ultimate-guide-to-australian-opals-black-crystal-and-boulder

07/01/2025

One of our favorite Australian opal pendant designs! Showcases some outstanding Australian crystal opal with diamond accents.
https://thehilemancollection.com/collections/australian-opal-pendants/products/australian-opal-inlay-pendant-with-diamonds-set-in-14k-gold

The Hileman Collection features Australian opal jewelry designs by Mark Hileman. Our handmade opal inlay jewelry designs include Australian opal rings, wedding rings, pendants, bracelets, earrings and necklaces in 14-karat gold.

06/27/2025

Opal inlay jewelry requires some special care to keep it looking great. Here are some expert tips for caring for your opal inlay jewelry.

https://thehilemancollection.com/blogs/news/how-to-care-for-opal-inlay-jewelry-expert-tips-from-the-hileman-collection

08/04/2023

Special order ring for Environmental Realists in Sedona. Swiss blue topaz with Kingman birdseye turquoise and Australian opal inlaid in 14k gold.