For bench jewelers, lapidary artists, and appraisers, understanding the physical limits of your material is critical for setting and retail documentation.

  • Species: Hydrated Silica
  • Chemical Classification: Mineraloid (Amorphous Silica)
  • Optic Character: Amorphous
  • Mohs Hardness: 5.5 – 6.5 (Requires protective settings like bezels or halos)
  • Transparency: Varies from highly transparent (Crystal Opal) to completely opaque (Matrix/Common Opal)
  • Luster: Vitreous, subvitreous, waxy, resinous, or pearly
  • Luminescence: Variable under UV light (Some stones exhibit strong green, white, or orangey fluorescence; many remain inert)
  • Common Inclusions: Potch (common opal lacking play-of-color), natural sand grains, ironstone host rock, or minor internal crazing. (Note: Synthetic or lab-created opals will often display a distinct columnar or "lizard-skin" pattern under loupe magnification)

By establishing direct relationships with miners, we ensure ethical practices and respect for both the workforce and the environment.

We currently process and offer material from the world's most prominent opal-producing regions, including, but not limited to:

  • Australia: The traditional benchmark for high-end opals. We source rough from Lightning Ridge, Coober Pedy, and the boulder opal fields of Queensland.
  • Ethiopia: The Welo province produces exceptional hydrophane opal stones for sale with bright, neon flashes of color. This region has helped the modern opal market, offering high brilliance at competitive price points.
  • Mexico: Known for its distinct fire opals, mined primarily in the state of Querétaro.

Our inventory of natural opal for sale covers everything from traditional precious gems to specialty carving materials.

  • Precious Opals: This category includes highly sought-after Black Opal, Ethiopian Opal, White Opal, and Fire Opal. These are the classic stones displaying distinct play-of-color or intense transparency.
  • Common and Regional Opals: These stones typically lack play-of-color but offer stunning solid hues and interesting patterns. We stock Pink Opal, Blue Opal, Morado Opal, Green Prase Opal, and Dendritic Opal. We also carry matrix options like Cantera Opal and Howardite Opal, where the gem is embedded naturally in its host rock.
  • Composite and Lab Alternatives: We supply budget-friendly, highly durable design alternatives. This includes Aurora Opal, Monarch Opal, Gilson Opal, Sterling Opal, and Opalite. These materials are highly consistent and excellent for repetitive manufacturing by small jewelry brands.

The opal gemstone cost per carat is dictated by origin, background darkness, rarity of the pattern, and fire intensity. We carry a massive variety of sub-types to fit any collection budget:

  • Precious & Play-of-Color Opals: This tier represents the highest value in gem-weight stones.
    Australian Black Opals sit at the absolute top of the market ($1,000 – $15,000+ per carat), followed by exceptionally bright Crystal Opals ($100 – $1,500 per carat) and warm-toned Mexican Fire Opals ($50 – $500 per carat).
    For high-volume production, Ethiopian Welo ($20 – $500+ per carat) and classic White Opals ($10 – $200 per carat) provide highly accessible entry points for jewelry manufacturers.
  • Matrix & Host Rock Opals: These stones are cut with the natural host rock intact, offering an excellent foundation for custom studios focused on raw, organic designs.

    Premium Australian Boulder Opals command the highest rates in this category ($50 – $3,000+ per carat), while standard Matrix Opals ($10 – $300 per carat) and Opalized Wood ($10 – $100 per carat) offer more budget-friendly rustic options.
  • Solid Color & Patterned Opals: Cut primarily as solid cabochons, these opaque, structurally stable varieties look striking in heavy silver bezels and are perfect for accessible retail price points. 

Typical rates scale gently from Blue Opals ($5 – $50 per carat) and Green Opals ($2 – $30 per carat) down to Yellow ($2 – $20 per carat) and Peruvian Pink Opals ($1 – $25 per carat).

  • Lab-Created & Composite Alternatives: Budget-friendly, manufactured components including Gilson and other synthetic opals ($5 – $50 per carat). They offer exact visual consistency at a fraction of the cost of mined stones.

Because we process our opal gemstones for sale directly in Jaipur, we bypass broker fees and pass those direct-from-source margins to your business.

  • Bulk Parcels and Natural Variance: Natural variation is inevitable when you buy opal in volume. While we tightly grade our wholesale lots, we recommend ordering a 10% overage to guarantee perfect matches for earrings and multi-stone sets.
  • Transparency and Gemological Certification: We evaluate all loose opals for sale under daylight LEDs, actively rejecting stones with crazing (drying cracks). We guarantee 100% treatment disclosure on every listing. If your retail clients require formal documentation, we can provide a certified opal gemstone backed by independent lab reports (such as GIA or IGI). 
  • Procurement & Listing Data: Our product pages provide the data required to justify your margins, including:
  1. High-resolution photos showing the peak fire
  2. Clear origin and hydrophane notes (especially for Ethiopian Welo)
  3. Exact millimeter dimensions and carat weights
  4. Treatment and synthesis disclosures
  • Accelerated US Delivery: Your deadlines are non-negotiable. Our opal gemstones for sale are accurately graded and ready to ship. For our US manufacturing clients, we use fully insured, trackable, and accelerated logistics.
  • Stress-Free Customs Clearance: Our team manages the customs and duty paperwork so your wholesale parcels clear without delays. Partner with Gemstones for Sale for predictable pricing, stable material, and reliable delivery.
  • Ready-to-Ship Inventory: Processing rough material directly at our Jaipur facility protects your retail margins. If you need to buy opal gemstone online, our direct pipeline eliminates supply chain delays. 
  • Maximized Finished Yields: Backed by 26 years of export expertise, we supply calibrated cabochons, faceted cuts, doublets, and matched pairs. Every lot is strictly graded for fire intensity and stability to minimize your bench loss and maximize finished yields. 

Gemstones for Sale is the best place to buy opals online because we offer fast, fully insured US shipping and handle all customs clearance door-to-door.

1237 products

All About Opal Gemstones

What is the wholesale price of opal per carat for jewelry makers?

Wholesale opal pricing ranges from $20-$80/ct for commercial Ethiopian Welo, $150-$600/ct for solid Australian crystal opal, and $1,000+/ct for top-grade black opal. At Gemstones For Sale, single-stone buyers get the same per-carat pricing as bulk parcels - no minimums.

How do I identify real opal vs. fake or doublet opal?

Genuine opal shows random, multi-directional play-of-color that shifts with viewing angle; doublets and triplets reveal a flat dark backing line when viewed from the side. Always request a lab certificate (IGI, GIA, GRS) for stones above $300 to confirm solid construction.

Where can jewelry makers buy certified loose opal online with treatment disclosure?

Direct-from-Jaipur suppliers like Gemstones For Sale offer certified loose opal with smoke/sugar/polymer treatment disclosure, play-of-color matching for paired earrings, and lab certificates on request. Single stones ship at the same B2B price as bulk parcels.

Which opal type is best for jewelry brands selling everyday rings?

Solid Australian boulder and crystal opal are the most durable for daily-wear rings (Mohs 5.5-6.5). Welo opal works best for pendants and earrings - disclose hydrophane care notes to retail customers to reduce returns.

How do I check opal quality before placing an order?

Check four things: body tone (N1 black to N9 white), play-of-color brightness (1–5 scale), pattern type (broad flash, harlequin, pinfire), and treatment status. Reputable suppliers send hi-res video and certification before payment.