Best Opal Loose Gemstones of 2025

John Zimmer Avatar
John Zimmer
Last Updated: 8 Feb 2025

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Opal loose gemstones are a popular choice for jewellery makers and collectors alike. These gemstones come in a variety of colours and patterns, making each one unique. Opals are known for their iridescent play of colour, which can range from bright flashes of rainbow hues to more subtle pastel shades. They are also valued for their durability and hardness, making them suitable for everyday wear. Whether you're looking to add a new piece to your jewellery collection or simply admire the beauty of these gemstones, opal loose gemstones are an excellent choice.

At a Glance: Our Top Picks

HARSHALI GEMS 3.5 Carat Black Fire Opal Cover #TOP 1
HARSHALI GEMS 3.5 Carat Black Fire Opal
ftb score rating icon 9.8
GEMHUB Natural Ethiopian Fire Opal Rough Stone Cover #TOP 2
GEMHUB Natural Ethiopian Fire Opal Rough Stone
ftb score rating icon 9.7
JAI GEMS Large Ethiopian Opals Raw Rough 15-20mm Cover #TOP 3
JAI GEMS Large Ethiopian Opals Raw Rough 15-20mm
ftb score rating icon 9.5

Top 10 Opal Loose Gemstones

#TOP 1

HARSHALI GEMS 3.5 Carat Black Fire Opal

HARSHALI GEMS
gemstone_12
Black
3.5 carats
HARSHALI GEMS 3.5 Carat Black Fire Opal Cover
HARSHALI GEMS 3.5 Carat Natural Fire Opal, H Color, 2.46 Carats, Loose Cut Gem, Original & Certified Lab Stone for Astrological Purpose

The HARSHALI GEMS Black Fire Opal is a premium-quality, natural gemstone weighing 3.5 carats. This AAA++ graded stone is certified by TDV, ensuring its authenticity and high quality for your jewellery projects. Its versatility allows you to use it for various purposes, including jewellery making and energy healing. With its powerful energy, this opal enhances creativity and boosts self-confidence, making it a great companion for meditation and spiritual practices. Its unique and stylish design adds elegance to any piece you create, suitable for both men and women.

What We Like
High-quality, certified gemstone
Versatile for multiple uses
Enhances creativity and confidence
Unique and stylish design
#TOP 2

GEMHUB Natural Ethiopian Fire Opal Rough Stone

GT-588
Multi Color
8.35 Ct.|22x10x8mm
GEMHUB Natural Ethiopian Fire Opal Rough Stone Cover
GEMHUB Natural Loose Opal Rough, Opal Rough Stone Raw Ethiopian Opal Rough Opal Opal Rough Gemstone, Natural Ethiopian Fire Opal Rough Wire Wrapping Loose Gemstone, 8.35 Ct.|22x10x8mm, Gemstone,

The GEMHUB Opal Rough Gemstone weighs 8.35 carats and measures 22 x 10 x 8 mm. Its small size makes it ideal for jewellery side pieces, allowing you to create unique and intricate designs. The opal's white colour with rainbow hues adds a touch of elegance and charm to your creations. Sourced from Ethiopia, this genuine Welo Fire Opal is untreated, ensuring the natural beauty of the stone is preserved. By choosing this gemstone, you embrace its astrological properties associated with love and passion, enhancing your emotional expression.

What We Like
Genuine Ethiopian opal
Small size for versatility
Natural colour, untreated
Beautiful rainbow hues
Astrological properties of love
#TOP 3

JAI GEMS Large Ethiopian Opals Raw Rough 15-20mm

JAI GEMS
OPAL-RAW12
multi-color
15-20mm
JAI GEMS Large Ethiopian Opals Raw Rough 15-20mm Cover
JAI GEMS 5 Pcs Of Big Size Ethiopian Opals Raw Rough 15-20Mm | Large Sizes Of Uncut Opals, 15-20mm, Crystal, Ethiopian Opal

The JAI GEMS Ethiopian Opals are impressive natural gemstones, measuring between 15 to 20mm. These big and thick opals are perfect for cabbing and faceting, allowing you to create stunning jewellery pieces. They are 100% untreated, ensuring that you receive authentic stones with their natural beauty intact. Sourced from ethical mines in Ethiopia, these opals have been cut and polished using the best practices, guaranteeing high-quality craftsmanship. You will appreciate the brilliant fire and captivating play of colours in each gemstone, making them a delightful addition to your collection.

What We Like
High-quality untreated gemstones
Ethically sourced from Ethiopia
Brilliant colours and fire
Ideal for cabbing and faceting
#TOP 4

Natural 2.00ct Australian Cabochon Opal Gemstone

SirDaksh
FS4364536R12
Natural 2.00ct Australian Cabochon Opal Gemstone Cover
NATURAL 2.00CT AUSTRALIAN GEMSTONE: Natural Australian Cabochon Opal Original Loose Gemstone

The SirDaksh Opal Gemstone is an exquisite natural Australian cabochon opal, ideal for addressing love and marriage-related issues. You will receive a Lab Certificate of Authenticity, ensuring you have a genuine product. This gemstone is certified by a reputable laboratory, giving you peace of mind about its quality. Additionally, it is a 100% natural and best-quality gemstone, making it a beautiful and meaningful addition to your collection.

What We Like
Authentic lab certification included
Natural and high-quality gemstone
Great for love-related issues
Reputable brand assurance
#TOP 5

DINJEWEL 10.25 Ratti Certified White Opal

DINJEWEL
Opal-496
White
DINJEWEL 10.25 Ratti Certified White Opal Cover
DINJEWEL 10.25 Ratti / 9.50 carat 100% Natural White Opal Stone Original Certified Australian Opal Stone Original Certified Natural Gemstone, 7.25 Ratti/8.50 Carat, Loose Gemstone, Fire Opal

The DINJEWEL White Opal is a stunning 10.25 Ratti certified natural white opal, perfect for those seeking an authentic gemstone for astrological purposes. This beautiful stone can be a great saviour during challenging times in your marital life, offering emotional support and harmony. The gemstone is certified by a reputable gem testing lab, ensuring its quality and authenticity. Additionally, DINJEWEL focuses on providing good quality at a budget-friendly price, allowing you to enjoy the benefits of a natural gemstone without breaking the bank.

What We Like
Natural and certified gemstone
Supports marital harmony
Quality within budget
Reputable certification
#TOP 6

Natural Australian 6.00ct Opal Gemstone

LMDPRAJAPATIS
FS43636R60
Silver
Natural Australian 6.00ct Opal Gemstone Cover
NATURAL 6.00CT AUSTRALIAN GEMSTONE: Natural Australian Cabochon Opal Original Loose Gemstone

The Australian Opal Gemstone is a certified, natural gemstone that promises high quality and authenticity. It is believed to provide mental stability and tranquillity, helping you to feel more centred and at peace. Additionally, this opal is said to enhance spiritual enlightenment, allowing for deeper insights and connections. It also offers protection against various dangers and is thought to bring prosperity and good fortune, especially for those affected by the negative influences of Planet Saturn.

What We Like
100% certified natural gemstone
Promotes mental stability
Enhances spiritual enlightenment
Offers protection against dangers
Supports wealth and prosperity
#TOP 7

RRVGEM 5.60 Carat Certified Opal Gemstone

RRVGEM
DHBFHD6GH
White
RRVGEM 5.60 Carat Certified Opal Gemstone Cover
RRVGEM 5.60 Carat 6.25 Ratti Opal Stone Certified Natural Fire Oval Shape AAA+ Super Quality Astrological Australian Opal Loose Gemstone for Man and Woman with Lab - Certificate, LOOSE GEMSTONE, Opal

The RRVGEM Opal Gemstone is a natural, certified Australian fire opal that boasts a stunning 5.60 carat weight. Wearing this stone in a silver ring on your index finger can enhance its astrological benefits, making it a thoughtful choice for those seeking to improve their spiritual well-being. This high-quality gemstone comes with a branded certificate, ensuring its authenticity. With its exclusive grade, this opal not only looks beautiful but also provides the wearer with confidence in their purchase.

What We Like
Natural certified gemstone
Astrological benefits
Branded certificate included
High-quality exclusive grade
#TOP 8

REAL-GEMS Natural Rough Yellow Opal Gemstones

CC-15
Yellow
REAL-GEMS Natural Rough Yellow Opal Gemstones Cover
REAL-GEMS Natural Rough Yellow Opal Loose Gemstone Lot Approx 100 Ct/9 Pcs Lot for Sale…

The REAL-GEMS Yellow Opal Lot features a stunning range of colours, making it an attractive choice for jewellery makers and collectors alike. Each unique gemstone has been expertly verified for quality, ensuring you receive top-grade materials for your projects. With an "Eye Clean" clarity grading, these stones enhance the beauty and texture of your jewellery creations. Additionally, they are believed to bring positive energy and calm emotions, making them perfect for those interested in crystal healing or decorative uses in your home or office.

What We Like
Unique and attractive gemstones
Expertly verified for quality
Enhances jewellery beauty
Positive energy and healing
#TOP 9

6x6MM Cushion Cabochon Ethiopian Black Opal

WWG-OPAL-LOOSE-6488
6x6MM
6x6MM Cushion Cabochon Ethiopian Black Opal Cover
6x6MM Ethiopian Black Opal,1Pcs Cabochon Rare Quality Ethiopian Black Opal,1Pcs CUSHION Cabochon Ethiopian Opal Cabochon Natural welo opal multi fire opal loose Gemstone for Jewelry Making

The Ethiopian Black Opal Cabochon is a stunning gemstone measuring 6x6MM, cut into a beautiful cushion shape. Its natural beauty is enhanced by a flat polished backside, making it perfect for jewellery making. The vivid colours, as seen in the pictures, can effortlessly elevate your outfits, whether you’re dressing up for a special occasion or adding flair to everyday wear. This gemstone is an exquisite choice for anyone looking to create unique jewellery pieces that showcase elegance and individuality.

What We Like
Rare and beautiful gemstone
Ideal for jewellery making
Elegant cushion shape
Flat polished backside
Vibrant colours
#TOP 10

32.50 Ct Natural Yellow Opal Gemstone

EQ-673
Yellow
32.50 Ct Natural Yellow Opal Gemstone Cover
32.50 Ct Natural Egl Certified Rock Rough Raw Yellow Opal Loose Gemstone for Jewelry Making

The GEMHUB Yellow Opal is a stunning natural gemstone weighing 32.50 carats, perfect for your jewellery making needs. Its rough shape adds a unique touch, allowing you to create one-of-a-kind pieces. With dimensions of 25 x 23 x 15 mm, it is sizeable enough to be a focal point in your designs. Please note that the product colour may vary slightly due to lighting or monitor settings, ensuring that each piece is unique to you.

What We Like
Large carat weight
Unique rough shape
Versatile for jewellery making
Distinctive colour variations
Buying Guide Image

Frequently Asked Questions (FAQs)

1. How much are loose opals worth?

Once categorized, opals are sold in price per carat, or weight. Because there are so many opal fields in Australia, there really is no singular form of opal. This means that opal costs can vary from about $10 per carat to approximately $6,000 per carat.

2. How valuable is an opal stone?

Australian opal's price ranges from $10 – 6,000 per carat, occasionally reaching $10,000 per carat in the case with exceptional black opals. Fire Mexican opals' price points range from $7 – 300 per carat. Ethiopian opals are also quite expensive.

3. What do you do with loose opals?

Loose opals can be used to make various types of jewelry or to decorate clothing and accessories. These mineral gemstones come in a variety of colors, shapes, and sizes. An opal can have a glossy to dull appearance and the color can change if the stone is being viewed from a different angles.

4. Do opals have any value?

Generally opals with a black or dark body tone are more valuable than those with a white, light, or crystal body tone, because a stone with a darker body tone tends to display colours more vibrantly. Above – AOGIA 1-9 body tone scale. Black opal is the most prized opal and may realise prices over AUD $15,000 a carat.

Editor's Notes

During our opal loose gemstone research, we found 59 opal loose gemstone products and shortlisted 10 quality products. We collected and analyzed 2,889 customer reviews through our big data system to write the opal loose gemstones list. We found that most customers choose opal loose gemstones with an average price of £20.02.

The opal loose gemstones are available for purchase. We have researched hundreds of brands and picked the top brands of opal loose gemstones, including HARSHALI GEMS, GEMHUB, JAI GEMS, SirDaksh, DINJEWEL.

Written by
John Zimmer Avatar

John Zimmer is a truly professional writer on findthisbest.com. He has specialized in writing content a wide variety of fields for over a decade. Since 2011, he has been using his expertise and extensive experience to write content for online shopping guide websites. In addition to writing for findthisbest.com, he has appeared in publications such as The Spruce, Wirecutter and Bestbuy.