Best Gem Loose Diamonds of 2026

John Zimmer Avatar
John Zimmer
Last Updated: 10 Feb 2026

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Gem Loose Diamonds are high-quality, certified diamonds that are perfect for those looking to create custom jewellery pieces or for investment purposes. These diamonds come in a variety of shapes, sizes, and colours, and are sourced from reputable suppliers. Each diamond is graded by an independent gemological laboratory to ensure its authenticity and quality. Whether you are looking for a classic round diamond or a unique fancy shape, Gem Loose Diamonds offer a wide range of options to suit your needs.

At a Glance: Our Top Picks

PH PandaHall 300pcs 6 Colors Cubic Zirconia Stone Cover #TOP 1
PH PandaHall 300pcs 6 Colors Cubic Zirconia Stone
ftb score rating icon 9.8
Sidharth Gems 10.25 Ratti Zircon Gemstone Cover #TOP 2
Sidharth Gems 10.25 Ratti Zircon Gemstone
ftb score rating icon 9.7
Natural 5pcs Large Labradorite Gemstones Cabochons Cover #TOP 3
Natural 5pcs Large Labradorite Gemstones Cabochons
ftb score rating icon 9.5

Top 10 Gem Loose Diamonds

#TOP 1

PH PandaHall 300pcs 6 Colors Cubic Zirconia Stone

ZIRC-PH0001-43A-01-EU
PH PandaHall 300pcs 6 Colors Cubic Zirconia Stone Cover
PH PandaHall 300pcs 6 Colors Cubic Zirconia Stone, 2mm Grade A Faceted CZ Diamante Rhinestone Gems Small Zirconia Gems Cabochons Loose Stones for Ring Earring Bracelet Nail Art DIY Jewellery Making

Features
6 Colors CZ Stones : Package Includes 300pcs Diamond Cubic Zirconia Cabochons In 6 Colors--Yellow, Clear, Pink, Red, Purple And Apricot Color; Each Color 50pcs. Size: 2mm In Diameter. All CZ Stones Are Packed In A Clear Plastic Container Box For Easy Storage.
High Quality Material: The Bling Loose Stones Are Made Of Quality Cubic Zirconia And Multi-Faceted Sides, Grade A Quality, Smooth To Use And Clean, Multi-Faceted Cut And Nice Transparency, Can Be Glued To Many Surface Including Fabric, Plastic And Metal.
Wide Applications: CZ Zirconia Gems Can Be Used For Making Finger Rings, Earring, Bracelet, Necklace, Ring, Headwear, Jewellery, Pendants, Shoes, Wedding Dress, Books, DIY Craft Making, Card Crafting And Phone, Hair Clip, Nail Art, Clothe Decorations.
Diamond Design: Cubic Zirconia Design To Hit The Facets That Send Flashing Light In All Directions As You Move; These Crystal Beads Bring A Shimmering Look And Add Even More Inspiration And Beauty To Your Arts And Crafts, Add More Charms For Your Jewellery Making.
Bling Cabochons: These Beautiful Multi-Faceted Stone Gems Feature With The Shape Of Diamond And Pointed Back, Can Match Well With Other Accessories For DIY Crafts, Can Bring You Elegant And Charming Feeling.

Sidharth Gems 10.25 Ratti Zircon Gemstone

SIDHARTH GEMS
isds_kj27
White
Sidharth Gems 10.25 Ratti Zircon Gemstone Cover
Sidharth Gems 10.25 Ratti / 9.50 Carat Zircon Gemstone Original Certified American Diamond Stone Lab Tested, Loose Gemstone, Cubic Zirconia, Loose Gemstone, Cubic Zirconia

The Sidharth Gems Zircon Gemstone weighs 8.50 ratti and features a standard exclusive quality grade. This gemstone is ideal for various age groups, with recommendations of 2-2.5 ratti for children and 5-15 ratti for adults. It comes with a certification from a reputable laboratory, ensuring authenticity. You can wear this rare and precious gem on a designated day to harness its benefits. By consulting an astrologer, you can select the perfect size for your needs.

What We Like
High-quality zircon gemstone
Authenticity certification included
Age-appropriate weight recommendations
Wearable as ring or pendant
Enhances personal energy on specific days
#TOP 3

Natural 5pcs Large Labradorite Gemstones Cabochons

Gemkora
Natural 5pcs Large Labradorite Gemstones Cabochons Cover
Natural [30mm+] 5pcs Large Labradorite Gemstones Cabochons, Jewelry Making Loose Gemstone, Polished Gems, DIY, Wire Wrapping, Reiki, Wikka, Healing Crystals, Bulk Gemstone Deal [225+cts]

Features
HEALING CRYSTALS
NATURAL GEMSTONES
POSITIVITY STONE
CHAKRA STONES
A BRILLIANT SELECTION FOR YOU

CHINALUSTER Moissanite Loose Diamonds for Jewelry

CHINALUSTER
WRM001
White
CHINALUSTER Moissanite Loose Diamonds for Jewelry Cover
Moissanite Stone 0.5CT to 3CT White D Color VVS1 Clarity Moissanite Loose Diamonds 3Excellent Round Cut Loose Gemstone for Jewelry Making, Ring Necklace Earrings with GRA (D Color, Round, 1ct)

CHINALUSTER Moissanite Diamonds are exquisite gemstones that offer top-grade quality with a D colour and VVS1 clarity, ensuring a mostly flawless appearance. Their round brilliant cut enhances their sparkle, making them perfect for creating stunning jewellery pieces. You can easily use them for various accessories, including engagement rings and necklaces. With excellent cutting and polish, these moissanite stones shine even brighter than diamonds, providing you with exceptional brilliance in your creations.

What We Like
High-quality, sparkly moissanite
Perfect for custom jewellery
Excellent cut and polish
GRA certified for authenticity
#TOP 5

Gems For Jewels Multi Colored Rough Diamond Loose 3-4mm Mix Color Raw Uncut Diamonds

Gems For Jewels
PDD702
3-4mm Approx.
Gems For Jewels Multi Colored Rough Diamond Loose 3-4mm Mix Color Raw Uncut Diamonds Cover
Gems For Jewels Multi Colored Rough Diamond Loose 3-4mm Mix Color Raw Uncut Diamonds, Yellow, Red, Brown, White, Grey Rough Diamond for Jewelry - PDD702

Features
GemsForJewels Multi / Mix Colorediam Rough Diamonds Loose Gemstones Exhibit Exquisite Hues And Natural Variations, Adding A Touch Of Elegance To Any Jewelry Piece Or Collection.
Gemstone : Diamond; Color : Multi Color (Grey, White, Yellow, Red, Brown); 3-4mm Approx.
Measurements And Weight Are Close To Approximations. Due To The Difference In Computer Monitors, Actual Colors May Slightly Vary. Also All Pictures Have Been Magnified To Show Details.
Gems For Jewels, A Premier Destination For Semi-Precious Gemstones, Precious Stones, Rough Diamonds, And High-Quality Jewelry Supplies. Our Store Offers A Stunning Collection Of Hand-Selected Gems And Meticulously Crafted Pieces Designed To Captivate And Enchant. We Are Your One-Stop Shop For All Your Gemstone And Jewelry Needs.
3-4mm Approx., Multi Color (Grey, White, Yellow, Red, Brown), Diamond

RRVGEM 2.00 Carat Certified Natural Zircon

RRVGEM
FDYTF542L
White
RRVGEM 2.00 Carat Certified Natural Zircon Cover
RRVGEM 2.00 Carat Beautiful Round Shape Original Certified Natural Cubic White Zircon/American White Diamond Stone Loose Gemstone For men and Women, Loose Gemstone, Cubic Zirconia

The RRVGEM Natural Zircon is a stunning 2.00 carat gemstone suitable for both men and women. It is recommended that you consult an astrologer for the ideal ratti weight based on age, ensuring you choose the right size for optimal benefits. This exquisite zircon stone is certified from a reputable laboratory, giving you peace of mind about its authenticity. Additionally, the product's colour may vary slightly due to lighting or monitor settings, so you can expect a unique gem tailored to your preferences.

What We Like
Certified authenticity guarantee
Age-appropriate ratti recommendations
Beautiful round shape
Versatile for men and women
#TOP 7

Gems For Jewels Women's 2-2.5mm Sparkling Gray Rough Diamond

Gems For Jewels
VICP310B-2Ct
Sparkling Gray
2-2.5 mm, 2 CTS
Gems For Jewels Women's 2-2.5mm Sparkling Gray Rough Diamond Cover
Gems For Jewels Women's 2-2.5mm Sparkling Gray Rough Diamond, Gray Raw Diamond, Uncut Diamond, Gray Diamond, Loose Diamonds For Jewelry (1ct To 100 Ct Options), 2-2.5 mm, 2 CTS

Features
GemsForJewels Rough African Diamond (Conflict Free) Gemstones Exhibit Exquisite Hues And Natural Variations, Adding A Touch Of Elegance To Any Jewelry Piece Or Collection.
Gemstone : Rough African Diamond; Color : Sparkling Gray; Size (mm) : 2-2.5 Mm
YOU CAN CERTIFY THE DIAMOND/GEMS BY USING THIS LINK: Https://www.amazon.co.uk/dp/B0CG5WJVHQ
Measurements And Weight Are Close To Approximations. Due To The Difference In Computer Monitors, Actual Colors May Slightly Vary. Also All Pictures Have Been Magnified To Show Details.
Gems For Jewels, A Premier Destination For Semi-Precious Gemstones, Precious Stones, Rough Diamonds, And High-Quality Jewelry Supplies. Our Store Offers A Stunning Collection Of Hand-Selected Gems And Meticulously Crafted Pieces Designed To Captivate And Enchant. We Are Your One-Stop Shop For All Your Gemstone And Jewelry Needs.
2-2.5 Mm, 2 CTS Sparkling Gray, Diamond Gemstone's Unique Color And Dazzling Appearance Make It An Exceptional Choice For Distinctive Jewelry Creations.
#TOP 8

Star Fire Moissanite Loose Gemstones Marquise Cut | Gem Stones

LMMR015030
White
5.5x11mm 1.50-carat
Star Fire Moissanite Loose Gemstones Marquise Cut | Gem Stones Cover
Star Fire Moissanite Loose Gemstones Marquise Cut | Gem Stones for Jewelry Making w/D/VVS1 Color Clarity | Ideal for Pendant, Ring & Stud Earring | Certificate of Authenticity Included | 0.05-3 Carat,

Features
CERTIFIED AUTHENTICITY & PRECISE SIZING – Each Star Fire Moissanite Stone Includes A Certificate Of Authenticity, Verifying Its Quality And Origin. Stones Measuring 4mm And Above Feature A Laser-Inscribed Serial Number On The Girdle For Added Security. Available In Multiple Sizes, These Gems Are Ideal For Creating Custom Jewelry Pieces. A Premium Protective Box Is Included To Keep Your Gemstone Secure.
EXCEPTIONAL BRILLIANCE & FIRE – Star Fire Certified Marquise Cut Moissanite Gemstone Offers An Unmatched Sparkle That Rivals Natural Diamonds. The Elongated Marquise Shape Enhances Light Reflection, Creating A Stunning Visual Effect. With Superior D/VVS1 Color Clarity, This Gemstone Is A Perfect Choice For Crafting Exquisite Rings, Pendants, And Earrings That Capture Timeless Elegance.
TRUSTED BRAND & UNMATCHED VALUE – Star Fire Moissanite Is A Leader In Lab-Created Gemstones, Offering A Luxurious Yet Ethical Alternative To Mined Diamonds. Each Gemstone Undergoes Rigorous Quality Checks And Certification To Guarantee Excellence. Known For Its Brilliance And Durability, Star Fire Provides Customers With A Reliable, High-Quality Moissanite Selection At An Incredible Value.
SUPERIOR DURABILITY & SHINE – Star Fire Moissanite Boasts A Remarkable Hardness Of 9.25, Making It One Of The Toughest Gemstones Available. Unlike Other Stones, It Resists Scratches And Maintains Its Brilliance Over Time. Featuring Superior Optical Properties, Moissanite Exhibits More Fire And Brilliance Than Natural Diamonds. Each Gem Is Precisely Cut For Maximum Symmetry And Polish, Ensuring Exceptional Radiance.
EASY TO SET & LONG-LASTING BEAUTY – Designed For Effortless Jewelry Making, Star Fire Moissanite Gemstones Can Be Securely Placed Into Any Setting For Rings, Earrings, Or Pendants. Their Durability Allows For Everyday Wear Without Fading Or Clouding. Simple Maintenance With Mild Soap And Warm Water Keeps The Gemstone Looking As Radiant As The Day It Was Set, Ensuring Lasting Elegance.

JINGANGZUO 15 Colour Square CZ Stones

JINGANGZUO
Mix 15 Colors
5x5mm 30pcs
JINGANGZUO 15 Colour Square CZ Stones Cover
JINGANGZUO Square Princess Cut Shape Cubic Zirconia Synthetic Gemstone Mix 15 Colors 5A Loose CZ Stone for Jewelry Making, 5x5mm 30pcs, Cubic Zirconia, cubic zirconia

The JINGANGZUO CZ Stones feature a stunning mix of 15 colours, with 30 pieces of square princess cut cubic zirconia stones measuring approximately 5x5mm. This variety allows you to create beautiful and unique jewellery pieces, enhancing your crafting experience. With a temperature resistance of 600 to 700 degrees Celsius, these stones are durable and reliable for various applications. You can use them to make earrings, bracelets, necklaces, rings, and more, making them perfect for both personal projects and gifts.

What We Like
Wide range of colours
Durable temperature resistance
Versatile for multiple crafts
High-quality cubic zirconia
Ideal for DIY jewellery making

Ximimark 15Pcs Oval Red Ruby Gemstones

NE846
Ximimark 15Pcs Oval Red Ruby Gemstones Cover
Ximimark 10Pcs Oval Shape Cut Red Mozambique Loose Gemstone 7x5mm

The Ximimark Red Ruby Gemstones feature a stunning oval cut, enhanced by advanced grinding and polishing techniques. This natural gemstone is perfect for creating exquisite jewellery, such as rings, necklaces, and bracelets, allowing you to craft unique pieces. Since these rubies are not man-made, you can enjoy their genuine beauty. However, be aware that the actual colours may vary slightly due to different monitor settings and lighting. It's advisable to check the size before making your purchase to ensure it meets your needs.

What We Like
Natural gemstones, not synthetic
Perfect for custom jewellery making
Advanced cutting and polishing
Variety of jewellery applications
Buying Guide Image

Frequently Asked Questions (FAQs)

1. Are loose gems a good investment?

Precious gemstones are a very attractive investment option if one is a connoisseur or are an aesthete with a taste for finer things. It appears to be the best option especially when tremors in any of the areas - fluctuating value of dollar, Real estate, Precious metals, Bonds and mutual funds - gives you the jitters.

2. What gem looks like diamond but is cheaper?

Moissanites or white sapphires are most comparable to a diamond. While there are visible differences, these gems will look the closest to a diamond while offering a more affordable price.

3. What is the rarest 2021 gemstone?

Painite : Not just the rarest gemstone, but also the rarest mineral on earth, Painite holds the Guinness World Record for it. After its discovery in the year 1951, there existed only 2 specimens of Painite for the next many decades.

4. Are gems cheaper than diamonds?

Gemstones are more affordable. Because diamonds are considered the most precious and rare, all other gemstones are more affordable per carat. Besides their beauty and unique look, gemstones make a great alternative to a diamond engagement ring for those on a budget.

Editor's Notes

During our gem loose diamond research, we found 306 gem loose diamond products and shortlisted 10 quality products. We collected and analyzed 5,410 customer reviews through our big data system to write the gem loose diamonds list. We found that most customers choose gem loose diamonds with an average price of £20.00.

The gem loose diamonds are available for purchase. We have researched hundreds of brands and picked the top brands of gem loose diamonds, including PH PandaHall, SIDHARTH GEMS, Gemkora, CHINALUSTER, Gems For Jewels.

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.