Loose Gemstones
loose gemstones — pre-owned
Browse 27,031 loose gemstones — pre-owned on eBay — listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.
9 Pieces Of Raw Unpolished Emeralds
9 Pieces Of Raw Unpolished Emeralds
53ct Mixed Lot of Loose cut gemstones small setting
This product is a mixed lot of loose cut gemstones weighing a total of 53 carats. The gemstones come in a variety of colours and shapes, making them ideal for creating unique and personalised jewellery pieces. The gemstones are sourced from various locations, adding to their diversity and appeal. Whether you are a jeweller looking to add some sparkle to your creations or a gemstone enthusiast looking for a mix of colours and shapes, this lot offers plenty of options to explore and use in your projects.
Natural Round White Loose Diamond Approx. 0.6 - 0.7 CTW Loose Stone Estate Piece
Natural Round White Gemstone – Approx. 0.71 CTW Loose Stone. Carat Weight: 0.6 - 0.7 CTW. The stone features a classic round brilliant style cut, designed to enhance light reflection and overall appearance.
Australian Coober Pedy Round 7ct Opal-Nice Multicolor Flashes-Make Great Pendant
For sale is this beautiful round Coober Pedy opal. Measurements are 17mm round x 3.5 mm depth. This nice piece has super flashes of red, green, yellow, orange, blue, and even a hint of violet! I personally received this gemmy opal from friends in Australia who not only sell but mine most of their own material. I'll be posting more little treasures like this soon! I'm selling a bunch of nice opals from various areas such as Lightning Ridge, Coober Pedy, and Andamooka. Asking prices will be below what they are worth. There are family issues I'm helping with and these will come in handy just in time! Please feel free to contact me with any questions and thank you for looking!
Emerald Gemstones
I don't know much about them i inherited them. I didn't receive any paper work on them .
Natural Oval Polished Agate Gemstone Gray White Translucent Loose Stone
Natural Oval Polished Agate Gemstone Gray White Translucent Loose Stone
Oval White Opal Loose Gemstone with Opalescence and Multicolor Iridescence
Oval White Opal Loose Gemstone with Opalescence and Multicolor Iridescence
Deep Blue Montana Sapphire, 4.7mm, 0.46 carats
Deep Blue montana sapphire from rock creek montana. It is 4.7mm across and weighs 0.45 carats.
12 Loose .75ct Sapphire Oval Cut Gemstones
Lot of 12 Loose Blue Sapphire Gemstones – 9 Carat Total Weight Up for sale is a set of 12 oval-cut blue sapphires, each approximately 0.75 carats, for a total combined weight of ~9 carats. These stones feature a deep blue color and are perfect for: * Custom jewelry projects * Rings, pendants, or earrings * Resale or gemstone collections
ONE Natural Jalisco Opal vail 45 carats in 20 ml Glass Bottle
This product is a single 20 ml glass bottle filled with 45 carats of natural opal chips from mexico The gemstones are multicolored and polished, creating a unique and vibrant look. This product is ideal for jewelry makers looking to add a touch of natural beauty to their collection
Australian Coober Pedy White Opal, Multi Coloured, Uncut 65 Carats 13 grams
Coober Pedy, Uncut White Opal. 65 Carats. 13 Grams Beautiful Colours. needs to be viewed to be appreciated. Photos taken under incandescent light without any liquid to highlight. Would be a great gem for cutting or leave natural.65 Carats 13 grams.
10ml/5 carat vials of natural Mexican opal
These vials are perfect for jewelry makers and collectors looking to incorporate genuine, natural mexican opals into their possession . Only one vial included in sale, discounted prices x2 10 available. Wholesale prices message me . I throw in freebies !
Cornflower blue montana sapphire, 0.34 carats, 4.2mm
Cornflower blue montana sapphire from Rock creek montana. The stone is heat treated and has a very fine vivid blue color. The stone has an inclusion near the surface that gives the stone a unique purple flash.
Very Rare Old Stash Lander Blue Turquoise Oval Cab 6 Carats Backed GT-0103
Here is a Genuine Lander Blue Cabochon, 6 carats. This one is a 6 carat oval cab and is backed ready to go into a setting.
Over 100 Semi Precious Loose Stones From My Grandmother’s Estate Sale.
The gemstones are assorted in nature, with a bi-color/multicolor palette and excellent cut grade. These natural gemstones are being sold wholesale and have not been enhanced, making them a valuable addition to any jewelry or watch repair project.
Australian Opalized Wood Cabochon, 23mmx7mm, 10 Carats
Multicolor Flash Opalized Wood Cabochon Australian Origin 23x7x5mm 10 carats
Green And Lively Collection
Green And Lively Collection
Purple Tanzanite Pear Cut Transparent Loose Gemstone 1pc Pre-Owned USA
The product is a single pre-owned purple Tanzanite pear cut gemstone from the United States. This transparent gemstone is of high quality and has a beautiful purple color, making it a desirable choice for jewelry and gemstone enthusiasts. Its unique pear shape adds a touch of elegance and sophistication to any piece of jewelry it is used in.
Cornflower blue montana sapphire, 0.28 carats, 4.5x3.5mm
Cornflower blue montana sapphire from rock creek montana. The stone is heat treated and has a great color ranging from light blue, to a deep cornflower blue. The stone is 100% eye clean, weighs 0.28 carats, and is 4.5x3.5mm.
Blue Topaz Oval Cut Loose Gemstone 8.97ct 14.4x10.4mm BTOP-0072
Blue Topaz Oval Cut Loose Gemstone 8.97ct 14.4x10.4mm BTOP-0072
agate
This product is a unique polished agate gemstone with natural brown, red, and white colors, sourced from the United States. The gemstone is opaque and has a freeform shape, measuring approximately 35mm in length and 18mm in width. This one-of-a-kind piece would make a beautiful addition to any jewelry or watch collection, showcasing the natural beauty of the gemstone in its unenhanced state.
1.65 carat natural blueish green tourmaline loose gem origin afghanistan
1.65 carat natural blueish green tourmaline loose gem origin afghanistan
Deep Blue Montana Sapphire, 0.39cts, 5.3x3.9mm
Deep Blue sapphire from rock creek montana. The stone is heat treated and has color tones ranging from light blue, to deep royal blue.
Teal blue montana sapphire, 0.35 carats, 4.9x3.7mm
Teal Bkue sapphire from rock creek Montana. The stone is heat treated and ranges from Teal blue to Teal green. It weighs 0.35 carats and is 4.8x3.7mm. The stone is 100% eye clean.
Assorted Gemstones Oval Cut Loose Multicolor Set of 3 Faceted Mixed Colors
Assorted Gemstones Oval Cut Loose Multicolor Set of 3 Faceted Mixed Colors
Assorted Cut Gemstones Set of 3 Yellow Red Purple Pear Oval Transparent
Assorted Cut Gemstones Set of 3 Yellow Red Purple Pear Oval Transparent
Natural Green Tourmaline 4.550 Ct – Unheated | Afghanistan Origin | Elegant Long
Gemstone: Natural Tourmaline. Origin: Afghanistan. Clarity: Eye-clean to slightly included (typical for natural tourmaline). Color: Rich green with fresh natural tone. Note: Color may appear slightly different under various lighting conditions; natural inclusions may be present.
Green Montana Sapphire, 0.45cts, 5.3x3.8mm
Green sapphire from rock creek montana. The sapphire us heat treated and is 100%eye clean.
Loose Intaglio Stone
loose intaglio stone, small chip in the back of the stone. The stone depicts a man size 29x21mm and 8mm thick Stone is either carnelian or chalcedony
3.9ct Natural Australian Opal Loose Solid Gem Greens/Blues from Lightning Ridge
Excellent color play in this crystaly green stunner. A lot of varied color play depending on lighting, predominantly green and blue. This is an opal I cut from rough I purchased directly from miners in Australia. It isn't perfectly calibrated, so consider it a free form unless recut, but can be set as is. Any questions or additional pictures, let me know!
1.83ct Natural Rhodolite Garnet purpleish Pink Loose Gemstone untreated
This 1.83ct Natural Rhodolite Garnet is a stunning loose gemstone with a beautiful purpleish pink colour. The gemstone is transparent and has an excellent cut grade, making it a perfect choice for jewellery or watches. It is a single piece of cut octagon shape, originating from Tanzania, United Republic of. Being a wholesale item, it offers great value for those looking to add a unique and natural gemstone to their collection.
Deer Creek Fire Agate High Quality Cabochon High Quality Oval Shape Loose Stone
The Deer Creek Fire Agate high-quality cabochon loose stone is a stunning polished oval shape gemstone with a fiery iridescence. This natural gemstone is sourced from Mexico and is not enhanced, making it a unique and authentic piece. With excellent cut grade and opaque transparency, this fire agate stone is perfect for jewelry and watchmaking projects that require a high-quality, natural gemstone with a beautiful color and shape.
Steel blue montana sapphire, 0.28 carats, 4mm
Steel blue montana sapphire from rock creek montana. The stone is heat treated and is 100% eye clean. It weighs 0.28 carats and is 4mm wide. It was mined and cut in the USA.
Golden yellow montana sapphire, 0.31 carats, 5x3.5mm
Golden yellow montana sapphire from rock creek montana. The stone is heat treated and is 100% eye clean. It weighs 0.31 carats and is 5x3.5mm.
Cornflower blue montana sapphire, 0.6 carats, 5.8x4.2mm
Cornflower blue sapphire from rock creek montana. This stone is heat treated and has an amazing even cornflower blue color. It weighs 0.6 carats and is 5.8x4.2mm. It is nearly eye clean with only a tiny fracture in the stone.
Natural Emerald Pair 2.265 Ct – Unheated & Untreated | Afghanistan Origin |
Origin: Afghanistan. Total Weight: 2.265 Carats (Pair). Shape: Oval / Cushion Mixed Cut (Matching Pair). Matching: Well-matched pair in size, color, and cut. Ideal For: Earrings, rings, or custom jewelry pair settings.
Natural Emerald Cut Genuine Zambian Emerald. Loose CT Stone Gemstone
This product is a genuine 1.5 ct Zambian emerald with an emerald cut, featuring a beautiful green color with a translucent clarity. The gemstone is natural, never treated.
Green Round Cut emerald Loose Single Green Emerald Type
The product is a loose, single green emerald with a round cut. This gemstone is transparent and has one piece. It is classified as a green gemstone, making it a valuable addition to any jewelry or watch collection. With its vibrant green color and well-crafted cut shape, this emerald is sure to add a touch of elegance and sophistication to any piece of jewelry.
Lightning Ridge Solid Black Opal - 2.5 ct - Oval Shape - Striking Color Flashes!
For sale is this beautiful 2.5 ct solid black Lightning Ridge opal. This is not a doublet or triplet. Just a quick note that only N1 through N4 are considered black opals. (Photos of those guides that I reference are included).
Benitoite 0.25 CT Parcels, Dallas Gem mine, California
The deposit is comprised of natrolite veins cutting a glaucophane schist inclusion in a serpentinite body. The deposit has been worked on and off over the years, all of the original vein has been mined out and any recent production has been from the alluvial material below.