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Loose Stones: Jewelry For Sale

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**Montana Sapphire – 2.9 Carat Pale Blue Unheated Cabochon** This natural **Montana sapphire** weighs 2.9 carats and features a soft, pale blue color that highlights the stone’s organic beauty and subtle elegance. Cut as a smooth cabochon with a high-polish finish, this gemstone displays a gentle glow and natural translucency that enhances its character. Sourced directly from the mine in Montana, USA, this sapphire is **unheated and untreated**, preserving its completely natural state. The presence of natural inclusions further confirms its authenticity and makes each stone truly one-of-a-kind, ideal for collectors and custom jewelry. By sourcing the rough material directly from the mine and cutting each stone in-house, this allows for **wholesale pricing without sacrificing quality**, offering exceptional value on a genuine, natural Montana sapphire. Montana sapphires are highly sought after for their ethical sourcing, American origin, and unique range of colors. Their softer, earthy tones are especially prized among collectors and designers seeking something distinct from traditional commercial sapphires. Sapphire is one of the most valuable gemstones in the world, second only to diamond in hardness (9 on the Mohs scale). Its combination of durability, rarity, and natural beauty makes high-quality sapphire increasingly desirable. Fine sapphires form over millions of years under specific geological conditions, making well-colored, untreated stones particularly rare and valuable. This 2.9 carat cabochon is perfect for collectors, jewelers, or anyone seeking a natural, untreated gemstone with authenticity, character, and direct-from-source value. ---
Loose Stones
March 21, 2026
$85
Rare Untreated Montana Rose Cut Sapphire - 4+ Carats, Color-Shifting Glow Experience the magic of this hand-cut, untreated Montana blue and yellow sapphire, fashioned into a stunning rose cut straight from the mine. Over 4 carats with a captivating moonstone-like glow that dances with light. Unique Optical Effects Tilt by axis: Shifts from cool blue to warm yellow. Interference rainbows add ethereal fire. Rose cut facets amplify vintage sparkle and depth. Why Sapphires Are So Rare and Valuable Sapphires demand rarity from their corundum origins—only specific global deposits (like Montana's alluvial gravels) yield untreated gems with pure, vibrant color. Natural color-change and interference effects like this are exceptionally scarce, formed over millions of years under precise geological pressures. No heat or treatments means unmatched authenticity; top untreated Montana sapphires rival fine rubies in collector value. I sourced the rough myself and meticulously cut this rose cut sapphire, preserving its wild character. Perfect for collectors, jewelers, or statement jewelry. Minor natural inclusions enhance authenticity
Colored Gemstone
March 20, 2026
$150
Details: • Origin: Volyn deposit, Ukraine • Weight: 50 ct • Size: 29.5 × 15.5 × 12.2 mm • Cut: Baguette / Step Cut Worldwide shipping Payment method: Bank transfer, PayPal, Wise
Loose Stones
March 20, 2026
$900
2.66 ct Fancy Vivid Pink Marquise lab Grown Diamond! 1200 obo Clarity: vs2 Symmetry: Very Good Polish: Strong Flourescence: Strong Price: 1200 obo Pay thru cashapp Phone Number 440-855-9366
Diamond
March 19, 2026
$1,200
Natural green beryl from the Volyn deposit features a bold trilliant cut, impressive size, and eye-clean clarity Details: • Origin: Volyn deposit, Ukraine • Weight: 70.50 ct • Size: 28.5 × 19 mm • Color: Natural Green • Clarity: Eye-clean (no inclusions) Worldwide shipping Payment method: Bank transfer, PayPal, Wise
Loose Stones
March 18, 2026
$5,600
1.01 Carat Cushion White Lab Grown Diamond D Color VS1 Clarity IGI Certificate #662418409
Lab-Created
March 17, 2026
$300
1.39 + 1.41 Carat Cushion White Lab Grown Diamonds G Color VVS2 Clarity IGI Certificate #687566255, #649435338 1200 OBO
Lab-Created
March 17, 2026
$1,200
1.05 Carat Round Lab Grown Diamond D Color VVS2 Clarity IGI Certified #LG766686387
Lab-Created
March 17, 2026
$350
1.51 Carat Oval Lab Grown Diamond Fancy Vivid Blue Color VS1 Clarity IGI Certified #LG764678430 800 or throw me an offer
Lab-Created
March 17, 2026
$800
1.10 Carat Pear Lab Grown Diamond Fancy Vivid Pink Color VS1 Clarity IGI Certified #LG755512237 800 or throw me an offer
Lab-Created
March 17, 2026
$800
5.45 Carat Round White Lab Grown Diamond E Color VS1 Clarity IGI Certificate #700519944
Lab-Created
March 17, 2026
$2,000
This exquisite natural Thailand blue sapphire is a true standout, boasting a substantial weight of 2.72 carats. Its striking oval shape and elegant combination of a brilliant-cut crown with a step-cut pavilion create a sophisticated play of light, making it a perfect centerpiece for a custom jewelry design. Originating from Thailand, this transparent sapphire has been expertly heated to enhance its natural beauty. With precise measurements of 10.49 x 7.59 x 4.07 mm, this loose stone offers an impressive presence that will captivate any admirer. Price $3500 USD Email ArtRoss2000@yahoo.com
Colored Gemstone
March 14, 2026
$3,500
2.40 Carat Royal Velvety Blue Sapphire – Thailand Origin – GIA Certified Stunning 2.40 carat natural sapphire displaying a rich royal, velvety blue color with beautiful brilliance and life. This gemstone is GIA certified, confirming Natural Corundum – Sapphire with Thailand geographic origin and standard heat treatment. The stone features an elegant oval shape with a brilliant cut crown and step cut pavilion, enhancing its sparkle and depth. With transparent clarity, it shows excellent brightness and color in different lighting. Details: • Weight: 2.40 Carats • Measurements: 9.72 × 7.58 × 3.73 mm • Shape: Oval • Color: Royal Velvety Blue • Transparency: Transparent • Species: Natural Corundum • Variety: Sapphire • Geographic Origin: Thailand • Treatment: Heated • Certification: GIA Certified Price: $2600 USD Email: ArtRoss2000@yahoo.com
Colored Gemstone
March 14, 2026
$2,600
2.03 ct Royal Blue Sapphire – GIA Certified – Thailand Origin Beautiful 2.03 carat natural sapphire featuring a rich royal blue velvet color and elegant oval cut. Measures 9.55 × 7.45 × 3.27 mm, giving the stone excellent presence and brilliance with a brilliant crown and step-cut pavilion. Origin Thailand, a renowned sapphire source. Certified by the Gemological Institute of America confirming natural corundum, transparent, and heat treated (standard industry enhancement). A stunning gemstone ideal for a custom ring or fine jewelry centerpiece. Price: $2300 Email: ArtRoss2000@yahoo.com
Colored Gemstone
March 14, 2026
$2,300
This beautiful 1.80 carat natural blue thai sapphire, certified by the Gemological Institute of America (GIA), displays a rich velvety royal blue color prized in fine sapphires. The stone is cut in a classic oval shape with brilliant crown facets for lively sparkle and measures 8.42 × 6.99 × 3.66 mm, giving it an excellent face-up size for rings or fine jewelry. Sourced from Thailand and professionally heat treated, it is fully transparent with attractive color saturation and balance. With its desirable velvet-blue tone, GIA certification, and elegant proportions, this sapphire is a perfect centerpiece for a custom engagement ring or high-end jewelry piece and a great addition for collectors seeking a classic natural sapphire. Price: $2000 USD Email: ArtRoss2000@yahoo.com
Colored Gemstone
March 14, 2026
$2,000
This exquisite 1.54-carat GIA-certified natural ruby from Burma (Myanmar) displays a captivating red color with exceptional transparency. Expertly cut into an elegant oval shape measuring 8.02 × 6.66 × 3.15 mm, the gem features a brilliant-cut crown paired with a step-cut pavilion for maximum brilliance and depth. Classified as natural corundum and enhanced by traditional heat treatment, this Burmese ruby exemplifies the legendary beauty and rarity for which Burma-origin stones are cherished. A truly outstanding gemstone for fine jewelry or investment. Price:$9,999 USD serious offers considered Email: ArtRoss2000@yahoo.com
Colored Gemstone
March 14, 2026
$9,999
Elevate your jewelry collection with this stunning 1.57 carat oval yellow sapphire gemstone, showcasing a beautiful yellow, gold color that sparkles brilliantly in the sun with mesmerizing fire and scintillation. Measuring precisely 7.53 x 6.22 x 4.06 mm in a captivating transparent yellow hue, this one loose stone features an exceptional oval shape with a step-cut crown and brilliant pavilion cut, certified as natural corundum of the sapphire variety and natural species. Perfect for custom settings or as a collector's prize, its vivid, sun-kissed yellow glow promises timeless luxury and eye-catching elegance. GIA certified Price: $99.00 Email: ArtRoss2000@yahoo.com
Colored Gemstone
March 14, 2026
$99
Discover the allure of this stunning 2.02-carat natural ruby from, Mozambique, a captivating gemstone that commands attention with its elegant oval shape and substantial presence. Measuring 7.82 x 6.17 x 4.35 mm, this Mozambique-origin natural ruby features a sophisticated combination of a brilliant-cut crown and a step-cut pavilion, creating a beautiful play of light. Accompanied by a professional GIA lab report confirming its natural origin, this piece offers a wonderful opportunity to own a 2.02 high-carat colored gemstone with a classic, sophisticated aesthetic. Price: $7500 USD serious offers considered Email: ArtRoss2000@yahoo.com
Colored Gemstone
March 14, 2026
$7,500
This is an exceptional opportunity to acquire a truly rare and captivating gemstone. Behold this magnificent 1.90-carat natural ruby, originating from the prestigious mines of Burma (Myanmar). Defined by its striking vivid red hue and classically elegant oval shape, this stone carries the legendary "Pigeon’s Blood" trade designation—the absolute pinnacle of desirability for collectors and connoisseurs worldwide. The stone measures 8.74 x 5.39 x 4.72 mm, offering a substantial presence that is beautifully showcased by its sophisticated brilliant cut crown and step-cut pavilion. With its coveted origin and exquisite color, this ruby is more than just a gemstone; it is a timeless investment piece waiting to become the centerpiece of a signature jewelry design. Price: $14,999 USD serious offers considered Email: ArtRoss2000@yahoo.com
Colored Gemstone
March 14, 2026
$14,999
Up for sale is a beautiful, transparent natural blue (baby blue)sapphire weighing 2.97 carats. This elegant oval-cut stone—GIA certified—features a brilliant-cut crown paired with a step-cut pavilion, creating a sophisticated play of light. Measuring 10.62 x 8.33 x 4.00 mm, this GIA certified stone is a fantastic candidate for a custom jewelry project or a collector’s piece. This sapphire comes with a formal GIA certified report (as shown in the attached image) verifying its authenticity as natural corundum from Thailand. Please note the report indicates the stone has been heated, which is standard for enhancing the clarity and color of fine sapphires. All analytical data and observations confirm its quality, and I am happy to provide the full details of this GIA certified gem upon request. Price: $3900 USD Email: ArtRoss2000@yahoo.com
Colored Gemstone
March 14, 2026
$3,900