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Loose Cut 15 Carat Diamond

Loose Diamond - Princess Cut 5.08ct GIA L VS2 Solitaire
Located in Greensboro, NC
Carat: 5.08ct Cut: Princess Color: L Clarity: VS2 Certified by: GIA Report Number: 2225814382
Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

1.41ct GIA certified fancy yellow diamond loose
Located in Boca Raton, FL
: Color: Fancy Yellow Cut: Square Brilliant Carat: 1.41ct Certificate of authenticity comes with purchase
Category

21st Century and Contemporary Loose Gemstones

Materials

Yellow Diamond

Huge Loose GIA certified heart brilliant diamond 4.57ct
Located in Boca Raton, FL
GIA certified diamond, stunning heart brilliant 4.57 carats! Natural Diamond: Color: Fancy Yellow
Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Loose Diamond - Cushion 4.01ct GIA D VS2 Solitaire
Located in Greensboro, NC
Carat: 4.01ct Cut: Cushion Color: D Clarity: VS2 Certified by: GIA Report Number: 2223271109
Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Loose Diamond - Lozenge 4.51ct GIA J SI2 Solitaire
Located in Greensboro, NC
Carat: 4.51ct Cut: Lozenge Color: J Clarity: SI2 Certified by: GIA Report Number: 2225721834
Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Loose Diamond - Pear .75ct GIA F SI2 Solitaire
Located in Greensboro, NC
Carat: .76ct Cut: Pear Color: F Clarity: SI2 Size (mm): 7.55 x 5.14 x 3.42 Certified by: GIA
Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

GIA certified fancy light pink heart diamond loose 1.03ct
Located in Boca Raton, FL
Natural Color Diamond: Color: Fancy Light Pink Cut: Heart Brilliant Carat: 1.03ct Clarity: I1
Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond, Pink Diamond

Loose Diamond - Round Brilliant .60ct GIA D SI1 Solitaire
Located in Greensboro, NC
Carat: .60ct Cut: Round Brilliant Color: D Clarity: SI1 Size (mm): 5.43 - 5.48 x 3.33 Certified by
Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

GIA certified diamond 1.01ct Fancy PInk diamond loose NATURAL COLOR
Located in Boca Raton, FL
Loose GIA diamond fancy pink, will comes with all certififcates. Natural Diamond(s): Color: Fancy
Category

21st Century and Contemporary Loose Gemstones

Materials

Pink Diamond

Natural Round Brilliant Diamond in a 1.00 Carat G VS1, GIA Certificate
Located in רמת גן, IL
Natural Round Brilliant diamond in a 1.00 carat G VS1 with Beautiful cut and shine. This diamond
Category

2010s Israeli Loose Gemstones

Materials

Diamond

1.50ct GIA certified Heart diamond Fancy Intense Yellow
Located in Boca Raton, FL
: Color: Fancy Intense Yellow Cut: Heart Brilliant Carat: 1.50ct Clarity: SI1 Certificate of authenticity
Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond, Yellow Diamond

1 Pc Natural Diamond, 1.00 Ct, Round, G, VS1, GIA Certificate
Located in רמת גן, IL
Natural Round Brilliant diamond in a 1.00 carat G VS1 with Beautiful cut and shine. This diamond
Category

2010s Israeli Loose Gemstones

Materials

Diamond

1.12 Fancy Pink diamond GIA certified Beautiful sparkle!
Located in Boca Raton, FL
GIA certified diamond, natural fancy pink color 1.12 carats! Natural Color Diamond: Color: Fancy
Category

21st Century and Contemporary Loose Gemstones

Materials

Pink Diamond

Tiffany & Co. Diamond Sapphire Garnet Platinum 18 Karat Yellow Gold Pansy Brooch
By Tiffany & Co.
Located in Philadelphia, PA
brilliant cut diamonds prong and bead set in platinum. Weighing approximately 1.18 carats total - G/H color
Category

Vintage 1980s Brooches

Materials

Diamond, Garnet, Sapphire, 18k Gold, Yellow Gold, Platinum

Antique Celestial Star Pendant - Brooch Necklace Set in Fitted Case
Located in Danvers, MA
carats, the old mine cut diamond has a cushion shape and open culet, with lovely sparkle. (color judged
Category

Antique Late 19th Century British Victorian Pendant Necklaces

Materials

Diamond, Pearl, 15k Gold, 18k Gold

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Argyle 0.12 Carat Natural Pink Champagne Round Shape Loose Diamond
Located in Great Neck, NY
Argyle 0.12 Carat Natural Pink Champagne Round Shape Loose Diamond. Argyle with inscription on the diamond. 2020: Closure of the Argyle mine On 3 November 2020, mining at Argyle off...
Category

2010s American Loose Gemstones

Materials

Diamond, Pink Diamond

1960 Nordic Ring 7ct. Rubellite Diamonds solid 18K Gold Ø10.75 US/ 5gr
Located in SE
Fine vintage Ring in classic design. Band in solid 18K Gold. Bezel set natural transparent Rubellite / Red Tourmaline cabochon cut 15 mm x 10 mm x 5.5 mm deep / ca. 7 ct, of vivid P...
Category

Vintage 1960s Swedish Retro Cluster Rings

Materials

Diamond, Rubelite, 18k Gold

GIA Certified 1 Carat Purplish Pink Diamond Earth Mined Brilliant Round 6.5mm
Located in Columbus, OH
We are thrilled to bring you this absolutely gorgeous pink natural earth mined diamond! This diamond is HPHT treated, giving it a stunning fancy vivid purplish pink color. A fabulous...
Category

2010s American Modernist Loose Gemstones

Materials

Pink Diamond

Heart garnet ring. 14k Gold Heart Eternity Ring with Heart Garnets!
By Daizy Jewellery
Located in Istanbul, TR
14 kt solid gold heart Eternity ring with heart natural garnets. January birthstone. Heart eternity ring band. Valentines gift jewelry. Full circle of hearts. Weight: 2.2 g. (depen...
Category

2010s Turkish Modern Fashion Rings

Materials

Garnet, 14k Gold

NO RESERVE 3.80ct PINK Oval Rubellite Gemstone
By Hannaboya
Located in Sheridan, WY
Introducing our exquisite 3.80ct Pink Oval Rubellite Gemstone—a radiant masterpiece that embodies elegance and sophistication. This stunning gemstone features a captivating oval cut,...
Category

2010s African Artisan Loose Gemstones

Materials

Rubelite

5.46ct CUSTOM CUT Purple RED RUBELLITE TOURMALINE Gemstone
By Hannaboya
Located in Sheridan, WY
Immerse yourself in the enchantment of our exquisite 5.46ct Custom Cut Purple Red Rubellite Tourmaline Loose Gemstone. This gemstone boasts a rare Pentagon Cut, emphasizing its capti...
Category

2010s African Modern Loose Gemstones

Materials

Tourmaline, Rubelite

1.20ct Emerald Cut BLUE INDICOLITE TOURMALINE Gemstone NO RESERVE
By Hannaboya
Located in Sheridan, WY
Discover the captivating charm of this rare color 1.20-carat Emerald Cut Blue Indicolite Tourmaline Loose Gemstone. Gemstone Details: Carat Weight: 1.20 carats Shape: Emerald Cut V...
Category

2010s African Modern Loose Gemstones

Materials

Tourmaline, Indicolite

2.63ct Pear Cut Pinkish Red Rubellite Tourmaline Gemstone
By Hannaboya
Located in Sheridan, WY
Introducing the exquisite beauty of our 2.63-carat Pear Cut Pinkish Red Rubellite Tourmaline Loose Gemstone. Gemstone Details: Carat Weight: 2.63 carats Shape: Pear Cut Variety: Pi...
Category

2010s African Modern Loose Gemstones

Materials

Tourmaline

GIA Certified 51.00 Carat Natural Fancy Intense Yellow Diamond
Located in Massafra, IT
Turning dreams into really. These magnificent 51 ct yellow diamond, is the epitome of luxury and opulence. Possessing such treasures is a blessing, as they are not only symbols of u...
Category

21st Century and Contemporary Loose Gemstones

Materials

Yellow Diamond

2.95ct Pear Cut Pinkish Red Rubellite Tourmaline Gemstone
By Hannaboya
Located in Sheridan, WY
Elevate your jewelry creations or gemstone collection with the enchanting beauty of this 2.95ct Pear Cut Pinkish Red Rubellite Tourmaline. This gemstone showcases a pinkish-red hue ...
Category

2010s African Modern Loose Gemstones

Materials

Rubelite, Tourmaline

1.86ct Bi Colour Fine Blue Green Rare Sapphire Trillion Loose Gem
By Gems and Jewels UK
Located in Birmingham, GB
1.86ct Bi Colour Fine Blue Green Rare Sapphire Trillion Loose Gem 11.3x5.7mm Fine Natural Bi Color Blue Green Australian Sapphire Gem. 1.86 Carat with a rare green blue bi-colour ef...
Category

21st Century and Contemporary Loose Gemstones

Materials

Sapphire

1.69ct PEAR Cut BI-COLOR TOURMALINE Gemstone
By Hannaboya
Located in Sheridan, WY
Embrace the unique beauty of our Translucent 1.69ct Pear Cut Bi-Color Clear Tourmaline Gemstone. Gemstone Details: Carat Weight: 1.69 carats Shape: Pear Cut Variety: Bi-Color Clear...
Category

2010s African Modern Loose Gemstones

Materials

Tourmaline

David Webb Colombian Emerald & Diamond Men's Ring
By David Webb
Located in New York, NY
David Webb Colombian Emerald & Diamond Men's Ring A platinum and 18 karat white gold ring set with an AGL certified Colombian step cut emerald and 12 baguette cut diamonds Accompan...
Category

Vintage 1980s American Band Rings

Materials

Emerald, Diamond, Platinum, White Gold, 18k Gold, Gold

2.3ct Emerald Bi-Color Brown and Pink Rubellite Gemstone
By Hannaboya
Located in Sheridan, WY
Watch your jewelry creation pop with this truly unique rich and captivating 2.3ct Emerald Cut Bi-color Brown and Pink Rubellite Loose Gemstone. Gemstone Details: Carat Weight: 2.3...
Category

2010s African Modern Loose Gemstones

Materials

Tourmaline, Rubelite

1.25ct Square Cut Blue Green Tourmaline Gemstone
By Hannaboya
Located in Sheridan, WY
Elevate your jewelry designs with the serene beauty of our 1.25ct Square Blue Green Tourmaline Loose Gemstone. Gemstone Details: Carat Weight: 1.25 carats Shape: Square Cut Variety...
Category

2010s African Contemporary Loose Gemstones

Materials

Tourmaline

"Kimberley Heart" Pink Diamond - 0.34ct 2PP P2 Argye Certified
Located in ADELAIDE, SA
Rare and unique Argyle certified Pink Diamond. Round Brilliant Pink diamond weight: 0.34ct, colour: 2PP, clarity: P2. Argyle certificate ID Number: 325803 this is also laser inscrib...
Category

21st Century and Contemporary Australian Modern Loose Gemstones

Materials

Pink Diamond

Recent Sales

GIA Certified 11.844 Carat Loose Cushion Shape Mixed Cut Rubellite 'tourmaline'
Located in Auckland, NZ
11.844 carats in weight 14.14 x 11.34 x 9.92 mm in size Medium purple-red to pink hue
Category

2010s Pakistani Modern Loose Gemstones

Materials

Tourmaline

Convertible Art Deco Six-Carat Diamonds Necklace or Brooches
Located in Paris, FR
drapery set with old-mine cut and baguette-cut diamonds. Each back with two white gold pins. The two
Category

Vintage 1930s European Collectible Jewelry

Dazzling 1 pc Natural Diamond 1.01 ct Round H IF (flawless) GIA Cert.
Located in רמת גן, IL
1 Stunning natural cut round brilliant diamond in a 1.01 carat H IF excellent cut. This diamond
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Dazzling 2 Pcs Natural Diamonds w/ 2.03ct Round G, H VS1, VS2 GIA Certificate
Located in רמת גן, IL
A pair of sparkling natural cut round brilliant diamonds in a carat G-H VS1-VS2 VG cut. This
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Cartier Gold and Diamond Stack Ring
By Cartier
Located in New York, NY
information) Materials: 15 Round-cut diamonds (approximate total weight 0.65 carat); 18K Gold; Platinum
Category

Mid-20th Century French Retro Band Rings

Materials

Diamond, Gold, 18k Gold, Platinum

18K Gold Diamond Star Signet Ring with Engraved Shoulders, hallmarked 1929
Located in Danvers, MA
color, the ring features a twinkling old mine cut diamond set to the center of a star on its face, with
Category

20th Century British Victorian Signet Rings

Materials

Diamond, 18k Gold

Paspaley Lavalier Pearl Necklace
Located in SYDNEY, NSW
gm. Featuring a loose 15 mm South Sea Round Pearl. The clasp is set with 12 round, brilliant cut
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Pearl, Yellow Gold

Signet Ring Helios Ancient Intaglio Jasper solid 21K Gold Ø US7.75/ 6.4gr
Located in SE
diamonds can chip or stones fall out if proper care is not taken. WEIGHT OF THE STONES The cuts of the
Category

Antique 19th Century European Aesthetic Movement Signet Rings

Materials

Jasper, 22k Gold

Fine Quality Victorian Diamond Target Brooch
Located in Worcester, Worcestershire
with an old European cut diamond, measuring approximate 5.81 mm x 5.45 mm. Estimated carat weight 0.76
Category

Antique 19th Century Collectible Jewelry

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Loose Cut 15 Carat Diamond For Sale on 1stDibs

You are likely to find exactly the loose cut 15 carat diamond you’re looking for on 1stDibs, as there is a broad range for sale. Every item for sale was constructed with extraordinary care, often using 18k gold, gold and platinum. Our collection of these items for sale includes 3 vintage editions and 14 modern creations to choose from as well. Making the right choice when shopping for a loose cut 15 carat diamond may mean carefully reviewing examples of this item dating from different eras — you can find an early iteration of this piece from the 20th Century and a newer version made as recently as the 21st Century, both of which have proven very popular over the years. There have been many well-made iterations of the classic loose cut 15 carat diamond over the years, but those made by Tiffany & Co. are often thought to be among the most beautiful. A round cut version of this piece has appeal, but there are also heart cut and cushion cut versions for sale. Most of our loose cut 15 carat diamond for sale are for men, but there are 16 pieces available to browse for women.

How Much is a Loose Cut 15 Carat Diamond?

Prices for a loose cut 15 carat diamond can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $1,120 and can go as high as $172,800, while this accessory, on average, fetches $24,000.