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Item Ships From: Manhattan
Ancient Persian Sasanian Empire Emerald Intaglio Seal
Located in New York, NY
An ancient Persian Sasanian Empire hand carved Emerald intaglio bead seal. Carved Gemstones, Ancient Artifacts and Historical Memorabilia For Collector...
Category

19th Century Unknown Antique Manhattan - Loose Gemstones

Materials

Emerald, Sterling Silver

Antique Victorian Red Coral Intaglio Seal Bead
Located in New York, NY
An antique 19th-century stone intaglio seal bead. Round shape, faceted surface. The intaglio depicts a rose flower. Victorian Collectibles, Mineral Stone Carvings, Stamps And Seals. ...
Category

19th Century European Antique Manhattan - Loose Gemstones

Materials

Coral, Sterling Silver

Kashmir 4.03 Carat Antique Cushion Cut Royal Blue Sapphire, SSEF Certified.
Located in New York, NY
An extraordinary offering for the discerning collector; a 4.03 carat natural, untreated Kashmir Sapphire , certified and exhibiting the legendary Royal Blue color - deep, velvety and...
Category

19th Century Asian Antique Manhattan - Loose Gemstones

Materials

Blue Sapphire

【Conchéa】Flamingo Glow Matched Conch Pearl Pair — 1.68ct + 1.50ct
Located in New York, NY
A rare matched pair of natural conch pearls, glowing with saturated flamingo pink and pronounced flame patterning. Measuring 7.8 x 5.6 mm and weighing 1.68 + 1.50 carats, these oval ...
Category

21st Century and Contemporary Japanese Manhattan - Loose Gemstones

Materials

Pearl

color change Spinel PAIR 1.45 cts.
Located in Brooklyn, NY
This pretty open sky Blue spinel Oval cut , weighs 1.45 carats and would make a beautiful pair of Earrings , though its shape lends itself to a variety of possibilities! It measure...
Category

2010s Central Asian Manhattan - Loose Gemstones

Materials

Spinel

Spinel 3.48 cts. Beautiful Blue color Spinel from Sri lanka.
Located in Brooklyn, NY
This pretty BLUE spinel Cushion cut , weighs 3.48 carats and would make a beautiful 3-stone ring, though its shape lends itself to a variety of possibilities! It measures 9.0 x 8.2...
Category

2010s Sri Lankan Manhattan - Loose Gemstones

Materials

Spinel

AGL Certified Gemstone Natural Corundum Pink Sapphire Weighing 2.92 Carats
By OGI Ltd
Located in New York, NY
AGL certificate Natural Pink Sapphire weighing 2.92 carats Purplish Pink Color Oval Shaped, mix cut Heated Color Stability Excellent Measuring 8.63x7.11x5.10 mm Natural corundum pi...
Category

Mid-20th Century Sri Lankan Contemporary Manhattan - Loose Gemstones

Materials

Pink Sapphire

GIA Certified Carved Colombia Emerald Loose Stone Weighing 4.35 Carats
By OGI Ltd
Located in New York, NY
Introducing our exquisite GIA certified carved Colombia Emerald loose stone, a true masterpiece of nature. This captivating gem weighs a remarkable 4.35 carats, making it a truly val...
Category

20th Century Colombian Contemporary Manhattan - Loose Gemstones

Materials

Emerald

No Oil, Matched Pair of Colombian Cushion-Cut Emeralds, Gübelin Certified
Located in New York, NY
This perfectly matched pair of Colombian cushion-cut emeralds, totaling 5.16 carats, is a rare and collectible find. Both stones are Gübelin-certified and carry "No Indications of Cl...
Category

2010s Manhattan - Loose Gemstones

Materials

Emerald

GIA Certified No Treatment Octagonal Natural Quartz Citrine Weighing 42.43 Carat
By OGI Ltd
Located in New York, NY
Rarity is an essential factor in determining the value of gemstones. Natural citrines are rarer than amethysts or smoky quartz because they occur less frequently in nature. The abse...
Category

Early 20th Century Malagasy Contemporary Manhattan - Loose Gemstones

Materials

Citrine, Quartz

【Conchéa】Blush Flame Matched Conch Pearls — 1.32ct + 1.48ct
Located in New York, NY
A perfectly matched pair of natural conch pearls, featuring a harmonious blush-pink hue and radiant, visible flame structure across both gems. These rare treasures, weighing 1.32ct a...
Category

21st Century and Contemporary Japanese Manhattan - Loose Gemstones

Materials

Pearl

GIA Certificated Oval Carved Double Sided Cabochon Emerald Weighing 53.64 Carats
By OGI Ltd
Located in New York, NY
G I A G EMO L O G IC A L R E P O R T EMERALD REPORT GIA REPORT 522173152 Shape Oval Carved Double Cabochon Transparency Translucent Color Green Species Natural Beryl TREATMENT Clarity Enhanced (F2) One loose stone Weight: 53.64 carats Measurements: 26.97 x 19.90 x 12.90 mm An oval carved double-sided cabochon emerald weighing 53.64 carats, certified by GIA (Gemological Institute of America), can be considered rare and valuable Comments: Due to their growth conditions in nature and recovery methods, most emeralds contain surface reaching features. For this reason, clarity enhancement is a common trade practice Larger emeralds are generally rarer and more valuable, assuming all other quality factors are favorable GIA is the most established certification company in the world. They have been around since 1931 and are the foremost authority on diamonds, gems and pearls. They are a non-profit organization that sets the standards for jewels and identification world-wide. Gemstones are rare natural resources of nature. Each gemstone is unique. One can compare the market for gemstones well with the art market Untreated gemstones are best suited for investment. In the case of sapphire and ruby, this implies that they are not heated, as 98...
Category

Early 20th Century Colombian Contemporary Manhattan - Loose Gemstones

Materials

Emerald

GIA Certified 0.81 Carat Cushion Fancy Deep Orangy Yellow Natural Diamond
By Diamond Stars Jewelry, Inc.
Located in New York, NY
Loose Diamond GIA Certified This is a Natural Diamond Cushion Modified Brilliant Cut The diamond is 0.81 Carat SI1 Clarity The color is Fancy Deep Orangy Yellow The stone measures 5....
Category

21st Century and Contemporary Unknown Contemporary Manhattan - Loose Gemstones

Materials

Diamond, Yellow Diamond

Extra Large 22k Natural Crystalized Sponge/Leaf Gold Nugget Specimen 116.7 Grams
Located in New York, NY
This exceptional natural gold nugget specimen weighs 116.7 grams and features intricate crystallized sponge and leaf-like formations, with approximately 50 grams of pure 22k gold. Or...
Category

20th Century Manhattan - Loose Gemstones

Materials

Quartz

GIA Certified 1.13ct Natural Alexandrite Color change 54774
By Unbranded
Located in New York, NY
GIA Certified Natural Alexandrite 1.13ct Transparent Cushion Cut 6.98 x 4.78 x 3.83 Report #6204425887 Stating Color Change Blue Green - Gray Purple
Category

21st Century and Contemporary Russian Empire Manhattan - Loose Gemstones

Materials

Alexandrite

TJD IGI Certified 1.03 Carat Emerald Cut Loose Diamond, K Color IF Clarity
By TJD
Located in New York, NY
Weight: 1.03ct Cut: Emerald Cut Color: K Clarity: IF Polish: Very Good Symm: Very Good ...
Category

21st Century and Contemporary Modern Manhattan - Loose Gemstones

Materials

Diamond, Emerald

Rare Colors - 2.00ct Fancy Light Yellow-Green Marquise Cut Diamond - Loose
By Rare Colors
Located in New York, NY
This rare 2.00 carat fancy light yellow-green marquise cut diamond offers a beautiful blend of softness and vibrancy. With its elongated silhouette and graceful curves, the marquise ...
Category

2010s Manhattan - Loose Gemstones

Materials

Diamond

2.01ct Fancy Yellow Elongated Radiant Cut Diamond - Loose
By Rare Colors
Located in New York, NY
This 2.01 carat Fancy Yellow diamond features an exceptionally rectangular and elongated radiant cut, offering a striking and elegant silhouette. With VS1 clarity and Excellent, Very...
Category

2010s Manhattan - Loose Gemstones

Materials

Diamond

1.04 Carat Fancy Vivid Purple-Pink Oval Diamond Ring - Rare Colors
By Rare Colors
Located in New York, NY
This exceptional 1.04-carat Fancy Vivid Purple-Pink diamond is truly one of a kind—there is no other diamond like it on Earth, and is more sweet and saturated that most vivids. GIA-c...
Category

2010s Manhattan - Loose Gemstones

Materials

Diamond, Pink Diamond

color change Spinel 4.11 cts.
Located in Brooklyn, NY
This pretty Purplish Pink spinel Cushion cut , weighs 4.11 carats and would make a beautiful 3-stone ring, though its shape lends itself to a variety of possibilities! It measures ...
Category

2010s Burmese Manhattan - Loose Gemstones

Materials

Spinel

111.55 Carat Tanzanite Loose Gemstone
Located in New York, NY
Introducing the breathtaking 111.55 carat loose Tanzanite, a rare and extraordinary gemstone of the highest quality. This oval-shaped Tanzanite boasts an exceptional AAAA rating, ind...
Category

2010s Tanzanian Manhattan - Loose Gemstones

Materials

Tanzanite

111.55 Carat Tanzanite Loose Gemstone
111.55 Carat Tanzanite Loose Gemstone
$83,625 Sale Price
25% Off
Georg Jensen Sterling Silver Acorn Set Dinner Flatware Set 67 Pieces New
By Georg Jensen
Located in New York, NY
This Georg Jensen Acorn flatware collection was introduced in 1915 and has become one of the brand’s most iconic designs. Created by Danish silversmith Georg Jensen, the collection f...
Category

Mid-20th Century Modern Manhattan - Loose Gemstones

Materials

Other

10 Carat Australian Boulder Opal Freeform Cabochon
Located in New York, NY
This incandescent 10 ct. Boulder Opal freeform cabochon features a captivating play of color across its polished surface with electrifying flashes of green, violet, aqua, and gold sh...
Category

2010s Australian Manhattan - Loose Gemstones

Materials

Opal

Plat /18kt Yellow Gold Diamond .45ct. Moon Pendant
By Jose Trillos
Located in New York, NY
Thia 18 karat yellow gold pendant is crafted in a sand blasted finish. The pendant is designed with a texture to give the feel of the moon's craters. A platinum crescent set with 0.4...
Category

1980s American Retro Vintage Manhattan - Loose Gemstones

Materials

Diamond, Platinum, Yellow Gold, 18k Gold

GIA Certified 0.58CT S-T I2 Round Brilliant Loose Diamond
Located in New York, NY
ITEM DESCRIPTIO ID #: 56566 Stone Shape: Round Brilliant Diamond Weight: 0.58CT Clarity: I2 Color: S-T light brown Cut: Fair Measurements: 5.14-5.21*3.38mm Depth %: 65.4% Table %:...
Category

15th Century and Earlier Antique Manhattan - Loose Gemstones

Materials

White Diamond

7.4ct Green Tourmaline Electric Color Cushion Cut
By FERRUCCI
Located in New York, NY
7.4ct Green Tourmaline Cushion cut, very clean mineral, electric green. Design with us a unique, custom piece of jewelry art to wear on your important moments, something that will pa...
Category

2010s Manhattan - Loose Gemstones

Materials

Tourmaline

Rare 0.84 Carat G SI2 Horse Head Natural Loose Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: 55473 Stone Shape: Horse Head Diamond Weight: 0.84 CT Clarity: SI2 Color: G Measurements 6.00 X 5.82 X 3.30 mm Our Price: $1625.00 These genuine diamonds are...
Category

15th Century and Earlier Antique Manhattan - Loose Gemstones

Materials

White Diamond

Natural Tanzanite Faceted Cut AAAA 21.43 Cts Loose Gemstone Tanzanite Jewelry
Located in New York, NY
♥ Welcome to Blue Star Gems: Your stop for Natural Loose Gemstones for Jewelry making and Best Quality and affordable Gemstones for the Price you Pay We are Loose Gemstones Manufactu...
Category

21st Century and Contemporary Tanzanian Art Deco Manhattan - Loose Gemstones

Materials

Tanzanite

GIA certified .15ct Fancy Intense Pink Purple Diamond Loose 41114
By Unbranded
Located in New York, NY
GIA Certified .15ct Natural Diamond Loose Fancy Intense Pink Purple Even 4.00 x 2.69 x 1.88 mm Report # 2235404915 Stating I3 clarity
Category

21st Century and Contemporary Retro Manhattan - Loose Gemstones

Materials

Diamond

0.92 TCW Yellow Cushion Diamond Loose Stones
Located in New York, NY
Weight: 0.2 Grams Stone: 0.92 TCW Yellow Diamond (0.30+ ct.) Measurements: 3.8 x 3.35 x 2.55 mm 3.6 x 3.3 x 2.85 mm 3.7 x 3.25 x 2.6 mm ITEM #: BR-1471-120424-03
Category

21st Century and Contemporary Manhattan - Loose Gemstones

Materials

Yellow Diamond

AAAA High Quality Natural Tanzanite 17.9 Cts Loose Gemstone Tanzanite Jewelry
Located in New York, NY
♥ Welcome to Blue Star Gems: Your stop for Natural Loose Gemstones for Jewelry making and Best Quality and affordable Gemstones for the Price you Pay We are Loose Gemstones Manufactu...
Category

21st Century and Contemporary Tanzanian Art Deco Manhattan - Loose Gemstones

Materials

Tanzanite

Antique Cameo Signed G. Stella Tiara
Located in New York, NY
Weight: 46.3 Grams Stone: Sardonyx Shell Measurements: 3.45 x 135.28 x 51 mm Signed: G. Stella. ITEM #: BR-1463-112624-12 Circa 1840s. Museum Quality Cameo Tiara...
Category

19th Century Neoclassical Antique Manhattan - Loose Gemstones

Materials

Other

Natural Pink Morganite Octagon AAAA Grade Eye Clean Clarity Loose Gemstone
Located in New York, NY
PRODUCT DETAILS..........❤️ ★ Gem Type: Natural Pink Morganite ★ Weight: 37.24 Carats ★ Measurements (Length x Width x Height): 22.89mm length x18.68mm width x12.32 Height ★ Shape: ...
Category

21st Century and Contemporary African Manhattan - Loose Gemstones

Materials

Morganite

Water Melon Tourmaline 32.66 Carat Green And Red Natural Maginificient Loose Gem
By Malpani Jewels
Located in Hung Hom, HK
Water Melon Tourmaline 32.66 Carat Green And Red Natural Maginificient Loose Gem Details are mentioned below: Weight: 32.66 carats Dimensions:20.81x17.98x9.97 mm Treatment: None Cla...
Category

2010s Hong Kong Arts and Crafts Manhattan - Loose Gemstones

Materials

Tourmaline

Natural Pink Morganite Octagon AAAA Grade Eye Clean Clarity Loose Gemstone
Located in New York, NY
PRODUCT DETAILS..........❤️ ★ Gem Type: Natural Pink Morganite ★ Weight: 38.18 Carats ★ Measurements (Length x Width x Height): 24.18mm length x18.27mm width x11.73 Height ★ Shape: ...
Category

21st Century and Contemporary African Manhattan - Loose Gemstones

Materials

Morganite

Real Pink Morganite Pear Faceted Cut 35.35x21.41x15.28MM Loose Gemstone Jewelry
Located in New York, NY
PRODUCT DETAILS..........❤️ ★ Gem Type: Natural Pink Morganite ★ Weight: 61.54 Carats ★ Measurements (Length x Width x Height): 35.35mm length x21.41mm width x15.28 Height ★ Shape: ...
Category

21st Century and Contemporary African Manhattan - Loose Gemstones

Materials

Morganite

GIA Certified 1.50 Carat Brilliant Cut Loose Diamond G / IF
Located in New York, NY
1.50 Carat Round Brilliant Cut Loose Diamond GIA certified G / IF Grade Cut : Very Good Polish: Very Good Symm: EX Depth: 58.9 Stone Table: 58
Category

2010s American Manhattan - Loose Gemstones

Materials

Diamond

Hand Carved Ruby Intaglio of a Cupid Riding a Dolphin Castellani Collection
By Castellani Jewellers
Located in New York, NY
From the Castellani ® Collection of Carved Gemstones is this fabulous Oval Shape Double Cabochon Intaglio Ruby weighing 3.41ct The Motif is a Cupid Riding on a Dolphin which has bee...
Category

21st Century and Contemporary Sri Lankan Manhattan - Loose Gemstones

Materials

Ruby

AAAA Natural Aquamarine 13.73 Cts Oval Loose Gemstone For Jewelry Making
Located in New York, NY
About this listing: Aquamarine Loose Gemstone for Jewelry making 19x13.7x9.91mm Oval, AAAA quality Blue color, custom Jewelry, March Birthstone, Gift for her Welcome to Blue Star Ge...
Category

21st Century and Contemporary African Art Deco Manhattan - Loose Gemstones

Materials

Aquamarine

GIA Certified 0.25 CT Light Pink Old European Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: 54283 Stone Shape: ROUND ROSE CUT Diamond Weight: 0.25 CT Clarity: None Color: Very Light Pink Cut: Excellent Measurements: 4.58 - 4.66 x 1.19 mm Symmetry: ...
Category

15th Century and Earlier Antique Manhattan - Loose Gemstones

Materials

Pink Diamond

Radiant GIA Certified 0.25CT Fancy Pink Round Brilliant Diamond With VS1 Clarity
Located in New York, NY
ITEM DESCRIPTION ID #: 55125 Stone Shape: Round Diamond Weight: 0.25CT Clarity: VS1 Color: Faint Pink Cut: Good Measurements: 4.00x4.02x2.49mm Depth %: 62% Table %: 59% Symmetry: E...
Category

15th Century and Earlier Antique Manhattan - Loose Gemstones

Materials

Pink Diamond

32.75 Carat Emerald Cut Watermelon Tourmaline
Located in New York, NY
This striking 32.75-carat Watermelon Tourmaline showcases a rare and highly desirable bi-color transition, blending delicate blush pink into rich teal blue with natural clarity and b...
Category

2010s Brazilian Manhattan - Loose Gemstones

Materials

Other, Tourmaline

EXTREMELY RARE! GIA Certified 2.02 Carat Lozenge Kite Step cut Antique Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: NYC57128 Stone Shape: MODIFIED LOZENGE STEP CUT Diamond Weight: 2.02 CT Clarity: I1 Color: G Cut: Excellent Measurements: 17.14 X 7.35 X 2.86 mm Depth %: 38....
Category

21st Century and Contemporary North American Art Deco Manhattan - Loose Gemstones

Materials

White Diamond, Diamond

Pair Of Japanese Cloisonne Enamel Ojime Beads
Located in New York, NY
A pair of Japanese enamel Ojime beads. The circular shaped beads are adorned with polychrome floral, foliage and geometrical patterns made in the Cloisonne technique. Antique and Vin...
Category

19th Century Japanese Antique Manhattan - Loose Gemstones

Materials

Sterling Silver

Gia Certified 1.50 Carat G Vvs2 Round Brilliant Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: NYC56426 Stone Shape: ROUND BRILLIANT Diamond Weight: 1.50 CT Clarity: VVS2 Color: G Cut: Excellent Measurements: 7.26 X 7.32 X 4.55 mm Depth %: 62.30% Table %...
Category

15th Century and Earlier Antique Manhattan - Loose Gemstones

Materials

White Diamond

【Conchéa】Matched Pair of Flamingo Pink Conch Pearls – 2.6ct & 3.12ct
Located in New York, NY
An exceptional pair of natural conch pearls, weighing 2.6 and 3.12 carats respectively. Their intense flamingo pink hue is beautifully complemented by distinct flame structures, shim...
Category

21st Century and Contemporary Japanese Manhattan - Loose Gemstones

Materials

Pearl

TJD Loose Natural Swiss Blue Topaz 7.80 Cts Round Gemstone for Ring and Pendant
By TJD
Located in New York, NY
Create Ring or Pendant of your dream with this 12 MM Natural Swiss Blue Topaz Loose Gemstone. We can suggest you designs as per your re...
Category

21st Century and Contemporary Modern Manhattan - Loose Gemstones

Materials

Blue Topaz

GIA Certified 18.0+ Carat Emerald Cut Diamond
By GEMME
Located in New York, NY
Gorgeous Emerald Cut Diamond over 18 Carats (please inquire about exact weight) GIA Certified as I color and VS2 clarity. Please inquire for stones in any shape, size and quality.
Category

2010s Manhattan - Loose Gemstones

Materials

Diamond

color change Spinel 4.76 cts.
Located in Brooklyn, NY
This pretty Pinkish spinel Cushion cut , weighs 4.76 carats and would make a beautiful 3-stone ring, though its shape lends itself to a variety of possibilities! It measures 11.8 x ...
Category

2010s Burmese Manhattan - Loose Gemstones

Materials

Spinel

Natural Loose 1.40 Carat Fancy Brown VS2 Penis Cut Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: 56700 Stone Shape: Penis Cut Diamond Diamond Weight: 1.40 CT Clarity: VS2 Color: Fancy Brown Measurements 10.00 x 6.00 x 4.57 mm Our Price: $8160.00 Appraisal Price: $12240.00 A free online diamond appraisal...
Category

21st Century and Contemporary Manhattan - Loose Gemstones

Materials

Diamond, White Diamond, Brown Diamond

1.02 Carat Round Brilliant Gia Certified G Color Vs2 Clarity Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: NYC56705 Stone Shape: ROUND BRILLIANT Diamond Weight: 1.02ct Clarity: VS2 Color: G Cut: Good Measurements: 6.25 - 6.30 x 4.01 mm Depth %: 63.9% Table %: 68% Sy...
Category

15th Century and Earlier Antique Manhattan - Loose Gemstones

Materials

White Diamond

GIA Certified 0.90 Carat Heart Brilliant H Color VS2 Clarity Natural Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: NYC56557 Stone Shape: HEART BRILLIANT Diamond Weight: 0.90ct Clarity: VS2 Color: H Cut: Excellent Measurements: 5.74 x 6.47 x 3.91 mm Depth%: 60.4% Table%: 55...
Category

21st Century and Contemporary Manhattan - Loose Gemstones

Materials

Diamond, White Diamond

AAAA Natural Aquamarine 14.7 Cts Oval Top Loose Gemstone For Jewelry Making
Located in New York, NY
About this listing : Aquamarine Loose Gemstone for Jewelry making 18x14.3x9.57mm Oval, AAAA quality Blue color, custom Jewelry, March Birthstone, Gift for her Welcome to Blue Star G...
Category

21st Century and Contemporary African Art Deco Manhattan - Loose Gemstones

Materials

Aquamarine

GIA certified Exquisite 1.01ct Pear-Cut Natural Diamond SI2 M
Located in New York, NY
Discover the enchanting beauty of this pear-shaped diamond, meticulously crafted with a multitude of facets that catch and reflect light, creating a stunning sparkle. The diamond fea...
Category

Early 17th Century Antique Manhattan - Loose Gemstones

Materials

Diamond

1.00 Carat Pear Brilliant Gia Certified L, Faint Brown Si2 Clarity Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: NYC56382 Stone Shape: PEAR MODIFIED BRILLIANT Diamond Weight: 1.00ct Color: L, Faint Brown Clarity: SI2 Cut: Excellent Measurements...
Category

21st Century and Contemporary Manhattan - Loose Gemstones

Materials

Diamond, White Diamond, Brown Diamond

Natural Tanzanite AAAA Emerald Cut 25.47 Cts December Birthstone Loose Gemstone
Located in New York, NY
♥ Welcome to Blue Star Gems: Your stop for Natural Loose Gemstones for Jewelry making and Best Quality and affordable Gemstones for the Price you Pay We are Loose Gemstones Manufactu...
Category

21st Century and Contemporary Tanzanian Art Deco Manhattan - Loose Gemstones

Materials

Tanzanite

Natural Tanzanite 10x8mm 3.31 Cts Oval AAAA Loose Gemstone December Birthstone
Located in New York, NY
♥ Welcome to Blue Star Gems: Your stop for Natural Loose Gemstones for Jewelry making and Best Quality and affordable Gemstones for the Price you Pay We are Loose Gemstones Manufactu...
Category

21st Century and Contemporary Tanzanian Art Deco Manhattan - Loose Gemstones

Materials

Tanzanite

230.25 Carat Carbonado Black Diamond
Located in New York, NY
Presenting a once-in-a-lifetime opportunity: This monumental 230.25 carat carbonado diamond is the largest natural black diamond available on the market. Known for their extraordinary rarity and captivating origin, carbonado diamonds are believed by many in the scientific community to have formed in space and arrived on Earth via ancient meteorite impacts – making them not just gemstones, but celestial relics. This uncut, museum-grade carbonado black diamond...
Category

2010s Canadian Manhattan - Loose Gemstones

Materials

Black Diamond

230.25 Carat Carbonado Black Diamond
230.25 Carat Carbonado Black Diamond
$208,333 Sale Price
25% Off
251.76 Carat Rough Black Diamond
Located in New York, NY
This lustrous, huge rough black diamond mined in Canada weighs 251.76 carats. Black diamonds owe their opaque color to natural impurities in the crystal lattice and make beautiful co...
Category

2010s Canadian Manhattan - Loose Gemstones

Materials

Black Diamond

251.76 Carat Rough Black Diamond
251.76 Carat Rough Black Diamond
$524,500 Sale Price
25% Off
91.40 Carat Natural Rough Black Diamond Cube
Located in New York, NY
This very lustrous, large rough black diamond mined in Canada weighs 91.40 carats and has crystallized in a natural cube shape. Black diamonds owe their opaque color to natural impur...
Category

2010s Canadian Manhattan - Loose Gemstones

Materials

Black Diamond

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