Results for “Rare Rocks”

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5.45 Carat Mozambique Pink Ruby Brilliant Oval Cut EGL Certified: Particularly in a brilliant oval cut, is a rare, high-value gem. Known for intense, vivid pink hue and high fluorescence, these stones are sourced from the Mogok Valley. The oval brilliant cut maximiz

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5.45 Carat Mozambique Pink Ruby Brilliant Oval Cut EGL Certified

Est. $12,300-$13,700

$55

California GemstonesSan Diego, CA

9.50 Carat Sri Lankan Java Plum Sapphire Brilliant Round Cut AGSL Certified: Java Plum sapphires are a rare and sought-after variety of color-changing or purplish-pink/violet sapphire, renowned for their deep, rich hue reminiscent of the fruit of the same name.

May 20, 2026

9.50 Carat Sri Lankan Java Plum Sapphire Brilliant Round Cut AGSL Certified

Est. $17,000-$19,000

$150

California GemstonesSan Diego, CA

Natural Emerald Cut Amethyst Gemstone: February Birthstone, Jewelry Making (41.50 CTS): Title: Natural Emerald Cut Amethyst Gemstone: February Birthstone, Jewelry Making (41.50 CTS) Description: Reserve: $410.00 Shipping: Domestic: Flat-rate of $25 to anywhere within the contig

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Natural Emerald Cut Amethyst Gemstone: February Birthstone, Jewelry Making (41.50 CTS)

$410

Chairish AuctionsNew York, NY

7.90 Carat Brazilian Deep Blue Tourmaline--Round Cut GIE Certified: deep blue tourmaline, often referred to as Indicolite, is a significant and rare collector’s gemstone. At this weight, it is considered a large, statement-sized stone, particularly if it has a high-

May 23, 2026

7.90 Carat Brazilian Deep Blue Tourmaline--Round Cut GIE Certified

Est. $3,200-$4,100

$100

California GemstonesSan Diego, CA

10.65 Carats Natural Rare Corundum Trapichi - 12X12X7 mm: 10.65 Carats Natural Rare Corundum Trapichi - 12X12X7 mmShipping Rate: $15.00 .shipping rates are determined by Parcel weight and destination.Combined shipping: We offer combine shipping on multiple i

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10.65 Carats Natural Rare Corundum Trapichi - 12X12X7 mm

$500

Fantasy JewelryMuscat, AE

10.65 Carats Natural Rare Corundum Trapichi - 12X12X7 mm: 10.65 Carats Natural Rare Corundum Trapichi - 12X12X7 mmShipping Rate: $15.00 .shipping rates are determined by Parcel weight and destination.Combined shipping: We offer combine shipping on multiple i

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10.65 Carats Natural Rare Corundum Trapichi - 12X12X7 mm

$500

Fantasy JewelryMuscat, AE

Rare Reddish Brown Tantalite Gemstone: 1 Carat Cushion Cut, Afghanistan: Title: Rare Reddish Brown Tantalite Gemstone: 1 Carat Cushion Cut, Afghanistan Description: Tantalite, Ethical gems, Earth mined gems, FeTa2O6, Oxide Minerals, Tantalum, Iron Carat weight: 1 The miner

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Rare Reddish Brown Tantalite Gemstone: 1 Carat Cushion Cut, Afghanistan

$320

Chairish AuctionsNew York, NY

6.80 Carat --- Montana Purple Sapphire --- Oval Cut --- AGSL Certified: an exceptionally rare find, as Montana sapphires typically produce small stones (mostly under 1 carat). A stone of this size and color is considered a significant collector's piece, with purples and v

May 26, 2026

6.80 Carat --- Montana Purple Sapphire --- Oval Cut --- AGSL Certified

Est. $9,000-$14,000

$100

California GemstonesSan Diego, CA

Beautiful Iron pyrite cluster: Title: Beautiful Iron pyrite cluster Origin: Spain Size: 70 x 53 x 60 mm Description: Large and heavy natural iron pyrite cluster. Great luster and shape. Very decorative. Weight: 334 g Reserve: $170.

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Beautiful Iron pyrite cluster

$170

Chairish AuctionsNew York, NY

IGI Certified 28.96 ct. Rare Grandidierite - MADAGASCAR: IGI Certified 28.96 ct. Rare Grandidierite - MADAGASCAR Rare exceptional stone Cut - Square Step Cut Color - Bluish Green Clarity - I Transparency - Translucent Ct. Weight - 28.9

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IGI Certified 28.96 ct. Rare Grandidierite - MADAGASCAR

Est. $10,000-$15,000

$100

Kissing AuctionDelhi, New Delhi

27.35 Carats Natural Apatite Gemstone With Slik - Rare Combination- 20X13X9 mm: 27.35 Carats Natural Apatite Gemstone With Slik - Rare Combination- 20X13X9 mmShipping Rate: $15.00 .shipping rates are determined by Parcel weight and destination.Combined shipping: We offer combine

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27.35 Carats Natural Apatite Gemstone With Slik - Rare Combination- 20X13X9 mm

$350

Fantasy JewelryMuscat, AE

27.35 Carats Natural Apatite Gemstone With Slik - Rare Combination- 20X13X9 mm: 27.35 Carats Natural Apatite Gemstone With Slik - Rare Combination- 20X13X9 mmShipping Rate: $15.00 .shipping rates are determined by Parcel weight and destination.Combined shipping: We offer combine

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27.35 Carats Natural Apatite Gemstone With Slik - Rare Combination- 20X13X9 mm

$350

Fantasy JewelryMuscat, AE

4.27 ct Natural Turquoise Grandidierite, Pear Shape, Translucent, Madagascar: 4.27 ct Natural Turquoise Grandidierite, Pear Shape, Translucent, Madagascar Natural grandidierite gemstone weighing 4.27 carats, cut in a pear-shaped cabochon with a turquoise color. The gem measures

May 29, 2026

4.27 ct Natural Turquoise Grandidierite, Pear Shape, Translucent, Madagascar

Est. $600-$800

$485

Weatherham Estate TreasuresCobourg, ON

Beautiful Iron pyrite cluster: Title: Beautiful Iron pyrite cluster Origin: Spain Size: 63 x 53 x 53 mm Description: Large and heavy natural iron pyrite cluster. Great luster and shape. Very decorative. Measurements: 63 x 53 x 53 m

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Beautiful Iron pyrite cluster

$160

Chairish AuctionsNew York, NY

42.40 Carat Swiss Blue Topaz Cushion Cut Loose Gemstone For Jewellery: Title: 42.40 Carat Swiss Blue Topaz Cushion Cut Loose Gemstone For Jewellery Description: Reserve: $440.00 Shipping: Domestic: Flat-rate of $15.00 to anywhere within the contiguous U.S. International:

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42.40 Carat Swiss Blue Topaz Cushion Cut Loose Gemstone For Jewellery

$440

Chairish AuctionsNew York, NY

Rare elestial Vanadinite: Title: Rare elestial Vanadinite Origin: Morocco Size: 4 x 4.5 x 2.8 cm Description: Rare elestial vanadinite. From the 2019 find. 4 x 4.5 x 2.8 cm. 192 g Reserve: $300.00 Shipping: Domestic: Flat-r

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Rare elestial Vanadinite

$300

Chairish AuctionsNew York, NY

14 cm Polished Ocean Jasper freeform: Title: 14 cm Polished Ocean Jasper freeform Origin: Madagascar Size: 14.4 cm high Description: Fine polished Ocean Jasper freeform. Beautiful color shades. Very decorative. Self-standing. Height: 14.4

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14 cm Polished Ocean Jasper freeform

$190

Chairish AuctionsNew York, NY

Warm Green Tourmaline Carved Full Flower Gemstone: Warm Green Tourmaline Carved Full Flower Gemstone Expertly carved from warm green tourmaline, this unique loose gemstone depicts a complete flower (petals, stem, and leaves) all sculpted in intricate

May 25, 2026

Warm Green Tourmaline Carved Full Flower Gemstone

Est. $350-$450

$250

Weatherham Estate TreasuresCobourg, ON

Natural Rutile Peridot Gemstones, Fancy Asscher Cut Peridot Loose Gemstone From Pakistan, August: Title: Natural Rutile Peridot Gemstones, Fancy Asscher Cut Peridot Loose Gemstone From Pakistan, August Birthstone Description: Reserve: $450.00 Shipping: Domestic: Flat-rate of $25.00 to anywhere wit

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Natural Rutile Peridot Gemstones, Fancy Asscher Cut Peridot Loose Gemstone From Pakistan, August

$450

Chairish AuctionsNew York, NY

RARE 1.18 ct. Unheated Greenish Purple Sapphire TANZANIA: RARE 1.18 ct. Natural Unheated Greenish Purple Sapphire - TANZANIA Shape - Pear Color - Greenish Purple Clarity - VVS Ct. Weight - 1.18 ct. Dimensions - 8.50 x 5.00 x 3.60 mm Ori

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RARE 1.18 ct. Unheated Greenish Purple Sapphire TANZANIA

Est. $3,000-$5,000

$100

Kissing AuctionDelhi, New Delhi

4.19 Ct Natural Pink Kunzite Rare Octagon Cut: Weight - 4.19 Ct / Dimensions - 8.40 x 8.30 x 8.50 mm / Shape - Octagon Cut / Color - Sweet Pink / Clarity - VVS / Origin - Afghanisthan / Comments - None

May 22, 2026

4.19 Ct Natural Pink Kunzite Rare Octagon Cut

Est. $100-$200

$1

Gems AuctionBangkok, TH

Natural and Rare Oval Bi-color Ametrine Gemstone: Natural and Rare Oval Bi-color Ametrine Gemstone This is a natural and rare bi-color Ametrine in oval facet shape gemstone that measures at 21.65 x 16.57 x 9.93mm. The gemstone was mined in Brazil and

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Natural and Rare Oval Bi-color Ametrine Gemstone

Est. $500-$700

$205

Weatherham Estate TreasuresCobourg, ON

1.80 Carat --- Mogok Pink Ruby --- Oval Cut --- GIE Certified: a highly desirable gemstone from Myanmar (Burma) known for intense, vibrant color and exceptional fluorescence. Often described as having a rich pink-red hue, these stones feature high transparency, r

May 26, 2026

1.80 Carat --- Mogok Pink Ruby --- Oval Cut --- GIE Certified

Est. $6,000-$8,000

$80

California GemstonesSan Diego, CA

Flower of Amethyst crystals: Title: Flower of Amethyst crystals Origin: Brazil Size: 9.3 x 8.5 cm Description: Fine amethyst flower. Beautiful luster and contrast. Deeper color in person. Measurements: 93 x 85 mm Weight: 133 g Re

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Flower of Amethyst crystals

$180

Chairish AuctionsNew York, NY

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