Results for “Rare Rocks”

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10.05 Carat ---- Teal Sapphire---- Round Cut ---- EGL Certified: Teal sapphire is a rare, substantial, and highly valuable gemstone, used as a statement piece in luxury jewelry, such as large engagement rings, pendants, or collector's items. These stones are known

May 26, 2026

10.05 Carat ---- Teal Sapphire---- Round Cut ---- EGL Certified

Est. US$19,000-US$21,000

US$100

California GemstonesSan Diego, CA

6.85 Carats Natural Rare Lagoon Tourmaline Gemstone - 11X10X9 mm: 6.85 Carats Natural Rare Lagoon Tourmaline Gemstone - 11X10X9 mm Shipping Rate: FREE SHIPPINGshipping rates are FREE WORLDWIDECombined shipping: We offer combine shipping on multiple items purchased t

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6.85 Carats Natural Rare Lagoon Tourmaline Gemstone - 11X10X9 mm

US$1,500

Fantasy JewelryMuscat, AE

High-Ice Violet Jadeite Rough Stone: High-Ice Violet Jadeite Rough Stone: Natural jadeite rough stone revealing high-ice violet texture at the window, transparent water head, rich color and fine window carving, attached with inspection c

Jun 06, 2026

High-Ice Violet Jadeite Rough Stone

Est. US$4,000-US$8,000

US$1,000

Amazing International GroupClaremont, CA

12.45 Carat ---- Burmese Pink Ruby---- Emerald Step Cut ---- EGL Certified: Burmese pink ruby with an emerald step cut is a significant and rare gemstone. At this weight, it is considered an exceptionally large specimen, as gem-quality Burmese rubies typically occur in much s

May 26, 2026

12.45 Carat ---- Burmese Pink Ruby---- Emerald Step Cut ---- EGL Certified

Est. US$20,000-US$25,000

US$100

California GemstonesSan Diego, CA

6.70 Carat ---- Burmese Red Ruby---- Pear Cut ---- GIR Certified: a significant and rare gemstone, likely originating from the historic Mogok Valley, renowned for producing the world’s finest rubies.

May 26, 2026

6.70 Carat ---- Burmese Red Ruby---- Pear Cut ---- GIR Certified

Est. US$35,000-US$43,000

US$100

California GemstonesSan Diego, CA

7.65 Carat --- Burmese Blood Ruby --- Round Cut: A highly saturated, vibrant red gemstone. Top-tier genuine Burma origin, from the Mogok Valley.Unheated/untreated rubies are significantly more valuable than heat-treated, with prices potentially bein

May 30, 2026

7.65 Carat --- Burmese Blood Ruby --- Round Cut

Est. US$55,000-US$56,000

US$185

California GemstonesSan Diego, CA

Qianlong Mark Tianhuang Stone Gathering Friends Under Pine Ornament: Qianlong Tianhuang Pine Gathering Friends Mountain Ornament: Mild translucent Tianhuang stone free-form carved with pine mountain gathering scene, meticulous depiction of figures, rocks and trees, dis

Jun 06, 2026

Qianlong Mark Tianhuang Stone Gathering Friends Under Pine Ornament

Est. US$2,000-US$4,000

US$500

Amazing International GroupClaremont, CA

13.25 Carat --- Bi Color Natural Alexandrite --- Trillion Cut --- EGL Certified: A 13.25-carat, trillion-cut, bi-color alexandrite is an exceptionally rare and large specimen of chrysoberyl, likely featuring a dramatic, "chameleon-like" color transformation between daylight and in

May 26, 2026

13.25 Carat --- Bi Color Natural Alexandrite --- Trillion Cut --- EGL Certified

Est. US$15,000-US$17,000

US$100

California GemstonesSan Diego, CA

10.55 Carat --- Myanmar Red Ruby --- Emerald Step Cut: Natural red ruby from Myanmar features a distinct emerald step cut, offering a rare combination of high carat weight, deep, "pigeon's blood" red hue, and exceptional clarity. Sourced from the famous M

May 26, 2026

10.55 Carat --- Myanmar Red Ruby --- Emerald Step Cut

Est. US$16,000-US$18,000

US$50

California GemstonesSan Diego, CA

9.30 Carat -- Blue San Carlos Benitoite --Oval Cut --- Certified: A brilliant, triangular trillion cut is a rare and striking gemstone. The striking angular cut maximizes brilliance, fire, and color saturation, bringing out vivid oceanic tones. A . fine stone with d

Jun 01, 2026

9.30 Carat -- Blue San Carlos Benitoite --Oval Cut --- Certified

Est. US$35,000-US$45,000

US$450

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.

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

Est. US$17,000-US$19,000

US$150

California GemstonesSan Diego, CA

6.85 Carats Natural Rare Lagoon Tourmaline Gemstone - 11X10X9 mm: 6.85 Carats Natural Rare Lagoon Tourmaline Gemstone - 11X10X9 mm Shipping Rate: FREE SHIPPINGshipping rates are FREE WORLDWIDECombined shipping: We offer combine shipping on multiple items purchased t

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6.85 Carats Natural Rare Lagoon Tourmaline Gemstone - 11X10X9 mm

Est. US$2,000-US$3,000

US$1,250

Fantasy JewelryMuscat, AE

9.30 Carat -- Blue San Carlos Benitoite --Oval Cut --- Certified: A 9.30-carat blue Benitoite of "San Carlos" (San Benito County, California) origin is an exceptionally rare, historically significant, and high-value gemstone. Benitoite is the official state gemstone

Jun 01, 2026

9.30 Carat -- Blue San Carlos Benitoite --Oval Cut --- Certified

Est. US$40,000-US$45,000

US$550

California GemstonesSan Diego, CA

Rare trilobite Crotalocephalus africanus: Title: Rare trilobite Crotalocephalus africanus Origin: Morocco Size: c. 4 cm long trilobite Description: Species: Crotalocephalus africanus Age: Devonian Locality: Jorf, Morocco Measurements: c. 4 cm

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Rare trilobite Crotalocephalus africanus

US$650

Chairish AuctionsNew York, NY

High-Ice Full Green Jadeite Rough Stone: High-Ice Full-Green Jadeite Rough Stone: Natural jadeite rough stone revealing high-ice full-green texture at the window, transparent water head, rich color and fine window carving, attached with cert

Jun 06, 2026

High-Ice Full Green Jadeite Rough Stone

Est. US$2,000-US$5,000

US$600

Amazing International GroupClaremont, CA

RARE 2.84 ct. Unheated Yellow Green Demantoid Garnet: RARE 2.84 ct. Natural Unheated Yellow Green Demantoid Garnet - MADAGASCAR Cut - Octagon Color - Yellow-Green Clarity - VVS Ct. Weight - 2.84 ct. Dimensions - 7.33 x 6.95 x 5.97 mm <

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RARE 2.84 ct. Unheated Yellow Green Demantoid Garnet

US$2,000

Kissing AuctionDelhi, New Delhi

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11 Carat Green Tsavorite Garnet Round Cut GGI Certified: Based on the search results, an 11-carat round green garnet, typically identified as Tsavorite, is a rare, high-value, and intense gemstone, originating from Kenya

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11 Carat Green Tsavorite Garnet Round Cut GGI Certified

Est. US$22,000-US$24,000

US$100

California GemstonesSan Diego, CA

A RARE SCOLECITE SPECIMEN FORMATION: Rare and delicate scolecite specimen from the Deccan Basalts, Aurangabad, Maharashtra, India 9" wide.

Jun 15, 2026

A RARE SCOLECITE SPECIMEN FORMATION

Est. US$175-US$250

US$150

J. Greenstein & Co., Inc.Cedarhurst, NY

6.85 Carats Natural Rare Lagoon Tourmaline Gemstone - 11X10X9 mm: 6.85 Carats Natural Rare Lagoon Tourmaline Gemstone - 11X10X9 mm Shipping Rate: FREE SHIPPINGshipping rates are FREE WORLDWIDECombined shipping: We offer combine shipping on multiple items purchased t

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6.85 Carats Natural Rare Lagoon Tourmaline Gemstone - 11X10X9 mm

US$1,500

Fantasy JewelryMuscat, AE

Honey Brown Bastnaesite Gemstone: 5.05 CT Loupe Clean Cushion Cut: Highlights Supplies for making crafts Read the full description Materials: jewels, gemstones, mining, minerals, Brown Bastnasite, Bastnasite loosegemstone, Faceted Bastnasite, Bastnasite, Rare gemston

Honey Brown Bastnaesite Gemstone: 5.05 CT Loupe Clean Cushion Cut

Est. US$1,100-US$1,500

US$440

Chairish AuctionsNew York, NY

GIA Certified 0.70ct Round Brilliant Diamond - Rare D Color, VS1, Excellent Cut: GIA Certified 0.70ct Round Brilliant Diamond - Rare D Color, VS1, Excellent Cut This is a high-quality "Collection Grade" diamond. Boasting the h

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GIA Certified 0.70ct Round Brilliant Diamond - Rare D Color, VS1, Excellent Cut

Est. US$3,500-US$4,300

US$12

S.Y.EL Diamonds LTDRamat Gan, Israel

Goliath cacicus: The famous Goliath cacicus beetle from Africa, these monsters are highly sought after because of their size and rare shimmery shells! Cacicus' are so prized becuase they have a beautiful metalic irred

May 31, 2026

Goliath cacicus

Est. US$285-US$500

US$285

The Butterfly Company LLCChicago, IL

2.94 Carat --Mogok Blood Red Ruby -- Oval Cut --GIE Certified: Characterized by an intense "Blood Red" color and high-quality, unheated, and transparent, offers immense value due to its rare Burmese origin. These rubies are renowned for their exceptional clarity

Jun 01, 2026

2.94 Carat --Mogok Blood Red Ruby -- Oval Cut --GIE Certified

Est. US$32,400-US$35,000

US$85

California GemstonesSan Diego, CA

Full Green Jadeite Rough Stone: Full-Green Jadeite Rough Stone: Natural jadeite rough stone showing full-green tone at the window, mild water head, rich color and refined window craft; Height approx 19cm, weight 2000g, compact shape

Jun 06, 2026

Full Green Jadeite Rough Stone

Est. US$2,000-US$5,000

US$600

Amazing International GroupClaremont, CA

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