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3 3/4' x 1 15/16' Early Ovoid, Burlington Chert, Milan Missouri, COA Keele: 3 3/4" x 1 15/16" Early Ovoid, Burlington Chert, Milan Missouri, COA Keele

5 days Left

3 3/4' x 1 15/16' Early Ovoid, Burlington Chert, Milan Missouri, COA Keele

Heartland Artifact Auctions

(2 bids)

Lovely 2.43 Ct GIA Certified Natural Emerald Pair: Amazing 2.43 Ct (1.17 Ct and 1.26 Ct) Green Emerald Pair are emerald cuts measuring 6.18 x 6.04 x 4.75 mm to 6.40 x 6.06 x 4.97 mm. Display medium tones and strong saturations. Do not miss out on thes

2 days Left

Lovely 2.43 Ct GIA Certified Natural Emerald Pair

1 Great Deal Auctions

(1 bid)

5.62 Ct Natural Green Amethyst Round Cut: Weight - 5.62 Ct / Size - 12.20 x 12.20 x 7.70 mm / Shape - Round Cut / Color - Green / Clarity - VVS / Origin - Brazil / Treatment - Heated

3 days Left

5.62 Ct Natural Green Amethyst Round Cut

(1 bid)

Coral: Approx 8 1/2" long. Shipping available

Apr 19, 2026

M.J. Stasak Jr. Auction and Appraisal Service

(1 bid)

43g Meteorite Slab. 43 grams.: 43g Meteorite Slab. 43 grams.

Apr 19, 2026

43g Meteorite Slab. 43 grams.

Heartland Artifact Auctions

(1 bid)

60g Meteorite Slab. 60 grams.: 60g Meteorite Slab. 60 grams.

Apr 19, 2026

60g Meteorite Slab. 60 grams.

Heartland Artifact Auctions

(1 bid)

Large 136g Meteorite Slab. 136 grams.: Large 136g Meteorite Slab. 136 grams.

Apr 19, 2026

Large 136g Meteorite Slab. 136 grams.

Heartland Artifact Auctions

(1 bid)

Loose Emerald Gemstones: Collection of loose emerald gemstones. Total weight approximately 0.3 oz. Sizes vary, with the smaller measuring approximately 1/8 inch. Includes various cuts and shapes.

1 day Left

Loose Emerald Gemstones

Associated Estate & Appraisal Co.

(1 bid)

Point: 5 3/8" Agate Basin point (not examined for coa)

2 days Left

Midwest Auctions

(1 bid)

6 large points: Large display with 6 pc larger flint point

2 days Left

Midwest Auctions

(1 bid)

TRIO OF GRADUATED NATURAL CLAM SHELLS: TRIO OF LARGE NATURAL CLAM SHELLS. LARGEST IS 13"X10"X4.5"

4 days Left

TRIO OF GRADUATED NATURAL CLAM SHELLS

Freedom Auction Company

(1 bid)

Featured

8ct Colombian Green Emerald Trillion Cut: a rare, high-value gem characterized by a triangular shape with brilliant, modern facets, typically displaying an intense, warm, and vivid green color. Sourced from renowned mines like Muzo or Chivor,

3 days Left

8ct Colombian Green Emerald Trillion Cut

California Gemstones

(1 bid)

Large and Fine Fossilized Sauropod Dinosaur Egg: An impressive fossil dinosaur egg, type indeterminate, preserved in natural matrix, exhibiting a well-defined rounded form and characteristic eggshell surface texture. The specimen displays the distin

3 days Left

Large and Fine Fossilized Sauropod Dinosaur Egg

Artemis Fine Arts

(1 bid)

Gorgeous 1.68 Ct GIA Certified Natural Emerald: Beautiful 1.68 Ct Green Emerald measuring 12.10 x 6.20 x 4.14 mm with a brilliant marquise cut. Displays an incredible green color and would make a perfect center stone! Origin: Colombia. Please see t

2 days Left

Gorgeous 1.68 Ct GIA Certified Natural Emerald

1 Great Deal Auctions

Large Rare 15.54 Ct GIA Certified Natural Opal: This breathtaking 15.54 Ct White Opal measures 24.27 x 13.18 x 11.20 mm with a double cabochon oval cut. Displays a play of colors and would be a great addition to any collection! Origin: Ethiopia. Pl

2 days Left

Large Rare 15.54 Ct GIA Certified Natural Opal

1 Great Deal Auctions

Amazing 3.00 Ct GIA Certified Natural Garnet: Beautiful 3.00 Ct Vivid Fanta Orange Garnet measuring 8.48 x 6.97 x 5.34 mm with a brilliant oval cut. Displays a gorgeous and bright, orange hue with strong saturation. Do not miss this one!!! Origin

2 days Left

Amazing 3.00 Ct GIA Certified Natural Garnet

1 Great Deal Auctions

Stunning 1.41 Ct GIA Certified Natural Emerald: Graceful 1.41 Ct Green Emerald is a cushion sugarloaf double cabochon cut measuring 7.11 x 5.99 x 4.50 mm. Reveals strong saturation with a medium tone. Do not miss this precious gem! Origin: Brazil.

2 days Left

Stunning 1.41 Ct GIA Certified Natural Emerald

1 Great Deal Auctions

GIA Certified 11.16 Ct Natural Aquamarine: Large Untreated VVS1 11.16 Ct Blue Aquamarine is an oval brilliant cut measuring 17.53 x 13.37 x 8.49 mm. Reveals a stunning, light tone. Would make a perfect addition to any jewelry collection! Origi

2 days Left

GIA Certified 11.16 Ct Natural Aquamarine

1 Great Deal Auctions

Pretty IGI Certified 1.23 Ct Natural Sapphire: Vivid 1.23 Ct Pinkish Purple Sapphire measuring 6.24 x 5.54 x 4.26 mm with a mixed oval cut. The color and tone on this sapphire is absolutely stunning! Treatment: None. Please see the certification f

2 days Left

Pretty IGI Certified 1.23 Ct Natural Sapphire

1 Great Deal Auctions

Beautiful 2.77 Ct GIA Certified Natural Emerald: Impressive 2.77 Ct Green Emerald is a cushion sugarloaf double cabochon cut measuring 7.99 x 7.90 x 6.04 mm. Displays a medium dark tone. Would make a great addition to any jewelry collection!!! Origi

2 days Left

Beautiful 2.77 Ct GIA Certified Natural Emerald

1 Great Deal Auctions

GIA Certified 6.84 Ct GIA Certified Natural Sapphire: Elegant 6.84 Ct Teal Blue Mermaid Sapphire is an oval brilliant cut measuring 11.50 x 10.05 x 6.79 mm. This investment-grade sapphire displays a dark tone and moderately strong saturation. Do not miss

2 days Left

GIA Certified 6.84 Ct GIA Certified Natural Sapphire

1 Great Deal Auctions

Elegant 1.66 Ct IGI Certified Natural Sapphire: Lovely VVS1 1.66 Ct Teal Blue Sapphire is a cushion mixed cut measuring 6.70 x 6.48 x 4.58 mm. Reveals a dark tone and incredible hue. This gemstone is stunning!!! Origin: Ethiopia. Treatment: Heat on

2 days Left

Elegant 1.66 Ct IGI Certified Natural Sapphire

1 Great Deal Auctions

Pretty GIA Certified 1.37 Ct Natural Emerald: Stunning 1.37 Ct Brilliant Pear Cut Green Emerald measuring 8.77 x 6.10 x 5.13 mm. Showcasing a gorgeous green color, this gem is sure to impress. Origin: Colombia. Please see the certification for ad

2 days Left

Pretty GIA Certified 1.37 Ct Natural Emerald

1 Great Deal Auctions

Elegant 2.23 Ct GIA Certified Natural Garnet: Stunning 2.23 Ct Vivid Fanta Orange Garnet measuring 7.76 x 6.54 x 4.50 mm with a brilliant cushion cut. Displays a strong, admirable color. You do not want to miss this one! Treatment: None. Origin:

2 days Left

Elegant 2.23 Ct GIA Certified Natural Garnet

1 Great Deal Auctions

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