Modern Fossils

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0.267 Carat Round Brilliant Cut I-SI1 Natural Diamond CGL Certified: This item is a loose natural diamond accompanied by a certificate from the Central Gem Laboratory (CGL) of Japan, report number O2150734. The gemstone is a round brilliant cut with a weight of 0.267 c

2026

0.267 Carat Round Brilliant Cut I-SI1 Natural Diamond CGL Certified

Gallery 63Atlanta, GA

Small tourist bag of shells: Several different kinds of shells purchased from a tourism spot.

2026

Small tourist bag of shells

Triune Care 333Maumelle, AR

Starfish and Sand Dollars: in excellent shape these guys are rare to find

2026

Starfish and Sand Dollars

Triune Care 333Maumelle, AR

Bagged and Tagged shells: Several shells identified and labeled

2026

Bagged and Tagged shells

Triune Care 333Maumelle, AR

Assorted Bag of Small Shells: All kinds of natural sea shells that have been personally collected by owner.

2026

Assorted Bag of Small Shells

Triune Care 333Maumelle, AR

Mixed lot of seashells large clams: See photos for all shells but there are some large nice clam shells

2026

Mixed lot of seashells large clams

Triune Care 333Maumelle, AR

Large Lot of Raw Montana Sapphires Over 200 Carats: Large lot of seven raw Montana sapphires, measuring over 200 carats total weight. Pale blue coloration. Size range from 16 to 49 carats; measures 9.15 x 10.1 x 14.73 mm to 16.12 x 15.04 x 16.07 mm.

2026

Large Lot of Raw Montana Sapphires Over 200 Carats

Affiliated AuctionsTallahassee, FL

Large Lot Over 300 Carats of Raw Montana Sapphire: Lot of 18 raw Montana sapphires, 321 carats. Colors vary, ranging from purple to pale blue to green. Sizes range from 2.5 carats to 39.5 carats; measures range from approximately 7.08 x 7.36 x 4.34 mm

2026

Large Lot Over 300 Carats of Raw Montana Sapphire

Affiliated AuctionsTallahassee, FL

Lot of Raw Emerald Gemstones Over 170 Carats: A lot of five raw emeralds, 175.5 carats total. Weights range 9.5 carats to 70 carats; measures 9.25 mm x 9.02 mm x 13.76 mm to 20.34 mm x 27.35 mm x 22.72 mm.

2026

Lot of Raw Emerald Gemstones Over 170 Carats

Affiliated AuctionsTallahassee, FL

Raw Emerald Large Lot Over 140 Carats: A large lot of seven raw emeralds. Total weight is 146 carats, with individual weight ranging from 6.5 carats to 40 carats; sizes range from 12.80 mm x 10.44 mm x 6.71 mm to 21.98 mm x 22.36 mm x 13.2

2026

Raw Emerald Large Lot Over 140 Carats

Affiliated AuctionsTallahassee, FL

9 Carats Round Lemon Quartz - 13X13X12 mm: 9 Carats Round Lemon Quartz - 13X13X12 mm Shipping Rate: FREE SHIPPINGshipping rates are FREE WORL

2026

9 Carats Round Lemon Quartz - 13X13X12 mm

Fantasy JewelryMuscat, AE

21.73 Ct Natural Peanut Obsidian Pear Cab: weight - 21.73 Ct / Dimensions - 28.00 x 18.90 x 6.40 mm / Shape - Excellent Pear Cab / Origin - Brazil / Treatment - None

2026

21.73 Ct Natural Peanut Obsidian Pear Cab

Gems AuctionBangkok, TH

7.85 Ct Natural Green Amethyst Oval Soccer Cut: Weight - 7.85 Ct / Dimensions -13.60 x 11.80 x 9.70 mm / Shape - Oval Cut / Color - Green / Clarity - VVS / Origin - Brazil / Treatment - Heated

2026

7.85 Ct Natural Green Amethyst Oval Soccer Cut

Gems AuctionBangkok, TH

4.24 Ct Natural Sillimanite Catseye Oval Cab: weight - 4.24 Ct / Dimensions - 10.80 x 8.50 x 5.50 mm / Shape - Excellent Oval Cab / Origin - India / Treatment - None

2026

4.24 Ct Natural Sillimanite Catseye Oval Cab

Gems AuctionBangkok, TH

3.27 Ct Natural Lemon Quartz Fancy Cut: Weight - 3.27 Ct / Dimensions - 13.80 x 8.40 x 5.40 mm / Top Quality Luster / Excellent Fancy Cut / Origin - Brazil / Comments - Heated

2026

3.27 Ct Natural Lemon Quartz Fancy Cut

Gems AuctionBangkok, TH

8.50 Ct Natural Orange Carnelian Pear Cut: Weight - 8.50 Ct / Dimensions - 23.00 x 14.30 x 4.40 mm / Shape & Cut - Pear Cut / Transparency - Semi - Opaque / Origin - Brazil

2026

8.50 Ct Natural Orange Carnelian Pear Cut

Gems AuctionBangkok, TH

11.70 Ct Natural Labradorite Round Beads: Weight - 11.70 Ct / Dimensions - 7.10 - 7.50 mm / 9 Pc's / Shape - Excellent Round Beads / Clarity - Opaque / Origin - Africa / Treatment - None

2026

11.70 Ct Natural Labradorite Round Beads

Gems AuctionBangkok, TH

1.75 Ct Natural Pariba Green Tourmaline Oval Cab: Weight : 1.75 Ct / Dimensions : 7.70 x 7.00 x 4.50 mm / Shape : Oval Cab / Color : green / Transparency : Opaque / Treatment : No any treatment

2026

1.75 Ct Natural Pariba Green Tourmaline Oval Cab

Gems AuctionBangkok, TH

1.68 Ct Natural Purple Amethyst Pear Cut: Weight - 1.68 Ct / Dimensions - 8.50 x 8.00 x 5.40 mm / Shape - Pear Cut / Color - Purple / Clarity - VVS / Origin -Brazil / Treatment - Heated

2026

1.68 Ct Natural Purple Amethyst Pear Cut

Gems AuctionBangkok, TH

0.55 Ct Natural Zambian Green Emerald Square Cut: Weight - 0.55 Ct / Dimensions - 5.40 x 5.00 x 3.00 mm / Shape - Square Cut / Color - Green / Clarity - SI / Origin - Zambia / Treatment - Natural Emeralds are commonly enhanced by oil

2026

0.55 Ct Natural Zambian Green Emerald Square Cut

Gems AuctionBangkok, TH

13.70 Ct Natural Rhodochrosite OVal Cab: Weight - 13.70 Ct / Size -21.00 x 14.20 x 4.30 mm / Shape - OVal Cab / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

13.70 Ct Natural Rhodochrosite OVal Cab

Gems AuctionBangkok, TH

2.77 Ct Natural Champagne Topaz Oval Cut: Weight - 2.77 Ct / Size - 10.40 x 7.10 x 4.60 mm / Top Class Quality / Oval Cut / Origin - Brazil / Treatment - None

2026

2.77 Ct Natural Champagne Topaz Oval Cut

Gems AuctionBangkok, TH

1.20 Ct Natural Green Peridot Octagon Cut: Weight - 1.20 Ct / Dimensions - 7.00 x 5.00 x 3.50 mm / Shape - Octagon Cut / Color - Green / Clarity - VVS / Origin - Pakistan / Treatment - None

2026

1.20 Ct Natural Green Peridot Octagon Cut

Gems AuctionBangkok, TH

18.06 Ct Natural Chrome-Chalcedony Oval Cab: weight - 18.06 Ct / Dimensions - 32.00 x 13.80 x 4.90 mm / Shape - Excellent Oval Cab / Origin - Brazil / Treatment - None

2026

18.06 Ct Natural Chrome-Chalcedony Oval Cab

Gems AuctionBangkok, TH

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Fossils Auctions

Saber-Toothed Tiger Fossil Skull, Late Miocene — Complete Dentition

Mimbres Black-on-White Pottery Bowl - Standing Woman, Kill Hole

Persian Siljuk Bronze Lamp Stand, Khorasan Region

Fine Fossils, Native American, Asian, Ethno

Artemis Fine Arts

Starts on:

Louisville, CO, US

Michoacan Pottery Figure - Seated Dignitary in Headdress

Prehistoric Complete Oreodont Femur Bone Fossil

18th c. Italian Engraving after Reni - Apollo & Aurora

VARIETY SALE Pre-Columbian, Ethnographic Art

Artemis Fine Arts

Starts on:

Louisville, CO, US

4 11/16" Thebes, Dickey COA, Calhoun Co., Illinois, Found Near the Illinois River

18" x 8 1/2" Large Mammoth Jaw and Tooth Fossil, Recovered from Alaskan Permafrost

10 3/4" Pre-Columbian Moche Culture Stirrup Vessel, Northern Coastal Peru

Pre-Columbian, Native American Artifacts

Heartland Artifact Auctions

Starts on:

Quincy, IL, US

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