Modern Fossils

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Loose Diamond - RADIANT 2.51ct Fancy Vivid Blue VS2: Loose Diamond - RADIANT 2.51ct Fancy Vivid Blue VS2 Source: This is a real non-mined Diamond that has been grown in a lab Shape: RADIANT Carats: 2.51 Color: Fancy Vivid Blue Certification: IGI Video:

2026

Loose Diamond - RADIANT 2.51ct Fancy Vivid Blue VS2

Diamond DepotNew York, NY

Loose Diamond - CUSHION MODIFIED 1.04ct Fancy Vivid Green VVS2: Loose Diamond - CUSHION MODIFIED 1.04ct Fancy Vivid Green VVS2 Source: This is a real non-mined Diamond that has been grown in a lab Shape: CUSHION MODIFIED Carats: 1.04 Color: Fancy Vivid Green Certi

2026

Loose Diamond - CUSHION MODIFIED 1.04ct Fancy Vivid Green VVS2

Diamond DepotNew York, NY

10 Pieces - Round Cut Tanzanite Gemstones - Light Purple: These stones measure 2.5 - 3.25mm. Nicely cut and color. Lot of 12 stones.

2026

10 Pieces - Round Cut Tanzanite Gemstones - Light Purple

Castle Manor CorporationMurfreesboro, TN

12 Square Cut Peridot Gemstones - 4 x 4 - Genuine Peridot: Nicely cut and nice color - a lot of square cut Peridot Gemstones.

2026

12 Square Cut Peridot Gemstones - 4 x 4 - Genuine Peridot

Castle Manor CorporationMurfreesboro, TN

Square Cut Peridot Gemstones - 13 4 x 4 pieces: Nicely cut and nice color in this lot of 13 Peridot square cut gemstones.

2026

Square Cut Peridot Gemstones - 13 4 x 4 pieces

Castle Manor CorporationMurfreesboro, TN

12 Pieces of Trillion Cut Tanzanite Gemstones - 2.5 - 3mm.: Nicely Cut Trillion (triangle) Tanzanite Gemstones. Nice color - light to medium purple.

2026

12 Pieces of Trillion Cut Tanzanite Gemstones - 2.5 - 3mm.

Castle Manor CorporationMurfreesboro, TN

18.3 ct. Noble Trillion Purple Amethyst Gemstone: Looking for that Pendant Center stone? This is really nice! The trillion cut makes it unique and it has a deep purple color with bits of deep pink showing.

2026

18.3 ct. Noble Trillion Purple Amethyst Gemstone

Castle Manor CorporationMurfreesboro, TN

13.12 Carats Natural Ammonite Fossil Pair Loose Stone, 57WJ: This matched pair of genuine natural ammonite fossil stones features warm earthy amber-brown mineralization formed through millions of years of fossilization processes. Distinct preserved shell chambe

2026

13.12 Carats Natural Ammonite Fossil Pair Loose Stone, 57WJ

Lazo HeritageBangkok, TH

Tourmaline 5 ct Pear Cut Gem: Beautiful pear cut approx. 5 carat tourmaline. Will be amazing in your jewelry Gem Stones.

2026

Tourmaline 5 ct Pear Cut Gem

GOLDEN SUN AUCTIONS, Inc.Fullerton, CA

87ct Natural Tanzanian Ruby Zoisite Raw Rough Specimen Mineral Stone, 21YQ: This unpolished mineral rough is natural ruby zoisite sourced from Tanzania, exhibiting distinct banded mineral segregation of vibrant green zoisite, magenta ruby crystals, and dark hornblende inclusi

2026

87ct Natural Tanzanian Ruby Zoisite Raw Rough Specimen Mineral Stone, 21YQ

Lazo HeritageBangkok, TH

$0.52 Carats Natural Deep Blue Sapphire Faceted Loose Gemstone, 56YE: This specimen is composed of natural sapphire, finished with uniform faceting to optimize light refraction through its crystalline interior. The mineral carries rich deep blue colour saturation with s$

2026

0.52 Carats Natural Deep Blue Sapphire Faceted Loose Gemstone, 56YE

Lazo HeritageBangkok, TH

27.35ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 81YP: Natural sliced slab rough of Queensland boulder opal cutting grade, featuring rich color ironstone matrix with patterns. The face clearly reveals extensive opal veining and pocket formations running t

2026

27.35ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 81YP

Lazo HeritageBangkok, TH

9.70 Carats Natural Ceylon White Moonstone Loose Gemstone, 42WJ: This natural Ceylon white moonstone holds dimensions of 18.2x11.5x6.1mm, a well-polished natural feldspar gemstone sourced from Ceylon's renowned moonstone mineral deposits famous for distinctive ligh

2026

9.70 Carats Natural Ceylon White Moonstone Loose Gemstone, 42WJ

Lazo HeritageBangkok, TH

1.68 Carats Natural Soft Sky Blue Oval Faceted Tourmaline Loose Gemstone, 95YG: Natural translucent pale sky blue tourmaline precisely oval faceted loose gemstone, multi-brilliant cut delivers soft diffused light sparkle, showcasing a serene icy aqua-blue tone throughout the crys

2026

1.68 Carats Natural Soft Sky Blue Oval Faceted Tourmaline Loose Gemstone, 95YG

Lazo HeritageBangkok, TH

16.10ct Natural Purple Violet Topaz Oval Loose Faceted Gemstone, LZ540: This natural oval faceted topaz weighs 16.10 carats with precise dimensions of 18.4x14.1x8.7mm. It boasts a mesmerizing gradient purple-violet color scheme, featuring deep saturated royal purple along

2026

16.10ct Natural Purple Violet Topaz Oval Loose Faceted Gemstone, LZ540

Lazo HeritageBangkok, TH

43.38ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 35YP: Natural sliced slab rough of Queensland boulder opal cutting grade, featuring rich color ironstone matrix with patterns. The face clearly reveals extensive opal veining and pocket formations running t

2026

43.38ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 35YP

Lazo HeritageBangkok, TH

60ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 84YQ: This natural corundum rough is an unheated purplish blue sapphire sourced from Sri Lankan alluvial gem deposits, featuring an irregular natural native form with residual pale yellow-brown mineral matr

2026

60ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 84YQ

Lazo HeritageBangkok, TH

14.41ct Natural Mauritania Ruby Rough (Unheated), 62XE: This unheated Mauritania ruby rough is a captivating natural crystal specimen, featuring vivid magenta-purple ruby formations embedded in a contrasting greyish matrix. The stone's rugged, unpolished s

2026

14.41ct Natural Mauritania Ruby Rough (Unheated), 62XE

Lazo HeritageBangkok, TH

64.76ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 38YL: Natural sliced slab rough of Queensland boulder opal cutting grade, featuring rich color ironstone matrix with patterns. The face clearly reveals extensive opal veining and pocket formations running t

2026

64.76ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 38YL

Lazo HeritageBangkok, TH

82ct Natural Tanzanian Ruby Zoisite Raw Rough Specimen Mineral Stone, 10YQ: This unpolished mineral rough is natural ruby zoisite sourced from Tanzania, exhibiting distinct banded mineral segregation of vibrant green zoisite, magenta ruby crystals, and dark hornblende inclusi

2026

82ct Natural Tanzanian Ruby Zoisite Raw Rough Specimen Mineral Stone, 10YQ

Lazo HeritageBangkok, TH

13.03ct Natural Mauritania Ruby Rough (Unheated), 84XE: This unheated Mauritania ruby rough is a captivating natural crystal specimen, featuring vivid magenta-purple ruby formations embedded in a contrasting greyish matrix. The stone's rugged, unpolished s

2026

13.03ct Natural Mauritania Ruby Rough (Unheated), 84XE

Lazo HeritageBangkok, TH

71.14ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 30YL: Natural sliced slab rough of Queensland boulder opal cutting grade, featuring rich color ironstone matrix with patterns. The face clearly reveals extensive opal veining and pocket formations running t

2026

71.14ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 30YL

Lazo HeritageBangkok, TH

35ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 33YQ: This natural corundum rough is an unheated purplish blue sapphire sourced from Sri Lankan alluvial gem deposits, featuring an irregular natural native form with residual pale yellow-brown mineral matr

2026

35ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 33YQ

Lazo HeritageBangkok, TH

46.06ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 99YL: Natural sliced slab rough of Queensland boulder opal cutting grade, featuring rich color ironstone matrix with patterns. The face clearly reveals extensive opal veining and pocket formations running t

2026

46.06ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 99YL

Lazo HeritageBangkok, 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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