Alfonso Mazzuchelli Gems

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7.19ct Natural Pink Topaz Cushion Cut Matched Pair Loose Gemstones, 92TG: Natural pink topaz fashioned into a matched pair of cushion mixed cuts with polished table and brilliant pavilion facets. The stones display a saturated vivid hot pink body color with excellent transp

2026

7.19ct Natural Pink Topaz Cushion Cut Matched Pair Loose Gemstones, 92TG

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

1.84 Carats Natural Pinkish Purple Rhodolite Garnet Faceted Loose Gemstone, 67WY: This garnet material forms within natural geological formations and undergoes precise faceting and high-gloss polishing via professional lapidary techniques. Minor internal pinpoint inclusions and fai

2026

1.84 Carats Natural Pinkish Purple Rhodolite Garnet Faceted Loose Gemstone, 67WY

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

2.21ct Spessartite Garnet Gemstone: 2.21ct Spessartite Garnet Gemstone measuring 9 x 7mm. Spessartite garnet is celebrated as the "Garnet of the Sun." Spiritually, this rare, fiery orange gem is a powerful stone of manifestation, creati

2026

2.21ct Spessartite Garnet Gemstone

Hollywood, FL

Lion and Unicorn

4.7

(2.5k)

116ct Natural Peruvian Chrysocolla Polished Slab Rough, 94YS: This partial-polished chrysocolla slab features blended mineral matrix with smooth refined face and unaltered natural rugged edge across its 50x24x11mm elongated form, translucent mineral layers hold

2026

116ct Natural Peruvian Chrysocolla Polished Slab Rough, 94YS

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

2.70 Carats Natural 6 Ray Blue Star Sapphire Loose Gemstone, 45XX: This star sapphire is crafted from natural corundum deposits and refined into a sleek polished cabochon form through professional lapidary finishing procedures. The distinct six-ray star asterism disp

2026

2.70 Carats Natural 6 Ray Blue Star Sapphire Loose Gemstone, 45XX

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

2.38 Carats Natural Deep Blue Loose Sapphire Oval Faceted Gemstone, 93XZ: Natural rich saturated blue corundum sapphire precision faceted loose gemstone, crafted with mixed brilliant facets to deliver strong light reflection and deep uniform blue color saturation. The cryst

2026

2.38 Carats Natural Deep Blue Loose Sapphire Oval Faceted Gemstone, 93XZ

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

2.51 Carats Natural 6 Ray Blue Star Sapphire Loose Gemstone, 49XX: This star sapphire is crafted from natural corundum deposits and refined into a sleek polished cabochon form through professional lapidary finishing procedures. The distinct six-ray star asterism disp

2026

2.51 Carats Natural 6 Ray Blue Star Sapphire Loose Gemstone, 49XX

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

7.04ct Natural Pink Topaz Cushion Cut Matched Pair Loose Gemstones, 88TG: Natural pink topaz fashioned into a matched pair of cushion mixed cuts with polished table and brilliant pavilion facets. The stones display a saturated vivid hot pink body color with excellent transp

2026

7.04ct Natural Pink Topaz Cushion Cut Matched Pair Loose Gemstones, 88TG

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

3.04 Carats Natural Madagascar Ruby Emerald Cut Loose Gemstone, 85XM: This natural Madagascar ruby is fashioned in a traditional emerald step faceted cut, showcasing deep saturated red tones typical of Malagasy corundum. Distinct natural internal fissures, fine mineral

2026

3.04 Carats Natural Madagascar Ruby Emerald Cut Loose Gemstone, 85XM

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

5.12ct Natural Pink Topaz Cushion Cut Matched Pair Loose Gemstones, 96TG: Natural pink topaz fashioned into a matched pair of cushion brilliant cuts with polished table and symmetrical pavilion facets. The stones exhibit a saturated vivid hot pink body color with high trans

2026

5.12ct Natural Pink Topaz Cushion Cut Matched Pair Loose Gemstones, 96TG

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

35ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 50YQ: 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, 50YQ

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

4.69 Carats Natural Purple Amethyst Oval Faceted Pair Loose Gemstone, 27XX: Natural crystalline amethyst material processed with precision oval faceting for the matched gem pair, exhibiting rich saturated violet hue alongside subtle natural internal inclusions inherent to unt

2026

4.69 Carats Natural Purple Amethyst Oval Faceted Pair Loose Gemstone, 27XX

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

1934D $10 Silver Certificate Fr# 1705 Julian Snyder PCGS GEM 65: 1934D $10 Silver Certificate Fr# 1705 Julian Snyder PCGS GEM 65 This 1934D $10 Silver Certificate features a striking blue design and is certified by PCGS Currency as GEM 65 PPQ. This uncirculated not

2026

1934D $10 Silver Certificate Fr# 1705 Julian Snyder PCGS GEM 65

New York, NY

Mynt Auctions

4.5

(914)

6.95 Carats Natural Ethiopia Welo Opal Oval Cabochon Parcel, 88WC: This parcel consists of six polished oval cabochons of genuine natural Ethiopia Welo Opal sourced from the famous Welo opal mining region. Each calibrated gem measures approximately 9x6x3mm, crafted w

2026

6.95 Carats Natural Ethiopia Welo Opal Oval Cabochon Parcel, 88WC

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

1.75 Carats Natural Ethiopian Welo Blue Fire Opal Oval Faceted Loose Gemstone, 92TS: This opal material is mined from the Welo deposits of Ethiopia and processed with professional faceted lapidary work with uniform polished facets across the gem surface. Natural subtle internal textur

2026

1.75 Carats Natural Ethiopian Welo Blue Fire Opal Oval Faceted Loose Gemstone, 92TS

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

Natural Purple Amethyst Gemstones 5.50 Ct. Fancy Shape 14 x 9.6 Mm.: Product ID: 800325412 Product Name: Natural Amethyst Weight: 5.50 CT. Size: 14 x 9.6 x 6.2 MM. Shape: Fancy Shape Color: Purple Clarity:VSI Luster: Good Gems Origin: Brazil Treatment: Unheated Crystal

2026

Natural Purple Amethyst Gemstones 5.50 Ct. Fancy Shape 14 x 9.6 Mm.

Lake Charles, LA

Treasure of Gems & Jewelry

4.5

(267)

Natural Purple Amethyst Gemstones 4.37 Ct. Cushion Shape 13 x 8.5 Mm.: Product ID: 800325697 Product Name: Natural Amethyst Weight: 4.37 CT. Size: 13 x 8.5 x 6.1 MM. Shape: Cushion Shape Color: Purple Clarity:VSI Luster: Good Gems Origin: Brazil Treatment: Unheated Cryst

2026

Natural Purple Amethyst Gemstones 4.37 Ct. Cushion Shape 13 x 8.5 Mm.

Lake Charles, LA

Treasure of Gems & Jewelry

4.5

(267)

Natural Green Blueish Grandidierite Gemstones 1.83 Ct. Octagon Shape 10 x 5 Mm.: Product ID: 803100091 Product Name: Natural Tsavorite Weight: 1.83 CT. Size: 10 x 5 x 4.1 MM. Shape: Octagon Color: Green Blueish Clarity:SI1 Luster: Good Gems Origin: Madagascar Treatment: Unheated C

2026

Natural Green Blueish Grandidierite Gemstones 1.83 Ct. Octagon Shape 10 x 5 Mm.

Lake Charles, LA

Treasure of Gems & Jewelry

4.5

(267)

Natural Genuine Mutil-Color Green Jade Gemstones 22.55 Ct. Round Cabochon Ring Size 9.5: Product ID: 819816262 Product Name: Natural Jade Weight: 22.55 CT. Size: MM. Shape: Round Cabochon Color: Multi-Color Green Clarity:Opaque Luster: Good Gems Origin: Thailand Treatment: Unheated Crysta

2026

Natural Genuine Mutil-Color Green Jade Gemstones 22.55 Ct. Round Cabochon Ring Size 9.5

Lake Charles, LA

Treasure of Gems & Jewelry

4.5

(267)

Natural Green Songea Sapphire Gemstones 0.77 Ct. 10 Pcs. Round Diamond Cut 2.7 Mm.: Product ID: 806130515 Product Name: Natural Blue Sapphire Weight: 0.77 CT. Size: 2.7 x 2.7 x 1.7 MM. Shape: Round Diamond Cut Color: Green Clarity:SI1 Luster: Good Gems Origin: Tanzania Treatment: Hea

2026

Natural Green Songea Sapphire Gemstones 0.77 Ct. 10 Pcs. Round Diamond Cut 2.7 Mm.

Lake Charles, LA

Treasure of Gems & Jewelry

4.5

(267)

Natural Multi-Color Play Of Colour Opal Gemstone 2.63 Ct. Pear Cabochon Shape 10.6 x 9.8 Mm.: Product ID: 708700128 Product Name: Natural Opal Weight: 2.63 CT. Size: 10.6 x 9.8 x 6 MM. Shape: Pear Cabochon Color: Multi-Color Clarity:Opaque Luster: Good Gems Origin: Ethiopia Treatment: Unheated

2026

Natural Multi-Color Play Of Colour Opal Gemstone 2.63 Ct. Pear Cabochon Shape 10.6 x 9.8 Mm.

Lake Charles, LA

Treasure of Gems & Jewelry

4.5

(267)

Natural Blue Sapphire Gemstones 7.09 Ct. Oval Shape 12.8 x 9.7 Mm.: Product ID: 806009933 Product Name: Natural Blue Sapphire Weight: 7.09 CT. Size: 12.8 x 9.7 x 6.5 MM. Shape: Oval Color: Blue Clarity:SI1 Luster: Good Gems Origin: Madagascar Treatment: Heated (Lead-g

2026

Natural Blue Sapphire Gemstones 7.09 Ct. Oval Shape 12.8 x 9.7 Mm.

Lake Charles, LA

Treasure of Gems & Jewelry

4.5

(267)

Natural Blue Sapphire Gemstones 3.39 Ct. Oval Cabochon Shape 10 x 7.4 Mm.: Product ID: 806012344 Product Name: Natural Blue Sapphire Weight: 3.39 CT. Size: 10 x 7.4 x 4.4 MM. Shape: Oval Cabochon Color: Blue Clarity:Semi - Transparent Luster: Good Gems Origin: Madagascar Tre

2026

Natural Blue Sapphire Gemstones 3.39 Ct. Oval Cabochon Shape 10 x 7.4 Mm.

Lake Charles, LA

Treasure of Gems & Jewelry

4.5

(267)

Natural Multi Color Opal Gemstones 1.65 Ct. 5 Pcs. Oval Cabochon Shape 6.1 x 4.2 Mm.: Product ID: 818728090 Product Name: Natural Opal Weight: 1.65 CT. Size: 6.1 x 4.2 x 2.9 MM. Shape: Oval Cabochon Color: Multi-Color Clarity:Semi - Transparent Luster: Good Gems Origin: Ethiopia Treatm

2026

Natural Multi Color Opal Gemstones 1.65 Ct. 5 Pcs. Oval Cabochon Shape 6.1 x 4.2 Mm.

Lake Charles, LA

Treasure of Gems & Jewelry

4.5

(267)

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Gems Auctions

UNIQUE BERTONI HANDCRAFTED award winning DESIGNER BRANCH RING 18K YELLOW GOLD & ONYX with diamonds

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14KY&W Gold Tanzanite and Diamond Swirled Pendant

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Silk Road Gems: Asian Art Across Time

harbor auction inc

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Eastvale, CA, US

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