Alfonso Mazzuchelli Gems

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261.49ct Natural Cambodian Blue Zircon Rough Parcel Loose Gemstone, 80YT: This parcel consists of natural unpolished blue zircon rough crystals with translucent sky-blue to teal hues, featuring natural crystalline textures and facets. Minor matrix and inclusions are visible

2026

261.49ct Natural Cambodian Blue Zircon Rough Parcel Loose Gemstone, 80YT

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

1.79 Carats Natural Pinkish Purple Rhodolite Garnet Oval Faceted Loose Gemstone, 70TS: 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

1.79 Carats Natural Pinkish Purple Rhodolite Garnet Oval Faceted Loose Gemstone, 70TS

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

10.47 Carats Natural Brazilian Sky Blue Topaz Faceted Loose Gemstone, 33YW: Constructed from genuine natural topaz sourced from Brazilian mineral deposits, the raw material has been refined through professional faceted lapidary processing with consistent glossy polishing acro

2026

10.47 Carats Natural Brazilian Sky Blue Topaz Faceted Loose Gemstone, 33YW

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

3.94 Carats Natural Madagascar Blue Sapphire Loose Gemstone, 78XY: This natural Madagascar blue sapphire has dimension measurements of 8x7x5mm, sourced from Madagascar's extensive corundum mineral deposits that consistently yield sought-after corundum specimens favor

2026

3.94 Carats Natural Madagascar Blue Sapphire Loose Gemstone, 78XY

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

3.30ct Natural Pale Pink Lavender Kunzite Emerald Cut Loose Gemstone, 70TH: This faceted specimen is natural kunzite, fashioned in an emerald cut. The stone features a translucent pale pink lavender hue, with fine scattered particulate inclusions and faint internal linear tra

2026

3.30ct Natural Pale Pink Lavender Kunzite Emerald Cut Loose Gemstone, 70TH

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

40ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 66YQ: 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

40ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 66YQ

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

39ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 48YQ: 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

39ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 48YQ

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

1.54 Carats Natural Yellow Sapphire Pear Faceted Loose Gemstone, 56YW: This natural yellow sapphire features a classic pear brilliant faceted cut, holding consistent warm golden-yellow color throughout the corundum crystal. Fine microscopic mineral specks and faint natur

2026

1.54 Carats Natural Yellow Sapphire Pear Faceted Loose Gemstone, 56YW

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

26.02ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 6YP: 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

26.02ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 6YP

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

86.21ct Natural Multi-Colour Spinel Rough Parcel Loose Gemstone, 82YS: Natural spinel rough parcel showcasing a beautiful array of soft varied hues with subtle tonal differences throughout each crystal. Raw crystalline surfaces carry authentic natural mineral textures an

2026

86.21ct Natural Multi-Colour Spinel Rough Parcel Loose Gemstone, 82YS

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

1.52 Carats Natural Brazilian Kyanite Oval Faceted Loose Gemstone, 57XY: This specimen consists of natural kyanite mineral material refined via professional faceted lapidary work, with uniform polished surfaces across the crystal exterior. Natural internal particulate mark

2026

1.52 Carats Natural Brazilian Kyanite Oval Faceted Loose Gemstone, 57XY

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

2026

3pc Peridot Gemstones

Hollywood, FL

Lion and Unicorn

4.7

(2.5k)

95.84ct Natural Multi-Colour Spinel Rough Parcel Loose Gemstone, 69YS: Natural spinel rough parcel showcasing a beautiful array of soft varied hues with subtle tonal differences throughout each crystal. Raw crystalline surfaces carry authentic natural mineral textures an

2026

95.84ct Natural Multi-Colour Spinel Rough Parcel Loose Gemstone, 69YS

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

86ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 24YQ: 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

86ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 24YQ

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

18ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 94YQ: 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

18ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 94YQ

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

6.90ct Natural Pink Topaz Cushion Cut Matched Pair Loose Gemstones, 90TG: 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

6.90ct Natural Pink Topaz Cushion Cut Matched Pair Loose Gemstones, 90TG

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

7.31ct Natural Pink Topaz Cushion Cut Matched Pair Loose Gemstones, 91TG: 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

7.31ct Natural Pink Topaz Cushion Cut Matched Pair Loose Gemstones, 91TG

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

3.63 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 11.3x9.2mm, 10XM: This exceptional 3.63-carat Koroit boulder opal cabochon is a natural work of art, featuring vivid veins of electric blue and iridescent play-of-color that snake through a warm, earthy ironstone matri

2026

3.63 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 11.3x9.2mm, 10XM

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

2.23 Carats Natural Pinkish Purple Rhodolite Garnet Oval Faceted Loose Gemstone, 63TS: 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

2.23 Carats Natural Pinkish Purple Rhodolite Garnet Oval Faceted Loose Gemstone, 63TS

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

24ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 40YQ: 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

24ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 40YQ

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)

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Gems Auctions

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

Large Lemon Quartz

Estate Opal and Sapphire 14k yellow flower ring

Jewels & Gems, Then & Now

Bertoni Gallery LLC

Starts on:

Warwick, NY, US

18K White Gold Kashmir Sapphire Ring with Diamonds

18K White Gold Paraiba ring With Diamonds

18K Gold-Plated 925 Silver Chain with amethyst, topaz and lemon quartz pear shape

Live39

Nile Gems | Fine Jewelry & Gemstones Auction

Nile Jewels Co Ltd

Started:

Bangkok, Krung thep, TH

2.01 ctw White Diamond Cluster 14K Yellow & White Gold Ring

Emerald and 0.16 ctw Diamond 14K Yellow Gold Pendant Necklace

6x4 MM Emeralds and 0.26 Ctw Halo Stud White Diamond Modern 14K Yellow Gold Earrings - Certified

FINE JEWELRY EDIT: PEARLS, DIAMONDS & GEMS

Serenity Gallerie

Starts on:

Saint Petersburg, FL, US

3 days Left

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