Alfons Bach Gems

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26.60ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 20YL: 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

26.60ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 20YL

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

3.30ct Natural Ethiopian Welo Orange Fire Opal Cabochon Loose Gemstone, 98TH: This opal is sourced from Ethiopian Welo natural opal deposits and shaped into a smooth polished cabochon form with refined lapidary finishing work. Bright warm orange base accompanied by vivid intern

2026

3.30ct Natural Ethiopian Welo Orange Fire Opal Cabochon Loose Gemstone, 98TH

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

1.51 Carats Natural Madagascar Ruby Emerald Cut Loose Gemstone, 75XM: 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

1.51 Carats Natural Madagascar Ruby Emerald Cut Loose Gemstone, 75XM

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

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)

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)

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)

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)

Loose Oval Cut Emerald Gemstone: Loose gemstone appears to be a natural emerald in an oval mixed-cut, featuring a saturated green hue. The stone contains prominent internal characteristics known as jardin, including visible fissures,

2026

Loose Oval Cut Emerald Gemstone

Hollywood, FL

Lion and Unicorn

4.7

(2.5k)

20.18ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 51YP: 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

20.18ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 51YP

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

25ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 57YQ: 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

25ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 57YQ

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

3.00 Carats Natural Pale Mint Green Heart Brilliant Cut Green Amethyst Loose Gemstone, 32XV: Natural transparent soft mint green prasiolite (green amethyst) expert heart brilliant cut loose gemstone, full multi-facet heart cut maximizes bright, crisp light sparkle, presenting a delicate cool

2026

3.00 Carats Natural Pale Mint Green Heart Brilliant Cut Green Amethyst Loose Gemstone, 32XV

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

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Lion and Unicorn

Starts on:

Hollywood, FL, US

3 days Left

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