Modern Gems

(9,000+ price results)

Sort by:

Most Relevant

46.08 Carats Natural Bi-Color Ametrine Raw Rough Crystal Chunk, 78YR: This genuine natural ametrine rough showcases a seamless blend of soft lavender amethyst and pale golden citrine hues formed within a single quartz crystal. Delicate rusty orange mineral inclusions an

2026

46.08 Carats Natural Bi-Color Ametrine Raw Rough Crystal Chunk, 78YR

Sathorn, Bangkok

Lazo Heritage

4.4

(24)

110.39ct Natural Blue Apatite Rough Parcel Loose Gemstone, 49YS: Natural apatite rough parcel featuring fresh bright blue colouration with subtle tonal variations across each crystal piece. Raw crystalline surfaces display authentic natural mineral textures and inh

2026

110.39ct Natural Blue Apatite Rough Parcel Loose Gemstone, 49YS

Sathorn, Bangkok

Lazo Heritage

4.4

(24)

5.12 Carats Natural Brazilian Sky Blue Topaz Oval Faceted Loose Gemstone, 43TS: 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

5.12 Carats Natural Brazilian Sky Blue Topaz Oval Faceted Loose Gemstone, 43TS

Sathorn, Bangkok

Lazo Heritage

4.4

(24)

5.80 Carats Natural Brazilian Pink Topaz Pear Faceted Loose Gemstone, 8TM: This specimen is composed of natural topaz sourced from Brazilian mineral deposits, processed via professional faceted lapidary techniques with consistent glossy polishing applied to the entire crysta

2026

5.80 Carats Natural Brazilian Pink Topaz Pear Faceted Loose Gemstone, 8TM

Sathorn, Bangkok

Lazo Heritage

4.4

(24)

1.18 Carats Natural Yellow Sapphire Octagon Faceted Loose Gemstone, 46TT: This natural yellow sapphire features a classic octagon brilliant faceted cut, holding consistent warm golden-yellow color throughout the corundum crystal. Fine microscopic mineral specks and faint na

2026

1.18 Carats Natural Yellow Sapphire Octagon Faceted Loose Gemstone, 46TT

Sathorn, Bangkok

Lazo Heritage

4.4

(24)

2.11 Carats Natural Yellow Sapphire Pear Faceted Loose Gemstone, 46YW: 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

2.11 Carats Natural Yellow Sapphire Pear Faceted Loose Gemstone, 46YW

Sathorn, Bangkok

Lazo Heritage

4.4

(24)

1.13 Carats Natural Yellow Sapphire Octagon Faceted Loose Gemstone, 54TT: This natural yellow sapphire features a classic octagon brilliant faceted cut, holding consistent warm golden-yellow color throughout the corundum crystal. Fine microscopic mineral specks and faint na

2026

1.13 Carats Natural Yellow Sapphire Octagon Faceted Loose Gemstone, 54TT

Sathorn, Bangkok

Lazo Heritage

4.4

(24)

1.05 Carats Natural Yellow Sapphire Square Faceted Loose Gemstone, 42TT: This natural yellow sapphire features a classic square brilliant faceted cut, holding consistent warm golden-yellow color throughout the corundum crystal. Fine microscopic mineral specks and faint nat

2026

1.05 Carats Natural Yellow Sapphire Square Faceted Loose Gemstone, 42TT

Sathorn, Bangkok

Lazo Heritage

4.4

(24)

4.50ct Natural Multi Color Tourmaline Heart Cut Loose Gemstone 32pcs Parcel, 31TZ: This parcel contains 32pcs heart faceted natural tourmalines with total aggregate weight of 4.50 carats, each stone measuring 4.0x2.0mm. The gemstones display a varied palette of pink, green, yellow a

2026

4.50ct Natural Multi Color Tourmaline Heart Cut Loose Gemstone 32pcs Parcel, 31TZ

Sathorn, Bangkok

Lazo Heritage

4.4

(24)

3.37ct Natural Pakistan Green Peridot Oval Faceted Gemstone, 21YW: This faceted gemstone consists of natural Pakistani peridot, fashioned into an oval cut with polished facets that highlight its vivid green body colour. Natural mineral inclusions are visible within t

2026

3.37ct Natural Pakistan Green Peridot Oval Faceted Gemstone, 21YW

Sathorn, Bangkok

Lazo Heritage

4.4

(24)

1.00 Carats Natural Yellow Sapphire Square Faceted Loose Gemstone, 43TT: This natural yellow sapphire features a classic square brilliant faceted cut, holding consistent warm golden-yellow color throughout the corundum crystal. Fine microscopic mineral specks and faint nat

2026

1.00 Carats Natural Yellow Sapphire Square Faceted Loose Gemstone, 43TT

Sathorn, Bangkok

Lazo Heritage

4.4

(24)

6.15 Carats Natural Brazilian Green Topaz Faceted Loose Gemstone, 100TM: This natural topaz originates from Brazilian mineral formations and undergoes professional faceted lapidary finishing with uniform high-gloss polishing across all outer crystal facets. Natural fine in

2026

6.15 Carats Natural Brazilian Green Topaz Faceted Loose Gemstone, 100TM

Sathorn, Bangkok

Lazo Heritage

4.4

(24)

44.63ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 72YL: 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

44.63ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 72YL

Sathorn, Bangkok

Lazo Heritage

4.4

(24)

7.16 Carats Natural Madagascar Yellow Sapphire Cabochon Loose Gemstone, 92XY: Formed of natural corundum sourced from Madagascar geological formations, this raw mineral material is shaped and polished into a smooth cabochon form via professional stone processing techniques. Nat

2026

7.16 Carats Natural Madagascar Yellow Sapphire Cabochon Loose Gemstone, 92XY

Sathorn, Bangkok

Lazo Heritage

4.4

(24)

2.76 Carats Natural Yellow Sapphire Pear Faceted Loose Gemstone, 53YW: 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

2.76 Carats Natural Yellow Sapphire Pear Faceted Loose Gemstone, 53YW

Sathorn, Bangkok

Lazo Heritage

4.4

(24)

7.35 Carats Natural Madagascar Yellow Sapphire Cabochon Loose Gemstone, 91XY: Formed of natural corundum sourced from Madagascar geological formations, this raw mineral material is shaped and polished into a smooth cabochon form via professional stone processing techniques. Nat

2026

7.35 Carats Natural Madagascar Yellow Sapphire Cabochon Loose Gemstone, 91XY

Sathorn, Bangkok

Lazo Heritage

4.4

(24)

30ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 71YQ: 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

30ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 71YQ

Sathorn, Bangkok

Lazo Heritage

4.4

(24)

4.35ct Natural Purple Amethyst Trillion Cut Loose Gemstone Parcel, 4TT: This parcel trillion faceted natural amethyst gemstones with aggregate total weight of 4.35 carats, each stone measuring 5.1x5.0x3.4mm. The gems display vibrant rich purple colouration with subtle nat

2026

4.35ct Natural Purple Amethyst Trillion Cut Loose Gemstone Parcel, 4TT

Sathorn, Bangkok

Lazo Heritage

4.4

(24)

2.56 Carats Natural Yellow Sapphire Pear Faceted Loose Gemstone, 37YW: 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

2.56 Carats Natural Yellow Sapphire Pear Faceted Loose Gemstone, 37YW

Sathorn, Bangkok

Lazo Heritage

4.4

(24)

1.41 Carats Natural Yellow Sapphire Octagon Faceted Loose Gemstone, 47TT: This natural yellow sapphire features a classic octagon brilliant faceted cut, holding consistent warm golden-yellow color throughout the corundum crystal. Fine microscopic mineral specks and faint na

2026

1.41 Carats Natural Yellow Sapphire Octagon Faceted Loose Gemstone, 47TT

Sathorn, Bangkok

Lazo Heritage

4.4

(24)

3.16ct Natural Multi Color Tourmaline Heart Cut Loose Gemstone 21pcs Parcel, 30TZ: This parcel contains 21pcs heart faceted natural tourmalines with total aggregate weight of 3.16 carats, each stone measuring 3.8x3.7x2.5mm. The gemstones display a varied palette of pink, green, yell

2026

3.16ct Natural Multi Color Tourmaline Heart Cut Loose Gemstone 21pcs Parcel, 30TZ

Sathorn, Bangkok

Lazo Heritage

4.4

(24)

1.23 Carats Natural Yellow Sapphire Oval Faceted Loose Gemstone, 55TT: This natural yellow sapphire features a classic oval brilliant faceted cut, holding consistent warm golden-yellow color throughout the corundum crystal. Fine microscopic mineral specks and faint natur

2026

1.23 Carats Natural Yellow Sapphire Oval Faceted Loose Gemstone, 55TT

Sathorn, Bangkok

Lazo Heritage

4.4

(24)

21ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 51YQ: 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

21ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 51YQ

Sathorn, Bangkok

Lazo Heritage

4.4

(24)

18.55ct Natural Mauritania Ruby Rough (Unheated), 76XE: 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

18.55ct Natural Mauritania Ruby Rough (Unheated), 76XE

Sathorn, Bangkok

Lazo Heritage

4.4

(24)

View:

24

Gems Auctions

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

Large unique Lemon Quartz

Estate Opal and Sapphire 14k yellow flower ring

Jewels & Gems, Then & Now

Bertoni Gallery LLC

Starts on:

Warwick, NY, US

3 days Left

Original Vintage Leonetto Cappiello Journe'e de la Femme et L'Enfant Poster 1923 - RARE

I Want You for U.S. Army Original Poster 1917 by James Montgomery Flagg

Original Vintage General Dynamics - Building Materials Poster by Erik Nitsche 1960

Original Vintage Poster Gems

The Ross Art Group

Starts on:

Boca Raton, FL, 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

TOP