Alfons Bach Gems

(9,000+ price results)

Sort by:

Most Relevant

6.42 Ct Natural Blue Tint Moonstone Round Beads: Weight - 6.42 Ct / Dimensions - 4.80 - 5.20 mm / 10 Pc's / Shape - Round Beads / Clarity -Transparent / Origin - India / Treatment - None

2026

6.42 Ct Natural Blue Tint Moonstone Round Beads

Bangkok, TH

Gems Auction

4.7

(485)

1.48 Ct Natural Choco Smoky Quartz Excellent Oval Cut Pair: Weight - 1.48 Ct / Size - 7.00 x 5.20 x 3.70 mm / 2 Pc's / Clariry - VVS / mm / Top Quality Luster / Excellent Oval Cut / Origin - Brazil / Treatment - None

2026

1.48 Ct Natural Choco Smoky Quartz Excellent Oval Cut Pair

Bangkok, TH

Gems Auction

4.7

(485)

8.23 Ct Natural Aquamarine Round Cut Beads: Weight - 8.23 Ct / Size - 6.40 - 6.50 mm / 6 Pc's / Shape - Round Cut Beads / Color - Baby Blue / Clarity - Transparent / Origin -India / Treatment - None

2026

8.23 Ct Natural Aquamarine Round Cut Beads

Bangkok, TH

Gems Auction

4.7

(485)

34.48 Ct Natural Chrysocolla OVal Cab: Weight - 34.48 Ct / Size - 34.00 x 27.00 x 5.30 mm / Shape - Oval Cab / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

34.48 Ct Natural Chrysocolla OVal Cab

Bangkok, TH

Gems Auction

4.7

(485)

3.29 Ct Natural Green Amethyst Trillion Cut: Weight - 3.29 Ct / Dimensions - 11.10 x 11.00 x 5.80 mm / Shape - Trillion Cut / Color - Green / Clarity - VVS / Origin -Brazil / Treatment - Heated

2026

3.29 Ct Natural Green Amethyst Trillion Cut

Bangkok, TH

Gems Auction

4.7

(485)

0.53 Ct Natural Zambian Green Emerald Pear Pair: Weight - 0.53 Ct / Dimensions - 6.00 x 3.80 x 2.20 mm/ 2 Pc's / Shape - Pear Cut / Color - Green / Clarity - SI / Origin - Zambia / Treatment - Natural Emeralds are commonly enhanced by oil

2026

0.53 Ct Natural Zambian Green Emerald Pear Pair

Bangkok, TH

Gems Auction

4.7

(485)

0.94 Ct Natural Aquamarine Octagon Cut Pair: Weight - 0.94 Ct / Dimensions -6.00 x 4.00 x 2.70 mm / 2 Pc's / Shape - Octagon Cut / Clarity - VVS / Origin -India / Treatment - None

2026

0.94 Ct Natural Aquamarine Octagon Cut Pair

Bangkok, TH

Gems Auction

4.7

(485)

15.81 Ct Natural Purple Amethyst Round Drilled Beads: Weight - 15.81 Ct / Dimensions - 6.10 - 6.60 mm / 19 Pc's / Shape - Round Beads / Color - Purple / Clarity - Transparent / Origin -Brazil / Treatment - Heated

2026

15.81 Ct Natural Purple Amethyst Round Drilled Beads

Bangkok, TH

Gems Auction

4.7

(485)

24.88 Ct Natural Azurmalachite Fancy Cab: weight - 24.88 Ct / Dimensions - 29.00 x 16.80 x 4.60 mm / Shape & Cut - Excellent Fancy Cab / Origin - Russia / Comments - None

2026

24.88 Ct Natural Azurmalachite Fancy Cab

Bangkok, TH

Gems Auction

4.7

(485)

4.78 Ct Natural Balck Dendrite Opal Round Cut Beads: weight - 4.78 Ct / Size - 7.50 - 8.20 mm / 3 Pc's / Shape - Round Beads / Origin - Brazil / Treatment - None

2026

4.78 Ct Natural Balck Dendrite Opal Round Cut Beads

Bangkok, TH

Gems Auction

4.7

(485)

25.59 Ct Natural Seam Agate Cushion Cab: Weight - 25.59 Ct / Dimensions - 24.00 x 19.70 x 6.00 mm / Shape - Cushion Cab / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

25.59 Ct Natural Seam Agate Cushion Cab

Bangkok, TH

Gems Auction

4.7

(485)

2.65 Ct Natural Blue Sapphire Octagon Cut: Weight - 2.65 Ct / Dimensions- 9.00 x 6.90 x 3.60 mm / Shape - Octagon Cut / Clarity - SI / Origin - Sri Lanka / Treatment - Diffused

2026

2.65 Ct Natural Blue Sapphire Octagon Cut

Bangkok, TH

Gems Auction

4.7

(485)

1.33 Ct Natural Purple Amethyst Marquise Cut: Weight - 1.33 Ct / Dimensions - 11.80 x 5.90 x 4.00 mm / Shape - Marquise Cut / Color - Purple / Clarity - VVS / Origin - Brazil / Treatment - Heated

2026

1.33 Ct Natural Purple Amethyst Marquise Cut

Bangkok, TH

Gems Auction

4.7

(485)

5.37 Ct Natural Rutile Quartz Oval Cut: Weight - 5.37 Ct / Dimensions - 12.90 x 9.50 x 7.50 mm / Shape & Cut - OVal Cut / Transparency - Transaprent / Origin - Norway / Comments - None

2026

5.37 Ct Natural Rutile Quartz Oval Cut

Bangkok, TH

Gems Auction

4.7

(485)

8.13 Ct Natural Purple Amethyst Round Ball Beads: Weight - 8.13 Ct / Dimensions - 7.30 - 7.60 mm / 3 Pc's / Shape - Round Ball Beads / Color - Purple / Clarity - Transparent / Origin -Brazil / Treatment - Heated

2026

8.13 Ct Natural Purple Amethyst Round Ball Beads

Bangkok, TH

Gems Auction

4.7

(485)

8.85 Ct Natural Blue Turquoise Unshaped Beads: Weight - 8.85 Ct / Size - 5.40 - 7.10 mm / 15 Pc's / Good Color / Unshaped Beads - Ready for Jewellery Setting / Origin - Arizona / Treatment - None

2026

8.85 Ct Natural Blue Turquoise Unshaped Beads

Bangkok, TH

Gems Auction

4.7

(485)

29.34 Ct Natural Lupid Skin Jasper Quartz Oval Cab: weight - 29.34 Ct / Dimensions - 32.00 x 19.00 x 5.90 mm / Shape - Excellent Oval Cab / Origin - Brazil / Treatment - None

2026

29.34 Ct Natural Lupid Skin Jasper Quartz Oval Cab

Bangkok, TH

Gems Auction

4.7

(485)

8.68 Ct Natural Rose Quartz Round Cut Beads: Weight - 8.68 Ct / Dimensions - 3.10 - 3.30 mm / 105 Pc's / Top Class Quality / Round Cut Beads / Origin - Brazil / Comments - None

2026

8.68 Ct Natural Rose Quartz Round Cut Beads

Bangkok, TH

Gems Auction

4.7

(485)

6.00 Ct Natural Lemon Quartz Cushion Cut: Weight - 6.00 Ct / Dimensions - 13.30 x 10.30 x 6.60 mm / Top Quality Luster / Excellent Cushion Cut / Origin - Brazil / Comments - Heated

2026

6.00 Ct Natural Lemon Quartz Cushion Cut

Bangkok, TH

Gems Auction

4.7

(485)

5.33 Ct Natural Tiger Eye Fancy Beads: Weight - 5.33 Ct / Dimensions - 5.70 - 7.60 mm / 7 Pc's / Top Class Quality / Fancy Beads / Origin - Burmese / Comments - None

2026

5.33 Ct Natural Tiger Eye Fancy Beads

Bangkok, TH

Gems Auction

4.7

(485)

1.44 Ct Natural Black Flashing Fire Opal Pear Cab: Weight - 1.44 Ct / Dimensions - 10.90 x 7.80 x 4.00 mm / Shape - pear Cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

2026

1.44 Ct Natural Black Flashing Fire Opal Pear Cab

Bangkok, TH

Gems Auction

4.7

(485)

2.84 Ct Natural Tsavorite, Spessartite, Almandite Garnet Round Beads: Weight - 2.84 Ct / Dimensions - 1.90 - 2.80 mm / 28 Pc's / Shape - Round Beads / Spessartite , Tsavorite / Color - Multicolor / Clarity - Transparent / Origin - Kenya / Treatment - None

2026

2.84 Ct Natural Tsavorite, Spessartite, Almandite Garnet Round Beads

Bangkok, TH

Gems Auction

4.7

(485)

5.36 Ct Natural Yellow Citrine Fancy Drop: Weight - 5.36 Ct / Dimensions - 13.00 x 7.40 x 7.40 mm / Shape - Fancy Drop / Color - Yellow / Clarity - VVS / Origin - Brazil / Treatment - Heated

2026

5.36 Ct Natural Yellow Citrine Fancy Drop

Bangkok, TH

Gems Auction

4.7

(485)

25.21 Ct Natural Green Onyx Oval Cab: Weight - 25.21 Ct / Size - 32.00 x 19.70 x 5.20 mm / Shape - Oval Cab / Color - Green / Clarity - OPaque / Origin - Brazil / Treatment - None

2026

25.21 Ct Natural Green Onyx Oval Cab

Bangkok, TH

Gems Auction

4.7

(485)

View:

24

Gems Auctions

Auction Cover

Auction Cover

Auction Cover

Silk Road Gems: Asian Art Across Time

harbor auction inc

Starts on:

Eastvale, CA, US

14KY&W Gold Tanzanite and Diamond Swirled Pendant

18K Emerald and Diamond Halo Ring Signed Iliana

Ruby and Diamond Marquise-Cut Doorknocker Earrings

Trending Colored Gems Plus Fine Jewelry Sale

Bidfair Fine Jewelry

Ends from:

Vero Beach, FL, US

Hugh Jenkins and Stephanie Ross Hawaiian Art Glass Vase

Utagawa Kunisada (Toyokuni III) (Japanese, 1786-1865) Calligraphy from the series Selected One

14K Yellow Gold Emerald Cut Blue Topaz Pendant Charm

Gorgeous Gems, Crystal and So Much More

Lion and Unicorn

Starts on:

Hollywood, FL, US

5 days Left

TOP