Alfonso Mazzuchelli Gems

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1.96 Ct Natural Black Flashing Fire Opal Pear Cut: Weight - 1.96 Ct / Size - 13.40 x 8.00 x 4.90 mm / Shape - Pear Cut / Color - Black / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Smoked

2026

1.96 Ct Natural Black Flashing Fire Opal Pear Cut

Bangkok, TH

Gems Auction

4.7

(486)

1.60 Ct Natural Black Flashing Fire Opal Oval Cab: Weight - 1.60 Ct / Size - 10.60 x 7.90 x 4.20 mm / Shape - Oval Cab / Color - Black / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Smoked

2026

1.60 Ct Natural Black Flashing Fire Opal Oval Cab

Bangkok, TH

Gems Auction

4.7

(486)

1.75 Ct Natural Yellow Citrine Round Cut Set: Weight - 1.75 Ct / Size - 5.00 - 5.10 mm / 4 Pc's / Shape - Round Cut / Color - Yellow / Clarity - VVS / Origin - Brazil / Treatment - Heated

2026

1.75 Ct Natural Yellow Citrine Round Cut Set

Bangkok, TH

Gems Auction

4.7

(486)

5.54 Ct Natural Purple Amethyst Pear Cut: Weight - 5.54 Ct / Dimensions - 15.20 x 10.10 x 7.40 mm / Shape - Pear Cut / Color - Purple / Clarity - VVS / Origin -Brazil / Treatment - Heated

2026

5.54 Ct Natural Purple Amethyst Pear Cut

Bangkok, TH

Gems Auction

4.7

(486)

1.90 Ct Natural Black Flashing Fire Opal Oval Cut: Weight - 1.90 Ct / Size - 12.40 x 7.40 x 4.70 mm / Shape - Oval Cut / Color - Black / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Smoked

2026

1.90 Ct Natural Black Flashing Fire Opal Oval Cut

Bangkok, TH

Gems Auction

4.7

(486)

8.16 Ct Natural Orange Sunstone Pear Cab: weight - 8.16 Ct / Size - 20.30 x 13.80 x 3.70 mm / Shape - Excellent Pear Cab / Origin - Brazil / Treatment - None

2026

8.16 Ct Natural Orange Sunstone Pear Cab

Bangkok, TH

Gems Auction

4.7

(486)

6.81 Ct Natural Blue Turquoise Round Beads: Weight - 6.81 Ct / Dimensions - 4.60 - 5.00 mm / 12 Pc's / Shape - Round Beads / Color - Blue / Transparency - Opaque / Origin - egypt / Treatment - None

2026

6.81 Ct Natural Blue Turquoise Round Beads

Bangkok, TH

Gems Auction

4.7

(486)

3.78 Ct Natural Multicolor Fire Opal Round Cut Beads: Weight - 3.78 Ct / Size - 4.30 - 4.60 mm / 15 Pc's / Shape - Round Cut Beads / Color - Orange & Green / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Heated

2026

3.78 Ct Natural Multicolor Fire Opal Round Cut Beads

Bangkok, TH

Gems Auction

4.7

(486)

0.26 Ct Natural Zambian Green Emerald Oval Cut: Weight - 0.26 Ct / Dimensions - 4.60 x 3.50 x 2.90 mm / Shape - Oval Cut / Color - Green / Clarity - SI / Origin - Zambia / Treatment - Natural Emeralds are commonly enhanced by oil

2026

0.26 Ct Natural Zambian Green Emerald Oval Cut

Bangkok, TH

Gems Auction

4.7

(486)

1.92 Ct Natural Black Flashing Fire Opal Pear Cut: Weight - 1.92 Ct / Size - 12.60 x 7.80 x 5.40 mm / Shape - Pear Cut / Color - Black / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Smoked

2026

1.92 Ct Natural Black Flashing Fire Opal Pear Cut

Bangkok, TH

Gems Auction

4.7

(486)

13.61 Ct Natural Prehnite Pear Drop: Weight - 13.61 Ct / Size - 41.00 x 7.30 x 7.30 mm / Shape - Pear Drop / Clarity - Semi Transparent / Origin - Brazil / Treatment - None

2026

13.61 Ct Natural Prehnite Pear Drop

Bangkok, TH

Gems Auction

4.7

(486)

39.40 Ct Natural Pink Charoite Pear Cab: Weight - 39.40 Ct / Dimensions - 36.00 x 31.00 x 5.00 mm / Shape - Pear Cab / Color - Pink / Clarity - Opaque / Origin - Russian Federation / Treatment - None

2026

39.40 Ct Natural Pink Charoite Pear Cab

Bangkok, TH

Gems Auction

4.7

(486)

22.15 Ct Natural Yellow Citrine Round Cut Beads: Weight - 22.15 Ct / Size - 3.30 - 3.60 mm / 101 Pc's / 12.25" inches / Shape - Round Cut Beads / Color - Yellow / Clarity - VVS / Origin - Brazil / Treatment - Heated

2026

22.15 Ct Natural Yellow Citrine Round Cut Beads

Bangkok, TH

Gems Auction

4.7

(486)

2.43 Ct Natural Black Flashing Fire Opal Pear Cab: Weight - 2.43 Ct / Size - 12.40 x 8.10 x 5.50 mm / Shape - Pear Cab / Color - Black / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Smoked

2026

2.43 Ct Natural Black Flashing Fire Opal Pear Cab

Bangkok, TH

Gems Auction

4.7

(486)

3.88 Ct Natural Larimar Oval Cab Set: Weight - 3.88 Ct / Dimensions - 6.0x4.2 - 6.2x4.3 mm / 7 Pc's / Good Color / Oval Cab - Ready for Jewellery Setting / Origin - Brazil / Treatment - None

2026

3.88 Ct Natural Larimar Oval Cab Set

Bangkok, TH

Gems Auction

4.7

(486)

17.34 Ct Natural Green Opal Oval Cab: Weight - 17.34 Ct / Size - 24.90 x 17.10 x 4.90 mm / Shape - Oval Cab / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

17.34 Ct Natural Green Opal Oval Cab

Bangkok, TH

Gems Auction

4.7

(486)

2.28 Ct Natural Green Fire Opal Oval Cab: Weight - 2.28 Ct / Dimensions - 11.30 x 8.90 x 4.70 mm / Shape - Oval Cab / Color - Green / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Heated

2026

2.28 Ct Natural Green Fire Opal Oval Cab

Bangkok, TH

Gems Auction

4.7

(486)

19.17 Ct Natural Que Sera Jasper Quartz Pear Cab: weight - 19.17 Ct / Dimensions - 28.00 x 19.20 x 4.60 mm / Shape & Cut - Excellent Pear Cab / Origin - Brazil / Comments - None

2026

19.17 Ct Natural Que Sera Jasper Quartz Pear Cab

Bangkok, TH

Gems Auction

4.7

(486)

11.96 Ct Natural Golden Rutile Quartz Cushion Cab: Weight - 11.96 Ct / Dimensions - 15.80 x 10.70 x 7.00 mm / Shape & Cut - Cushion Cab / Transparency - Transaprent / Origin - India / Comments - None

2026

11.96 Ct Natural Golden Rutile Quartz Cushion Cab

Bangkok, TH

Gems Auction

4.7

(486)

3.23 Ct Natural Pink Tourmaline Round Cut Beads: Weight - 3.23 Ct / Dimensions - 2.90 - 3.00 mm / 21 Pc's / Shape & Cut - Round Cut Beads / Color - Pink / Transparency - Transparent / Comments - Unheated

2026

3.23 Ct Natural Pink Tourmaline Round Cut Beads

Bangkok, TH

Gems Auction

4.7

(486)

2.78 Ct Natural Aquamarine Octagon Cut: Weight - 2.78 Ct / Size - 10.40 x 7.70 x 4.30 mm / Shape - Octagon Cut / Color - Light Blue / Clarity - VVS / Origin -India / Treatment - None

2026

2.78 Ct Natural Aquamarine Octagon Cut

Bangkok, TH

Gems Auction

4.7

(486)

14.03 Ct Natural Yellow Citrine Round Cut Beads: Weight - 14.03 Ct / Size - 6.30 - 7.20 mm / 10 pc's / Shape - Round Cut Beads / Color - Yellow / Clarity - VVS / Origin - Brazil / Treatment - Heated

2026

14.03 Ct Natural Yellow Citrine Round Cut Beads

Bangkok, TH

Gems Auction

4.7

(486)

15.29 Ct Natural Orange Carnelian Round Beads: Weight - 15.29 Ct / Dimensions - 7.40 - 8.10 mm / 8 Pc's / Top Class Quality / Round Beads / Transparency - Semi-Transparent / Origin - Brazil / Comments - None

2026

15.29 Ct Natural Orange Carnelian Round Beads

Bangkok, TH

Gems Auction

4.7

(486)

20.23 Ct Natural Green Flourite Oval Cab: weight - 20.23 Ct / Size - 19.00 x 13.60 x 8.80 mm / Shape - Oval Cab / Origin - Brazil / Treatment - None

2026

20.23 Ct Natural Green Flourite Oval Cab

Bangkok, TH

Gems Auction

4.7

(486)

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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

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

Auction Cover

Auction Cover

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Silk Road Gems: Asian Art Across Time

harbor auction inc

Starts on:

Eastvale, CA, US

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