$400Sale Price|20% Off
5.40 Carat Natural Loose Mint Tourmaline Cushion Shape Gem Slightly Included
Located in Peshawar, PK
Loose Mint Green Tourmaline Weight: 5.40 Carats Dimension: 11.6 x 9.8 x 7.5 Mm Colour: Mint Green Origin: Afghanistan Certificate: On Demand Treatment: Non Clarity: Slightly Include...
Tourmaline
$520Sale Price|20% Off
Splendid Faceted Dual 2.50 Carat Tourmaline Cushion Shape Gem For Earrings
Located in Peshawar, PK
Loose Dual Tourmaline Weight: 2.50 Carats Pink Tourmaline Dimension: 7.2 x 5.5 x 3.7 Mm Green Tourmaline Dimension: 7 x 5.8 x 4.6 Mm Colour: Green And Pink Origin: Afghanistan Cer...
Tourmaline
$64Sale Price|20% Off
2.85 Carat Natural Loose Rhodolite Garnet Emerald Shape Gem For Jewellery
Located in Peshawar, PK
Loose Rhodolite Garnet Weight: 2.85 Carats Dimension: 8.1 x 6.4 x 5.3 Mm Colour: Red Origin: Africa Treatment: Non Shape : Emerald Rhodolite garnet, a gemstone celebrated for its e...
Garnet, Rhodolite
$200Sale Price|20% Off
2.10 Carat Natural Loose Rhodolite Garnet Trillion Shape Gem For Ring
Located in Peshawar, PK
Loose Rhodolite Garnet Weight: 2.10 Carats Dimension: 7.4 x 9 x 4.6 Mm Colour: Red Origin: Africa Treatment: Non Shape : Trillion Rhodolite garnet, a gemstone celebrated for its en...
Garnet, Rhodolite
$256Sale Price|20% Off
29.75 Carats Gigantic Natural Loose Aquamarine Included Gem For Necklace Jewelry
Located in Peshawar, PK
Loose Aquamarine Weight: 29.75 Carats Dimension: 21x16x13 Mm Origin: Shigar Valley Pakistan Shape: Cushion Color: Light Seafoam Treatment: Non / Natural Aquamarine is a mesmerizi...
Aquamarine
$160Sale Price|20% Off
1.60 Carat Natural Loose Green Tourmaline Cushion Shape Gem From Afghanistan
Located in Peshawar, PK
Loose Green Tourmaline Weight: 1.60 Carats Dimension: 7 x 6.6 x 4.9 Mm Colour: Green Origin: Afghanistan Certificate: On Demand Treatment: Non Tourmaline is a captivating gemstone...
Tourmaline
$144Sale Price|20% Off
1.50 Carat Natural Loose Aquamarine Hexagon Shape Gem For Jewellery Making
Located in Peshawar, PK
Loose Aquamarine Weight: 1.50 Carat Dimension: 8.9 x 7.2 x 3.9 Mm Colour : Blue and white Origin: Shigar Valley, Pakistan Treatment: Non Certificate : On Demand Shape: Hexagon Aqua...
Aquamarine
$160Sale Price|20% Off
2.10 Carat Natural Loose Rhodolite Garnet Cushion Shape Gem For jewellery
Located in Peshawar, PK
Loose Rhodolite Garnet Weight: 2.10 Carats Dimension: 7.4 x 6.3 x 5 Mm Colour: Red Origin: Africa Treatment: Non Shape : Cushion Rhodolite garnet, a gemstone celebrated for its ench...
Garnet, Rhodolite
$960Sale Price|20% Off
5.00 Carat Natural Loose Cushion Shape Reverse Tourmaline Gem For Ring
Located in Peshawar, PK
Loose Reverse Tourmaline Total Weight: 5.00 Carats Weight of golden Tourmaline : 2.60 Carats Dimension of Golden Tourmaline: 9 x 7 x 5.5 Mm Weight of Pink Tourmaline: 2.40 Carats ...
Tourmaline
$240Sale Price|20% Off
2.20 Carat Natural Loose Rhodolite Garnet Cushion Shape Gem From Africa
Located in Peshawar, PK
Loose Rhodolite Garnet Weight: 2.20 Carats Dimension: 10.1 x 8.2 x 5.6 Mm Colour: Red Origin: Africa Treatment: Non Shape : Cushion Rhodolite garnet, a gemstone celebrated for its e...
Garnet, Rhodolite
$400Sale Price|20% Off
3.00 Carat Natural Loose Tourmaline Emerald Shape Gem From Earth Mine
Located in Peshawar, PK
Loose Tourmaline Weight: 3.00 Carats Dimension: 10.5 x 6.2 x 5.1 Mm Colour: Greenish Yellow Origin: Afghanistan Certificate: On Demand Treatment: Non Tourmaline is a captivating g...
Tourmaline
$360Sale Price|20% Off
2.45 Carat Natural Loose Green Tourmaline Cushion Shape Gem For Jewellery
Located in Peshawar, PK
Loose Green Tourmaline Weight: 2.45 Carats Dimension: 7.1 x 7 x 5.9 Mm Colour: Green Origin: Afghanistan Certificate: On Demand Treatment: Non Tourmaline is a captivating gemstone...
Tourmaline
$400Sale Price|20% Off
3.05 Carat Natural Loose Tourmaline Cushion Shape Gem For Ring Jewellery
Located in Peshawar, PK
Loose Tourmaline Weight: 3.05 Carats Dimension: 8.5 x 7.5 x 6.1 Mm Colour: Yellowish Green Origin: Afghanistan Certificate: On Demand Treatment: Non Tourmaline is a captivating g...
Tourmaline
$224Sale Price|20% Off
2.00 Carat Natural Loose Iolite Cushion Shape Gem From India Mine
Located in Peshawar, PK
Loose iolite Weight: 2.00 Carats Dimension: 8.3 x 7.1 x 5.6 Mm Origin: India Certificate: On Demand Treatment: Non Shape: Cushion Iolite, also known as "water sapphire" or "Vikings...
Iolite
$160Sale Price|20% Off
3.00 Carat Natural Loose Tourmaline Pieces Cushion Shape Gem For Jewellery
Located in Peshawar, PK
Loose Green Tourmaline Pieces Weight: 3.00 Carats Dimension: 6.2 x 6.9 x 5.1 Mm And 6 x 6 x 4.3 Mm Colour:Green Origin: Afghanistan Certificate: On Demand Treatment: Non Tourmaline...
Tourmaline
$320Sale Price|20% Off
8.25 Carat Natural Loose Topaz Flower Cut Gem For Necklace Jewellery
Located in Peshawar, PK
Loose Topaz Weight: 8.25 Carat Dimension: 11.4 x 11.1 x 7.8 Mm Origin: Pakistan Shape : Square Treatment: Non Certificate: On Demand Natural topaz is a breathtaking gemstone ...
Topaz
$360Sale Price|20% Off
2.25 Carat Natural Loose Green Tourmaline Emerald Shape Gem From Afghanistan
Located in Peshawar, PK
Loose Green Tourmaline Weight: 2.25 Carats Dimension: 9.2 x 5.9 x 4.9 Mm Colour: Green Origin: Afghanistan Certificate: On Demand Treatment: Non Tourmaline is a captivating gemston...
Tourmaline
$920Sale Price|20% Off
Rare Color 6.50 Carat Natural Loose Seafoam Tourmaline Cushion Shape Gem
Located in Peshawar, PK
Loose Seafoam Tourmaline Weight: 6.50 Carats Dimension: 11.8 x 9.3 x 7.5 Mm Colour: Blue Origin: Afghanistan Certificate: On Demand Treatment: Non Tourmaline is a captivating gemst...
Tourmaline
$1,440Sale Price|20% Off
12.00 Carat Natural Loose Seafoam Tourmaline Cushion Shape Gem For Necklace
Located in Peshawar, PK
Loose Seafoam Tourmaline Weight: 12.00 Carats Dimension: 13.4 x 12.7 x 9.2 Mm Colour: Blue Origin: Afghanistan Certificate: On Demand Treatment: Non Tourmaline is a captivating gem...
Tourmaline
$296Sale Price|20% Off
Glamorous Faceted Iolite 2.80 Carat Emerald Shape Gem For Jewellery Making
Located in Peshawar, PK
Loose iolite Weight: 2.80 Carats Dimension: 10 x 7.7 x 5.8 Mm Origin: India Certificate: On Demand Treatment: Non Shape: Emerald Iolite, also known as "water sapphire" or "Vikings'...
Iolite
$280Sale Price|20% Off
2.30 Carat Natural Loose Iolite Emerald Shape Gem For Jewellery Making
Located in Peshawar, PK
Loose iolite Weight: 2.30 Carats Dimension: 10.2 x 6.8 x 5.3 Mm Origin: India Certificate: On Demand Treatment: Non Shape: Emerald Iolite, also known as "water sapphire" or "...
Iolite
$240Sale Price|20% Off
1.75 Carat Natural Loose Seafoam Tourmaline Cushion Shape Gem For Ring
Located in Peshawar, PK
Loose Seafoam Tourmaline Weight: 1.75 Carats Dimension: 7.4 x 6.3 x 5 Mm Colour: Seafoam Origin: Afghanistan Certificate: On Demand Treatment: Non Tourmaline is a captivating gem...
Tourmaline
$320Sale Price|20% Off
2.85 Carat Natural Loose Mint Tourmaline Emerald Shape Gem For Ring
Located in Peshawar, PK
Loose Mint Tourmaline Weight: 2.85 Carats Dimension: 10.4 x 5.8 x 5 Mm Colour : Mint Green Origin: Afghanistan Shape: Emerald Certificate: On Demand Treatment: Non Mint tourmaline, ...
Tourmaline
$280Sale Price|20% Off
1.95 Carat Natural Loose Seafoam Tourmaline Cushion Shape Gem For Jewellery
Located in Peshawar, PK
Loose Seafoam Tourmaline Weight: 1.95 Carats Dimension: 7.3 x 6 x 5.3 Mm Colour: Blue Origin: Afghanistan Certificate: On Demand Treatment: Non Tourmaline is a captivating gemston...
Tourmaline
$640Sale Price|20% Off
3.80 Carat Natural Loose Emerald Cut Mint Tourmaline Gem For Ring
Located in Peshawar, PK
Loose Mint Tourmaline Weight: 3.80 Carats Dimension: 14.1 x 6.1 x 5 Mm Colour : Mint Green Origin: Afghanistan Shape: Emerald Certificate: On Demand Treatment: Non Mint tourm...
Tourmaline
$240Sale Price|20% Off
2.85 Carats Natural Loose Cushion Shape Mint Tourmaline Gem For Ring
Located in Peshawar, PK
Loose Mint Tourmaline Weight: 2.85 Carats Dimension: 8.6 x 7.8 x 5.8 Mm Colour: Mint Green Origin: kunar, Afghanistan Treatment: Non Certificate: On Demand Mint tourmaline, a...
Tourmaline
$400Sale Price|50% Off
2.75 Carat Natural Loose Emerald Shape mint Tourmaline Gem For Ring
Located in Peshawar, PK
Loose Mint Tourmaline Weight: 2.75 Carats Dimension: 11.1 x 5.7 x 4.6 Mm Colour: Mint Green Origin: Afghanistan Treatment: Non Certificate: On Demand Shape: Emerald Mint tourmaline...
Tourmaline
$312Sale Price|20% Off
5.00 Carats Natural Loose Slightly Included Mint Tourmaline Gem For Jewellery
Located in Peshawar, PK
Loose Mint Tourmaline Weight: 5.00 Carats Dimension: 10.6 x 9.1 x6.5 Mm Colour: Mint Green Origin: Afghanistan Treatment: Non Certificate: On Demand Shape: Cushion Mint tourmaline,...
Tourmaline
$720Sale Price|20% Off
2.85 Carats Natural Loose Emerald Shape Mint Tourmaline Gem For jewellery
Located in Peshawar, PK
Loose Mint Tourmaline Weight: 2.85 Carats Dimension: 9.5 x 7 x 5 Mm Colour: Mint Green Origin: Afghanistan Treatment: Non Certificate: On Demand Shape: Emerald Mint tourmaline, a me...
Tourmaline
$680Sale Price|20% Off
3.00 Carat Natural Loose lagoon Tourmaline Cushion Shape Gem From Afghanistan
Located in Peshawar, PK
Loose Lagoon Tourmaline Weight: 3.00 Carats Dimension: 8.2 x 7.2 x 5.9 Mm Colour: Lagoon Origin: Afghanistan Certificate: On Demand Treatment: Non Tourmaline is a captivating gemst...
Tourmaline
$680Sale Price|20% Off
3.25 Carat Natural Loose Lagoon Tourmaline Cushion Shape Gem For Jewellery
Located in Peshawar, PK
Loose Lagoon Tourmaline Weight: 3.25 Carats Dimension: 7.7 x 7.6 x 7 Mm Colour: Lagoon Origin: Afghanistan Certificate: On Demand Treatment: Non Tourmaline is a captivating gemston...
Tourmaline
$400Sale Price|20% Off
3.00 Carat Natural Loose Lagoon Tourmaline Emerald Shape Gem For Jewellery
Located in Peshawar, PK
Loose Lagoon Tourmaline Weight: 3.00 Carats Dimension: 8.8 x 6.5 x 5.6 Mm Colour: Lagoon Origin: Afghanistan Certificate: On Demand Treatment: Non Tourmaline is a captivating gems...
Tourmaline
$640Sale Price|20% Off
2.25 Carat Natural Loose Lagoon Tourmaline Cushion Shape Gem For Jewellery
Located in Peshawar, PK
Loose Lagoon Tourmaline Weight: 2.25 Carats Dimension: 8 x 7.1 x 5.3 Mm Colour: Lagoon Origin: Afghanistan Certificate: On Demand Treatment: Non Tourmaline is a captivating gemston...
Tourmaline
$384Sale Price|20% Off
1.85 Carat Natural Loose Lagoon Tourmaline Emerald Shape Gem For Jewellery
Located in Peshawar, PK
Loose Lagoon Tourmaline Weight: 1.85 Carats Dimension: 8.1 x 5.8 x 4.8 Mm Colour: Lagoon Origin: Afghanistan Certificate: On Demand Treatment: Non Tourmaline is a captivating gemsto...
Tourmaline
$208Sale Price|35% Off
1.75 Carat Natural Loose Green Tourmaline Cushion Gem For Jewellery Making
Located in Peshawar, PK
Loose Green Tourmaline Weight: 1.75 Carats Dimension: 6.1 x 7.6 x 4.7 Mm Colour: Green Origin: Afghanistan Certificate: On Demand Treatment: Non Tourmaline is a captivating gemstone...
Tourmaline
$280Sale Price|20% Off
1.30 Carat Natural Loose Indicolite Tourmaline Cushion Shape Gem For Ring
Located in Peshawar, PK
Loose Indicolite Tourmaline Weight: 1.30 Carats Dimension: 6.7 x 5.1 x 5 Mm Origin: Afghanistan Colour: Blue Treatment: Non Certificate: On Demand Clarity : Included Shape: Cushion ...
Tourmaline
$184Sale Price|20% Off
2 Carat Stunning Baguette Shape Loose Aquamarine March Birthstone Ring Gem
Located in Peshawar, PK
Loose Aquamarine Weight: 2.0 Carats Dimension: 8.8x6.7x5 Mm Origin: Shigar Valley Pakistan Color: Light Blue / White Blue Shape: Baguettes Treatment: Non Certficate: On Customer ...
Aquamarine, Beryl
$400Sale Price|20% Off
1.45 Carat Natural Loose Indicolite Tourmaline Emerald Shape Gem For Ring
Located in Peshawar, PK
Loose Indicolite Tourmaline Weight: 1.45 Carats Dimension: 8.1 x 5.2 x 3.5 Mm Origin: Afghanistan Certificate: On Demand Treatment: Non Tourmaline is a captivating gemstone known ...
Tourmaline, Indicolite
$400Sale Price|20% Off
1.70 Carat Natural Loose Indicolite Tourmaline Emerald Shape Gem For Jewellery
Located in Peshawar, PK
Loose Indicolite Tourmaline Weight: 1.70 Carats Dimension: 7.3 x 5.8 x 4.3 Mm Origin: Afghanistan Certificate: On Demand Treatment: Non Tourmaline is a captivating gemstone known ...
Tourmaline, Indicolite
Water Melon Tourmaline 32.66 Carat Green And Red Natural Maginificient Loose Gem
By Malpani Jewels
Located in Hung Hom, HK
Water Melon Tourmaline 32.66 Carat Green And Red Natural Maginificient Loose Gem Details are mentioned below: Weight: 32.66 carats Dimensions:20.81x17.98x9.97 mm Treatment: None Cla...
Tourmaline
$480Sale Price|20% Off
1.50 Carat Splendid Loose Rubellite Tourmaline Shield Cut Gem For Necklace
Located in Peshawar, PK
Loose Rubellite Tourmaline Weight: 1.50 Carats Dimension: 9.2 x 7 x 4.3 Mm Origin: Afghanistan Shape: Shield Color: Pink Certificate: On Demand Rubellite tourmaline, often regarde...
Rubelite, Tourmaline
$640Sale Price|20% Off
4.40 Carat Natural Loose Indicolite Tourmaline Cushion Shape Gem For Jewellery
Located in Peshawar, PK
Loose Indicolite Tourmaline Weight: 4.40 Carats Dimension: 8.9 x 8.5 x 7 Mm Colour: Indicolite Origin: Afghanistan Certificate: On Demand Treatment: Non Shape: Cushion Tourmaline ...
Tourmaline, Indicolite
$280Sale Price|20% Off
1.35 Carat Natural Loose Indicolite Tourmaline Cushion Shape Gem For Jewellery
Located in Peshawar, PK
Loose Indicolite Tourmaline Weight: 1.35 Carats Dimension: 8 x 5.8 x 3.7 Mm Colour: Indicolite Origin: Afghanistan Certificate: On Demand Treatment: Non Shape: Cushion Tourmalin...
Tourmaline, Indicolite
$360Sale Price|20% Off
2.95 Carat Natural Loose Indicolite Tourmaline Emerald Shape Gem For Jewellery
Located in Peshawar, PK
Loose Indicolite Tourmaline Weight: 2.95 Carats Dimension: 11.2 x 7 x 4.1 Mm Colour: Ink Blue Origin: Afghanistan Certificate: On Demand Treatment: Non Shape: Emerald Tourmaline ...
Indicolite, Tourmaline
$520Sale Price|20% Off
3.50 Carat Natural Loose Indicolite Tourmaline Emerald Shape Gem For Bracelet
Located in Peshawar, PK
Loose Indicolite Tourmaline Weight: 3.50 Carats Dimension: 10 x 6.6 x 5.7 Mm Colour: ink Blue Origin: Afghanistan Certificate: On Demand Treatment: Non Tourmaline is a captivating ...
Tourmaline, Indicolite
$152Sale Price|20% Off
Gorgeous 6.85 Carat Natural Loose Purple Amethyst Ring Gems Emerald Shape
Located in Peshawar, PK
Faceted amethyst Weight: 6.85 Carats Dimension: 13.2x8.8x8.2 Mm Origin: Brazil Color: Purple Shape: Emerald Certificate: On Customer Demand Amethyst is a stunning violet gemstone...
Amethyst
$960Sale Price|20% Off
5.80 Carat Natural Loose Tourmaline Square Shape Gem For Jewellery Making
Located in Peshawar, PK
Loose Green Tourmaline Weight: 5.80 Carats Dimension: 9.6 x 9.5 x 7.2 Mm Colour: Green Origin: Afghanistan Certificate: On Demand Treatment: Non Tourmaline is a captivating gemsto...
Tourmaline
$480Sale Price|20% Off
2.00 Carat Natural Loose Lagoon Tourmaline Square Shape Gem For Jewellery
Located in Peshawar, PK
Loose Lagoon Tourmaline Weight: 2.00 Carats Dimension: 7.5 x 6.5 x 4.8 Mm Colour: Lagoon Origin: Afghanistan Certificate: On Demand Treatment: Non Tourmaline is a captivating gems...
Tourmaline
$400Sale Price|20% Off
3.35 Carat Natural Loose Steel Grey Colour Tourmaline Cushion Shape Gem
Located in Peshawar, PK
Faceted Steel Grey Tourmaline Weight: 3.35 Carat Dimension: 8 x 8.5 x 6.5 Mm Colour: Steel Grey Treatment: Non Certificate: On Customer Demand Shape: Cushion Tourmaline is a capt...
Tourmaline
$240Sale Price|20% Off
1.65 Carat Natural Loose Cushion Shape Purple Tourmaline Gem For Jewellery
Located in Peshawar, PK
Loose Purple Tourmaline Weight: 1.65 Carats Dimension: 7.5 x 6.4 x 4.4 Mm Origin: Africa Colour : Purple Certificate: On Demand Treatment: Non Tourmaline, a diverse and enchan...
Tourmaline
$240Sale Price|20% Off
1.65 Carat Natural Loose Mint Tourmaline Emerald Shape Gem For Jewellery
Located in Peshawar, PK
Loose Tourmaline Weight: 1.65 Carats Dimension: 6.7 x 5.8 x 5 Mm Origin: Kunar Afghanistan Shape: Emerald Color: Mint Green Treatment: Non Certificate: On Demand Mint green tourmali...
Tourmaline
23.90 Carat Bi-Color Tourmaline Gemstone, Afghan Origin, Arts & Crafts
By Gilt Gemstone
Located in Peshawar, PK
Faceted Bi Colour Tourmaline Weight: 23.90 Carat Dimension: 16.3 x 14.7 x 10.1 Mm Colour: Dark Green And Light Green Origin: Afghanistan Treatment: Non Certificate: On Customer ...
Tourmaline, Other
$800Sale Price|20% Off
2.95 Carat Natural Loose Peachy Pink Tourmaline Square Cushion Shape Gem
Located in Peshawar, PK
Faceted Peachy Pink Tourmaline Weight: 2.95 Carat Dimension: 7.8 x 7.8 x 6.8 Mm Colour: Peachy Pink Treatment: Non Certificate: On Customer Demand Shape: Square Cushion Tourmalin...
Tourmaline
$440Sale Price|20% Off
2.95 Carats Natural Loose Green Tourmaline Emerald Shape Gem For Ring
Located in Peshawar, PK
Loose Green Tourmaline Weight: 2.95 Carats Dimension: 9.8 x 6.1 x 5.3 Mm Colour: Green Origin: Afghanistan Treatment: Non Certificate: On Demand Shape: Emerald Green tourmal...
Tourmaline
$160Sale Price|36% Off
0.90 Carat Natural Loose Golden Tourmaline Octagon Shape Gem For Ring
Located in Peshawar, PK
Loose Golden Tourmaline Weight: 0.90 Carats Dimension: 6.1 x 6.1 x 4.1 Mm Colour: Golden Origin: Afghanistan Certificate: On Demand Treatment: Non Tourmaline is a captivating g...
Tourmaline
$240Sale Price|20% Off
10.65 Carat Natural Loose Amethyst Long Cushion Shape Gem For Jewellery
Located in Peshawar, PK
Loose Amethysts Weight: 10.65 Carats Dimension: 15.7 x 11.2 x 8.8 Mm Colour: Purple Origin: Brazil Treatment: Non Certificate: On Demand Shape: Cushion Amethyst, a stunning variet...
Amethyst
$240Sale Price|20% Off
3.65 Carat Natural Loose London Blue Topaz Baguette Shape Ring Gem
Located in Peshawar, PK
Loose London Blue Topaz Weight: 3.65 Carats Dimension: 8.5x8x5.8 Mm Origin: Brazil Color: Dense Blue Shape: Baguette Treatment: Non Certificate: On Client Demand London Blue Topaz...
Topaz, Blue Topaz
$200Sale Price|50% Off
2.05 Carat Natural Loose Emerald Shape Indicolite Tourmaline Gem For Ring
Located in Peshawar, PK
Loose Indicolite Tourmaline Weight: 2.05 Carats Dimension: 10.3 x 5.7 x 4 Mm Origin: Afghanistan Colour: Blue Treatment: Non Certificate: On Demand Clarity : Included Shape: E...
Indicolite, Tourmaline
$240Sale Price|20% Off
14.05 Carat Natural Loose Amethyst Long Emerald Shape Gem For Necklace
Located in Peshawar, PK
Loose Amethyst Weight: 14.05 Carats Dimension: 19.3 x 9.9 x 10 Mm Colour: Purple Origin: Brazil Treatment: Non Certificate: On Demand Shape: Emerald Amethyst, a stunning variety of...
Amethyst
$240Sale Price|20% Off
9.55 Carat Natural Loose Amethyst Oval Shape Gem From Brazilian Mine
Located in Peshawar, PK
Loose Amethyst Weight: 9.55 Carats Dimension: 14.4 x 12.6 x 9.6 Mm Colour: Purple Origin: Brazil Treatment: Non Certificate: On Demand Shape: Oval Amethyst, a stunning variety of ...
Amethyst