Skip to product information
Black Tourmaline Loose Gemstone in Trillion Shape (12.0mm) 7773007 0
Black Tourmaline Loose Gemstone in Trillion Shape (12.0mm) 7773007 0
Black Tourmaline Loose Gemstone in Trillion Shape (12.0mm) 7773007 1
Black Tourmaline Loose Gemstone in Trillion Shape (12.0mm) 7773007 2
Black Tourmaline Loose Gemstone in Trillion Shape (12.0mm) 7773007 3
Black Tourmaline Loose Gemstone in Trillion Shape (12.0mm) 7773007 4
Black Tourmaline Loose Gemstone in Trillion Shape (12.0mm)

Black Tourmaline Loose Gemstone in Trillion Shape (12.0mm)
£39.99
Order by 5PM to get it by 21, Sep 2026
Selected Size: 12 MM

Size Guide

Select size in

Below are body measurements to easily help you find your size. The fit of the garment may vary based on the style and fabric.

UK SIZE GUIDE

& Maisi and Styled By

International: S M L XL XXL
UK Size Guide 8 10 12 14 16 18 20 22 24 26
INCHES CMS INCHES CMS INCHES CMS INCHES CMS INCHES CMS INCHES CMS INCHES CMS INCHES CMS INCHES CMS INCHES CMS
Bust 32.5 83 34.2 87 36.2 92 38 97 40 102 43 109 45.2 115 48.8 124 51.5 131 54.3 138
Waist 27.5 70 28.7 73 30.3 77 32.2 82 34.2 87 36.5 93 39.3 100 42 107 45 114 47.5 121
Hip 36.2 92 37.7 96 39.3 100 41 104 43 109 45.5 116 49.2 125 52 132 54.7 139 57.5 146

UK standard size guide for other brands

UK Size 8 10 12 14 16 18 20 22 24
INCHES CMS INCHES CMS INCHES CMS INCHES CMS INCHES CMS INCHES CMS INCHES CMS INCHES CMS INCHES CMS
Bust 32.25 82 34.25 87 36.25 92 38 97 40.25 102.5 42.5 108 45 114 47.25 120 49.5 126
Waist 25.5 65 27.5 70 29.5 75 31.75 80.5 34 86 36.25 92 38.5 98 41 104 43.25 110
Hip 35.5 90 37.5 95 39.5 100 41.5 105 43.25 110 45.25 115 47.5 121 50 127 52.5 133

Dual Size (UK)

EU Size S M L XL XXL
UK Size 8 - 10 12 - 14 16 - 18 20 - 22 24 - 26
INCHES CMS INCHES CMS INCHES CMS INCHES CMS INCHES CMS
Bust 32.5 - 34.25 82 - 87 36 - 38 92 - 97 40.3 - 42.5 102.5 - 108 45 - 47 114 - 120 49.5 - 52 126 - 132
Waist 25.5 - 27.5 65 - 70 29.5 - 31.5 75 - 80.5 34 - 36.7 86 - 92 38.5 - 41 98 - 104 43.3 - 45.5 110 - 116
Hip 35.5 - 37.5 90 - 95 39.3 - 41.3 100 - 105 43.3 - 45.2 110 - 115 47.5 - 50 121 - 127 52.3 - 54.7 133 - 139

Regatta Size Chart

Womens Jackets & Coats

SIZE CHEST TOTAL LENGTH SLEAVE LENGTH
12 108 cm 71 cm 66 cm
14 113 cm 73.5 cm 66.5 cm
16 118 cm 73.5 cm 67 cm
18 125.5 cm 76 cm 67.5 cm
20 130.5 cm 76 cm 68 cm
22 138 cm 78.5 cm 68.5 cm
24 143 cm 78.5 cm 69 cm
26 148 cm 78.5 cm 69.5 cm

& Maisi and Styled By

One Size (8 - 18) One Size Curve (20 - 24)
INCHES CMS INCHES CMS
Bust 43 118 51.5 131
Waist 36.5 93 45 114.3
Hip 45.5 116 54.7 139

Trouser LENGTH

INCHES CMS
Short 29 74
Regular 31 79
Long 33 84

Dress LENGTH (& Maisi and Styled By)

INCHES CMS
Midi 45.2 115
Maxi 51 130

How to measure yourself

International Size Conversions

International Size UK Size US Size German Size French Size Italian Size
S 8 4 34 36 40
10 6 36 38 42
M 12 8 38 40 44
14 10 40 42 46
L 16 12 42 44 48
18 14 44 46 50
XL 20 16 46 48 52
22 18 48 50 54
XXL 24 20 50 52 56
26 22 52 54 58
Out of stock

Get Notified when this product is back in stock

Why choose TJC ?

30 days

Easy Returns

100% Secure

Checkout

24/7

Customer Service

Product Highlights
About the Product

Discover the allure of our black tourmaline loose gemstone, expertly cut into a mesmerising trillion shape with a diameter of 12.0mm. This captivating gemstone is known for its deep, opaque black colour that radiates a sophisticated charm, making it a perfect choice for those seeking a unique addition to their collection. Its exceptional cut enhances the stone's natural brilliance and ensures it stands out in any setting. Ideal for custom jewellery designs, this gemstone is both versatile and striking.

  • Perfect for bespoke jewellery, offering a unique, eye-catching centrepiece.
  • Naturally durable, making it suitable for everyday wear in various jewellery settings.
  • Ranks 7 to 7.5 on the Mohs scale of hardness.
  • Celebrated as a birthstone for October, adding a personal touch for those born in this month.
Product Details
Brand TJC Shop
Product Code 7773007
Number of Gemstones 1
Total Gem Weight 1.0 ct
Type Gemstone
Size 12 MM
Packing Boxed
Article Type gemstone
Main Stone Name black tourmaline
Shape Trillion
Gemstone Family Tourmaline
Item Count 1
Product Packaging Boxed
Delivery & Returns

Free standard UK delivery on orders over £65. Offer may vary depending on site promotions.

Standard Delivery: 3 - 5 Working days. £2.99 for 1 quantity order or £4.99 for 2 or more quantity order.

Returns: Just ensure that we receive it back within 30 days of you receiving it, to receive a full refund (including VAT)*.  View all return & refund information.