This glossary helps you understand the various terms used when talking about watches and jewellery. You can find definitions or read the comparisons of different types of metals, from steel to gold to titanium and to platinum. There are also sections comparing the different types of movements, crystals and water resistance for watches, as well as descriptions of the different types of jewellery that we offer.

	A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

	A Abrasions Adamas Agate Alexandrite Amazonite Amber Amethyst Analogue Andalusite Apatite Aperture Appraisal Aquamarine Asscher Cut Diamonds Automatic Movement [back to top] B Baguette Cut Diamonds Ballerina Setting Band (Wedding) Baroque Pearls Barrel Beryl Bezel Bi-directional Rotating Bezel Birthstones Black Cultured Pearls Blemish Blood Diamonds Bloodstone Bracelet Brilliant Cut Diamonds [back to top] C Calibre Carat (ct) Carbochon Case Cat's Eye Certification Chain Chalcedony Chronograph Chronometer Chrysoberyl Citrine Clarity Cluster Setting Colour Coloured Diamonds Complication Conflict Diamonds Coral Cornelian Corundum Cushion Cut Diamonds Crown Crystal Culet Cultured Pearls Cut [back to top] D Delivery Information Depth Dial Diamond Diamond Cleaning Digital Dimensions Dirty Gold Dispersion Diver's Watch Drop Earring Dual Time Zone (GMT) [back to top] E Earrings Ebauche Emerald Emerald Cut Diamonds Enamel Engagement Rings Escapement Eternity Rings [back to top] F Facets Feather Feldspar Fire Fire Opal Flaw Flyback Hand Four C's Fracture Fresh Water Pearls [back to top] G Garnet Gasket Gemstones Girdle Gold Gold Plating Graduated Mount Grande Complication Guilloche [back to top] H Haematite Half-Hunter Case Hand Heart Cut Diamonds Hoop Earrings Horology Hunter Case [back to top] I Inclusions [back to top] J Jade Jet Jewellery Jewellery Cleaning Jewels [back to top] K Kimberley Process, The Kinetic Quartz Movement [back to top] L Lapis Lazuli Liquid-Crystal Display (LCD) Loupe [back to top] M Mainspring Manually Wound Marcasite Marquise Cut Diamonds Mechanical Movement Melee Minute Repeater Mohs Scale Moissanite Moon-phase Display Moonstone Movement [back to top] N Necklaces [back to top] O Onyx Opal Oval Cut Diamonds [back to top] P Pave Setting Pavillion Pear Cut Diamonds Pearls Pendant Perpetual Calendar Platinum Polish Power Reserve Princess Cut Diamonds [back to top] Q Quality Control Quartz Quartz Movement [back to top] R Radiant Cut Diamonds Ring Setting Ring Sizing Rings Rough Diamonds Rub Over Setting Ruby [back to top] S Sapphire Sapphire Crystal Setting Shank Shape Silver Solar Tech Solid Bail Solid Setting Solitaire Split Bail Split Setting Stainless Steel Strap Stud Earrings Sub-dial Symmetry System of Warranties (SoW) [back to top] T Table Tachymetre Tanzanite Titanium Tonneau Topaz Tourbillion Tourmaline Train Trillion Cut Diamonds Turquoise Twist Setting Two Tone Gold [back to top] U Ultrasonic Cleaning [back to top] V [back to top] W Watches Water Resistant Wedding Ring/Band Weight White Gold [back to top] X [back to top] Y Yellow Gold [back to top] Z Zirconia, Cubic [back to top]