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A - B C - E F - G H - L
Aboveground Diamond
Cabochon Facet Hallmark
Amethyst Carbon Fancy Colour  Heart-Cut
Assay / Hallmarking Channel Setting Fancy Cut Hoop Earring 
Cocktail Ring Fashion Jewellery Helix
Cleavage Fine Jewellery Huggie Hoop Earring
Alloy Choker Fire (diamond)  IGI (Certificate)
Asscher-cut Clarity Flawless (IF) Inclusion/ Included
Aquamarine Cubic Zirconia (CZ) Freshwater Pearl Iridescence
Arrows Cultivated Diamond Finish Jabot Pin
Akoya Pearl Cameo Flash Jewellery
Baroque Pearl Carat Fluorescence Keshi
Bangle Claw(s) G.I.A Kunzite
Beryl Colour Gilding Jade
Black Diamond Chocolate Diamond Gold-Plating Jasper
Brooch Cluster Gauge Keeper Ring 
Brass Costume Jewellery Gemstone Knife-Edge
Butterlfy Culet Grain Krypell
Brilliant-Cut Ear Cuff G.I.A 4Cs Clarity Lapidary
Baguette Emerald-Cut Living Jewellery
Brilliance Eternity Ring/Band Lapis Lazuly
Bronze Engagement Ring  Loupe
Bangle Vs. Bracelet Eye Clear Luster (Pearls) 
Dispersion (See Fire)
M - O


P - Q

R - U V - Z
Marquise Cut Pavillion Radiant Cut Vermeil
Martini Setting Platinum Rubover Verneuil proces
Melee Diamond Pleochroic Rebus  Vintage Jewellery
Micro Pave Pearl Necklace Lengths Rhodium-Plated White gold
Milgrain Puzzle Ring Rolled Gold Wirework
Moissanite Quadrillion (cut) Rose Cut Yellow gold
Mohs Scale of Hardness Quartz Repoussé Zircon
Morganite Saddle Ring Zoisite
Nacre Sapphire
Natural Pearl Signet Ring
Nicolo Silver Plate
Nickel Spinel 
Nucleated pearls Studs
Open Back Seed Pearl
Non-nucleated pearls  Silver
Organic Gem Solitaire
Oxidation Sterling
Onyxs Titanium
Upper Girdle (Facets)