4 to 6 Carats Categories: All Collections Gems Carvings Chrysanthemums Curvatures Fantasy Cut Innerscapes Jewellery Melange Melee Sets Pairs Motifs and Stories Psychonaut Gems by Type Agate Alexandrite Amethyst Ametrine Aquamarine Beryl Carnelian Chalcedony Chrysoprase Citrine Emerald Garnet Jade Lapis Lazuli Morganite Opal Peridot Prasiolite Rock Crystal Rose Quartz Ruby Sapphire (Australia) Sapphire (World) Smoky Quartz Spinel Sunstone Tanzanite Topaz Topaz Blue Tourmaline Turquoise Zircon Gems by Weight Under 2 Carats 2 to 4 Carats 4 to 6 Carats 6 to 10 Carats 10 to 20 Carats 20 to 100 Carats Over 100 Carats Gems by Colour Black Blue Clear Green Green Blue Teal Grey Orange Parti Pink Purple Red Smoky White Yellow Gems by Shape Cabochon Carved Freeform Heart Hexagon Octagon Oval Pear Pentagon Rectangle Round Square Triangle 4 to 6 Carats All Collections Gems by Type Gems by Weight Under 2 Carats 2 to 4 Carats 4 to 6 Carats 6 to 10 Carats 10 to 20 Carats 20 to 100 Carats Over 100 Carats Gems by Colour Gems by Shape Tanzanian Tsavorite Garnet - Rectangle Cushion - 5.79ct Zambian Amethysts - Matched Pair Antique Rounds - 4.54ct, 4.55ct Madeira Citrine - Lion - 5.44ct Australian Parti Sapphire - Rectangle Radiant - 4.38ct Out of Stock Australian Yellow Blue Parti Sapphire - Rectangle Cushion - 5.46ct Sri Lankan Golden Yellow Sapphire - Asscher Style Cut - 4.01ct Australian Green Blue Parti Sapphire - Square Cushion - 4.11ct Australian Green Blue Parti Sapphire - Rectangle Cushion - 5.46ct Madagascan Green Blue Teal Sapphire - Emerald Cut - 5.01ct Madagascan Green Sapphire - Cushion Cut - 4.06ct Madagascan Green Sapphire - Cushion Cut - 4.55ct Seafoam Blue Green Tourmaline - Rectangle Cushion - 5.61ct Carnelian - Reverse Intaglio Rectangle - Pegasus - 5.14ct Out of Stock Australian Blue Sapphire - Oval - 4.3ct Ceylon Blue Sapphire - Oval - 4.08ct Ceylon Blue Sapphire - Oval - 4.51ct Ceylon Blue Sapphire - Rectangle Cushion - 4.64ct Ceylon Blue Sapphire - Oval - 4.66ct Ceylon Blue Sapphire - Rectangle Cushion - 4.27ct Burmese Grey Spinel - Emerald Cut - 4.08ct Bicolour Tourmaline - Hexburst - 4.65ct Persian Turquoise - Oval Cabochon - 5.18ct Persian Turquoise - Oval Cabochon - 5.16ct Australian Green Parti Sapphire - Polished Dogtooth Crystal - 4.07ct Afghan Green Tourmaline - 5.84ct - Rectangle Cushion Ceylon White Sapphire - Round Brilliant - 5.03ct Ceylon Royal Blue Sapphire - Cushion - 4.1ct Australian Green Blue Sapphire - Trillion - 4.8ct Australian Green Blue Sapphire - Rectangle Cushion - 4.07ct Australian Green Blue Sapphire - Oval - 5.48ct Australian Parti Sapphire - Oval - 4.24ct Australian Parti Sapphire - Oval - 4.62ct Out of Stock Amethyst - Matched Pair Antique Round - 7.78ct Out of Stock Blue Indicolite Tourmaline - Long Baguette Cut - 5.77ct Blue Sapphire - Matched Pair Ovals - 4.38ct Blue Green Tourmaline - Matched Pair Cushion Cuts - 4.10ct Blue Indicolite Tourmaline - Matched Pair Cushion Cuts - 5.83ct Australian Sapphire - 5mm Round Melee - Matched Set Colour Run - 5.5 ct Out of Stock Rhodolite Garnet - Split Mains Round Brilliant - 4.48ct Australian Topaz - SG1 - 4.04ct Smoky Quartz - Buff Top Concave Rectangle Cushion - 5.8ct London Blue Topaz - Turbine Cufflinks Out of Stock Rhodolite Garnet - SG1 Round Brilliant - 5.16ct Blue Zircon - Chrysanthemum - 4.01ct Blue Zircon - Square Brilliant - 5.03ct Green Tourmaline with 18K Yellow Gold - Chrysanthemum Pendant Rhodolite Garnet - Supernova Oval - 5.98ct Out of Stock Citrine - Round Brilliant - 4.41ct Citrine - Brilliant Pear - 4.84ct Australian Parti Sapphire - Trillion - 4.58ct Out of Stock Australian Green Sapphire - Round Brilliant - 4.1ct Australian Green Sapphire - Round Brilliant - 4.42ct Australian Parti Sapphire - Round Brilliant - 4.77ct Out of Stock Australian Green Bronze Sapphire - Tapered Baguette - 4.07ct Australian Blue Sapphire - Baguette - 4.32ct Australian Bronze Green Sapphire - Freeform - 4.97ct Australian Blue Green Sapphire - Freeform - 4.7ct
