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Pearls – natural, cultured and treated
The natural beauty of pearls is increasingly being enhanced by a variety of treatments.
Cutting Edge – Tolkowsky’s brilliant career
Gabi Tolkowsky, the world's most famous diamond cutter, reveals the secrets behind his success.
JAA issues diamond alert
The Jewellers Association of Australia has warned jewellery retailers and suppliers to keep away from inaccurately graded diamonds.
Topaz, tanzanite and treatments
Like almost all precious and semi-precious gemstones topaz and tanzanite are increasingly being enhanced with treatments.