Authenticity Certificate issued by the ALGT, Antwerp Laboratory for Gemstone Testing. Nr 27648160 18K White gold necklace , stamped K18WG. Weight 30.75gr With a steel wire. This necklace measures 41cm with an extra lengthener of 6cm. The necklace contains 7 top quality high lustered huge white South Sea Pearls. Produced in the warm oceans of Australia, the South Sea pearls were hand selected for their huge size, natural vibrant white colours and rich luxurious lustre. Pearls: - Type: South Sea - Origin: Australia - Oyster: Pinctada Maxima - Color: Vibrant white - Shape: Round - Surface: Clean and smooth with light natural growth characteristics - Luster: Excellent - Size: 13.5x15.5mm Gold: 18K White Gold, hallmarked. Packaging: Necklace Jewellery box and an Authenticity Certificate to guarantee the source and quality of the pearls. Insured track and trace delivery.