The brilliance of the opal from the dreamtime outback. The elegance of the Argyle diamond from Western Australias Kimberley ranges. The romance of the South Sea pearl from the waters around Broome.Costellos is a family company with a tradition of service established over three generations. We are a recognised authority on Australian gemstones and all our merchandise is backed by an international Certificate of Guarantee.

Address: PO Box Z5445, St Georges Terrace Perth WA 6831 AUSTRALIA
Telephone: +61 8 9325 8588
Fax: +61 8 9325 7931
Website: http://www.costellos.com.au/