Anthony Alan – Cape Town’s Trusted Luxury Goods Dealer. Anthony Alan is a reputable buyer and seller of high-end luxury goods based in Cape Town, South Africa. The business specializes in Swiss watches, diamonds, gold, fine jewellery, and art. Operated by industry experts Anthony Alan and Alan Seaberg—both certified members of the Diamond Association of South Africa—the company is known for its trustworthiness, discretion, and in-depth knowledge of luxury markets