Platinum Specialist Custom Designed Engagement And Wedding Rings. Jewellery Designers - The Rocks, NSW . Service: Design, Handmade, Made to Order, Repairs. Item: Earrings, Engagement Sets, Rings. Hours of Operation: Open Monday - Friday, Open Saturdays, Open Sundays. Service Option: By Appointment, Free Quotes, Quotes. Material: Diamonds, Gold, Pearls, Silver. Style: Contemporary. Trade: Appraisers. Payment Method: American Express, Cash, Direct Debit, EFT, EFTPOS, Mastercard, Visa