The Ethera sees the classic tennis design elevated with a magnificent blue sapphire in its centre, whose colour is contrasted by a luminous array of diamonds. This piece can be set with either natural or lab-grown diamonds.
Rates based on shipping destination or collection point.
United States: VAT is not included at checkout but charged once your item is transferred to a local shipping agent. Your local VAT rate will apply. Import duties may also apply.
All natural diamonds in our catalogue are certified conflict free and comply with the Kimberley Process Certification Scheme (KPCS). This ensures diamonds are sourced responsibly and do not fund armed conflict. Each centre diamond is independently graded by leading laboratories such as GIA. Learn more in our Responsible Sourcing Policy.
Perfecting the art of storytelling — one piece at a time. See your ideas come to life at the hands of 77's master jewellers.
All postage is free, wherever you live. Your order is sent fully insured via Royal Mail or FedEx, straight to your door. High-value items may ship with specialist couriers such as Malca-Amit or Brinks. Returns or exchanges are available within 30 days.
With any purchase at 77 Diamonds, you receive a lifetime warranty covering manufacturing issues. If this ever occurs, all necessary repairs are carried out free of charge. For more details, please visit our Terms & Conditions.
We take extra care in making your jewellery as perfect as can be. Receive your handcrafted item in our signature yellow box, beautifully wrapped and ready for your moment.
You have chosen the Ethera Tennis Necklace in White Gold.
We take care in making your jewellery as perfect as can be. Receive your handcrafted piece in our signature yellow box, all neatly wrapped and ready for your moment.