Mitaine has dated this piece to the Edwardian era.
A really lovely ring which is a size 4.5 but can be sized up. It is marked for 18k gold please ask for a quote for this. In one photo with the Ruby rings it is just the sapphire and diamond ring listed in this listing, the others are separate listings.

SHIPPING
All orders will be posted with a full tracking and signed for service.
FREE DELIVERY on all orders worldwide.
Express Delivery is FREE on all orders over £500 GBP.
Orders placed by 12pm GMT will be dispatched within 25 hours.
If your order is under £500 but you require express shipping please let us know and we will add this to the order.
REFUNDS
Please contact us within 14 days of receipt of the item and a full refund will be given on its return.
Mitaine has dated this piece to the Edwardian era.
Specialises in antique fine jewellery
You can view the stock and full dealer information on the Mitaine Profile Page