Sophie 
Size K (confirmed with 3D printed rings) 
Shaped to fit around existing engagement ring as per 3D printed ring sent
Hammered finish
18ct gold ring - using existing chain
Estimated width 2mm
Estimated weight of 18ct gold required - 2.9g
 
Ben
Size Z+3 (confirmed with 3D printed rings) 
9mm wide
18ct gold mountain ring - using existing chain
Westmorland Green slate
Option 2 design as per email - accentuated hills view from Scout Scar
Estimated weight of 18ct gold required - 21.6g
 
Weight of 18ct chain - 29.5g
Total estimated weight of 18ct gold required - 24.5g
Estimated amount leftover (some of this will be subject to melting loss) - 5g
There is the option for us to buy the remaining gold in return for a £450 credit to your order.
 
Please note that we try to be as accurate as we can when calculating weights, but as all items are made by hand individually, some variance can occur. There can also be small weights lost when cutting and melting.
 
Rings to be made and delivered by April
 
Subtotal: £980
Take £100 design fee already paid: £880
If we purchase remaining gold for £450 : £430