Solid Platinum Half Eternity Princess Cut 0.50ct Diamond Engagement Ring Size N Seven Stones


Gorgeous platinum princess cut diamond half eternity ring.

Set with seven beautiful square table cut diamonds.

The 2.2 mm diamonds are channel set in platinum.

Colour G/H, clarity VSI.

Their total weight is about half a carat.

The ring is 4 mm wide at the front and 2.7 at the base of the shank.

This ring is fully hallmarked for London platinum with the makers mark LB Ld.

This quality ring weighs 6.1 grams.

The size is N (UK), 6 3/4 (USA) & 53.5 (European)?.

This ring is in excellent vintage condition.

This fabulous ring looks stunning when worn.

our ref: 1222


Out of stock


Jewellery Facts 

Carat has two distinct meanings

Carat can refer to the quality or purity of gold –

pure gold ie  a metal that is 100% gold and nothing else but gold, is known as pure gold or 24 carat gold

So for example with this ring – which is 18 carat ie 18/24s gold or put another way, 18 divided by 24 is 0.750  or 3/4

You may see jewellery marked 0.750 which is a some what modern way of writing 18ct as we say in the UK and 18k as they say in the rest of the world

Secondly carat can refer to the weight of precious stones such as diamonds and sapphires

One carat is 1/5 of a gram – so 1/2 of a carat is 1/10 of a gram

Platinum marks 

 In 1973 platinum was first covered by the hallmarking act,  A standard of 950 parts per thousand was introduced.

The platinum mark is an orb with a cross on the top all set within a pentagon.

First pieces  were marked  in January 1975 at the London assay office

Jewellery Periods


Victorian        Victoria     1837 – 1901

Edwardian     Edward  V11   1901 – 1910

Belle Epoque    Garland   Art Nouveau   Art Deco

please contact Paula for more details and to discuss price