Grace kelly s engagement ring 4 06 million.
Most expensive stone ring.
Most of the gems on this list have a mohs hardness equal to or greater than 7.
Here is the top 10 list of most expensive gemstones in the world.
That s a good indicator that a stone is suitable for the rigors of daily ring wear.
What gemstone is most valuable.
Coming in at number 4 on the world s most expensive engagement rings is the classic one that prince rainier iii of monaco gave grace kelly.
If you think dropping 500 000 of an engagement ring is a big deal then keep reading as you they continue to get even more expensive.
The ring has a huge diamond centerpiece a 33 carat asscher cut krupp diamond and it is set on a ring with a platinum band.
Mohs hardness measures a material s resistance to scratching.
The first most expensive engagement ring on the list is owned by american rapper cardi b.
Before you buy an expensive engagement ring stone.
Tanzanite 1 200 per carat black opal 9 500 per carat red beryl 10 000 per carat musgravite 35 000 per carat alexandrite 70 000 per carat emerald 305 000 per carat ruby 1 18 million per carat pink diamond 1 19 million per carat.
Rounding up our top twelve priciest rings in the world is the krupp diamond ring valued at 8 8 million.