London Blue Topaz, like its Swiss and Sky blue counterparts, scores an 8 on the Moh’s Hardness Scale; making it a 'daily-wearer' that can take knocks and jolts Sterling silver engagement rings are given to show devotion not wealth...Spend the 3 month’s salary, that they say you should buy a diamond with, on creating a honeymoon memory! Silvershake 1.43ct. Genuine London Blue and White Topaz 925 Sterling Silver Engagement Ring; is shipped to you in anti-tarnish protection inside reinforced gift boxes with satin-style pouches; guaranteed beyond competitors Topaz, like Diamond, possesses so much fire that when Portuguese jewelers crafted the Portuguese Crown Jewels in the late 16th Century they named a 1680 carat Topaz: the 'Braganza Diamond' Silvershake 1.43ct. Genuine London Blue and White Topaz 925 Sterling Silver Engagement Ring