A pink sapphire is the centerpiece of new mom Princess Eugenie's engagement ring, which she showed off in September to announce her baby news. Princess Diana and Kate Middleton wearing the ...

The pink sapphire engagement ring is between 6 and 7 carats and cost approximately $400,000, according to experts at retailer JamesAllen.com. The oval shape mirrors the look of Kate Middleton’s ...

This is *not* a pink diamond, but it is a rare type of sapphire. At least according to Andrew Brown, President of WP Diamonds, who told E! that Gaga's ring appears to be a "6-7 carat pink sapphire ...

Lady Gaga's rumored engagement ring from Christian Carino features a pink center stone between 11 and 13 carats — either a diamond or sapphire —and could be worth up to $1 million.

See Victoria Beckham's 15 engagement rings, from huge sapphires to square-cut yellow diamonds, all gifted by her husband David Beckham.

Gemologist and diamond expert Grant Mobley told INSIDER that the popular ring style "represents enduring love." ...