Vintage Cartier Topaz Signet Ring Size:5 in this case we have

in this case we have the diamonds for enduring love

and are strung from a 9 karat gold clasp set with a turquoise and further pearls

made circa 1880

Excerpt from Bryant's The Chelsea Porcelain Toys (1925) p

Vintage Cartier Topaz Signet Ring Size:5 in this case we haveDATE: Vintage, 1999 A striking vintage Cartier signet ring set with a blue topaz. It's beautifully made, modelled in 18 karat white gold, and dating from the late '90s. The stone is unusually cut, with a shallow domed cabochon top and pavilion facets underneath. STONES Topaz MEASUREMENTS Width at head: 5. 9mm Width of band: 4. 1mm WEIGHT 9. 6g MARKS Signed Cartier 750 With inscription: Cristel et Laurent, 12. 11. 1999 CONDITION Very good, light wear