An antique rose cut diamond engagement ring, circa 1870. Principal diamond 1.6ct surrounded by 16 rose cut diamonds set in 18ct yellow gold and silver.  Originally the clasp of a necklace transformed into an oval ring.

• Diamond: 1 rose cut 1.60ct
• Diamond: 16 rose cut
• Metal: 18ct yellow gold and silver
• Hallmark: not visible, touchstone tested
• Dimensions: top of ring 1,56 cm x 1,89 cm
• Ring Size: EU: 54 & 17¼ , Size USA: 6¾ , Size UK: N
• Gross weight: 5,60 gram (3,60 dwt)
• Condition:  Good