Platinum engagement rings

Vintage, Emerald and Diamond Three-Stone Ring, Platinum

Vintage, 1930s Solitaire Old Cut Diamond Engagement Ring, 18ct Yellow Gold and Platinum

Vintage, 1930s Diamond Engagement Ring, 18ct Yellow Gold and Platinum

Vintage, blue topaz & diamond ring, platinum

Antique, Edwardian aquamarine & diamond square cluster ring

Vintage, 1950s diamond engagement ring, 14ct white gold & platinum

Antique | Art Deco, platinum, sapphire & diamond ring

Vintage | Art Deco, platinum, large diamond three-stone ring

Art Deco, platinum, diamond cluster ring

Vintage, Art Deco 8ct Sri Lankan sapphire & diamond ring, platinum

Antique, pearl & diamond cluster ring, 18ct yellow gold & platinum

Vintage, 7ct sapphire & diamond cluster ring, platinum

Art Deco, round sapphire & diamond ring, platinum

Vintage, Art Deco zircon & diamond ring, platinum & iridium

Burma blue sapphire & diamond three-stone engagement ring, platinum

Art Deco, cabochon sapphire & diamond cluster ring, platinum

Vintage pink sapphire & diamond ring, platinum

Vintage, Art Deco diamond cluster ring, platinum

Art Deco, cushion-cut ruby & diamond cluster ring, platinum

Antique, Belle Époque, amethyst & diamond cluster ring, platinum

Antique, Belle Époque diamond bombé ring, platinum

Vintage, 1930s exceptional sapphire & diamond cluster ring, platinum

Antique, Edwardian, five-stone diamond ring, 18ct yellow gold & platinum

Edwardian, sapphire & diamond three-stone engagement ring, platinum

Edwardian, French, platinum, natural pearl & diamond ring

Exceptional, Edwardian, natural pearl & diamond ring

Antique Art Deco sapphire & diamond engagement ring

Antique, Art Deco old-cut diamond five-stone half hoop

Art nouveau, French, 18ct gold, platinum, diamond ring

Antique, Edwardian topaz & diamond cluster ring, platinum

Belle Époque | platinum, sapphire & diamond ring

Beautiful design | Edwardian, platinum, sapphire & diamond cluster ring

Art Deco royal blue sapphire & diamond target cluster ring, platinum

French, 1950s, yellow sapphire & diamond ballerina cluster ring

Vintage, 1940s three-stone old-cut diamond plaque ring, 18ct white gold

Engagement | 18ct white gold, 1.50ct diamond solitaire ring

Edwardian royal blue sapphire & diamond engagement ring, platinum

Art Deco, Burmese ruby & diamond three-stone engagement ring

Art Deco, ruby & diamond three-stone engagement ring, platinum

Art Deco, platinum, diamond & sapphire ring

Art Deco | 1920s, platinum, diamond engagement ring

Art Deco sapphire & diamond engagement ring, platinum

1920's Art Deco, diamond engagement ring

Vintage, Art Deco sapphire & diamond three-stone engagement ring, platinum

Vintage ruby & diamond 1950s ring, 18ct yellow gold & platinum

Vintage, Art Deco garnet & diamond ring, platinum

Edwardian, sapphire & diamond engagement ring, 18ct yellow gold, platinum

Art Deco | platinum, emerald & diamond three-stone ring

Art Deco, 1930s, sapphire & diamond band ring

1920s Art Deco sapphire & diamond cluster engagement ring, platinum