Known as the May birthstone, most Emeralds mounted in Emerald Rings are immersed in oil to fill the cracks and fissures to which emeralds are prone, this is usually done both at the mine and at the cutters. Emerald oiling for Gold or Platinum Emerald Rings reduces the visibility of inclusions and improves the clarity of the stone. Sometimes green oil is used in addition to other more permanent fillers. Because oil filling of Emeralds has become almost universal, it is not considered essential to disclose this fact. Anyone wishing to buy a high quality or expensive Emerald should request a gemstone laboratory certificate stating that the stone is ‘natural' and not oiled, but be prepared to pay a great deal extra for such a stone.

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Estate Emerald Engagement Ring $25,000.00	Vintage Engagement Ring $6,000.00	Art Deco Emerald Engagement Ring $8,500.00	Estate Emerald Ring $1,820.00
Emerald Estate Ring $650.00	Vintage Emerald Ring $3,900.00	Emerald Engagement Ring Special Order	Estate Men's Colombian Emerald Ring $18,500.00
Edwardian Emerald Wedding Set $2,600.00	Brazillian Emerald Estate Ring $3,900.00	Estate Emerald Ring $780.00	Estate Emerald Ring $1,170.00
Estate Emerald Diamond Ring $780.00	Estate Emerald Ring $910.00	Estate Emerald Ring $2,600.00	Art Deco Emerald Ring $2,860.00
Art Deco Emerald Engagement Ring $5,500.00	Estate Emerald Engagement Ring $650.00	Emerald Engagement Ring Special Order	African Emerald Engagement Ring $1,950.00

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