Stone type: Natural Lemon Quartz, Shape: Oval chessboard, Color: Yellow greenish, Weight carat: 18.20, Treatment: Unknown, Source: Brazil, Stone Clarity: Visible inclusions, Stone size mm: 18.00x16.10, Sale information: Price by piece

Stone type: Natural Lemon Quartz, Shape: Trillion, Color: Light yellow, Weight carat: 1.70 - 2.25, Treatment: Unknown, Source: Brazil, Stone Clarity: Eye clean, Stone size mm: 8.80x8.8.60 - 8.80x8.70, Sale information: Price by piece

Stone type: Natural Lemon Quartz, Shape: Briolette, Color: Light yellow, Weight carat: 1.90, Treatment: Unknown, Additional details: Slightly chipped, Source: Brazil, Stone Clarity: Eye clean, Stone size mm: 10.14x4.92, Sale information: Price by piece

Stone type: Natural Smoky Quartz, Shape: Cushion, Color: Dark brown, Weight carat: 3.85, Treatment: Heated, Source: Brazil, Stone Clarity: Eye clean, Stone size mm: 10.10x10.10, Sale information: Price by piece

Stone type: Natural Smoky Quartz, Shape: Cushion, Color: Dark brown, Weight carat: 10.90, Treatment: Heated, Additional details: Asymmetrical handmade cut, Source: Brazil, Stone Clarity: Eye clean, Stone size mm: 16.00x12.00, Sale information: Price by piece

Stone type: Natural Lemon Quartz, Shape: Trillion, Color: Light yellow, Weight carat: 1.65 - 2.20, Treatment: Unknown, Source: Brazil, Stone Clarity: Eye clean, Stone size mm: 8.40x8.50 - 8.90x9.00, Sale information: Price by piece