Collection: Calibrated Rubies
Our Calibrated Ruby stones are crafted to deliver the finest color, luster, and precision for jewelry making. Each ruby displays a rich red hue with exceptional brilliance and uniform dimensions — ideal for rings, earrings, and luxury collections.
Sourced from trusted mines and cut to exact calibrated sizes, these stones are popular among jewelers in the USA and Europe for consistent quality. Available in rounds, ovals, pears, and more, calibrated rubies add elegance and value to every design.
Buy loose calibrated rubies online and experience superior craftsmanship tailored for high-end jewelry production.
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Natural African Untreated Calibrated Ruby Ovals | 7x9mm
Regular price From $3,119.40 USDRegular priceUnit price per$7,725.89 USDSale price From $3,119.40 USDSale -
Natural African Untreated Calibrated Ruby Ovals | 11x13mm & 12x16mm
Regular price From $2,889.00 USDRegular priceUnit price per$7,725.89 USDSale price From $2,889.00 USDSale -
Natural African Untreated Calibrated Ruby Pears | 7x9mm
Regular price From $2,806.20 USDRegular priceUnit price per$7,725.89 USDSale price From $2,806.20 USDSale -
Natural Ruby Unheated Calibrated Ovals Layout
Regular price $2,223.59 USDRegular priceUnit price per$2,615.99 USDSale price $2,223.59 USDSale -
Natural African Untreated Calibrated Ruby Hearts | 6mm
Regular price From $1,639.80 USDRegular priceUnit price per$7,725.89 USDSale price From $1,639.80 USDSale -
Natural African Untreated Calibrated Ruby Ovals | 10x12mm
Regular price From $1,629.00 USDRegular priceUnit price per$7,725.89 USDSale price From $1,629.00 USDSale -
Natural African Untreated Calibrated Ruby Pears | 5x7mm & 6x8mm
Regular price From $989.10 USDRegular priceUnit price per$7,725.89 USDSale price From $989.10 USDSale -
Natural Mozambique Untreated Untreated Calibrated Ruby | 19.06cts
Regular price $900.00 USDRegular priceUnit price per$1,800.00 USDSale price $900.00 USDSale -
Natural African Untreated Calibrated Ruby Hearts | 5mm & 5.5mm
Regular price From $864.00 USDRegular priceUnit price per$7,725.89 USDSale price From $864.00 USDSale -
Natural African Untreated Calibrated Ruby Ovals | 5x7mm & 6x8mm
Regular price From $819.00 USDRegular priceUnit price per$7,725.89 USDSale price From $819.00 USDSale -
Natural African Untreated Calibrated Ruby Ovals | 8x10mm & 9x11mm
Regular price From $721.80 USDRegular priceUnit price per$7,725.89 USDSale price From $721.80 USDSale -
Natural Bangkok Ruby Flower Carved Hexagons 64.67cts
Regular price $582.00 USDRegular priceUnit price per$1,164.01 USDSale price $582.00 USDSale -
Natural African Untreated Calibrated Ruby Hearts | 4mm & 4.5mm
Regular price From $405.00 USDRegular priceUnit price per$7,725.89 USDSale price From $405.00 USDSale -
Natural African Untreated Ruby Octagons | 3cts - 7cts
Regular price From $378.90 USDRegular priceUnit price per$757.80 USDSale price From $378.90 USDSale -
Natural Burma Untreated Calibrated Ruby Octagons | 3x5mm & 4x6mm
Regular price From $376.20 USDRegular priceUnit price per$7,725.89 USDSale price From $376.20 USDSale -
Natural Bangkok Ruby Cushion Flower Carved 56.91cts
Regular price $341.46 USDRegular priceUnit price per$682.92 USDSale price $341.46 USDSale -
Natural Unheated Ruby Ovals Pair 2.76cts
Regular price $331.20 USDRegular priceUnit price per$662.40 USDSale price $331.20 USDSale -
Natural Bangkok Ruby Cushion Flower Carved 36.44cts
Regular price $327.96 USDRegular priceUnit price per$655.92 USDSale price $327.96 USDSale -
Natural Burma Untreated Ruby Calibrated Octagons 6x4mm
Regular price $314.82 USDRegular priceUnit price per$629.64 USDSale price $314.82 USDSale -
Natural Untreated Ruby Calibrated Octagons 6x4mm
Regular price $305.10 USDRegular priceUnit price per$610.20 USDSale price $305.10 USDSale -
Natural African Untreated Calibrated Ruby Pears | 7x9mm & 8x10mm
Regular price From $288.72 USDRegular priceUnit price per$7,725.89 USDSale price From $288.72 USDSale -
Natural African Untreated Calibrated Ruby Pears | 3x5mm & 4x6mm
Regular price From $279.90 USDRegular priceUnit price per$7,725.89 USDSale price From $279.90 USDSale -
Natural Bangkok Calibrated Ruby Cabochon Pears | 7x9mm & 8x10mm
Regular price From $264.78 USDRegular priceUnit price per$7,725.89 USDSale price From $264.78 USDSale -
Natural Bangkok Ruby Calibrated Sugar Loaf | 8mm & 9mm
Regular price From $224.71 USDRegular priceUnit price per$1,449.49 USDSale price From $224.71 USDSale -
Natural African Untreated Calibrated Ruby Square-Octagon | 6mm & 7mm
Regular price From $223.92 USDRegular priceUnit price per$7,725.89 USDSale price From $223.92 USDSale -
Natural Burma Ruby Flower Carved Squares 36.70cts
Regular price $220.19 USDRegular priceUnit price per$440.40 USDSale price $220.19 USDSale -
Natural Bangkok Ruby Calibrated Ovals 8x11mm
Regular price From $209.38 USDRegular priceUnit price per$418.75 USDSale price From $209.38 USDSale -
Natural African Untreated Calibrated Ruby Ovals | 3x5mm & 4x6mm
Regular price From $198.00 USDRegular priceUnit price per$7,725.89 USDSale price From $198.00 USDSale -
Natural Bangkok Calibrated Ruby Cabochon Pears | 7x9mm & 8x10mm
Regular price From $196.92 USDRegular priceUnit price per$7,725.89 USDSale price From $196.92 USDSale -
Natural African Untreated Calibrated Ruby Hearts | 3mm & 3.5mm
Regular price From $191.70 USDRegular priceUnit price per$7,725.89 USDSale price From $191.70 USDSale -
Natural Bangkok Calibrated Ruby Cabochon Pears | 5x7mm & 6x8mm
Regular price From $191.45 USDRegular priceUnit price per$4,962.04 USDSale price From $191.45 USDSale -
Natural Unheated Ruby Pears Pairing 2.71cts
Regular price $180.00 USDRegular priceUnit price per$360.00 USDSale price $180.00 USDSale
