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 Mozambique Untreated Ruby Calibrated Pears | 3x5mm & 6x4mm
Regular price From $45.54 USDRegular priceUnit price per$91.09 USDSale price From $45.54 USDSale -
Natural Bangkok Ruby Calibrated Pears 6cts
Regular price $45.00 USDRegular priceUnit price per$90.00 USDSale price $45.00 USDSale -
Natural Mozambique Untreated Ruby Calibrated Ovals | 3x5mm & 6x4mm
Regular price From $45.00 USDRegular priceUnit price per$90.00 USDSale price From $45.00 USDSale -
Natural Mozambique Untreated Ruby Calibrated Octagons | 3x4mm & 4x5mm
Regular price From $45.00 USDRegular priceUnit price per$90.00 USDSale price From $45.00 USDSale -
Natural Mozambique Untreated Ruby Calibrated Rounds | 2mm & 2.25mm
Regular price From $44.82 USDRegular priceUnit price per$89.64 USDSale price From $44.82 USDSale -
Natural Mozambique Untreated Ruby Calibrated Rounds | 2mm & 2.25mm
Regular price From $44.82 USDRegular priceUnit price per$89.64 USDSale price From $44.82 USDSale -
Natural African Untreated Ruby Calibrated Ovals | 3x4mm & 4x5mm
Regular price From $44.82 USDRegular priceUnit price per$89.64 USDSale price From $44.82 USDSale -
Natural Bangkok Ruby Calibrated Hexagons | 8mm & 9mm
Regular price From $44.19 USDRegular priceUnit price per$88.38 USDSale price From $44.19 USDSale -
Natural Burma Untreated Ruby Calibrated Diamond Rounds | 2mm & 2.5mm
Regular price From $43.20 USDRegular priceUnit price per$86.40 USDSale price From $43.20 USDSale -
Natural Bangkok Ruby Flower Carved Square 21.56cts
Regular price $43.20 USDRegular priceUnit price per$86.40 USDSale price $43.20 USDSale -
Natural Bangkok Ruby Calibrated Ovals | 5x7mm & 6x8mm
Regular price From $42.30 USDRegular priceUnit price per$84.60 USDSale price From $42.30 USDSale -
Natural Mozambique Ruby Calibrated Ovals | 6x8mm & 7x9mm
Regular price From $42.30 USDRegular priceUnit price per$84.60 USDSale price From $42.30 USDSale -
Natural Burma Untreated Ruby Calibrated Diamond Cut Rounds 3mm
Regular price From $41.76 USDRegular priceUnit price per$83.52 USDSale price From $41.76 USDSale -
Natural Mozambique Untreated Ruby Calibrated Rounds | 2.5mm & 3mm
Regular price From $41.45 USDRegular priceUnit price per$82.92 USDSale price From $41.45 USDSale -
Natural African Untreated Calibrated Ruby Pears | 3x4mm & 4x5mm
Regular price From $41.40 USDRegular priceUnit price per$7,725.89 USDSale price From $41.40 USDSale -
Natural African Untreated Calibrated Ruby Octagons | 3x4mm & 4x5mm
Regular price From $41.40 USDRegular priceUnit price per$7,725.89 USDSale price From $41.40 USDSale -
Natural African Untreated Calibrated Ruby Square | 3mm & 4mm
Regular price From $41.40 USDRegular priceUnit price per$7,725.89 USDSale price From $41.40 USDSale -
Natural Bangkok Ruby Calibrated Sugar Loaf | 4mm & 5mm
Regular price From $41.34 USDRegular priceUnit price per$1,176.71 USDSale price From $41.34 USDSale -
Natural Bangkok Ruby Calibrated Ovals | 7x9mm & 8x10mm
Regular price From $40.79 USDRegular priceUnit price per$81.58 USDSale price From $40.79 USDSale -
Natural Mozambique Untreated Ruby Calibrated Octagon 3x5mm
Regular price From $40.50 USDRegular priceUnit price per$81.00 USDSale price From $40.50 USDSale -
Natural African Untreated Ruby Calibrated Ovals | 5x7mm & 6x8mm
Regular price From $40.50 USDRegular priceUnit price per$81.00 USDSale price From $40.50 USDSale -
Natural African Untreated Ruby Calibrated Ovals 5x7mm
Regular price From $40.50 USDRegular priceUnit price per$81.00 USDSale price From $40.50 USDSale -
Natural Bangkok Ruby Calibrated Ovals | 9x11mm & 10x12mm
Regular price From $40.14 USDRegular priceUnit price per$80.28 USDSale price From $40.14 USDSale -
Natural Bangkok Ruby Calibrated Cabochon Rounds | 6mm & 7mm
Regular price From $39.84 USDRegular priceUnit price per$79.69 USDSale price From $39.84 USDSale -
Natural Bangkok Ruby Calibrated Hexagons | 6mm & 7mm
Regular price From $39.84 USDRegular priceUnit price per$79.69 USDSale price From $39.84 USDSale -
Natural Bangkok Ruby Calibrated Trillions | 6mm & 7mm
Regular price From $39.42 USDRegular priceUnit price per$78.85 USDSale price From $39.42 USDSale -
Natural Mozambique Untreated Ruby Calibrated Squares | 2mm & 2.5mm
Regular price From $38.10 USDRegular priceUnit price per$76.20 USDSale price From $38.10 USDSale -
Natural Bangkok Ruby Calibrated Rounds | 4mm & 5mm
Regular price From $38.10 USDRegular priceUnit price per$76.20 USDSale price From $38.10 USDSale -
Natural Mozambique Untreated Calibrated Ruby Oval | 4x6mm & 5x7mm & 6x8mm
Regular price From $37.80 USDRegular priceUnit price per$75.60 USDSale price From $37.80 USDSale -
Natural Bangkok Ruby Calibrated Cushions | 8mm & 9mm
Regular price From $37.62 USDRegular priceUnit price per$75.24 USDSale price From $37.62 USDSale -
Natural Mozambique Untreated Ruby Calibrated Pears 4x5mm
Regular price From $36.90 USDRegular priceUnit price per$73.80 USDSale price From $36.90 USDSale -
Natural Mozambique Untreated Ruby Calibrated Octagons | 3x4mm & 4x5mm
Regular price From $36.90 USDRegular priceUnit price per$73.80 USDSale price From $36.90 USDSale
