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.
-
Natural Mozambique Untreated Ruby Calibrated Ovals | 7x9mm & 8x10mm
Regular price From $160.02 USDRegular priceUnit price per$320.04 USDSale price From $160.02 USDSale -
Natural African Untreated Calibrated Ruby Octagons | 5x6mm & 6x7mm
Regular price From $158.04 USDRegular priceUnit price per$7,725.89 USDSale price From $158.04 USDSale -
Natural Mozambique Untreated Untreated Ruby Calibrated Marquise 4x8mm
Regular price $155.97 USDRegular priceUnit price per$311.94 USDSale price $155.97 USDSale -
Natural African Untreated Calibrated Ruby Pears | 5x7mm & 6x8mm
Regular price From $139.68 USDRegular priceUnit price per$7,725.89 USDSale price From $139.68 USDSale -
Natural Bangkok Ruby Calibrated Ovals | 7x9mm & 8x10mm
Regular price From $136.69 USDRegular priceUnit price per$273.38 USDSale price From $136.69 USDSale -
Natural Mozambique Untreated Ruby Ring Size Ovals
Regular price $120.15 USDRegular priceUnit price per$240.30 USDSale price $120.15 USDSale -
Natural Bangkok Calibrated Ruby Cabochon Pears | 5x7mm & 6x8mm
Regular price From $115.43 USDRegular priceUnit price per$4,962.04 USDSale price From $115.43 USDSale -
Natural Bangkok Ruby Calibrated Pears 12x16mm
Regular price From $114.26 USDRegular priceUnit price per$228.51 USDSale price From $114.26 USDSale -
Natural Bangkok Ruby Flower Carved Pears 41.61cts
Regular price $98.66 USDRegular priceUnit price per$197.33 USDSale price $98.66 USDSale -
Natural Bangkok Ruby Calibrated Sugar Loaf | 6mm & 7mm
Regular price From $97.79 USDRegular priceUnit price per$1,449.49 USDSale price From $97.79 USDSale -
Natural Bangkok Ruby Calibrated Ovals | 7x9mm & 8x10mm
Regular price From $96.91 USDRegular priceUnit price per$193.82 USDSale price From $96.91 USDSale -
Natural African Untreated Ruby Calibrated Octagon | 7x5mm & 6x8mm
Regular price From $95.22 USDRegular priceUnit price per$190.44 USDSale price From $95.22 USDSold out -
Natural Burma Untreated Ruby Calibrated Octagon | 3x5mm & 4x6mm
Regular price From $94.50 USDRegular priceUnit price per$189.00 USDSale price From $94.50 USDSale -
Natural African Untreated Calibrated Ruby Pears | 5x6mm & 6x7mm
Regular price From $93.24 USDRegular priceUnit price per$7,725.89 USDSale price From $93.24 USDSale -
Natural Burma Untreated Calibrated Ruby Rounds | 3mm
Regular price From $90.90 USDRegular priceUnit price per$7,725.89 USDSale price From $90.90 USDSale -
Natural Untreated Mozambique Ruby Pears 6x4mm
Regular price From $90.72 USDRegular priceUnit price per$181.44 USDSale price From $90.72 USDSale -
Natural Mozambique Untreated Ruby Calibrated Pears | 6x4mm
Regular price From $90.72 USDRegular priceUnit price per$181.44 USDSale price From $90.72 USDSale -
Natural Mozambique Untreated Ruby Calibrated Pears 6x4mm
Regular price From $90.72 USDRegular priceUnit price per$181.44 USDSale price From $90.72 USDSale -
Natural Burma Untreated Ruby Heated Calibrated Pears, 6X4mm
Regular price From $90.72 USDRegular priceUnit price per$181.44 USDSale price From $90.72 USDSale -
Natural African Untreated Ruby Calibrated Pears 5x7mm
Regular price From $90.72 USDRegular priceUnit price per$181.44 USDSale price From $90.72 USDSale -
Natural Burma Untreated Ruby Calibrated Diamond Rounds | 3mm & 3.5mm
Regular price From $86.76 USDRegular priceUnit price per$173.52 USDSale price From $86.76 USDSale -
Natural African Untreated Calibrated Ruby Square | 5mm & 6mm
Regular price From $85.68 USDRegular priceUnit price per$7,725.89 USDSale price From $85.68 USDSale -
Natural Burma Untreated Ruby Calibrated Diamond Cut Rounds | 1.2-2.5mm
Regular price From $85.50 USDRegular priceUnit price per$171.00 USDSale price From $85.50 USDSale -
Natural Bangkok Ruby Flower Carved Pears 26.58cts
Regular price $84.00 USDRegular priceUnit price per$167.99 USDSale price $84.00 USDSale -
Natural African Untreated Ruby Calibrated Ovals | 5x6mm & 6x7mm
Regular price From $81.12 USDRegular priceUnit price per$162.24 USDSale price From $81.12 USDSale -
Natural Bangkok Ruby Calibrated Ovals 10x7mm
Regular price From $80.70 USDRegular priceUnit price per$161.41 USDSale price From $80.70 USDSale -
Natural Burma Untreated Calibrated Ruby Rounds | 3mm
Regular price From $75.53 USDRegular priceUnit price per$7,725.89 USDSale price From $75.53 USDSale -
Natural Bangkok Calibrated Ruby Cabochon Pears | 3x5mm & 4x6mm
Regular price From $74.02 USDRegular priceUnit price per$1,449.49 USDSale price From $74.02 USDSale -
Natural Burma Untreated Calibrated Ruby Rounds | 3mm
Regular price From $73.26 USDRegular priceUnit price per$7,725.89 USDSale price From $73.26 USDSale -
Natural Mozambique Untreated Ruby Calibrated Rounds | 2mm & 2.5mm
Regular price From $71.69 USDRegular priceUnit price per$143.40 USDSale price From $71.69 USDSale -
Natural Bangkok Calibrated Ruby Cabochon Pears | 3x5mm & 4x6mm
Regular price From $70.16 USDRegular priceUnit price per$4,962.04 USDSale price From $70.16 USDSale -
Natural Burma Untreated Ruby Calibrated Pears | 6x8mm & 7x5mm
Regular price From $69.84 USDRegular priceUnit price per$139.68 USDSale price From $69.84 USDSale
