Natural IGI certified Blue Grandidirite Gemstone

Title: 2.40 CTs Natural IGI certified Blue Tanzanite Gemstone Color/Clarity: Blue Gemstone Type: Gemastone Carat Weights: 2.40 Cts Size/Dimensions: 10.14x7.87x4.54 mm Additional Info/Certificate: IGI

Title: 2.10 CTs Natural IGI certified Blue Tanzanite Gemstone Color/Clarity: Blue Gemstone Type: Gemastone Carat Weights: 2.10 Cts Size/Dimensions: 10.01x7.12x4.38 mm Additional Info/Certificate: IGI

Title: 1.75 CTs Natural IGI certified Blue Tanzanite Gemstone Color/Clarity: Blue Gemstone Type: Gemastone Carat Weights: 1.75 Cts Size/Dimensions: 7.29x7.31x4.49 mm Additional Info/Certificate: IGI R

Title: Natural IGI Certified Purple Blue Tanzanite Gemstone Color/Clarity: Purple Blue Gemstone Type: Gemstone Carat Weight: 1.89 Cts Dimensions: 10.48x6.07x3.89 mm Reserve: $100.00 Shipping: Dom

Title: Natural IGI Certified Purple Blue Tanzanite Gemstone Color/Clarity: Purple Blue Gemstone Type: Gemstone Carat Weight: 1.71 Cts Dimensions: 9.11x6.00x3.75 mm Reserve: $100.00 Shipping: Dome

Title: Natural IGI Certified Purple Blue Tanzanite Gemstone Color/Clarity: Purple Blue Gemstone Type: Gemstone Carat Weight: 1.81 Cts Dimensions: 8.20x8.33x4.50 mm Reserve: $100.00 Shipping: Dome

Title: Natural & unheated~ IGI Certified Blue Tanzanite Gemstone Color/Clarity: Blue Gemstone Type: Gemstone Carat Weights: 2.07 Cts Size/Dimensions: 9.02 x6.81x4.75 mm Reserve: $95.00 Shipping: Dome

Title: Natural ~ IGI Certified Blue Topaz Carving Color/Clarity: Blue Gemstone Type: Gemstone Carat Weights: 6.20 Cts Size/Dimensions: 10.41x10.34x6.84 mm Reserve: $125.00 Shipping: Domestic: Flat-ra

Reserve Reduced! Item: 9.46 Ctw IGI Certified Natural Blue Topaz Emerald Cut Loose Gemstone: Natural Topaz Stone Clarity: IF Carat Weight: 9.46 Size/Dimensions: 11.43 x 10.66 x 8.27 mm IGI Online Veri

Item: 1.18 Ctw IGI Certified Natural Ceylon Blue Sapphire Oval Cut Loose Gemstone: Natural Sapphire Stone Clarity: VVS Carat Weight: 1.18 Size/Dimensions: 7.18 x 5.14 x 3.55 mm IGI Online Verification

Item: 0.82 Ctw IGI Certified Natural Ceylon Blue Sapphire Oval Cut Loose Gemstone: Natural Sapphire Stone Clarity: VVS Carat Weight: 0.82 Size/Dimensions: 6.80 x 4.96 x 2.73 mm IGI Online Verification

Reserve Reduced! Item: 3.38 Ctw IGI Certified Natural London Blue Topaz Pear Cut Loose Gemstone: Natural Topaz Stone Clarity: IF Carat Weight: 3.38 Size/Dimensions: 12.52 x 8.13 x 5.59 mm IGI Online V

Item: 0.74 Ctw IGI Certified Natural Ceylon Blue Sapphire Oval Cut Loose Gemstone: Natural Sapphire Stone Clarity: VVS Carat Weight: 0.74 Size/Dimensions: 6.99 x 4.87 x 2.58 mm IGI Online Verification

Reserve Reduced! Item: 2.89 Ctw IGI Certified Natural Deep Blue Kyanite Oval Cut Loose Gemstone: Natural Kyanite Stone Clarity: VS Carat Weight: 2.89 Size/Dimensions: 9.22 x 7.14 x 4.86 mm IGI Online

Title:4.63 cts NONE HEATED IGI CERTIFIED NATURAL TANZANITE Shape:Cushion cut Color:VIOLETISH BLUE Gemstone Type:Natural RUBY Carat Weights:4.63 CARAT Transparency:SEMI TRANSLUCENT TO OPAQUE Origin:TAN

Reserve Reduced! Item: 2.54 Ctw IGI Certified Natural Deep Blue Kyanite Oval Cut Loose Gemstone: Natural Kyanite Stone Clarity: VS Carat Weight: 2.54 Size/Dimensions: 8.97 x 6.97 x 4.44 mm IGI Online

Title: 4.77 ct "IGI Certified" Natural Blue Zircon Color/Clarity: VVS Gemstones: Blue Zircon Carat Weights: 4.77 Size/Dimensions: 9.24 x 6.97 x 6.96 Size/Dimensions: International Gemological Institut

Title: 4.93 ct "IGI Certified" Natural Blue Zircon Brand: Blue Zircon Gemstones: Loosegemstone Color/Clarity: VVS Carat Weights: 4.93 Size/Dimensions: 12.25 x 8.24 x 5.63 Additional Information: Inter

Title: 24.33 ct "IGI Certified" Natural Blue Topaz Brand: Blue Topaz Gemstones: Loosegemstone Color/Clarity: VVS Carat Weights: 24.33 Size/Dimensions: 22.09 x 12.61 x 9.40 Additional Information: Inte

Reserve Reduced! Item: 4.49 Ctw IGI Certified Natural London Blue Topaz Square Emerald Cut Loose Gemstone: Natural Topaz Stone Clarity: IF Carat Weight: 4.49 Size/Dimensions: 9.03 x 8.99 x 6.31 mm IGI

No Reserve! Title: 7.54 Ct " IGI Certified " Natural Blue Topaz Color/Clarity: IF - VVS Gemstones: Loosegemstone Carat Weights: 7.54 Size/Dimensions: 13.09 x 11.29 x 6.50 Additional Information: Oval

No Reserve! Title: 12.63 Ct " IGI Certified " Natural Blue Zircon Color/Clarity: IF - VVS Gemstones: Loosegemstone Carat Weights: 8.98 Size/Dimensions: 12.63 x 9.90 x 6.00 Additional Information: Oval

No Reserve! Title: 12.62 Ct " IGI Certified " Natural Blue Topaz Color/Clarity: IF - VVS Gemstones: Loosegemstone Carat Weights: 12.62 Size/Dimensions: 15.05 x 1308 x 8.45 Additional Information: Oval

No Reserve! Title: 8.98 Ct " IGI Certified " Natural Blue Zircon Color/Clarity: IF - VVS Gemstones: Loosegemstone Carat Weights: 8.98 Size/Dimensions: 12.63 x 9.90 x 6.00 Additional Information: Oval