Extremely Rare - Natural Cobalt - Vivid Blue Spinel with GRS Certificate

Title: 1.00 CTS RARE NATURAL BLUE SPINEL OVAL SHAPE LOOSE GEMSTONES NL80 Brand: MRS GEMS Carat Weights: 1 Size/Dimensions: 7 x5.4 x2.4 MM Reserve: $60.00 Shipping: Domestic: Flat-rate of $15.00 to any

Title: 1.21 ct natural cobalt blue spinel heart Color/Clarity: cobalt blue/VVS Gemstone Type: natural/unheated Carat Weights: 1.21 Size/Dimensions: 6.37 x 6.19 x 4.13 MM Reserve: $40.00 Shipping: Dom

No Reserve! Title: 2.14 ct natural cobalt blue spinel Burma Color/Clarity: cobalt blue/tramsparent Gemstone Type: natural/color enhansed Carat Weights: 2.14 Size/Dimensions: 8.94 X 6.86 X 4.58 MM Orig

An extremely rare cobalt blue tear vial bottle, circa 100 - 200 AD, A small standing bottle, with round body, neck and rimmed mouth. Dimensions: 1-5/16" H. Provenance: Ex. Private collection, New York

Burma Spinel; SHAPE Classic Cushion ; WEIGHT 1.33 Ct.;SIZE 6.6 X 6.1 X 4.1 mm; QUANTITY 1 Piece ; COLOR Blue CLARITY VS ; LUSTER Superior ; ORIGIN Burma/ Myanmar; TREATMENT - None ; HARDNESS 8;

AUGUST - PERIDOT & SPINEL   Peridot, the birthstone for August, has historic "powers" for healing and warding off nightmares. Formed deep within Earth, this gem is brought to the surface in m

All pictures are real shot photography. You get what you see Ref:1208047 Gold Content:14K White Gold For people:Women Main Gemstone: Sapphire Shape:Oval Carat Weight:1.05ct Color:Vivid Blue Cut Grade:

All pictures are real shot photography. You get what you see Ref:1208101 Gold Content:14K White Gold For people:Women Main Gemstone: Sapphire Shape:Oval Carat Weight:2.69ct Color:Vivid Blue Cut Grade:

All pictures are real shot photography. You get what you see Ref:1208046 Gold Content:14K White Gold For people:Women Main Gemstone: Sapphire Shape:Oval Carat Weight:0.48ct Color:Vivid Blue Cut Grade:

All pictures are real shot photography. You get what you see Ref:1219106 Gold Content:14K Rose Gold For people:Women Ring Size:7.25US Main Gemstone: Sapphire Number of Gemstone:1 Shape:Round Carat Wei

2.50 cts Extremely Rare Blue Color Natural Afghanite Gemstone from Badakhshan Afghanistan - Weight : 2.50 ct Size : 12*6*4 mm Locality : Afghanistan Color : Blue Treatment : Natural GLOBAL Shipping Re

0.65 cts pear cut Extremely Rare Blue Color Natural Afghanite Gemstone from Badakhshan Afghanistan - Weight : 0.65 ct Size : 7*5*4 mm Locality : Afghanistan Color : Blue Treatment : Natural Global Dhl

Reserve Reduced! 2.60 cts Extremely Rare Blue Color Natural Afghanite Gemstone from Badakhshan Afghanistan - Weight : 2.60 ct Size : 09*05*04 mm Locality : Afghanistan Color : Blue Treatment : Natural

Handmade Material Afghanite more Extremely Rare Blue Color Natural Afghanite Gemstone from Badakhshan Afghanistan Weight : 1.45 cts Size : - 7*6*3 mm Locality : Afghanistan Col

0.55 cts Extremely Rare Blue Color Natural Afghanite Gemstone from Badakhshan Afghanistan - Please note that this lot has a confidential reserve. When you leave a bid in advance of the auction, submit

Eleven Diamond Pattern, likely Stiegel's American glass manufactory Pennsylvania. 1763-1774. Matching bowl with cover having a swirled ribbed finial. Brilliant cobalt blue color. An extremely rare wit

925 STERLING SILVERPLATE14K WHITE GOLDRING SIZE9(resizeable)MAIN STONEAPATITEOTHER GEMSBLACK SPINELTOTAL WEIGHT31.92 CT (TOTAL WEIGHT OF SILVER + STONE)DIMENSION* STONE 1.5 TO 4.0 X 3.0 MM. * FACE RIN

Boston and Sandwich glassworks with Acanthus leaf and Shield design. Deep cobalt blue and listed as extremely rare. Small 3/8 chip at top of foot edge. Measures 5-1/8" diameter x 3-5/8" high.

Egypt, Ptolemaic Period, ca. 332 to 30 BCE. An extremely rare example of a majestic ibis exhibiting a body shaped from solid glass in an opaque, cobalt-blue hue. The ibis presents atop a pair of attac

Natural Vivid Blue Madagascar Sapphire Ring 11.70 Ct. (13.49Ct TW) GRS Certified

An Extremely Rare and Excellent Quality Griffin Smith and Hill ( American) ‘Napkin' Plate c.1875. The circular plate modelled as sunflower with bright yellow petals against a cobalt blue border and

LEE/ROSE NO. 135-A CUP PLATE, brilliant cobalt blue, 36 bull's-eye scallops. Very or extremely rare. Midwestern, probably Pittsburgh. 1828-1840. 3 3/8" D.Published: Elsholz, lot 220, this being the ac

RP-36 NARROW FLUTE FOOTED PRESSED OPEN SALT, unlisted cobalt blue, circular form with plain rim, raised on a hexagonal foot with rays to underside. Listed in amber as unique, probably extremely rare o

OR-6 VARIANT OCTAGON ROUND PRESSED OPEN SALT, unlisted deep cobalt blue, high-point rim. Variant base with eight five-petal leaf devices encircling a stippled center. Probably extremely rare. Possibly