A BEAUTIFUL BLUE BOULDER OPAL

Beautiful Blue Opal and Diamond Earrings 18k yellow gold, the earrings mounted with four blue boulder opal doublets weighing approximately 5.77 carats in total, accented with round brilliant-cut diamo

They weigh 17.3 grams and measure 17 mm x 16 mm. Showcasing a pair of cabochon cushion square cut, blue opals, weighing approximately, 20.00 carats.

Here is a very nice men\'s natural boulder opal ring set in 18K yellow gold. This one has been around for awhile, probably since the 40\'s.Stunning oval shape boulder opal displays a beautiful green p

Beautiful blue opal with white sapphire 14kt rose gold over sterling silver ring

Australian Queensland Winton Mine Purple Blue Boulder Opal Rough Opal Condition: Rough (Photos taken in wet) Origin: Winton Opal Mine Purpose: For display or cutting use Purity: No treatment Manufactu

Beautiful blue opal stone necklace in box

Three is the magic number here, folks. Beautiful blue opal Palm Beach pattern butter dish accompanied by two swung vases. Tallest measures 10 1/2" tall.

Vintage Blue Doublet Boulder Opal Cocktail Ring 9K Yellow Gold, 4.48 Grams This is a gorgeous statement ring! Let us know if you have any questions. Gemstones: 1 blue doublet boulder opal, 15 mm x 11

Beautiful blue fire opal and pearl sterling silver ring. Great quality and detail. Size 6 ½.

Beautiful blue fire opal & pearl sterling Ring. IN GOOD ORIGINAL AS FOUND CONDITION. Beautiful colors with Great quality and detail. Size 7 ½

Beautiful TANZANITE BLUE OPAL 925 STERLING SILVER RING SIZE 8

SIZE 9

STERLING SILVER

Opal and Diamond Ring.  This 18 karat yellow gold ring features a 13.93 carat, polished freeform beautiful genuine boulder opal that is bezel-set in a frame of .75 carats round, brilliant-cut, G-

Stephen Dweck Multi-Stone, Sterling Silver Bracelet. Featuring varying shaped blue topaz, boulder opal, turquoise, drusy stone, emerald, tourmaline, purple quartz, blue chalcedony and mabe cultured pe

Beautiful blue opalescent Opal Drape pattern Victorian tumbler. Super example with incredible coloring. Want a choice example? Wait no longer. Measures 3 3/4" tall.

Beautiful tanzanite and blue opal sterling silver ring. Marked .925. Beautiful colors. Great quality and detail. Lab created Size 5.

Beautiful Tanzanite and Blue opal Sterling Silver Ring. Great quality and detail. Lab created tanzanite. Size 5

SIZE 7/BEAUTIFUL BLUE TOPAZ ACCENT/FIRE OPAL STERLING RIG

Beautiful tanzanite & blue fire opal sterling ring. In very good original as found condition. Great quality & detail. Size 7

Beautiful 2 cwt. blue opal, pearl, and garnet .925 sterling ring. Beautiful colors. Great quality and detail. Size 6

rich blue-green cabochon boulder opal with nice fire play, surrounded by 20 round diamonds totlaing 1 carat, high grade, 14K yellow gold, with appraisal of $2,850.00, currently size 7 3/4.

Beautiful 4 cwt blue fire opal and pearl sterling silver ring. Great quality and detail. Size 6

Beautiful drop pendant in 14k yellow gold set with 6 round brilliant cut natural white diamonds, boulder opal and a single teardrop shaped Tanzanite gemstone. Weight = 3g. Size = 3/4"