Modernist 18k gold Australian opal and diamond pin

Modernist 18k gold and diamond pin, textured spray design, six pear shaped opals, seven round diamonds, center diamond measures approximately 0.05 carats, surrounded by six diamonds measuring 0.03 car

Natural Australian Opal Emerald Diamond 18k Gold Pin Large Carved Flower Midcentury Brooch Description: I wish you could see this in person because it is sooooo much prettier than the pics! The large

ED WIENER 18K Gold Hand Wrought Diamond Brooch Pendant Pin. Large sculptural modernist brooch with 5 faceted prong set diamonds and large set opal center stone. Mid century hand crafted studio jewelry

With diamond halo, in an 18K white and yellow gold setting. In original leather box, Spaulding & Co. Chicago. Condition: fine hairline inclusion in opal. 2 1/2" long x 1/2" wide

This is a vintage ladies ring made by the Fine Jewelers Guild (FJG). Rendered in fine 18K yellow gold, this biomorphic ring features a cluster of six Australian opal cabochons with striking red, green

Brooch features approx. 1.00ctw of (VS1/SI1-G/H) diamonds and approx. 0.66ctw of sapphires. Measures 75mm x 48mm. Marked with French Gold Assay Marks, tested 18K. Weight - 15.1g.Gemstones have not bee

18K and 14K white gold Australian opal and diamond pendant necklace, pendant with one 16.65ct. oval-cut 25 x 21mm Australian opal accented with six round brilliant-cut diamonds approx: 0.12 ct tw., co

18K GOLD, DIAMONDS, SAPPHIRES, & OPAL FISH PIN . DIAMONDS APPROX 1.60 CTW AND SAPPHIRES .70 CTW. MEASURES 2 7/8" WIDTH AND TOTAL WEIGHT 6.2 DWT.

Unusual 18k Gold, Opal & Diamond Pendant/Brooch, Signed. Art Nouveau Style. Chip on chin, mostly visible on reverse. Dimensions- Total Pin L- 2 1/2". Total Weight- 17.5.g. 11.3dwt.

Approx. 8.75ct Colorful Natural Australian Opal 14k Gold Diamond 1960s Victorian Revival Pin or Pendant Description: Certainly one of the largest & most colorful Australian white opals I have ever see

18K yellow gold flower pin by Gumps featuring very fine carved opal flower with blue, green and orange play-of-color with diamond set in center of flower, three carved green jade leaves, 2.75 in. L, a

14KT Yellow gold Modernist ring with 1/2 carat marquise cut Australian opal and (2) round diamonds (.20 TCW, I-J color, SI1-I clarity). Size 6, 6.7 grams.

Modernist form 18k gold pin set with tourmaline and diamonds, Signed with all appropriate English hallmarks, HJC, and Grima, .750. 12.7dwt measures 1 7/8 by 1 7/8 inches.

Crafted in 18k yellow gold featuring (1) pear shape Australian opal weighing approximately 4.60ct. The opal has flashes of green, blue, orange, yellow and red. There are (22) round diamonds weighing a

Double articulated lavalier Australian oval opal, approx. .50ct 19 mine cut diamonds, approx. .35ctw Length: 1 1/2" (including bail) Width: 1" Total weight: 2.5 grams Provenance: Former inve

Antique star flower puffy locket Natural Australian opal, approx. 1.5ct 18 rose and mine cut diamonds, approx. .75ctw Glass back compartment Length: 1 1/8" (including bale) Width: 1 1/4" Tota

18KT Yellow gold bangle bracelet with (7) inlaid opals with beautiful blue & green colors. From the Australian Opal & Diamond Collection. Appraised for $6,950 in 2013. Measures approximately 2 1/8" wi

18k yellow gold ring, with an amazing fine color Australian opal weighing 21.65 carats and surrounded by 1.85 carats of fine white diamonds. Stunning overall ring. The size is a 6 1/2. The ring weighs

Ring.18kt yellow gold modernist cocktail ring with large oval opal with a surround of 7 round brilliant cut diamond accents. Stamped, "18k", with unidentified maker's mark of "D". Total approx. diamon

Ed Wiener (American, 1918-1991). Signed vintage designer gemstone brooch. A freeform Brutalist design with prong set round cut diamonds set around a large oval opal doublet with great play of color. C

Ca. last half 20thC. Excellent with no breaks or repairs. Features fifty pave set diamonds ranging in size from approx. 3.5mm to 2mm. The pin is constructed of three layers of gold, two yellow, with t

including an opal (13x10mm) and diamond (0.15ctw) staff pin, length 1.75in., a diamond (0.24ctw) stack type ring, height 10mm, size 6.25, a yellow gold band, height 5mm, size 6.5, a 24in. box link nec

An important 14k yellow gold pin/pendant with bezel mounted Lightning Ridge Australian black opal, calf's head tourmaline and a round brilliant diamond, signed on back, tests for 14k gold. The majorit

An important 14k yellow gold pin/pendant with bezel mounted Lightning Ridge Australian black opal, calf's head tourmaline and a round brilliant diamond, signed on back, tests for 14k gold. The majorit