A few examples of appraisal values for
BLACK ONYX DIAMOND RING

• BLACK ONYX AND DIAMOND RING 18k
  BLACK ONYX AND DIAMOND RING 18k white gold set with a large oval black onyx cabochon with round-cut diamonds prong set in white gold. Ring size: 7.
• BLACK ONYX, DIAMOND AND GOLD
  BLACK ONYX, DIAMOND AND GOLD RINGBLACK ONYX, DIAMOND AND FOURTEEN KARAT GOLD RING. The 14k gold Victorian mourning ring bezel set with a rectangular shaped black onyx showcasing a inlaid Rose of Sharon accented with two rose-cut diamonds. The ring weighs 6.3 grams. Ring size: 7-1/2.
• DIAMOND, BLACK ONYX AND FOURTEEN
  DIAMOND, BLACK ONYX AND FOURTEEN KARAT GOLD RING,DIAMOND, BLACK ONYX AND FOURTEEN KARAT GOLD RING, having two sections of black onyx forming a dome with each separated by a row of seven round-cut diamonds set in yellow gold. Total estimated weight for all diamonds: 0.11 cttw. Ring size 7-1/4.
• BLACK ONYX, DIAMOND AND FOURTEEN
  BLACK ONYX, DIAMOND AND FOURTEEN KARAT GOLD FASHIOBLACK ONYX, DIAMOND AND FOURTEEN KARAT GOLD FASHION RING, size 7-1/2, gross weight 6.3 grams.
• Diamond and Black Onyx Ring
  Diamond and Black Onyx Ring Estimate:$1,000-$1,500
• A Ladies' Onyx and Diamond Ring 14k
  A Ladies' Onyx and Diamond Ring 14k yellow gold ring with black onyx sections flanking a pave diamond center. Total diamond weight approx. 0.20 ct. Overall weight approx. 6. Ring size approx. 5.
• DIAMOND AND BLACK ONYX
  DIAMOND AND BLACK ONYX RINGDIAMOND AND BLACK ONYX RING, 10K yellow gold, long, narrow, rectangular-cut black onyx flanked by two rows of four round-cut diamonds with an estimated total weight of 0.12 ct., ring size 6-1/2, 3.9 grams.
• BLACK ONYX, DIAMOND AND TEN KARAT
  BLACK ONYX, DIAMOND AND TEN KARAT GOLD RING. THEBLACK ONYX, DIAMOND AND TEN KARAT GOLD RING. The yellow gold ring bezel set with an oval black onyx tablet centered with a round-cut diamond set in white gold. The ring is stamped "RABCO". Ring size: 8.
• DIAMOND, BLACK ONYX AND FOURTEEN
  DIAMOND, BLACK ONYX AND FOURTEEN KARAT GOLD RING,DIAMOND, BLACK ONYX AND FOURTEEN KARAT GOLD RING, with a rectangular shaped black onyx tablet centered with a round-cut diamond weighing approximately 0.07 ct. Ring size: 8-1/4.
• An Interesting Diamond, Onyx and
  An Interesting Diamond, Onyx and Gold Ring 14k yellow gold ring with black onyx outer section; set with round cut diamonds across the top, total diamond weight approx. 0.18 ct. Overall weight approx. 9.0 gm. Ring size approx. 7.
• BLACK ONYX, DIAMOND AND GOLD
  BLACK ONYX, DIAMOND AND GOLD RINGBLACK ONYX, DIAMOND AND FOURTEEN KARAT GOLD RING. The 14k gold Victorian mourning ring bezel set with a rectangular shaped black onyx showcasing a inlaid Rose of Sharon accented with two rose-cut diamonds (third diamond is missing). The ring weighs 6.2 grams. Ring size: 7-1/2.
• DIAMOND AND BLACK ONYX VINTAGE
  DIAMOND AND BLACK ONYX VINTAGE RING. THE 10K GOLDDIAMOND AND BLACK ONYX VINTAGE RING. The 10k gold ring with a black onyx centered with a single round-cut diamond set in white gold. Gross weight: 7.3 grams. Ring size: 6-1/2.
• DIAMOND, BLACK ONYX AND GOLD
  DIAMOND, BLACK ONYX AND GOLD RINGDIAMOND, BLACK ONYX AND FOURTEEN KARAT GOLD RING, with a cushion shaped black onyx tablet measuring 18mm x 15mm and accented with a row of six round single-cut diamonds together weighing approximately 0.15 cttw. The ring weighs 4.6 grams and is stamped "14K". Ring size: 7-1/4.
• BLACK ONYX, DIAMOND AND FOURTEEN
  BLACK ONYX, DIAMOND AND FOURTEEN KARAT GOLD RINGBLACK ONYX, DIAMOND AND FOURTEEN KARAT GOLD RING. The yellow gold statement ring with a black onyx measuring 20mm in length and accented with two round-cut diamonds together weighing approximately 0.10 cttw. The ring weighs 9.9 grams and is stamped "14K" and "R.". Ring size: 7-1/4.
• DIAMOND, BLACK ONYX AND FOURTEEN
  DIAMOND, BLACK ONYX AND FOURTEEN KARAT GOLD RINGDIAMOND, BLACK ONYX AND FOURTEEN KARAT GOLD RING, with a rectangular black onyx table and bezel set with a round-cut diamond with an estimated weight of 0.10 ct. The ring weighs 5.0 grams. Ring size: 4.
• A DIAMOND, ONYX AND WHITE GOLD
  A DIAMOND, ONYX AND WHITE GOLD RINGA Diamond, Onyx and White Gold RingFeaturing a faceted black onyx arch, with an octagonal central frame pave set with nineteen round brilliant cut diamonds, weighing an estimated total of approximatel
• DIAMOND, BLACK ONYX AND FOURTEEN
  DIAMOND, BLACK ONYX AND FOURTEEN KARAT GOLD RINGDIAMOND, BLACK ONYX AND FOURTEEN KARAT GOLD RING. The yellow gold ring bezel set with a rectangular black onyx with a pair of round, single-cut diamonds set in white gold on each side of a larger round, full-cut diamond with an estimated weight of 0.11 ct. Total combined estimated weight for all five diamonds: 0.16 cttw. The ring weighs 4.6 grams. Ring size: 4-1/2.
• DIAMOND, BLACK ONYX AND TEN KARAT
  DIAMOND, BLACK ONYX AND TEN KARAT GOLD RING, PRONGDIAMOND, BLACK ONYX AND TEN KARAT GOLD RING, prong set with an oval black onyx tablet centered with a round, brilliant-cut diamond set in white gold and weighing approximately 0.60 ct. Ring size: 5-1/2.
• An Art Deco Onyx and Diamond Ring
  An Art Deco Onyx and Diamond Ring 14k yellow gold ring set with a black onyx mounting, which is set with old European cut diamonds, total weight approx. 0.60 ct. Overall weight approx. 5.1 gm. Ring size approx. 8.5
• MAN'S BLACK ONYX AND DIAMOND RING
  MAN'S BLACK ONYX AND DIAMOND RING 14k yellow gold with two tablets of black onyx and 20 round-cut channel set diamonds. Ring size: 13-1/2.
• A LARGE VICTORIAN BLACK ONYX &
  A LARGE VICTORIAN BLACK ONYX & DIAMOND RING IN 14K 14K yellow gold ring with a large oval cabochon black onyx measuring 20 x 26 mm and a 0.50 ct old European cut diamond set in the center of onyx, sizing bar in base of shank, approx size 8.5, 13.7 grams
• BLACK ONYX, DIAMOND AND YELLOW GOLD
  BLACK ONYX, DIAMOND AND YELLOW GOLD RING. THE 10KBLACK ONYX, DIAMOND AND YELLOW GOLD RING. The 10k yellow gold ring set with an oval black onyx cabochon and a single round-cut diamond. The black onyx cabochon weighs approximately 3.61 cts. The ring is stamped "10k" and "PSCO" (Plainville Stock Company). Ring size: 5-1/2.
• Diamond & Black Onyx Man's Ring 10k
  Diamond & Black Onyx Man's Ring 10k yellow gold size 9-3/8 5 grams.
• Art Deco Diamond and Black Onyx
  Art Deco Diamond and Black Onyx Ring Estimate:$1,200-$1,800
• LADY'S BLACK ONYX & DIAMOND
  LADY'S BLACK ONYX & DIAMOND RINGConsisting of 14 karat yellow gold band 5.4 grams total with rectangular black onyx stone having 1 single-cut diamond 0.01 carat in center. Private collection Columbiaville MI.
• 18K gold diamond and black onyx
  18K gold diamond and black onyx dinner ringmounted with 48 round brilliant cut diamonds 1.0 cts. approx. total G color VS clarity. Stamped ''750 J.T''. 13.6 grams. Size 7 1'' Dia. Circa - 1985.
• DIAMOND, BLACK ONYX AND EIGHTEEN
  DIAMOND, BLACK ONYX AND EIGHTEEN KARAT GOLD RING,DIAMOND, BLACK ONYX AND EIGHTEEN KARAT GOLD RING, having an flat, oval ring table faced with black onyx tablet in a figure eight fashion, a serpentine row of 13 round diamonds across the tablet. Estimated total weight of diamonds: 0.38ct. Ring size: 8-1/2; gross weight: 14.3 grams.
• BLACK ONYX, DIAMOND AND FOURTEEN
  BLACK ONYX, DIAMOND AND FOURTEEN KARAT GOLD RING,BLACK ONYX, DIAMOND AND FOURTEEN KARAT GOLD RING, with twelve round-cut diamonds set around an oval black onyx cabochon with an estimated weight of 4.44 cts. Total combined estimated weight for all diamonds: 0.30 cttw. The ring weighs 4.8 grams and stamped "585" and "14k". Ring size: 6-3/4.
• (3) 14K onyx and diamond ring and
  (3) 14K onyx and diamond ring and earrings to include 14K white gold, white onyx and black diamond ring, sz 9, 14K polished white onyx teardrop earrings with diamond pave highlight, and black diamond post earrings, 13 DWT, retailed by Ross-Simons.
• Gold, Fluted Black Onyx and Diamond
  Gold, Fluted Black Onyx and Diamond Ring Estimate:$800-$1,200
• CUSTOM 18K GOLD DESIGNER RING
  CUSTOM 18K GOLD DESIGNER RING With a faceted cushion cut black onyx central stone, set with (18) diamond melee accent stones. Size: 7. 7.5tw.
• A Custom Design Onyx and Colored
  A Custom Design Onyx and Colored Diamond Ring 14k yellow gold ring with flat squared shank supporting a round mounting set with a black onyx section and white green and pink diamonds in sections radiating from the center; total estimated diamond weight 0.90ct; overall weight 15.9 gm.
• VINTAGE BLACK ONYX, DIAMOND AND
  VINTAGE BLACK ONYX, DIAMOND AND YELLOW GOLD RINGVINTAGE BLACK ONYX, DIAMOND AND YELLOW GOLD RING. The 10k gold ring with a 20mm x 10mm oval black onyx accented with a round single-cut diamond. The ring weighs 2.8 grams and is stamped "PSCO" and "10K". Ring size: 7.
• DIAMOND, BLACK ONYX AND FOURTEEN
  DIAMOND, BLACK ONYX AND FOURTEEN KARAT GOLD RING.DIAMOND, BLACK ONYX AND FOURTEEN KARAT GOLD RING. The yellow gold QSP ring set with an oval black onyx centered with a bezel set round-cut diamond weighing approximately 0.08 ct. The ring weighs 13.5 grams and is stamped "cTo" and "14k". Ring size: 9.
• DIAMOND, BLACK ONYX AND FOURTEEN
  DIAMOND, BLACK ONYX AND FOURTEEN KARAT GOLD RING.DIAMOND, BLACK ONYX AND FOURTEEN KARAT GOLD RING. The yellow gold QSP ring set with an oval black onyx centered with a bezel set round-cut diamond weighing approximately 0.08 ct. The ring weighs 13.5 grams and is stamped "cTo" and "14k". Ring size: 9.
• A Two-Color Gold Onyx and Diamond
  A Two-Color Gold Onyx and Diamond Ring 14k yellow and rose gold ring set with an oval onyx tablet accented in the center with single cut diamonds in white gold; overall weight 4.3 gm.