A few examples of appraisal values for
MEXICAN FIRE OPAL

• MEXICAN FIRE OPAL AND ROSE GOLD
  MEXICAN FIRE OPAL AND ROSE GOLD RINGMEXICAN FIRE OPAL AND ROSE GOLD RING. The 9k gold ring collet set with a round-cut Mexican fire opal weighing approximately 0.99 ct. The ring weighs 1.7 grams and is stamped "9ct". Ring size: 6-3/4.
• 18K GOLD, MEXICAN FIRE OPAL, AND
  18K GOLD, MEXICAN FIRE OPAL, AND DIAMOND RING18K Gold, Mexican Fire Opal, and Diamond Ring centering a Mexican fire opal measuring approx. 14.67 x 11.14 x 7.35 mm. framed by full-cut diamonds; 7.09 dwts.; size 7 Condition:
• DIAMOND AND MEXICAN FIRE OPAL
  DIAMOND AND MEXICAN FIRE OPAL RINGDIAMOND AND MEXICAN FIRE OPAL RING Oval-cut bright orange fire opal (1), 1.84 ct., Round single-cut diamonds (72), 14K gold, Size 6-3/4, 4.8 grams.
• MEXICAN FIRE OPAL AND EIGHTEEN
  MEXICAN FIRE OPAL AND EIGHTEEN KARAT GOLD RINGMEXICAN FIRE OPAL AND EIGHTEEN KARAT GOLD RING. The yellow gold ring an 11.0 mm x 8.5 mm oval Mexican fire opal cabochon with green, yellow and red play-of-color. The ring weighs 7.5 grams and is stamped "18K". Ring size: 5-3/4.
• Fire Opal Ring four carat round
  Fire Opal Ring four carat round Mexican gem with yellow gems on side 10k yellow gold.
• UNMOUNTED MEXICAN FIRE OPAL, GIA
  UNMOUNTED MEXICAN FIRE OPAL, GIA REPORT 13.12mm x 9.07mm x 6.68mm GIA report number 2211427453.
• 14K 7.61 CT ORANGE FIRE OPAL &
  14K 7.61 CT ORANGE FIRE OPAL & DIAMOND RING: Single 8.97 CT oval mixed cut Mexican fire opal is featured in this 14K yellow gold ring complemented with .60 CTW in diamonds rated VS-SI in clarity and H-I in color. Size 5.5. 5.4 grams. Sold with current Florida Diamond Appraisers GIA graduates appraisal for $3450.
• 18K FIRE OPAL, SAPPHIRE & DIAMOND
  18K FIRE OPAL, SAPPHIRE & DIAMOND RING: 18K white gold ring features freeform cabochon cut 8.30 CT Mexican fire opal. Opal is transparent with orange body color. 18 oval & pear mixed cut sapphires approx 9.00 CTW. 18 round brilliant cut diamonds approx .75 CTW with SI in clarity and H-I in color. Size 6.25. Weight 14.5 grams. Sold with current Florida Diamond Appraisers GIA graduates appraisal for $3950.
• 7.80 CTTW. LOOSE MIXED-CUT FIRE &
  7.80 CTTW. LOOSE MIXED-CUT FIRE & ETHIOPIAN OPAL 8 7.80 Cttw. collection of eight loose mixed-cut Mexican fire opals and Ethiopian opals. Opals range in size from 10 x 8 mm to 6 mm.
• MEXICAN OPAL, SILVER, &
  MEXICAN OPAL, SILVER, & FOSSILIZED SHARK TOOTH PENDANTLatin America, Mexico, ca. 20th to 21st century CE. A pendant made from a fossilized shark tooth set into a modern sterling silver mount with wire appliques and a lovely Mexican fire opal cabochon! The opaque surface of the fire opal is heavily polished to reveal the milky-lilac and flashes of iridescence within! The pendant is strung on a modern cord which can easily be switched to different length or chain depending on one's preference. Size of pendant: 2" L x 1.2" W (5.1 cm x 3 cm); cord: 21" L (53.3 cm); silver quality: 95.6%; weight: 10.5 grams Provenance: private Superior, Colorado, USA collection All items legal to buy/sell under U.S. Statute covering cultural patrimony Code 2600, CHAPTER 14, and are guaranteed to be as described or your money back. A Certificate of Authenticity will accompany all winning bids. We ship worldwide and handle all shipping in-house for your convenience. #178532 Condition: Pitting and abrasions to tooth enamel. Minor dark patina and toning on silver. Strung on a modern cord and wearable.
• 14K MEXICAN OPAL & DIAMOND
  14K MEXICAN OPAL & DIAMOND NECKLACE: 14K yellow gold necklace contains one triangle faceted Mexican fire opal. WEIGHT: 2.50 Ct. Approx. 12 round full cut diamonds. WEIGHT: .15 Ct. Approx. Rated VS-SI in clarity and H-I in color. Length: 16'' Weight: 21.3 grams.
• ORANGE MEXICAN OPAL AND DIAMOND
  ORANGE MEXICAN OPAL AND DIAMOND RING: 14K yellow gold ring contains 7 faceted Mexican opals. Weight: 2.00 Ct. Approx. Orange in color. Slightly abraded. 50 round full cut diamonds. Weight: .25 Ct. Approx. Rated SI in clarity and H-I in color. The opals are channel set. The diamonds are prong set. Weight: 6.6 grams. Size: 6
• 14K MEXICAN ORANGE OPAL AND DIAMOND
  14K MEXICAN ORANGE OPAL AND DIAMOND SCARAB DESIGN RING: 14K yellow gold ring with 3 oval shaped orange crystal opals approx. 6.25Ct. The 7 diamonds total approx. .20 Ct. VS-Si on clarity and G-H-I in color. Stones are prong set. Size 6.5. Weight 10.4 grams. Sold with current Florida Diamond Appraisers GIA graduates appraisal for $2 000.
• PAIR OF VINTAGE SOUTHWESTERN NATIVE
  PAIR OF VINTAGE SOUTHWESTERN NATIVE AMERICAN STERLING SILVER OPAL RINGS: FIRE OPAL, AND FAUX OPAL? SIZE 5 (FIRE OPAL)Pair of vintage Southwestern Native American sterling silver opal rings: fire opal, and faux opal?, both have some wear. Dimensions: Size 5 (fire opal)
• FIRE OPAL, GARNET AND FOURTEEN
  FIRE OPAL, GARNET AND FOURTEEN KARAT GOLD RING, WIFIRE OPAL, GARNET AND FOURTEEN KARAT GOLD RING, with a pair of round-cut rhodolite garnets separated by a round-cut Mexican fire opal weighing approximately 0.57 ct. Total estimated weight for both rhodolite garnets: 0.24 cttw. Ring size: 5-3/4.
• A CARMEN BECKMANN SILVER AND FIRE
  A CARMEN BECKMANN SILVER AND FIRE OPAL CUFF BRACELETA Carmen Beckmann silver and fire opal cuff bracelet, Third quarter 20th century; San Miguel de Allende, Mexico Stamped: Beckmann; Partial stamp: Sterling / Mexico The cuff set with an arrangement of bezel-set fire opals of various shapes 6.75" C x 1.5" H with a 1.125" wrist opening 86.5 grams Provenance: The Collection of Cindy Tietze-Hodosh and Stuart Hodosh Dimensions: 6.75" C x 1.5" H with a 1.125" wrist opening Provenance: The Collection of Cindy Tietze-Hodosh and Stuart Hodosh
• Fire Opal Ring 9 rich orange gems
  Fire Opal Ring 9 rich orange gems in 14k yellow gold seldom seen gems.
• Fire Opal Ring 1 carat fiery orange
  Fire Opal Ring 1 carat fiery orange gem with four smaller gems on each side in 14k yellow gold.
• FOSSILIZED SHARK TOOTH PENDANT W/
  FOSSILIZED SHARK TOOTH PENDANT W/ MEXICAN FIRE OPALLatin America, Mexico, ca. 20th to 21st century CE. A unique pendant made from a fossilized shark tooth set into a modern sterling silver mount with a Mexican fire opal cabochon. The pendant is strung on a leather cord, but could easily be strung on a chain as one desired. The opaque surface of the fire opal is heavily polished with a transparent "window" in the center that shows the interior matrix of the stone and scattered rainbow flashes. Size of pendant: 2.5" L x 1.375" W (6.4 cm x 3.5 cm); cord: 27" L (68.6 cm); silver quality: 93.1%; weight 24.3 grams Provenance: private Superior, Colorado, USA collection All items legal to buy/sell under U.S. Statute covering cultural patrimony Code 2600, CHAPTER 14, and are guaranteed to be as described or your money back. A Certificate of Authenticity will accompany all winning bids. We ship worldwide and handle all shipping in-house for your convenience. #178529 Condition: Tooth is repaired with hairline fissure encircling the tip. Minor wear to silver from previous use. Strung on a leather cord, but can easily be restrung.
• Opal Ring fiery oval gem in 14k
  Opal Ring fiery oval gem in 14k yellow gold.
• Black Opal Ring fiery gem in 14k
  Black Opal Ring fiery gem in 14k yellow gold.
• Opal Ring 3 carat fiery oval
  Opal Ring 3 carat fiery oval cabochon in 14k yellow gold openwork setting.
• Opal Bracelet 21 oval fiery gems in
  Opal Bracelet 21 oval fiery gems in 10kyellow gold 7-1/4'' long 7.5 grams
• A yellow and white metal (tests 9
  A yellow and white metal (tests 9 carat gold and silver) fire opal ring the opal measuring approx. 8 x 6mm.
• MEXICAN FIRE AGATE AND GOLD
  MEXICAN FIRE AGATE AND GOLD BRACELETMEXICAN FIRE AGATE AND FOURTEEN KARAT GOLD BRACELET. The 7-1/4" yellow gold bracelet set with seven freeform, oval and pear shaped fire agates, each with fiery iridescent effect. The bracelet weighs 40.4 grams and is stamped "14K".
• GOLD AND FIRE OPAL RING Centering
  GOLD AND FIRE OPAL RING Centering on an oval cabochon fire opal (14.75 x 10.6 x 4.75 mm) weighing approximately 4.20 carats bezel set within a halo of round cabochon fire opals weighing approximately 1.40 total carats, stamped 14K.
• DIAMOND AND ORANGE FIRE OPAL
  DIAMOND AND ORANGE FIRE OPAL RINGDIAMOND AND ORANGE FIRE OPAL RING, 14K yellow gold, featuring a single oval-cut fire opal estimated at 8.0 cts., further set with 100 melee diamonds estimated at 0.80 ct. total weight. Ring size 7-3/4; 7.1 grams.
• Interesting Seven-Strand Carved and
  Interesting Seven-Strand Carved and Faceted Gemstone Necklace, composed of strands of Mexican opal, topaz, coral and citrine beads, some faceted and some carved, presented in a gray suede Greenleaf and Crosby folder.
• Opal Ring fiery 3 carat gem in
  Opal Ring fiery 3 carat gem in heavy 14k yellow gold.
• 14K YELLOW GOLD RING,
  14K YELLOW GOLD RING, GEMSTONELady's Mexican 14K gold and large Boulder Opal (19mm x 14.2mm) ring. Ring size is 9- 9 1/4. Overall weight is 9g. Excellent condition with no visible damage or repairs.
• 14K MEXICAN OPAL & DIAMOND RING:
  14K MEXICAN OPAL & DIAMOND RING: 14K yellow gold ring contains 1 oval Mexican opal WEIGHT: 2.00 Ct. Approx. 16 round single cut diamonds. WEIGHT: .10 Ct. Approx. Rated SI in clarity and H-I in color. The opal and diamonds are prong set. Weight: 3.3 grams. Size: 8.25
• A 22 Karat Yellow Gold and Fire
  A 22 Karat Yellow Gold and Fire Opal Pendant consisting of numerous pear shape fire opal briolettes and yellow gold leaf shape components hanging from yellow gold spiral links. 5.30 dwts.
• Opal & Diamond Ring fiery oval
  Opal & Diamond Ring fiery oval gem with 3 diamonds on each side in 14k yellow gold.
• Opal & Diamond Ring fiery oval
  Opal & Diamond Ring fiery oval cabachon surrounded by 10 diamonds in 14k yellow gold size 7.
• A LARGE FIRE OPAL & DIAMOND RING IN
  A LARGE FIRE OPAL & DIAMOND RING IN 14K 14K yellow gold ring featuring oval cabochon orange fire opal with green, yellow and orange play-of-color, measuring approx. 22 x 26 mm, bezel set in center with bead set round cut diamonds in weighing approx. 0.60 ctw, sz 8, 13.1 grams
• 14K gold diamond and fire opal
  14K gold diamond and fire opal ringfeaturing a square cushion cut fire opal 3.62 cts. approximate surrounded by 118 round brilliant cut diamonds .85 cts. approximate total G-H color SI1 - I1 clarity. Stamped ''14K''. 8.0 grams. Size 7 Circa - Late 20th C.