platinum and 18K chrysoberyl diamond ring

An important platinum and 18K ring, center a natural chrysoberyl cat eye (貓眼石) wt. approx. 6.40ct (see GIA report), flanked by 2 gem quality kite cut diamond, each wt. 0.25ct, wt.

Tiffany & Co 18k yellow gold and platinum engagement ring set with 1.5ct round brilliant cut diamond (Color - F-G; Clarity VS1). Ring size 7. Stamped Tiffany & Co 750 PL950. Approx. overall weight 3.6

Jewelry: Antique 14K Gold Platinum Chrysoberyl Diamond Ring Chrysoberyl Shape/Cut: Square cushion faceted Measurements: 13.44 x 13.75 x 9.82 mm Chrysoberyl Weight: 12.69 cts Clarity: Lightly included

Art Deco Weight 11.3g Platinum & 18k  Diamond Approx. 0.3ct Emerald Approx. 0,8ct Ring Size 10 Measurements 0.33”x0.87”

METAL: Platinum. 18k Gold. GEMSTONES: Center Diamond approx. 0.74ct. Diamonds approx. 0.25ctw. MEASUREMENTS: Ring size 6, ring top is 21.9mm x 14mm wide. TESTED: platinum, 18k. WEIGHT: 6 grams.Gemston

SIZE 6.5, PRE OWNED. DIAMOND MEASURED 4.8 MM - 4.8 MM FOR WEIGHT OF .52 CT. CLARIETY IS AN I-1 AND COLOR APPEARS TO BE IN THE H-I RANGE. THE CENTER OF THE DIAMOND IS CLEAN. ESTIMATE $1500-$2000

Art Deco Platinum & 18k Yellow Gold Weight 2.8gr Measurement 0.24inx0.77in Old mine Diamond Sapphire Ring Size 6.5

SIZE 6.5, PRE OWNED. DIAMOND MEASURED 4.8 MM - 4.8 MM FOR WEIGHT OF .52 CT. CLARITY IS AN I-1 AND COLOR APPEARS TO BE IN THE H-I RANGE. THE CENTER OF THE DIAMOND IS CLEAN. ESTIMATE $1500-$2000

A Platinum Diamond Engagement Ring with 18K White Gold Diamond Ring Guard by Jabel. The engagement ring has 4.9mm x 2.9mm = approx.. .44pts center diamond Gross diamond weight is approx. .68pts t.w. G

METAL: Platinum. GEMSTONES: Diamonds. MEASUREMENTS: 4.75 (with sizing balls), 5.6mm wide. MARKED: 18K Irid PT. WEIGHT: 2.3 grams. Gemstones have not been graded for color and clarity ,and tested for c

Size 5 1/4. 18K White Gold and Platinum 2.47ct Old European cut Diamond and synthetic sapphire ring, circa 1920's. Diamond measures 8.4 x 8.4 x5.22mm. Clarity SI2; Color H. Copy of Appraisal is availa

PLATINUM 18K 7.40CT DIAMOND LADIES RING GIA J VS2 .91Ct Platinum & 18KT Gold 7.40ct Diamond Ladies Cocktail Ring which features a GIA certified emerald-cut center diamond weighing: 91pts. and measurin

PLATINUM 18K 7.40CT DIAMOND LADIES RING GIA J VS2 .91Ct Platinum & 18KT Gold 7.40ct Diamond Ladies Cocktail Ring which features a GIA certified emerald-cut center diamond weighing: 91pts. and measurin

Tiffany & Co 18k yellow gold and platinum engagement ring set with 1.59ct round brilliant cut diamond (Color: H/Clarity:I2). Ring size 7. Stamped Tiffany & Co 750 PL950. Approx. overall weight 3.6 gra

Platinum and 18K gold vintage mounting containing one bar set princess cut diamond, measuring 5.86mm x 5.3mm x 4.14mm, weighing approximately 1.23 cts. (approximately K-L, VS2) and six baguette diamon

1920’ 18k Yellow Gold Platinum Weight 3gr Old Miner Diamond Approx 1.6ct S1i H Measurements 0.58”x0.8” Ring Size 7.25

18K and platinum; 27 old European-cut diamonds approx. 3.25 carats, G-H/VS-SI; ring size 5-1/4; ring top measures 5/8 x 3/4 inches; weight 5.50 g. Stamped: 18K

Ring size is 6, ring top is 17mm x 15.5mm, shank is 7.5mm at widest point. Pink and white diamonds - approx. 2.50ctw. Center will fit approx. 9mm x 7mm stone. Marked plat. Weight - 19.3 grams.Gemstone

Platinum 18k Weight Emerald Approx. 1.02ct Diamond Approx. 0.80ct Engagement Ring Size 7.25 Measurements 0.25”x0.75”

Metal Content: Platinum/ 18k Gold. Weight of Item: 13.9 grams.Size: 6.25, width of the top - 21mm. Gemstone: Opal , Diamonds. Carat Weight: approx. 0.35ctw. Stamp: 0.35, pt900 k18.

METAL: Platinum. MEASUREMENTS: Ring size 8.25, width 13mm wide. GEMSTONES: Cat's eye chrysoberyl - 10mm x 9.5mm. Diamonds approx. 0.24ctw. TESTED: Plat. WEIGHT: 10.6 grams.Gemstones have not been

Ring features approx. 2.00ctw of baguette diamonds. Center will fit approx. 10.7mm diameter stone. Ring size is approx. 9 (including sizing balls). Ring top measures 18.3mm at widest point. Marked PT9

Beaudry Platinum, 18k Gold and Diamond Ring Ring having a platinum border flanking gold floral design, all having round cut diamonds, marked '750' and '100PT'; together

METAL; platinum shank, gold top. MEASUREMENTS: ring size - 6, ring top is 12mm wide. GEMSTONES: jade - 12mm x 9.1mm, baguette diamonds - approx. 0.12ctw. MARKED: 10 % irid plat. WEIGHT:4.5 grams.Gemst