All Items : Estate Jewelry : Platinum : Retro : Pre 1980 item #1467444 (stock #6605)
Beautiful natural blue star sapphire and diamond ring in platinum. Top of this, size 6.5 ring, measures 25mm x 22mm, (1" x 7/8"). Ring consists of 12.41ctw natural Sri Lanka star sapphire and 2.31ctw of baguette and round cut diamonds of G-H color VS-SI clarity. This amazing ring is in excellent pre-owned condition. Weight is 16.62 grams. GIA report included. Hallmarks: 900 plat. 12.41. D.2.31.
All Items : Estate Jewelry : Platinum : Retro : Pre 1970 item #1465060 (stock #6592)
Super elegant diamond riviera necklace in platinum. This circa 1960's-70's necklace consists of approx 10ctw of I color SI clarity diamonds. It measures 16.25" long x 0.25" wide, (front). Necklace is in very good pre-owned condition. Hallmarked Plat 850 10. Weight is 36.37 grams.
All Items : Estate Jewelry : Platinum : Vintage : Pre 1920 item #1464998 (stock #6584)
Art Deco, old European diamond brooch/pendant in platinum. Pendant measures; 70mm x 30mm, (2 3/4" x 1 3/16"). Brooch consists of approx.5.2ctw of G-H color VSI clarity diamonds. It is in very good pre-owned condition, except of couple small diamonds missing. Weight is 19.29 grams.
All Items : Estate Jewelry : Platinum : Retro : Pre 1930 item #1464890 (stock #6581)
Art Deco Era diamond dangle earrings in platinum. These drop earrings measures; 30mm x 6mm. Earrings consists of approx.1.45ctw of H color VSI clarity diamonds. Earrings are in excellent pre-owned condition. Weight is 6.43 grams.
All Items : Estate Jewelry : Platinum : Vintage : Pre 1920 item #1463650 (stock #6559)
Large, antique Edwardian Era, diamond brooch in platinum. Pin measures; 72mm x 35mm, it consists of approx. 5.2ctw of G color VSI1-2 clarity diamonds. The center stone measures 5.5mm in diameter, (about. 1ctw) and the two side stones are 4.5mm in diameter, (approx. 0.55ctw each). Brooch is in excellent pre-owned condition. Weight is 14.72 grams.
All Items : Estate Jewelry : Platinum : Vintage : Pre 1920 item #1461599 (stock #6535)
Exquisite, Antique, Edwardian Era diamond and sapphire brooch in platinum. This gorgeous pin measures 2 3/8" x 13/16". Brooch consists of 1.14ctw. Old European cut diamond measuring 7mm in diameter accented with 20 brilliant cut diamonds of approx weight of 0.89ct. and 10 natural sapphires of approx. weight of 1.36ct. Brooch is in very good antique condition. Weights is 10.8 grams. Appraisal document with retail replacement value of $17.500 included.
All Items : Estate Jewelry : Platinum : Vintage : Pre 1950 item #1459075 (stock #6501)
Gorgeous, over the top, emerald diamond and seed pearl chandelier earrings in platinum. Earrings for pierced ears, measures; 2 7/8" long x 1" wide. They consists of approx. 3.75ctw of H color diamonds, 5ctw of natural emeralds and 40 natural pearls. Earrings are in very good antique condition. Weight is 31.8 grams. No hallmarks.
All Items : Estate Jewelry : Platinum : Vintage : Pre 1970 item #1457850 (stock #6458)
Beautiful retro 11 carat no heat Ceylon sapphire diamond ring in platinum. Top of this size 6.5 ring measures 22mm x 21mm, sapphire gemstone is 13mm long x 11.mm wide. Ring consists of approx. 2ctw of G color VSI clarity diamonds. Ring is in excellent pre-owned condition. Weight is 6.65 grams. Copy of the AGL document included.
All Items : Estate Jewelry : Platinum : Vintage : Pre 1950 item #1457657 (stock #4450)
Gorgeous pair of Retro diamond earrings in platinum. These chandelier style earrings consists of approx. 3.8ctw of F-G color, VSI clarity diamonds. Earrings measures; 45mm x 20mm. Condition is excellent. Weight is 14.38 grams.
All Items : Estate Jewelry : Platinum : Vintage : Pre 1930 item #1456235
A stunning early Art Deco platinum bracelet set with diamonds and emeralds. The bracelet comprises seven rectangular plaques, each centered with an old European cut diamond. The plaques are hand-pierced in an ornate foliate pattern accented with a total of 84 smaller old European and single cut diamonds and 70 calibre-cut natural emeralds. The primary diamonds (two .44ct; two .46ct; two .55ct; and one .61ct) are very well matched and are graded G/SI1...
All Items : Estate Jewelry : Platinum : Retro : Pre 1970 item #1455816 (stock #6416)
Magnificent pair of Diamond and cultured pearl earrings in platinum, GIA certified. Earrings with removable pearl measures 55mm long x 18mm wide. They consists of 10.35ct of F color VVS clarity diamonds and 11.8mm pearls. Condition is very good. Weight is 26.95 grams. GIA report included.
All Items : Estate Jewelry : Platinum : Retro : Pre 1970 item #1455509 (stock #6400)
Stunning, retro, marquise diamond cocktail ring in platinum. Top of this, size 7.75 ring measures; 22mm x 13mm. Ring consists of approx. 3.25ctw of F-G color VS1 clarity diamonds. Ring is in excellent pre-owned condition. No hallmarks. Weight is 6.56 grams.
All Items : Estate Jewelry : Platinum : Pre 1910 item #1453219 (stock #1197)
Stunning American Edwardian platinum brooch, ca 1900. Barbell form with cylindrical pipe opal. Ends encrusted with rose-cut diamonds. Excellent condition.

Length: 2 1/8 in. #1197

All Items : Estate Jewelry : Platinum : Pre 1930 item #1449243 (stock #AL3473)
Louis Wine Ltd
$9,500.00
Large Art Deco Diamond and Platinum Brooch C.1925. The brooch of rectangular chamfered corners shape, milligrain set with 86 mixed round brilliant, swiss and single cut diamonds, total approximate weight of 3.85 cts, average VS1-SI1 clarity, average H-I color. (centre stone 0.35 ct, VS, H). The brooch of pierced geometric design, split gallery setting. Measures: approximately 2.25 x 0.75 inches. Item Weight: 17.37 grams. Acid tested for Platinum. Condition: Very Good.
All Items : Estate Jewelry : Platinum : Pre 1920 item #1448530 (stock #AL3469)
Louis Wine Ltd
$7,500.00
Art Deco French Diamond Platinum plaque Brooch, C.1910. The Brooch of rectangular shape with chamfered corners, milligrain set in the centre with an old european cut diamond approximately 0.40 ct. The surround mount of open pierced milligrain design set with numerous swiss, old cut and single cut diamonds Total Diamond Weight: Approximately 2.82 ct, average SI1clarity, average I. Total Item Weight: 10.73gm. Measures: 2.25 x 0.875 inches. French characon weevil platinum mark to edge...
All Items : Estate Jewelry : Platinum : Retro : Pre 1980 item #1448394 (stock #6278)
Estate, Tiffany & Co, platinum and natural ruby wedding eternity band, ring. Band, size 6 is 2.5mm wide. In good pre-owned condition with some chipping to the rubies. Hallmarked Tiffany & Co Irid. Plat. Ring consists of approx. 1.3ctw of natural rubies. Weight is 3.1 grams.
All Items : Estate Jewelry : Platinum : Retro : Pre 1980 item #1448390 (stock #6277)
Emerald and diamond engagement ring composed of platinum and 18k gold. Top of this, size 7 ring measures 25mm x 18mm. Ring consists of approx. 1.68ctw. of G color VSI2 clarity diamonds and approx. 1ctw marquise cut natural emerald. This platinum ring is in excellent condition. Weight is 6.74 grams.
All Items : Estate Jewelry : Platinum : Vintage : Pre 1930 item #1435733 (stock #6103)
Exquisite, Art Deco Era, platinum brooch/pendant, with diamonds and natural ruby. This gorgeous pendant measures 1 3/4" x 7/8", ruby measure 5.4mm x 4.79mm, each of the 2 large diamonds measures 4.82mm in diameter. Total carat weight of diamonds is over 3ctw. Pendant is in very good condition. It weights 13.2 grams.