This pin has been tested to be platinum. It has 8 corn flower sapphires set in openwork.

It measures 1 3/16" long by 11/16" wide.

This Wedding Set is from a Virginia Estate: Platinum Diamond Engagement Ring Set ca. 1925. The Center Diamond is .60 Carat VS2 Clarity HI Color. There are an additional 5 Tapered Baguettes: 3 Baguettes set in the Wedding Band, 2 Baguette Diamonds flanking the Center .60 European Cut Diamond. The Setting is Platinum. One of many Diamond Engagement Rings available at our Store.... 301 942 0936 Jantiques; Kensington, MD 20895

Wonderful 1920's platinum brooch with diamonds, onyx, and pearls. This lovely brooch measures 2 1/2" long and 1/2" wide (at center). There are (32) prong set Old Mine Cut diamonds set into a pierced platinum deco setting. The center of the brooch consists of two round cabachon onyx measuring 5mm each, and two round creamy white natural pearls measuring 6mm each. Trombone clasp. Indistinguishable punch marks on stem. Comes in it's original box! Excellent condition. Circa 1920.

This RING from a Virginia, USA Estate is a Classic. The 1.15 Carat European Cut Diamond is set in a Platinum Filigree Setting. This Diamond is VS2 SI1 Clarity GH Color, Ring size is 6 and can be sized per usual requirements. This is a Must See for those looking for a Diamond Filigree Ring circa 1920- 1935. Beautiful Ring & Surprising Still Available at the Store. Someone is Missing the Opportunity to Own & Wear this Beautiful Ring

This is a 2 Diamonds & Sapphire Ring from a Midwest Estate. The Oval Sapphire is Approximately 2 Carats & the Diamond weight will be posted shortly. Beautiful Bright & Deep Blue Sapphire

This is an Art Deco Era Platinum Diamond & Sapphire Ring. At the Center is a Beautiful 2CT Sapphire. On the Square top there are 16 Diamonds; at the Shoulders there are 6 more Diamonds... total Diamond Weight: 1/2 carat. Deco Fans add this Beautiful Ring to the Jewelry Box.. ca. 1920- 1940 in Excellent Condition

This is a Retro Era Platinum Circle & Bow Brooch. Set with one marquise diamond weighing approximately .40 carats, twenty square rectangular baguette diamonds weighing approximately .70 carats and forty-six graduated round brilliant-cut diamonds weighing approximately 2.90 carats. Total Diamond Weight is approximately 4 Carats. FG Color, VS Diamonds. Ca. 1950

Stunning platinum and diamond earrings in the "stile guirland" or "garland style" developed in Paris by Cartier, but first made fashionable by Queen Alexandra of England. Each earring is composed of a floral motif surmount, suspending a bow, suspending a wreath circled about another floral motif, suspending a teardrop. Each earring is fully articulated, so that all the parts move independently with the slightest movement...

This is a Platinum Diamonds Anniversary Band, 2.00 Carats Total Diamond Weight. This Anniversary or or Eternity band has 36 Full Cut Diamonds , SI Clarity, and GH Color. OLOR. The Ring size is 5 3/4. Unmarked; however tested and Fine Platinum. Ca. third 1/4 of the 20th Century. One of Many Platinum Diamond Jewelry Pieces at our Retail Shop: Jantiques 10429 Fawcett St; Kensington, MD. 20895. jpgs provide More info

This is a Platinum Diamonds Eternity Band, 1.50 Carats Total Diamond Weight. This Anniversary or Eternity has 24 Full Cut Diamonds, SI Clarity, and GH Color. The Ring Size is 6 1/4. Unmarked; however tested and guaranteed Platinum. Ca. third 1/4 of the 20th Century. One of Many Platinum Diamond Jewelry pieces at our Antiques & Estate Jewelry Shop: Jantiques 10429 Fawcett St; Kensington, MD. 20895. jpgs provide more info

One platinum on 18K yellow gold and diamond Edwardian brooch. The brooch consists of a pierced top set with Old European cut diamonds and melee rose cut diamonds in a geometric pattern. The twelve Old European diamonds have a total weight of 1.20 carats. The clarity is SI1 and the color is H-I. The thirty nine rose cut diamonds have a total weight of .50 carat. The brooch has a hinged straight back with side clutch closure. The piece measures 2" long by 7/8" wide. The condition is excellent...

Posted here from our Collection of Platinum Diamond with Alternating Precious Stone Eternity Bands... Primarily posted for DC Metro Walk~ In Clientele. These pieces date ca. 1990 to present. MANY Available ......

Elegant platinum and diamond bracelet designed by Elsa Peretti for Tiffany & Co. The bracelet features 23 collet-set 10-point round brilliant-cut diamonds spaced along a platinum chain. The diamonds are G color and VS clarity. The clasp is marked "Perretti T&Co 950". It currently (January 2013) retails at Tiffany for $10,500. Size: 7-1/8" long. Weight: 5.5 grams. Total Diamond Weight: 2.3 carats.

This is a Platinum Diamond Engagement Ring with a 1.18 European Cut UT Center Diamond. That Diamond is VS2 Clarity and GH Color. The Mounting has a Step Down design with an additional 6 Diamonds adding an additional .25 Carats of weight. Total Diamond weight is approximately 1.43 Carats. One of Many Platinum Diamond Engagement Rings in Our Collection. B e a u t i f u l Ring

This is a small sampling of Our Platinum Wedding Bands available. Date these ca. 1930s to 1980s. Items here do not have Diamonds. Please note these are posted primarily for our DC Metro walk in Clientele but we will always attempt to answer your online questions

This is a Platinum & Diamonds Wedding Band Approximately 2.5 carats total diamond weight of baguettes and rounds DIAMONDS. Designed as an Endless Knot. The size is 5 3/4... this Platinum Diamonds band is ca. 1950's

This is a Women's Platinum & Diamonds Wristwatch from a Maryland, U.S.A. Estate. The Dial reads: Elgin. The Bracelet portion alone has approximately 2.4 Carats of Diamonds with 20 .12/100 Carats European Cut Diamonds. There are another 48 Diamonds easily adding another 1 Carat Plus ARAT PLUS of Round Diamonds. Date this Piece ca. 1925- 1940 Running Strongly and in Beautiful Condition. jpgs give More info

This is a Fantastic Art Deco Platinum and Diamonds Brooch. Designed as a Duette the Two Sections contain one hundred twenty Diamonds. Approximate Diamond weight is 3.5 Carats. From a well-known Washington D.C. area Estate.........Hard to Find

Art Deco Pin, platinum and diamond par pin bead-prong set with twelve old European cut diamonds. The total diamond weight is 4.0 carats. The average GIA clarity grade is SI/1 and the color is G-H. The pin has side engraved details, and has a Black, Starr & Frost stamp. The craftsmanship is fine, and the condition is excellent. Circa 1901 - 1914. The pin measures 2” in length. Note: Mounted gemstones are graded only to the extent that mounting permits examination.

Edwardian Pin, 18 K yellow gold and platinum pin. The pin is bezel set with an oval natural ruby weighing 1.00 carat. The ruby has a medium to medium light reddish-pink intensity with good clarity. There are sixty eight rose cut diamonds bead set in a platinum gallery around the ruby. The craftsmanship is fine, and the condition is excellent. Circa 1901 - 1914. The pin measures 3 ½” in length. Note: Mounted gemstones are graded only to the extent that mounting permits examination.

This Platinum and Sapphire Eternity Band size 5, with Five French~Cut Sapphires Alternating with 3 Round Diamonds. This pattern repeats all the way around the Anniversary Band. Other similar Platinum Bands available at our store

This is a 14k and silver Edwardian period oval shaped pearl and diamond pendant. The pendant is peg set with six slightly baroque river pearls measuring 5.50mm - 5.70mm in diameter. There are twelve rose cut diamonds prong set in between the pearls. The total diamond weight is .48 carats. The pendant has the original bail and is bead set with three rose cut diamonds. It measures 1.5" by 1". The pendant is in excellent condition and is circa 1901 - 1914...

This classic Deco sapphire French cut eternity band, crafted of platinum and rubies, features 26-30 rubies. There is a hallmark inside that reads 10% iridium platinum. The addition of iridium, a hard and rare metal with an extremely high melting point is a good thing, simply means the platinum has an even harder-wearing durability. The band measures a US/Can. 7 and is NOT size-able.

A gorgeous Art Deco platinum mounting sprinkled with diamonds and featuring a pair of round brilliant cut aquamarines. The crown of the ring rises well up off the finger, creating a sort of umbrella effect that nestles the aquamarines. The diamonds larger diamonds in the setting are old European cuts and the smaller ones are single cuts. All are in the H/I color range with VS clarity. The mounting is finished with expert milgraining and ornate piercing.

• Origin: America, ca...

An elegant Art Deco ring in platinum set with diamonds, sapphires and a 7-mm pearl. The octagonal face is bordered with sixteen single-cut diamonds (H/SI2) enclosing a border of calibre-cut sapphires around the center pearl. The pearl has excellent luster and overtones...

An elegant Art Deco platinum filigree ring centered by a .70 old European cut diamond mounted in an octagonal surround of caliber cut synthetic sapphires (typical of genuine Art Deco period rings). The platinum setting is beautifully pierced at the front and the shank is engraved in a foliate pattern completely around. The diamond is graded as G/H color and VVS1 clarity, and has excellent cut with fine brilliance. The sapphires are bright and provide a nice pop of color...

A stunning Art Deco platinum bracelet, the links arranged in a zigzag pattern of bead-set round diamonds and channel-set square rubies. The overall design has the beautifully graphic, geometric appeal of the best French Art Deco jewels. The diamonds average VS clarity and G/H color. The rubies are similar quality, with medium dark, vivid red color (R6/6) and eye-clean clarity...

A fine Edwardian platinum and natural saltwater pearl necklace. The strand comprises 72 natural pearls of graduated sizes (3.7 to 5.0 mm) strung between platinum links. The pearls have symmetrical button shape, white body color with cream overtones, and excellent luster. The pearls are well-matched for size and quality throughout the strand...

A fabulous Art Deco platinum brooch in the form of a carved hardstone Scottish Terrier sitting atop a diamond-encrusted platform surrounded by a leash as a sort of diamond-set halo. The dog is finely carved and enhanced with a matte finish...

A spectacular Art Deco period platinum brooch with bezel set round and baguette diamonds comprising over 6 carats of diamonds, Circa 1925. The piece measures approx 2" by 1". It is not marked, but tests platinum. The brooch weighs 8.9 grams and is in excellent condition. A rare find that is elegant simplicity.

A very fine round platinum, diamond and pearl brooch depicting a flower in full blossom being visited by a small insect. The flower’s leaves and petals are set with mine-cut diamonds, as are the insect’s wings. The insect’s body is formed from a small natural pearl and pearls also adorn the flower in several places. The delicacy of the design is amazing. The diamonds are very good quality and the pearls have lovely iridescence. The brooch retains its original safety clasp and 18K gold...

Platinum Diamond Engagement Ring 1.03 Major diamond SI1 GH Color

This is a Marquise Cut Diamond Ring in a 14K White Gold setting with Diamond accents. The Engagement Ring has an approximately 75/100 Carat Major Diamond SI2 GH Color. Vintage 1970- 1990 ......Please contact us for more details or see this Ring @ Jantiques in Kensington, Md. ........

A very fine pair of platinum, diamond and aquamarine earrings in a classic Art Deco style. The brilliant round-cut diamonds graduate from .20 ct at the top to .30 ct at the bottom. The diamonds are finely matched at H color, VS1 to VS2 clarity, with good to very good cut. The brilliant oval-cut aquamarines have fine color color, very good brilliance and SI clarity. The aquamarines are unheated. Each gemstone is set in a fully articulated mounting with a pierced gallery. The earrings have screw ...

A superb early Edwardian “style guirlande” platinum, gold, diamond, opal and pearl necklace. The fine platinum chain suspends a platinum and gold pendant centering a beautiful oval opal surrounded by an ornate swagged garland of diamonds punctuated with creamy natural pearls. The opal has strong and even play-of-color with strong flashes of bright green, a bit of blue and pale orange. The single cut and old European diamonds have beautiful color (F-H) and have clarity ranging from SI1 to ...

This is a Platinum Diamond Engagement Ring from a Maryland Estate. Center ~ major Diamond is .48/100 Carat, Modern Brilliant Cut, VS2 SI1 clarity, GH color. There are another 20 Diamonds Accenting the center stone adding another 1/3 Carat of gems; therefore .78 Carats tdw. Beautiful Ring