Turn heads with three sparkling old mine diamonds set in this 1920’s filigree pin and pendant executed in platinum and 14 Kt white gold. The three stones weigh in at approximately 1.10 carats total and are set in platinum atop intricate filigree work full of knots, braids, and other flourishes. As is visible in the thumbnail photo, the bale may be folded down when the item is worn as a pin, either horizontally or vertically, making it symmetrical...

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

A stunning platinum lavaliere and rose cut diamond necklace from the Belle Epoque (Edwardian period). The platinum chain transitions at the middle to rows of rose cut diamonds in millgrained platinum collets separated by knife-edge spackers that meet in a matching inverted pear-shaped plaque set with a large pear-shaped rose cut diamond. A second smaller diamond below exaggerates the pear-shaped motif...

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.

Natural emerald oval cabochon weighing approximately 0.40 ct surrounded by beautiful platinum openwork and four diamonds weighing approximately 0.20 cttw. The ring is a size 6 and the overall weight is 3.1 grams. It is in good condition. It is unmarked but has tested as platinum. Circa 1910.

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.

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.

A lovely French garland-style pendant/brooch in platinum and set with diamonds. The garland style, popularized by Cartier, heavily borrowed Louis XVI motifs such as bows, ribbons and laurel wreaths—all seen in this example. When worked in platinum, the designs take on a delicate appearance and allow the diamonds to shine. The center old European cut diamond, graded as J/SI1, weighs .48 carat...

A beautiful lady’s ring in the pierced dome style. The dome is set with melee round diamonds surrounding the center old European cut diamond. The center diamond’s diameter is 7mm with clarity VS1 and color H-I. Weight is 1.19 carat. There are 18 single cut diamonds with clarity VS1-VS2 and color G-H weighing 0.50 carat. Total weight is 4.2 grams. The ring shank is marked “Platinum and 1373” with engraved initials AJH. Circa 1910. Ring size 6 ½. The ring is in excellent condition.

This elegant and sophisticated ring was handcrafted of platinum and contains a bezel set center oval diamond surrounded by channel set square and trapezoid cut rubies with ornate filigree greek key design, geometric patterns and accents throughout. The center old mine cut diamond is 0.88 carat with VVS2 clarity and N color GIA scale. There are 28 accent diamonds old mine and old European cut totaling .56 carat with I1 clarity and H-I-J color GIA scale. The 20 natural rubies total 0.56 carat...

Ca 1920 A stunning platinum and pearl ring with millegrain setting. There are twelve diamonds with a total carat weight of approximately 1.25 (ctw). The cream-colored cultured pearl measures 9mm. There is also a small amount of glue residue at the base of the pearl and very light wear on the nacre. Tests 950 platinum. Size 4.5 ~ Weight: 4 grams.

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

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...

A very fine Art Nouveau pendant formed from an exceptionally large natural freshwater pearl mounted in platinum and gold and set with diamonds. The floral platinum mounting features a .15 carat old European diamond and nine single-cut diamonds. The bail is shaped as a clover and is set with three additional diamonds. The pearl has fine luster with rose and green orient. Tested and guaranteed platinum and 14K gold. The contemporary chain is 14K white gold.

• Origin: America, ca...

An impressive Edwardian pendant featuring a large cabochon amethyst and diamonds set in platinum. The amethyst is pierced and set with a .25ct H/SI1 diamond and surrounded by a halo of small old European cut and rose cut diamonds. The bail is similarly set with rose cut diamonds. The pendant has a very dramatic appeal, yet the openness of the setting keeps it from being overpowering. Tested and guaranteed platinum (chain is silver).

Origin: America, ca. 1915...

A large Edwardian puffed heart pendant/brooch worked in finely pierced platinum and set with nearly six carats of old European cut diamonds. Most Edwardian hearts are somewhat smaller than this generously-sized example. The design depicts a central blossom surrounded by scrolls around the edge of the heart. The center diamond is .60 carat, L color and SI2 clarity. The remaining 36 diamonds, totaling approximately 5.27 carats, are I/J color and SI1-I1 clarity...

Over a carat and a half of old cut diamonds surrounding a 2.20 carat natural blue sapphire...

Sixteen large old mine cut diamonds set in a heavy platinum setting. The diamonds weigh approximately 3 carats total weight, and grade at VS-SI in clarity and H-J in color. The pin-back is 18k yellow gold and is stamped as such. The brooch measures 1.75" in length and approximately .75" wide. It is in excellent condition and weighs 7.7 grams.

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. The chain is 14k white gold French made ...

A stunning French Belle Epoque platinum negligee necklace set with old European and single-cut diamond and calibre cut blue sapphires. The fancy platinum chain, interrupted at regular intervals with natural seed pearls, joins to a gracefully arched diamond-set bar suspending old European cut diamonds leading an asymmetrical pair of semicircular plaques, each finished with a tassel of natural seed pearls. The term “negligee”, technically meaning “careless”, refers to the seemingly carel...

A fine and very lovely Art Nouveau pendant or brooch worked in platinum and 18K yellow gold, every visible surface is set with old mine cut and old European cut diamonds of various sizes. The design depicts are central flower surrounded by foliage twisted into whiplash curves and sprinkled with flower buds. The construction is very solid and quite heavy, but the openwork maintains a feeling of lightness. The back retains the original pinstem and safety clasp as well as a folding bale so the j...

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

Victorian ring in platinum on 18k gold with rose-cut diamonds and rubies in crisscross design. England, ca 1880. Hallmarked. Excellent condition.

Size: 4 1/2. Weight: 2.1 dwt (3.2 g). #1221

A stunning pair of platinum and 18K yellow gold earrings set with diamonds and rubies by Tiffany & Co. Each earring features four marquise cut diamonds set in the traditional “Victoria” crossed pattern, suspending a prong-set round mixed-cut ruby. The diamonds are set in platinum, while the rubies are set in 18K yellow gold, as tradition dictates. The diamonds are F color and VVS2 clarity. The rubies, of equally superb quality, are graded as medium vivid red color (R 5/6), excellent cut,...

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. ........

Vintage pair of platinum wedding bands designed to fit next to or around a solitaire style engagement ring. Can be worn together, separately, with one on each side of the engagement ring, or both on the bottom of the engagement ring (see photos). Each ring has 9 modern cut diamonds (SI, I in color) set in solid platinum with engraving on the top half of each ring. Total carat weight is 40 points. Both hallmarked plat and cp. Ring size 7 3/4, total weight of both rings is 8.9 grams.

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

A superb pair of vintage, mid-century platinum earrings with green tourmalines and diamonds. The large rectangular step cut tourmalines contrast beautifully with the surrounding ribbons of diamonds and the whiteness of the platinum settings. The pairing of tourmalines and diamonds isn’t terribly common and gives these earrings a special appeal. The tourmalines, of outstanding quality, are graded as very slightly bluish green hue, with medium dark tone and strong saturation (vslbG 6/5); 60% ...

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 ...

Platinum Diamond Engagement Ring 1.03 Major diamond SI1 GH Color

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. The 114 old mine and single-cut diamonds average H color and SI1 clarity. The back of the pin is finished with a double clip. The reverse is engraved "To Mama 6-8-36". The bottom edge of the gallery has what appears to be a heavily worn signature. Teste...

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. The interior of the s...

This is a BEAUTIFUL DIAMOND ENGAGEMENT RING with a 1.50 Carat European Cut Center DIAMOND. Note the Fine PLATINUM FILIGREE Setting. Date this Engagement RING ca. 1925- 1935. Ring size is a 5 1/2. More details posted soon ... from a Florida Estate. This is a Fantastic PLATINUM DIAMOND ART DECO ENGAGEMENT RING in Excellent Condition

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. 1920.

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. The bracelet is masterfully constructed so it lies flat against the wrist and the links are individually hinged to p...

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. The inside of the shank is marked "10% Irid Platinum".

Origin: America, ca 1920

Condition: excellent, the pearl likely replaced a center diamond

Dimensions: crown 1/2" x 1/2"

Finger Size: 4-1/2

Weight: 6.0 grams

Ap...