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 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.

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...

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...

Beautiful Art Deco three-stone design in Platinum totaling 2.93 carats. The Old European Cut center diamond measures approximately 1.20 carats and grades on the GIA scale as L color and VS2 clarity. The Old European Cut diamonds on either side measure approximately .80 carats and .93 carats and grade as VVS2-VS1 Clarity and K-M color. The ring is in excellent condition and is currently a size 6.75.

This is a Fantastic Art Deco Platinum Sapphire & Diamonds Ring. Oval Sapphire is 3 1/2 to 4 Carats and the Genuine Art Deco Mounting has multi diamonds.... Gemologist Appraised at the Price shown.... Available in Kensington, Md.

An elegantly tailored platinum and diamond engagement ring and matching band set from the 1960-s. The engagement ring is centered by a guaranteed 1.01Ct brilliant cut diamond, and the center stone is flanked on either side by a tapered diamond baguette. The center diamond is not certified, but graded by our in-house gemologist, and has J color and VS1 clarity. The approximate total weight of the three diamonds in the engagement ring is 1.20Ct...

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...

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. ........

This very elegant platinum ring is set with two 5 mm round natural emeralds, ten tapered diamond baguettes in two quarter – circles, and two smaller round diamonds. The approximate total weight of the emeralds is 1.50Ct and the diamond weight totals approximately 0.50 Ct.

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

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...

According to the marks this simple and tailored yet very elegant design platinum ring was made in Birmingham England in 1960. The approximately 0.60 Ct tube set solitaire diamond has I color and SI1 clarity. This ring is for anyone who appreciates classic elegance.The ring is a size 6 ¼ and it can easily be sized.

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...

An exquisite Art Deco platinum pendant in the form of a rose set with old mine cut, old European cut, single cut and pear cut diamonds. The design is delicately worked in a sort of stencil effect, the negative spaces between diamond-set areas appearing as the veins of leaves or the deeper recesses of the rose blossom. The center of the rose is set with a .96-ct pear shaped diamond, H/VVS2. The smaller diamonds are well-matched in the H range SI clarity...

An iconic "Lentils" necklace crafted in hematite by Angela Cummings for Tiffany & Co. Cummings began designing with lentil-shaped beads in late 1980 and it became one of her hallmarks. This hematite necklace is punctuated with a single platinum lentil pave-set with round brilliant diamonds (G/VS1). The brilliance of the diamonds is particularly nice against the dark color of the hematite. The clasp is signed "Cummings", "T&Co." and "IridPlat".

Origin: America, ca...

This vintage 1950-s platinum and diamond eternity band is set with 32 diamonds. There are 4 full-cut and 28 single-cut diamonds decorating the scroll and priced design 7 millimeter wide band. The approximate total weight of all diamonds is 0.70 Ct. The ring is a size 5 ½ and it CAN NOT be sized.

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. The necklace is finished with replaced 18K white gold clasp.

The necklace is accompanied by a gemological report from the Laboratoire Français de Gem...

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.

A spectacular pair of hanging diamond earrings set in platinum with 18Kt yellow gold closure. Weather it is for a wedding or any other special occasion, these earrings will steal the show. ALL DIAMONDS ARE NATURAL, EARTH-MINED DIAMONDS! On each earring the top is a European back set with two bezel set diamonds, the triangular middle part is set with 7 diamonds and the cluster on the bottom is centered by an approximately 0.15Ct diamond which is surrounded by 12 diamonds. The approximate weight ...

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...

A superb Art Deco platinum ring set with a cat’s-eye chrysoberyl cabochon flanked at each shoulder by a row of square step-cut diamonds. The chrysoberyl is of the finest quality, with a strong well-centered white eye against a strongly greenish-yellow background—precisely the combination that yields the desirable “milk and honey” effect. The cabochon is nicely cut and has very good symmetry. The diamonds are of exceptional quality, with D/E color and VS2 to SI1 clarity. The platinum...

Beautiful 5.2 carat Rubellite Tourmaline set in platinum with six diamonds. Simple and elegant, the ring is approximately a size 7. The diamonds on the sides are well cut and matched and weigh approximately 0.10 cttw. It is stamped on the inside "10% IRID PLAT". The overall weight is 4 grams.

Take her breath away with this pristine platinum and diamond engagement ring. Dating from the 1920’s and showing characteristic Deco influences from the prongs to the shank, this stunner features a 1.02 carat round center stone. The exquisite diamond is EGL certified as H color and VS2 clarity. Eight single-cut diamonds of various sizes accentuate the flourishes on either side of the stone, lending to the 1.20 carat total weight.The ring is a size 6 1/2 and it can easily be sized.

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

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.

A beautifully decorated platinum and diamond filigree ring from the 1920’s centered by two old-mine diamonds and further enhanced by another 28 various size old-mine diamonds. The approximate total weight of all 30 diamonds is 1.00Ct.The ring is size 5 3/4, but it can easily be sized if needed.

A stunning Art Deco platinum ring featuring an antique cushion cut 9.03-carat Ceylon sapphire flanked on either side by three baguette diamonds arranged in a stepped pattern. The sapphire is graded on the GIA scale as vB5/4 (medium tone, moderate-strong saturation, violetish blue color), with eye-clean clarity and excellent cut. The stone's internal characteristics suggest Ceylon as the most likely origin. The overall look is a lovely cornflower blue with a tinge of violet mixed in. The ston...

A very fine pair of platinum, diamond and sapphire earrings in a classic line pattern. The brilliant round-cut diamonds graduate from .10 ct at the top to .20 ct at the bottom. The diamonds are finely matched at H color, SI1 to SI2 clarity, with good to very good cut. The modified-brilliant round-cut sapphires have a beautiful limpid medium violet-blue color, excellent brilliance and eye-clean clarity. Each stone is set in a fully articulated mounting with a pierced gallery. The earrings have sc...

A lovely Art Deco white gold and platinum filigree bracelet featuring three diamond-set frosted and engraved crystal plaques alternating with bezel-set pale blue spinels. The use of pale blue spinels the color of aquamarines is a very unusual treatment in a bracelet of this type, and the overall effect is very pretty. All the platinum surfaces are engraved in a delicate foliate motif. The clasp is stamped for 14K and platinum and has an unidentified maker’s mark.

Origin: America, ca. 1920...

This reasonably priced elegant estate platinum and diamond engagement ring from the 1960-s is centered by a 1.65Ct marquise diamond. The non certified diamond has H color and I1 clarity. The center stone is flanked on either side by a tapered diamond baguette. The approximate total weight of the baguettes is 0.20Ct, which would bring the total weight of all diamonds to 1.86Ct. The ring is a size 4 ¾ and can easily be sized.

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.

Authentic 1920-s period platinum and diamond ring. The openwork top is decorated by nine old-mine diamonds. The approximate weight of the center diamond is 0.25Ct, while the approximate total weight of all diamonds is 1.15Ct.The ring is in great condition.

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 ...

Circa 1935, this late Art Deco watch is delicately crafted of platinum and diamonds. The band is made by Kreisler out of stainless steel and is marked as such on the clasp. The watch face measures approximately 1 3/8" long and 3/8" wide. It has approximately .50 carats total weight of baguette and rose cut diamonds on the front. The back of the watch is completely unmarked but has tested as platinum. The watch winds and keeps accurate time, but we do not warranty old watches. The band has two sa...

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. 1910