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.

An exquisite Art Deco platinum filigree ring set with a 1.14 carat old European cut diamond surrounded by caliber-cut onyx and coral in a sort of Moorish design. The diamond is graded as H color and SI1 clarity. All the stones are set in millgrained bezel settings. The surrounded coral has very saturated, even coloring that contrasts beautifully with the onyx and the sparkle of the diamond. Strong color contrast is especially associated with Art Deco jewels...

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...

Rare color of green tourmaline set in platinum and surrounded by diamonds. Circa 1930 and in great condition, this beautiful ring is set with a substantial 3.75 ct tourmaline. There are approximately .10 cttw of single cut diamonds surrounding it. The face of the ring measures approximately 15.5 mm long and 11.5 mm wide. The ring is a size 7.5. The setting is platinum and is marked. There are a few light scratches on the table facet of the tourmaline. They could be easily polished out...

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...

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.

This stylish handmade Art Deco platinum cocktail ring is set with two marquise diamonds and forty-two single cut diamonds. The approximate weight of the two marquise diamonds is 0.40Ct and the approximate total weight of all diamonds is 0.90Ct. The top of the ring measures 13/16” by ½”. The ring is a size 3 ¾, and it can easily be sized.

A well proportioned marquise diamond centers this platinum engagement ring and the center stone is flanked by a leaf design which is decorated by three single cut diamonds on either side. The center diamond that has I color and VS1 clarity weighs 0.46Ct and the approximate total weight of all diamonds is 0.60Ct. The ring is a size 7 ½ and can easily be sized.

Anyone who appreciates antique jewelry would love this fabulous platinum and diamond ring from the 1920-s. The non certified center stone is an approximately 1.30Ct brilliant cut diamond that has H color and I1 clarity. The masterfully crafted delicate openwork platinum setting is decorated by 18 single cut diamonds. The approximate total weight of all diamonds is 1.65 Ct. The ring is a size 8 and can easily be sized.

An elegant yesteryear’s platinum and diamond bow like pendant is set with nineteen round diamonds. Thirteen of the diamonds are set in the body of the pendant, while three diamonds are hung from the bottom. The approximate total weight of all diamonds is 0.75Ct. The 1 ¾” long and 9/16” wide pendant is accompanied by an 18” long platinum chain.

A masterfully handcrafted antique diamond and platinum engagement ring is centered by an approximately 1.20Ct old-mine diamond. The center stone that is not certified has K-L color and VS2 clarity. The intricately detailed openwork setting is further enhanced by fourteen smaller single-cut diamonds. The approximate total weight of all diamonds is 1.45Ct. The ring is a size 7 ¼ and can easily be sized.

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.

An ornate 9k yellow gold custom made man's black onyx signet ring probably from the 1940s. This size 11 beauty has a rectangular bezel set black onyx stone in a 11/16 x 5/8" setting. The shoulders are beautifully sculpted and engraved with a floral motif. It is stamped only 9C, it weighs 7.6 grams and it is in excellent condition with no chips, cracks, dents, bends, corrosion, damage or repairs other than signs of an earlier resizing...

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 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...

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...

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

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. Each plaque is slightly arched to accommodat...

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 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 ...

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.

Eternity band with a "twist". The band is set in half sapphire and half ruby with the ring switching from one to the other as you rotate it. The band is made of platinum and dates from about 1930. The sapphires are a lovely dark royal blue and the rubies a pinkish-red. Such rings were called "day and night", ruby side for day and sapphire for night, or the other way around if you desire. Eternity bands are meant to be given to commemorate special occasions such as anniversaries as they signif...

Dazzling art deco platinum setting with approximately 1.62 ctw in diamonds in a square checkerboard pattern-- 4 rows of 4 diamonds in each row. Set on top with sixteen (16) European cut diamonds, I in color, SI in clarity, together weigh 1.5 ctw. This all original platinum ring is also set with eight (8) single cut diamonds, J in color, SI in clarity, together weigh .12 ctw. Top of ring dimensions are approximately 12mm x 12mm. 7.4 grams, ring size 6, can be sized up or down by a compete...

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 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 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...

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,...

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.

An exquisite Edwardian pendant and brooch featuring a large oval rubellite (pinkish-red tourmaline) cabochon surrounded by old European cut diamonds mounted in elegant buttercup settings. The diamond flower buds are mounted in an intricately interlaced knife-edge platinum setting. The back has a removable mounting so the piece can be worn as either a brooch or a pendant. Removable mountings of this type are very complex and appear on only the finest pieces from the period. The rubellite has ...

A phenomenal Edwardian platinum and 18K gold brooch/pendant in the form of a caduceus set with 160 old European and old mine cut diamonds weighing approximately 2.90 carats. The principal stone is a square cushion cut, weighs approximately .28 ct, and is F color, VVS2 clarity. The smaller diamonds range F-I color, VS2 to I1 clarity. The diamonds are set in platinum over 18K yellow gold in the traditional French manner. The mounting is of the finest quality, with superb hand-sawn piercing and...

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 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 ...

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 ...

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. ........

Platinum Diamond Engagement Ring 1.03 Major diamond SI1 GH Color

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...