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...

A phenomenal Edwardian platinum, diamond and amethyst bow brooch by Cartier. Four tromp l'oeil amethyst loops, each surrounded in old European cut diamonds, flank a center 1.08 carat, J/K, VS2 old European cut diamond.

Each of the double loops of the bow appears to be set with two amethysts, but there is in fact only one amethyst on each side. The gemstones are precision-cut to fit perfectly into the platinum setting and give the appearance of being four stones...

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.

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...

A stunning late Art Deco pair of diamond and palladium dress clips by Tiffany & Co. The clips are fully convertible with a duette mechanism into a single round brooch of substantial presence. Each clip features a pair of stylized flowers with curving foliage and are faintly in the cornucopia shape popular in Deco and Retro jewels. The clips are extremely versatile--they can be worn singly, as a pair or joined as the larger brooch. The diamonds are G color and VVS2-VS1 clarity...

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...

Your dream could be fulfilled with this glamorous 1920-s treasure. The approximately 1.70 Ct old-mine diamond with K color and VS2 clarity is set in a beautifully engraved openwork platinum setting. The diamond was graded by our in-house gemologist, and it is not certified by a gem lab. It is rare indeed, to find a period piece like this in such perfect condition. The ring is a size 6 ½ and it can easily be sized.

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...

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...

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

A magnificent vintage platinum brooch formed as a floral bouquet featuring three primary blossoms tied at the bottom with a ribbon, and set with a mix of old single cut, old Swiss cut, old European cut, old mine cut, early modern brilliant round cut and French cut diamonds and round brilliant cut sapphires. The center flower features a .83-carat, old mine cut diamond of fancy cognac color and SI2 clarity; surrounded by sapphires...

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.

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.

This brilliant 1.13 carat pear shaped diamond is set in platinum. The intricately faceted stone is EGL certified as having G color and VS1 clarity. Two subtle tapered baguettes, one on each side of the rock, tip the carat weight to 1.40 total. This vintage stunner dates from the 1950's or 60’s. The ring is a size 5 and it can easily be sized.

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...

This fabulous vintage flower bouquet shaped ring is sure to turn everyone green with envy. Dating to the 1960’s, this platinum ring features a 0.75 carat pear shaped natural emerald...

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.

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.