DIAMOND AND PLATINUM BROOCH, 5 CTS TW

With three millegrained bezel-set OEC diamonds, approx. .90 ct., 1.50 cts. or .90 ct., centering graduated lines of OEC diamonds, approx. 5.0 cts. TW, in a geometric design. Ca. 1930. Stamped Wise & S

RBC, OEC and pear shaped diamonds approximately 5 cts TW. I-K, SI. 12 dwts.

RBC, baguette and OMC diamonds, approximately 6 cts t.w. including center RBC diamond, approximately 1.45 cts, approximately H-I, VS-SI. 7.5 dwts.

Designed as an "S" shaped bead set diamond ribbon and rows of prong set RBC and marquise-cut diamonds, 5 cts. TW, finished by wheat link platinum chain, ca. 1960. Unmarked. 15", drops 1". 14.8 dwt.

Comprising square set links with transitional-cut diamond, approx. 2.5 cts. TW, ca. 1930. Incused 900 platinum. 6 1/2". 9.0 dwt.

DIAMOND & PLATINUM BOW BROOCH, C. 1920, L 2", T.W. 5 GR 5 gr. A small very delicate brooch in bowknot form. L 2". center diamond approx 10pts.Four blue sapphire baguettes. Myriad of diamonds assembled

Art Deco diamond and platinum eternity wedding band / ring. Channel set old mine cut diamonds. Approx. 1.5 cts.t.w. Ring size 8.5.

Center marquise diamond 2.67 cts. RBC and pear shape diamonds approximately 5 cts TW. Platinum ring/pendant. 10.5 dwts. Marquise light cape color with barely eye visible inclusions. Side stones H-I, S

The knife-edge circle with transitional-cut diamonds, approx. 3.40 cts. TW. 1 1/4". 4.3 dwt.

Pin contains 26 OMC and OEC cut diamonds. Approximately 1.5 cts, TW 12.5 dwt.

Designed as a tapered black corset with broad diamond pave platinum "stitch," two hinged panels, diamonds approx. 5.16 cts. TW, designed in 1969. Tag marked Plat David Webb 18k. Accommodates 6", taper

Designed as dimensional knotted ribbon of OMC diamonds, approx. 9.45 cts TW. Early 20th c. Stamped Schumann & Sons. 2 1/2" x 2". 19.6 dwt.

RBC, OEC and single cut diamonds approximately 8 cts TW. Approximately I-K, SI. 11.1 dwts.

Designed as two marquise and RBC diamond birds perched on a scrolling open form RBC diamond set heart, approx. 1.60 cts. TW. 1 3/8" x 1". 4.0 dwt. Provenance: The Gary and Helen Kalpakjian Collection.

RBC, marquise and baguette cut diamonds approximately 8 cts TW. Approximately GH, VS. 12.7 dwts.

RBC and single cut diamonds approximately 2.5 cts TW. Two cabochon sapphires approximately 3.5 cts TW. Emeralds approximately 1 ct TW. 18K. 10.8 dwts.

With channel-set baguette-cut diamonds, trimmed in RBC diamonds, approx. 3.78 cts. TW. Size 5 1/2. 4.7 dwt.

Center Stone Is Approx 1 Ct, Old Mine Cut. H-I. Approx 3.5cts Total. 1 1/2 x 1 3/4. Chain Is 20 Inches Long. Total Weight Of Both Pieces Is 17.2 Grams. Wire Transfer Or In-Person Cashier's Check Are T

Art Deco platinum, diamond, and fine emerald brooch / pin, composed of fifty-one mixed-cut diamonds including baguette and round brilliant-cut diamonds; approx: 5.50 ct tw., color: H-I, clarity: VS2 -

Van Clief Gold, Platinum and Diamond Brooch 18 kt., 101 round and 9 single-cut diamonds ap. 5.25 cts., signed Van Clief, ap. 17.7 dwts. C

PLATINUM AND DIAMOND BROOCH Composed of round cut diamonds, weighing approximately 5.00 cts., Length 2 1/2 inches, Weight 9.3 dwt.

Platinum and Diamond Brooch One old European-cut diamond ap. .50 ct., old European and single-cut diamonds ap. 2.00 cts., ap. 5.8 dwts. With box. C

Platinum ring set with a 1.15 carbachol cut sapphire and 2 baguette cut diamonds .16 cts.t.w. Ring size 6.5.

Certified. Two emerald cut side diamonds approximately 1.20 cts TW. Approximately G-VS. Platinum. 5.3 dwts. Size 5-1/4. Includes certification papers.