Hallmarks: 585 in oak leaf, mark J.H. van der Naaten, Edam, The Netherlands, 1969 / 1987. Red corals: approx. 5 - 6 mm. L: 39 cm. Weight: 85.78 gr...

Hallmarks: PT 950, Pt (assay mark), maker's mark (?). With 19 brilliant cut diamonds (1x approx. 0.77 ct. and 18x total approx. 0.75 ct.). Central...

Hallmarks: 750. LxW: 1.1 x 0.8 cm. Weight: 2.4 gram.

With white gold star-shaped details on the strap, with safety clip. Hallmarks: 750. Set with 3 brilliant cut diamonds of approx. 0.10 ct. in total...

With white gold star-shaped details on the chain. Hallmarks: 750, Uno A Erre. Maker's mark: 1 AR, UnoAErre, Arezzo, Italy. Set with 3 brilliant cu...

Hallmarks: 750, maker's mark (?). Set with one brilliant cut and 5 single cut diamonds (1x approx. 0.04 ct. and 5x approx. 0.01 ct.). Clarity: SI1...

With safety chain. Hallmarks: ZII, 835, weight indication mark. Set with 10 cabochon cut nephrite jade stones (10x Ø approx. 5.7 mm). L: 18.5 cm. ...

Hallmarks: 585. Set with a cabochon cut agate (approx. 20.0 x 16.3 mm). Ring size: 16.25 mm / 51 mm. Weight: 8.7 gram.

With two safety clips. Hallmarks: lion, Dutch guarantee stamp Gouda, O (date letter 1974). Maker's mark: E.J. Brinkert, Schoonhoven / Zwolle, The ...

Hallmarks: 750. Set with 5 rose cut diamonds (Ø 1x approx. 3.4 mm and 4x approx. 1.0 mm). Clarity: SI, color: G-I. Inscription on the inside. Ring...

With safety chain. Hallmarks: 750, rooster (Portuguese), maker's mark. Set with one old European cut diamond (approx. 0.04 ct.), 2 single cut diam...

Hallmarks: Pt I. Set with one transitional cut diamond of approx. 1.20 ct. Clarity: P2, color: K-L. Ring size: 15 mm / 47 mm. Weight: 2.03 gram.

Hallmarks: Constant, import mark, 585 in oak leaf. With a cabochon cut white precious opal (approx. 17.0 x 13.0 mm). Ring size: 17.75 mm / 55.5 mm...

Hallmarks: oak leaf. Ø Garnets: approx. 8.5 - 15 mm. L: 65 cm. Weight: 108.9 gram.

Hallmarks: 585 in oak leaf, 835 in sword. Maker's mark: presumably J.A. Rozendaal, C. & Aeyelts, Utrecht, The Netherlands, 1957 / 1966. Set with 7...

Hallmarks: 750, 585 (Dutch assay mark). Set with 18 brilliant cut diamonds (18x approx. 0.05 ct.) and an opal triplet (approx. 16 x 11 mm, moves s...

With double safety clip. Hallmarks: 585. Set with 8 single cut diamonds (8x approx. 0.03 ct.). Clarity: VS-SI, color: H-I. Ø Pearls: approx. 7 - 7...

With inscription: "Souvenir from Major Kay Smith C.W.A.C. as a gift from an African Sheik during the desert campaign 1942. 9 March 1946". The C.W....

With a young lady painted in crinoline on a butterfly wing. Hallmarks: silver A, Pat. 202213 (patent number), Z. Inscriptie 'Dec 9 1933'. L neckla...

Hallmarks: 585. Set with 12 rose cut diamonds (Ø approx. 3.0 mm) in a white gold setting and a cabochon cut turquoise (approx. 10.0 x 7.3 mm). Min...

Hallmarks: 585. With 50 rose cut diamonds (Ø approx. 1.4 - 4.0 mm). Ø Earrings: 1.7 cm. Weight: 11.06 gram.

Hallmarks: BOI, 585. Set with a cameo of a lady (approx. 16 x 12 mm) and 6 single cut diamonds of approx. 0.03 ct. in total. Ring size: 17.5 mm / ...

With a lady painted in crinoline on a butterfly wing. Hallmarks: Made in England, sterling silver, PT220213 (patent number), ZI. L necklace: 48 cm...

Hallmarks: crown (English gold mark), 375, panther head (London), date letter D (1978). Set with 3 cabochon cut precious opals (3x approx. 7.2 x 5...

Hallmarks: 585. Maker's mark: JKa. Ø Dark pearls: approx. 10 - 12 mm, Ø white pearls: approx. 8 - 8.5 mm. Including 6 extra white pearls. L: 44 cm...

Hallmarks: 14, illegible maker's mark, 585. Set with 24 cabochon cut opals (Ø approx. 2.4 - 3.5 mm). One opal replaced by seed pearl. Ring size: 1...

With safety clip. Hallmarks: 750, 0750, illegible mark. Maker's mark: four-leaf clover (possibly Alexander Sturm, Austria). Set with 9 single cut ...

Presumably Constantine the Great. Hallmarks: 750. Ø Earrings: 1,8 cm. Weight: 14.46 gram.

Maker's mark: S&A. Hallmarks: assay mark Sheffield, crown (English gold mark), 750, date letter G (1981). Set with 9 brilliant cut diamonds (1x ap...

Hallmarks: 585. Set with 18 old European cut diamonds of approx. 0.58 ct. in total and 5 faceted natural sapphires (Ø approx. 3.7 - 4.2 mm). Clari...

With safety clip. Hallmarks: 585 in oak leaf, xxx. Ø Red corals: approx. 5.0 - 5.5 mm. L: 34 cm. Weight: 52.91 gram.

Hallmarks: 833. Maker's mark: O. Goldstoff, Amsterdam, The Netherlands, 1953 / 1981. Set with 11 brilliant cut diamonds of approx. 0.35 ct. in tot...

LxW: 4.4 x 1.4 cm. Weight: 2.54 gram.

Hallmarks: 750. With a cabochon cut red coral (approx. 17.8 x 11.0 mm). Ring size: 17 mm / 53 mm. Weight: 4.81 gram.

With gold plated poussettes. Hallmarks: 585. LxW: 4.5 x 1.7 cm. Weight: 6.8 gram.

Hallmarks: Pt 950, Pt I (Dutch assay mark). Set with 4 brilliant cut diamonds of approx. 0.26 ct. in total and 12 rose cut diamonds. Clarity: SI, ...

Hallmarks: 14K, 585. Ø Red coral: approx. 7.5 - 8.0 mm. L: 74 cm. Weight: 48.8 gram.

Hallmarks: 585 (Dutch gold mark), 18K. Set with 8 faceted natural spinels (2x approx. 4.7 x 3.9 mm and 6x Ø approx. 2.2 mm). LxW: 3.5 x 1.0 cm. We...

Hallmarks: 585, ZI. Set with 24 rose cut diamonds (1x Ø approx. 6.3 x 5.6 mm, others Ø approx. 2.0 - 4.5 mm). LxW: 4.2 x 2.8 cm. Weight: 11.88 gra...

Hallmarks: oak leaf. LxW: 1.7 x 0.9 cm. Weight: 1.33 gram.

Hallmarks: 750. Set with 2 old mine cut diamonds of approx. 1.07 ct. (clarity: P, color: K-L, small chip on girdle) and approx. 1.14 ct. (clarity:...

Hallmarks: 14KT, 585, illegible maker's mark. Set with one old mine cut diamond of approx. 0.60 ct. and 4 pear cut natural sapphires. Clarity: SI,...

With safety clip. Hallmarks: 375. With 13 cabochon cut precious opals (1x Ø approx. 5.0 mm and 12x Ø approx. 3.5 mm). L: 41 cm. Weight: 6.33 gram.

Hallmarks: 0750, 750, four-leaf clover. Set with 32 brilliant cut diamonds of approx. 0.16 ct. in total and cabochon cut natural sapphire and rubi...

Set with 2 rose cut diamonds (2x approx. 4.4 x 4.6 mm). Both diamonds with chip. Ring size: 18.5 mm / 58 mm. Weight: 3.6 gram.

Hallmarks: 750. Maker's mark: 2575 AL, Alessandria, Italy. Ø Pearl: approx. 7.3 mm. LxW: 2.8 x 2.9 cm. Weight: 6.56 gram.

Hallmarks: 585, ZI. Set with 47 rose cut diamonds (1x approx. 6.15 x 5.8 mm and other Ø approx. 0.9 - 2.6 mm) in a silver setting. 2 small diamond...

Approx. 1880. Hallmarks: 833. Set with 19 old mine cut diamonds of approx. 1.15 ct. in total. Clarity: P, color: mixed color. Few diamonds with sm...

Hallmarks: 585. Pin is metal. Set with 4 faceted natural rubies (1x approx. 5.0 x 4.4 mm, 1x approx. 3.2 x 2.1 mm and 2x approx. 2.5 x 2.4 mm). Gl...

Hallmarks: 750, Citi Or, Switzerland (presumably). Set with 21 brilliant cut diamonds (1x approx. 0.10 ct. and other approx. 0.40 ct. in total) an...

Hallmarks: 585 in oak leaf. With a carved nephrite jade (approx. 18 x 13 mm). Ring size: 18.25 mm / 57 mm. Weight: 6.62 gram.

Hallmarks: 750. With a faceted sapphire and ruby ​​(2x approx. 3.5 x 2.5 mm). Light wear damage. LxW: 2.8 x 3.2 cm. Weight: 8.02 gram.

Hallmarks: 585. LxW: 7.4 x 1.3 cm. Weight: 4.66 gram.

Hallmarks: 750. Set with a brilliant cut and 8 single cut diamonds (1x approx. 0.10 ct., other approx. 0.08 ct. in total). Clarity: VS-SI, color: ...

Hallmarks: 22K, SD, 833 (assay mark). With 9 rose cut diamonds (1x approx. 5.5 x 4.9 mm, others approx. 3.8 - 4.8 mm). LxW: 3.2 x 1.3 cm. Weight: ...

Hallmarks: 585, ZI. With 12 rose cut diamonds (1x approx. 5.5 x 5.2 mm, others approx. 2.4 - 3.2 mm). LxW: 3.6 x 1.2 cm. Weight: 2.24 gram.

Hallmarks: 750, presumably French maker's mark. Set with 3 rose cut diamonds (Ø approx. 4.5 - 5.8 mm) in a white gold setting. Ring size: 18 mm / ...

With safety chain. Hallmarks: 585. With 5 faceted garnets (Ø approx. 3.5 - 6.0 mm) and 14 rose cut diamonds. Inner size: 6.0 x 4.9 cm. Weight: 16....

Hallmarks: 585 in oak leaf. Maker's mark: presumably J.M. van Gool, Amsterdam, The Netherlands, 1934 / 1973. Set with 2 rose cut diamonds (1x appr...

Hallmarks: 0750, 585 (Dutch assay mark). LxW: 3.6 x 2.6 cm. Weight: 8.31 gram.