Hallmarks: 585 Dutch assay mark. In good condition, one rose cut diamond with light green tarnish. Diameter: 1 cm. Weight: 4.55 grams.

Set with 11 rose cut diamonds set in silver and an oval faceted ruby in rose gold. Hallmarks: 585 and 925 Dutch assay mark. In good condition. Rin...

In good condition. LxW: 0.7 x 0.7 cm. Weight: 0.85 grams.

In fair condition, tests as 14K. Ring size: 20.5 mm / 64.5 mm. Weight: 2.63 grams.

Set with two rose cut diamonds of approx. 3.3 x 2.4 mm. In good condition. LxW: 0.7 x 0.7 cm. Weight: 0.85 grams.

Set with floral stained quartz of approx. 19.50 x 13.60 x 3.70 mm. Hallmarks: 585 Dutch assay mark. In good condition. Ring size: 17.5 mm / 55 mm....

Set with two rose cut diamonds of Ø approx. 4.0 mm. In reasonable condition. LxW: 0.8 x 0.8 cm. Weight: 2.80 grams.

Set with old cut diamond with a diameter of approx. 2.60 mm (VS / H-I) and a natural sapphire. In good condition. Ring size: 17.25 mm / 54 mm. Wei...

Brooch tests as 14K, pin and safety chain are made of base metal. In reasonable condition. LxW: 4.0 x 1.5 cm. Weight: 4.26 grams.

Hallmarks: 750 Dutch assay mark, Au750 in lozenge, unknown maker's mark B R (Belgian?). In good condition. Ring size: 18 mm / 57 mm. Centerpiece: ...

Pendant tests as 14K, eyelet as 10K. In good condition with minor wear to the eyelet. LxW: 4.7 x 1.1 cm. Weight: 3.78 grams.

Set with 11 brilliant cut diamonds of approx. 0.33 ct. in total (SI / F-G) and a round faceted natural ruby of approx. 5.30 x 5.0 x 3.20 mm. Hallm...

In good condition. Hallmarks: 585 Dutch assay mark. LxW: 3.8 x 2.3 cm. Weight: 7.20 grams.

Set with a table cut heliotrope of approx. 7.7 x 7.4 mm. In good condition. Ring size: 16.75 mm / 53 mm. Centerpiece width: 1.5 cm. Weight: 4.21 g...

Hallmarks: 750 Dutch assay mark, unclear hallmarks. In good condition, tail slightly bent and light traces of use. LxW: 2.9 x 0.8 cm. Weight: 1.15...

Coral increasing in size. Diameter from 4.2 mm increasing to 10 mm. Hallmarks: 585 Dutch assay mark. Maker's mark: Drijfhout bijouterie fabriek Am...

Set with seven cabochon cut red corals of which Ø central red coral approx. 4.50 mm and oval cut red corals approx. 6.80 x 4.40 mm. Hallmarks: 585...

Hallmarks: 585 Dutch assay mark, maker's mark xxx. In good condition. L necklace: 44.5 cm and LxW pendant: 4.2 x 1.7 cm. Weight: 11.89 grams.

Pendant like a laurel wreath with seed pearl (diameter: 2.9 mm) and tiny rose cut diamonds. Hallmarks: 585 Dutch assay mark. In good condition. L:...

On Venetian necklace a round cut apple with a gold leaf. Hallmarks: 750 Dutch assay hallmark and Italian hallmarks. In good condition. Necklace le...

With twisted rope rim and filigree on the shin. Set with an oval red coral of approx. 17.80 x 12.80 mm. Hallmarks: 585 Dutch assay mark, unclear m...

With brisure. Hallmark: 750 Dutch assay mark. In good condition. L: 4 cm. Weight: 9.50 grams.

Set with five old cut diamonds of approx. 0.06 ct. in total (P / various colour gradations). In good condition. Hallmarks: crown (national hallmar...

Hallmarks: 585 Dutch assay mark. In good condition. Diameter: 1.3 cm. Weight: 4.2 grams.

Set with two old cut diamonds (Ø approx. 3 mm, VS1 / G-H) and a cultivated pearl (Ø approx. 3.4 mm). Hallmarks: 585 Dutch assay mark. In good cond...

Hallmarks: 750 Dutch assay mark, unclear hallmark. In reasonable condition, slight wear to connecting rings and signs of use. L necklace: 41 cm an...

Set with four old European cut diamonds of approx. 0.95 ct. in total (SI / G-I). In good condition, one diamond has a small chip. Hallmarks: 585 D...

Set with six cut simili, five of them as a rosette at the front and one stone at the back. In good condition. LxW: 3.8 x 2.9 cm. Weight: 2.47 gram...

Set with five faceted aquamarines of approx. 0.47 ct. in total (Ø approx. 2.6 - 4.0 mm). In fair condition, one aquamarine has a chip. Hallmarks: ...

Set with an oval cut emerald in yellow gold (treated, 5.84 x 4.10 x 2.22 mm) and surrounding 32 single cut diamonds of approx. 0.01 ct. (SI / I-J)...

Set with seven plaques of onyx measuring approx. 4.5 x 2.15 mm and seven round cultivated pearls with a diameter of approx. 6.5 mm. Hallmarks: 585...

Set with an old mine cut diamond (4.41 x 4.59 x 2.91 mm, SI / I-J) and a cultivated pearl with a diameter of approx. 4.8 mm. On either side a row ...

Hallmark: 585 Dutch assay mark. In fair condition. Ring size: 17.75 mm / 56 mm. Weight: 2.18 grams.

Set with three brilliant cut diamonds of approx. 0.37, 0.33 and 0.32 ct. (SI1 / N-O). In good condition. Ring size: 18 mm / 57 mm. Weight: 5.33 gr...

Bracelet is enamelled black all around with a floral representation with 16 seed pearls of various sizes. Hallmarks: 835 Dutch assay mark and Aust...

Set with seven cabochon cut opals and six marcasites. In fair condition, ring has been altered and one marcasite is missing. Getest als 940/000 si...

Set with an emerald cut natural emerald (treated) of approx. 1.34 ct. (8.70 x 5.70 x 3.98 mm) and 20 brilliant cut diamonds of approx. 0.60 ct. in...

Set with one cushion cut amethyst of approx. 6.15 ct. (12.30 x 12.48 x 8.45 mm). Hallmarks: 835 Dutch assay mark and letter V for foreign, tax mar...

BLA silver brooch with large gilt curls. In good condition. LxW: 7 x 5.8 cm. Weight: 34.08 grams.

Necklace set with a carved agate cameo of a woman's profile and dormeuses set with a composite cameo. Hallmarks necklace: weight indication mark, ...

Set with an oval faceted citrine of approx. 7.06 ct. (15.45 x 11.80 x 7.74 mm) In good condition. Silver tests as 925/000. Ring size: 17.75 mm / 5...

Set with nine old mine cut diamonds (Ø largest stone approx. 3.43 mm, SI1 / H-I) and set all around with red stones and rose cut diamonds, all set...

Hallmarks: 585 Dutch assay mark. In worn condition. Ring size: 18 mm / 57 mm. Weight: 1.92 grams.

In good condition. Hallmarks: 585 Dutch assay mark. Ring size: 16.5 mm / 52 mm. LxW centerpiece: 2.6 x 2.0 cm. Weight: 6.51 grams.

Hallmarks: 585 Dutch assay mark. Set with 11 cabochon cut red corals of approx. 2.00 ct. in total (approx. 11.1 x 7.3 mm and Ø approx. 2.8 mm). In...

Hallmarks: 800 Polish assay mark 1963 - 1986, Warsaw, maker's mark SK. In good condition. Ring size: 16.75 mm / 53 mm. Centerpiece: 1.6 x 1.1 cm. ...

In good condition. Ring size: 16.25 mm / 51 mm. LxW: 2.2 x 1.4 mm. Weight: 3.78 grams.

Carved gem with an owl and on the reverse a bird in an oval. Hallmarks: 585 Dutch assay mark. Set with one cabochon cut amethyst pf approx. 16.55 ...

Set with two old mine cut diamonds of approx. 0.18 ct. in total (SI1 / H-J), two synthetic rubies and rose cut diamonds in white gold. In good con...

Set with three cabochon cut opals (2 x approx. 5.10 mm and 1 x 5.65 mm). Opals show little fire. Hallmarks: 585 and 835 Dutch assay mark. In good ...

Set with one old mine cut diamond (4.29 x 4.21 x 2.91 mm, SI1 / I) in a ring of blue enamel. Hallmarks: 585 Dutch assay mark, inscription unreadab...

Hallmarks: 750 Dutch assay mark. 0750 in diamond, unclear maker's mark. Set with 19 rose cut diamonds in a white gold setting. In good condition, ...

Set with one step cut natural sapphire (approx. 6.05 x 4.80 x 2.92 mm) with 2 old mine cut diamonds on each side with a diameter of approx. 3.65 m...

Set with two single cut diamonds (0.02 ct.). In good condition, poussettes are yellow gold. Hallmarks: 750 Dutch hallmark. L x W: 1.6 x 1.7 cm. We...

Set with an old cut diamond with Ø approx. 4 mm (SI2 / I-J) and 10 rose cut diamonds in a platinum setting and Ø pearl approx. 4.6 mm. Hallmarks: ...

Supposedly made into a brooch, matching pendant also present in auction. In worn condition. Hallmarks: 925 Dutch assay mark sword (1814 - 1906), m...

Set with 16 rose cut diamonds on foil. In fair condition, diamonds need cleaning. LxW: 2.6 x 2.1 cm. Weight: 2.92 grams.

Supposedly made into pendant, matching brooch also present in auction. In worn condition. Maker's mark: Gerardus Johannes Huissen, Amsterdam, the ...

Set with 12 faceted natural garnets of approx. 7.65 ct. in total and 13 natural zircons of approx. 8.05 ct. in total. With safety chain link. In g...

Set with an emerald cut synthetic sapphire of approx. 9.84 x 8.05 x 5.17 mm with an old mine cut diamond of approx. 0.08 ct. on either side set in...