Engraving of negligee on front pendant set with seed pearl and garnet, monogram 'MV' on back. Hallmarks necklace: eagle's head, French maker's mar...

Hallmarks: 750, Pt I. Set with one brilliant cut diamond of approx. 0.70 ct. (P / I-J) and 30 brilliant and single cut diamonds of approx. 0.70 ct...

Hallmarks: 750. In good condition. LxW: 2.7 x 3.1 cm. Weight: 1.89 grams.

Hallmarks: 750, Pt. Set with 3 old European and 22 single cut diamonds of approx. 1.30 ct. in total (SI / H-I-J) in a Pt 950 platinum setting. In ...

Hallmarks: Pt I. Set with 12 old, Swiss and single cut diamonds of approx. 0.50 ct. in total (SI-P / J-K). In good condition. Ring size: 15.5 mm /...

Hallmarks: 585. Set with 10 rose cut diamonds and a faceted natural sapphire of approx. 2.90 ct. (approx. 10.60 x 9.50 x 3.60 mm) in a white gold ...

Hallmarks: 750. In good condition. L: 46.5 cm. Weight: 4.17 grams.

Decorated with Saint Cecilia (patron saint of music and the blind) with a lyre, back with inscription "Aan den Heer F. De Backer, 1888 - 1913". Ha...

Hallmarks: 585, tax mark, unclear maker's mark. Set with 11 old and single cut diamonds of approx. 0.50 ct. in total (VS-SI / G-H) and 10 rose cut...

With inscription '35631'. Hallmarks: lion's head (Dutch gold mark, 1906 - 1953), 750, 18 kt. Set with 3 old and single cut diamonds of approx. 0.3...

Hallmarks: 585. Set with 2 old European and 10 single cut diamonds of approx. 1.00 ct. in total (P / H-I-J). In good condition. Ring size: 18.5 mm...

With monogram on the back and inscription 'VI' on the inside, front decorated with a repoussé in profile portrait of a lady with diamond. Hallmark...

Hallmarks: English hallmarks: XM (maker's mark, unknown), 950, anchor (assay mark Birmingham), Pt (content 900, Dutch assay mark). Set with a bril...

Hallmarks: 750. Set with 2 princess cut, 2 pear cut, 6 marquise cut and 64 brilliant cut diamonds of approx. 2.15 ct. in total (VS-SI / G-I). In g...

Set with 12 brilliant cut diamonds of approx. 1.30 ct. in total (VS / G-H) and an oval faceted presumably synthetic sapphire of approx. 2.50 ct. (...

Hallmarks: 585. Set with 54 brilliant cut diamonds of approx. 1.35 ct. in total (VVS-VS / F-G). In good condition. LxW: 2.0 x 0.8 cm. Weight: 8.29...

Hallmarks: 750. Set with one heart-cut diamond of approx. 0.50 ct. (VS2 / H) and 6 brilliant cut diamonds of approx. 0.56 ct. in total (VS2-SI1 / ...

Hallmarks: 750. Set with 26 tapered cut diamonds of approx. 1.12 ct. in total, 12 brilliant cut diamonds of approx. 0.60 ct. in total (VS / F-G) a...

Hallmarks: 750, T590. Set with 12 tapered baguette and 8 brilliant cut diamonds of approx. 0.60 ct. in total (SI / G) and a cabochon cut turquoise...

Hallmarks: 750, weight indication mark. Set with 57 brilliant cut diamonds of approx. 2.45 ct. in total (VVS / E-F). In good condition, repair to ...

Hallmarks: 14KT. Set with one emerald cut diamond of approx. 1.06 ct. (SI2 / Light Grey) and 6 brilliant cut diamonds of approx. 0.20 ct. in total...

Hallmarks: 750. Set with 81 brilliant cut diamonds of approx. 1.70 ct. in total (VS / F-G). In good condition. Ring size: 17.5 mm / 55 mm. Weight:...

Hallmarks: Pt I. Set with 24 brilliant cut diamonds of approx. 0.71 ct. in total (VS-SI-P / F-G-H) and an oval cut natural citrine of approx. 9.99...

Hallmarks: 750. Set with 54 brilliant cut diamonds of approx. 2.70 ct. in total (VS / G-H). In good condition. L: approx. 37.5 cm. Weight: 19.09 g...

Hallmarks: 750. Set with 103 brilliant cut diamonds of approx. 0.83 ct. in total (VS / F-G) and 18 cabochon cut natural emeralds of approx. 6.52 c...

Hallmarks: 585. Set with 5 brilliant cut diamonds of approx. 0.96 ct. in total (VS / F-G). In good condition. Ring size: 16.5 mm / 52 mm. Weight: ...

Hallmarks: 750. Set with 125 brilliant cut diamonds of approx. 8.75 ct. in total (VS-SI / G-H-I, some light yellow). In good condition. L: approx....

Hallmarks: 750. Set with 12 brilliant cut diamonds of approx. 0.66 ct. in total (VS-SI / G-H-I). In good condition. LxW: 2.2 x 0.4 cm. Weight: 3.9...

With double safety clips. Hallmarks: 750. Set with 3 brilliant cut diamonds and 93 single cut diamonds of approx. 2.10 ct. in total (various clari...

Hallmarks: 750. Set with 5 brilliant cut diamonds of approx. 1.10 ct. in total (VS / H-I). In good condition. Ring size: 16.5 mm / 52 mm. Weight: ...

Hallmarks: 750. Set with one central brilliant cut diamond of approx. 0.74 ct. (P2 / G) and 28 surrounding brilliant cut diamonds of approx. 0.20 ...

Cut: oval, mixed (faceted). Color: strong blue. Weight: 4.57 ct. (11.37 x 7.84 x 5.70 mm). No indications of heating. Certificate number (Dutch Ge...

Cut: square cushion shape, step cut. Color: Light Yellow. Weight: 14.65 ct. (13.61 x 13.23 x 7.72 mm). Certificate number: E19473.

Hallmarks: 750. Set with 25 brilliant cut diamonds of approx. 1.95 ct. (VS-SI / F). In very good condition. Ring size: 15.75 mm / 50 mm, Ø centerp...

With double safety clips. Hallmarks: 750. Set with 25 faceted natural sapphires of approx. 20.60 ct. in total (of approx. 4.65 x 3.95 mm to approx...

Hallmarks: 750. Set with 14 marquise, 15 baguette and 6 brilliant cut diamonds of approx. 3.62 ct. in total (VS / E-F). In good condition. Ring si...

With a heart-shaped openwork interior. Hallmarks: 750, au750. Set with 286 brilliant cut diamonds of approx. 7.10 ct. in total (VS / F-G). In good...

With a heart-shaped openwork interior and back. Hallmarks: 585. Set with 388 brilliant cut diamonds of approx. 3.90 ct. in total (VS-SI / F-G). In...

Hallmarks: eagle's head. Set with an old European (Old European Brilliant) cut diamond of approx. 2.50 ct. (VS / G, approx. 8.55 x 8.55 5.12 mm) a...

Hallmarks: au750. Set with an emerald cut natural emerald from Colombia of 4.28 ct. (10.22 x 9.35 x 6.88 mm) and 16 brilliant cut diamonds of appr...

Hallmarks: 750, 585 (Dutch hallmark). Set with a cushion cut garnet of approx. 2.61 ct. (approx. 9.46 x 7.07 x 4.55 mm), 10 marquise cut diamonds ...

Hallmarks: 750. Set with a faceted natural sapphire of approx. 2.98 ct. (approx. 11.00 x 8.15 x 4.15 mm) and 28 brilliant cut diamonds of approx. ...

Hallmarks: 750. Set with 16 brilliant cut diamonds of approx. 1.92 ct. in total (VS-SI / various color gradations). In very good condition. Ring s...

With double safety clip. Hallmarks: 750. Set with 30 brilliant cut diamonds of approx. 2.55 ct. in total (VS / F-G) and 24 natural sapphires of ap...

Hallmarks: 750, 105. Set with 7 brilliant cut diamonds of approx. 1.05 ct. in total (SI / G-H). In good condition. Ring size: 18.75 mm / 59 mm. We...

With safety clip. Hallmarks: 750. Set with 37 brilliant cut diamonds of approx. 2.86 ct. in total (VVS2-VS1 / F-H) and 32 marquise cut natural sap...

Clip is made of 18K. white gold. Hallmarks: Pt, 750. Set with 46 brilliant, baguette and single cut diamonds of approx. 1.92 ct. in total (VS-SI /...

Hallmarks: 585. Set with 104 brilliant cut diamonds of approx. 6.90 ct. in total (VS / F-H). In good condition. LxW: 18 x 0.8 cm. Weight: 24.8 gra...

Hallmarks: 750. Maker's mark: F. Regeer, Zwijndrecht, Netherlands, 1979 / h. Set with 22 brilliant cut diamonds and approx. 1.55 ct. in total (VS ...

Hallmarks: 750. Set with 39 brilliant cut diamonds of approx. 2.40 ct. in total (VS / F-G). In very good condition. LxW: 4.5 x 3.9 cm. Weight: 9.7...

With openwork inside. Hallmarks: 750, 18K. Set with 99 brilliant cut diamonds and 30 baguette cut diamonds of approx. 3.68 ct. in total (VS-SI / F...

Set with 2 brilliant cut diamonds of approx. 1.50 ct. in total (SI / J-K). Including purchase receipt from 1981 and valuation report from 1982. In...

Hallmarks: 750. Set with 24 marquise and brilliant cut diamonds of approx. 1.50 ct. in total (VS / F-G-H). In good condition. Ring size: 17.75 mm ...

The pin is made of 18K. white gold. Hallmarks: 750, Pt II. Set with 55 brilliant cut diamonds of approx. 2.00 ct. in total (VVS-VS / G-H). In good...

Hallmarks: 750. Set with one oval cut diamond of approx. 0.62 ct. (VVS2-VS1 / G-H) and 26 brilliant cut diamonds of approx. 0.40 ct. in total (VS ...

Hallmarks: 750, JCK+. Maker's mark: J.C. Kok, Rotterdam, Netherlands, 1964 / 1989. Set with 20 brilliant cut diamonds of approx. 1.00 ct. in total...

Hallmarks: 750. Set with 50 brilliant cut diamonds of approx. 2.25 ct. in total (P / various color gradations). In good condition. L: 18 cm. Weigh...

Hallmarks: 750. Set with 205 brilliant cut diamonds of approx. 1.80 ct. in total (SI-P / F-G). In good condition, few diamonds with small chip. Ri...

Hallmarks: 750, maker's mark. Set with a pear mixed faceted cut natural tanzanite of approx. 6.45 ct. (approx. 13.4 x 9.8 x 8.2 mm) in a white gol...

Hallmarks: oak leaf. Set with an old European (Old European Brilliant) cut diamond of approx. 2.50 ct. (VS / K-L, approx. 8.30 x 8.30 x 5.43 mm) i...