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Sunday, January 27, 2008

Full Table Cuts With Blunt, Missing Or Broken Corners

(via Diamond Cuts in Historic Jewelry:1381-1910) Herbert Tillander writes:

The Great Cross of Francis I, of about 1540, contained five Table Cut diamonds, one Burgundian Point Cut and three faceted Gothic Roses. In 1988, Morel presented a wrong faceting design of the three drop-shaped gems: the quasi rond diamond alone was a Burgandian Point Cut whereas the drops, described as taillés en face—i.e flat-bottomed—can only have been Gothic, trihedrally faceted Rose Cuts. Bapst, writing in 1888, simply indicated that the diamonds were faceted. The 1559 Crown inventory gave the following description: ‘Une grande croix composée de neuf grands dyamans, c’est a scavoir cinq grandes tables faisant la croix au plus hault , au dessoubs ung dyaman quasi rond et trois aultres dyamans en larmes ou fers de lances taillés en face faisant le pied de la croix auquel pied pend une perle en poire.’ The Cross was pawned several times before disappearing completely.

The ‘Elephant with a Tower’ pendant is one of the central pieces in the Schatzkammer der Residenz, Munich. It dates from between 1557 and 1559, and was made in Munich, probably by Hans Reimer; it is 5.6 cm high. The jewel is still in the former Royal Collection, though no longer in its original state. The fine large Table Cut diamond has unfortunately been replaced by a cheap Blister pearl, the suberb ruby by a spinel, and the exquisite pearl which originally hung from the pendant has disappeared and not been replaced. It was possible to reproduce, from a portrait of Duchess Anne among the miniatures painted by Hans Mielich, the cut of the original diamond, which was found to be perfectly fashioned High Table, 22.3 x 15.9 mm in size, with a table facet of ideal size. The small diamonds which now fill the corners round the Blister pearl are eighteenth century Rose Cuts.

The sitter in the portrait of Christine of Lorraine, Grand Duchess of Tuscany, by Scipione Pulzone, 1590 (Museo degli Argenti, Palazoo Pitti, Florence) is wearing jewels worthy of the wife of the powerful and wealthy Medici Grand Duke Ferdinand I. In contrast to those of other contemporary Florentine princesses, the Duchess Christine’s larger diamonds are all High Table and Mirror Cuts. Some are square and others rectangular, but they are all appear to be very well proportioned.

A three-dimensional St George pendant, with both the front and the back worked in great detail, is the best known, and artistically the finest, of all the Renaissance pendants in the Grϋnes Gewölbe. Here, we shall concentrate on the diamonds in the pedestal. Either the master goldsmith could not find a perfect set of gems, or the jewel was made to order and the jeweler was given only a very limited selection of Table Cut diamonds to work with. The stones themselves are of three types: in the center, blending with red cabochons, are two oblong Table Cuts; next to these are two well-matched Mirror Cuts, one on either side; at the ends, placed vertically because they are smaller than the other stones, are two more Table Cuts. These may have been all the jeweler had at his disposal, but it is also possible that he chose them and positioned them deliberately because they marked so clearly the end of the pedestal while maintaining the height of the rest of the diamonds in the row.

As long as the settings remained clean and the underlying foiling still reflected the incident light, the pedestal formed a bright base for the rest of the jewel. The fact that the cuts were mixed was noticeable only on close examination and did not disturb the integrity of the jewel as a whole. Today, the light entering the jewel is not reflected back at the viewer and the table facets themselves appear disturbingly dark, even black.

Full Table Cuts With Blunt, Missing Or Broken Corners (continued)

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