Description
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Diamond and sapphire ring. Of oval form, the centre claw-set with a brilliant-cut diamond weighing 0.35 carats, within a surround of radiating calibré-cut untreated natural sapphires, to an outer border of brilliant-cut diamonds. The sapphires in this ring have been specially cut to tessellate together to form a radiating oval shape. Cutting natural untreated sapphires in this way is an extremely time consuming and expensive technique, especially as it would waste significant amounts of high-quality material. Setting them seamlessly as in the present ring, with no claws or collets visible between the stone, was a technique pioneered by some of the elite French jewellery houses of the early 20th century, particularly Van Cleef & Arpels, and would have required the skills of a master craftsman.
| Place Of Origin |
France |
| Stone Type |
Sapphires: Approx. 1.10 carats total (calculated)
Accompanied by GCS report no. 79232-23; stating that the sapphires are natural, with no indications of heat treatment
Central diamond: 0.35 carat (calculated)
Other diamonds: Approx. 0.50 carats total
|
Stone Dimensions
|
Height of setting: 8.5mm
Dimensions of setting at front: 21mm x 14mm |
| Metal Type |
18 carat yellow and white gold
|
| Marks |
French assay mark (eagle’s head)
Partial French maker’s mark with Fleur de Lis and initial 'G' |
| Date Of Manufacture |
1955 - 1965
|
| Period Of Manufacture |
20th Century |
| Condition |
Very good |
| Signs Of Wear |
Very minor wear to mount commensurate with age
|
| Band Size |
UK O 1/2 / US 7.5 (complimentary re-size available)
|
| Weight |
5.42 grams (gross)
|
