THE HARDEST SHAPE TO MATCH
A pear is the least forgiving outline in diamond cutting. It has to be symmetrical along one axis only, which means every deviation — a shoulder slightly fuller on one side, a point a fraction off centre — reads immediately to the eye. Cutters reject a high proportion of pear rough for exactly this reason.
The Keira asks for twenty of them, matched. Twenty pear-cut diamonds, 5.50 × 3.50 mm, run the full circumference of the band at 4.98 carats in total. Every point has to sit on the same line as the one before it, or the band reads as a series of stones rather than a single continuous form.
THE SETTING
Each stone is held in its own collet — a metal collar cut to that diamond's outline rather than a shared channel or a row of prongs folded over the edges. On a pear this is considerably harder than on a round: the collar has to follow a curve that tightens to a point, and the point is the most vulnerable part of the stone. Cut the seat a fraction wide and the tip sits proud; cut it tight and the stone is under stress.
Set correctly, the collet holds each diamond independently and leaves the girdle open, so light enters from the side as well as from above.
SPECIFICATIONS
Diamonds — 20 pear cut, 5.50 × 3.50 mm, 0.249 ct each. 4.98 ct total.
Certification — every diamond of 0.20 ct and above ships with its certificate: GIA for natural, IGI for lab-grown.
Setting — Collet, one per stone.
Metal — 14K or 18K gold, in yellow, white or rose. 5.10 g at 14K, 6.00 g at 18K.
Diamond origin — natural or lab-grown, to preference.
Made to order. Two to three weeks from order to dispatch.
Because the diamonds encircle the entire band, an eternity ring cannot be resized once it has been produced. Please size carefully before ordering.
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