7.63 Ct. Multi Color Cabochon Crystal Opal (Jelly Opal) from Australia

This freeform, translucent Crystal Opal, Jelly Opal, weighs 7.63 carat and measures 11.46 x 16.86 x 9.08 mm, presenting a high domed cabochon profile with an unusually thick pavilion for a freeform piece. The cutting style is cabochon, cut n a, with an excellent polish that preserves the soft, internal play of color common to Australian crystal opal. Clarity is graded very slightly included evaluated at eye level, and color intensity is light, which contributes to the gem s delicate jelly appearance and allows subtle blue and green flashes to be visible near the surface with changes in viewing angle. There is no enhancement, and the piece retains natural hydration and structural integrity typical of untreated opal. The combination of dimensions and dome height makes this piece particularly suitable where translucency and internal color depth must be showcased, as the 9.08 mm thickness functions as an optical chamber, enhancing depth of field for the play of color without requiring a faceted pavilion.

From a design engineering perspective this freeform cabochon lends itself to multiple custom settings, and The Natural Gemstone Company can advise on optimal mounting strategies. A full bezel with a hand formed seat will secure the stone and protect the high dome, while a low rim bezel or collet style will maximize face up area and allow more light transmission for stronger play of color. For more open presentations, a custom prong mount with a tailored seat that supports the broad girdle point and avoids stress at thin edges is recommended, with three or four low profile prongs to stabilize the freeform outline. The piece is also well suited for halo settings using micro pavé surrounds, or for artisan wire wrapped and inlay applications where the freeform profile can be embraced rather than forced into a strict geometric bezel. Practical care considerations for setting include using soft, wide seats to distribute pressure, avoiding ultrasonic or steam cleaning after setting, and orienting the stone so its strongest color patches face outward in the intended wearing position. For bespoke commissions and technical drawings specifying bezel wall height, seat relief, and prong placement, contact The Natural Gemstone Company for consultation and CAD assisted design to ensure the natural character of this Crystal Opal, Jelly Opal, is both protected and optimally displayed.