Ancient Star
Natural diamonds and gemstonesFormed by nature over millions to billions of years. Diamonds, sapphires, emeralds and rubies, each carrying the earth's own fingerprint, transformed into heirlooms through our bespoke process.
Two Origins. One Standard.
Some masterpieces are written by nature. Others are written by human ingenuity. Choose either for any Ocera piece; both are held to the same standard.
Human Star
Lab-grown diamonds and gemstonesBorn through innovation and grown with scientific precision: diamonds, sapphires, emeralds and rubies identical in appearance and character to their natural counterparts.
The grading standard
| Collection | Color | Clarity | In practice |
|---|---|---|---|
| Ready-to-wear | G to H | SI1 to SI2 | Brilliant, radiant, eye-clean white light performance. |
| Premier lines and bespoke center stones | Selected with your concierge | VS and above | Every center stone is certified and eligible for the Lifetime Upgrade Policy. |
| High jewelry and on request | Selected with your concierge | VVS to flawless | Sourced directly for the piece. |
The cuts
Every shape is available in both origins, and every one can be set in any Ocera design.
Round
The brilliant: the most light, the most fire.
Oval
Elongates the hand, with brilliant fire.
Pear
Part round, part marquise: a teardrop.
Emerald
Step-cut planes, a hall of mirrors.
Marquise
Pointed ends, the largest face for its weight.
Cushion
Soft corners, an antique glow.
Princess
Square, sharp and brilliant.
Radiant
Cut corners with brilliant faceting.
Asscher
A square step cut with deep, concentric planes.
Heart
The most sentimental of shapes.
Choose your stone in the design studio.
Shape, carat, origin and metal, then refine the rest with your Design Concierge.
Open the design studio