Yellow gold vermeil
Warm 18kt yellow gold vermeil over sterling silver that frames the oval black onyx in gold.
An oval black onyx ring with a polished yellow gold vermeil bezel and band rests on a light grey surface.
1 / 9Keystone
Focus Keystone Black Onyx Ring
$99.00
Focus
Black onyx
Daily ritual
Quality & details
An oval flat-slice black onyx of about 13 by 10 millimeters and 4.75 carats, in 18kt yellow gold vermeil, 18kt rose gold vermeil or 925 sterling silver, sizes 4 to 11.
Shipping & returns
Orders normally ship within 0–3 business days. U.S. shipping is free, tracking is sent by email, and the estimated U.S. delivery time is 7–10 business days after dispatch. Eligible returns can be requested within 45 days of receipt; conditions and exclusions apply. International duties, when charged, are the customer's responsibility.
Dark and central
A flat oval black onyx set as the single center stone
An oval flat-slice black onyx of about 13 by 10 millimeters and 4.75 carats.
Keystone holds an oval flat-slice black onyx of about 13 by 10 millimeters at the center of the ring. The flat cut gives the stone a smooth, even face, so its dark tone reads as one calm surface that catches a soft gloss when the light moves across it.
The stone weighs about 4.75 carats, a generous size that makes a bold, grounded statement without crowding the hand. Black onyx is natural, so its tone and polish vary a little from one stone to another.
Keystone is a confident single-stone ring for everyday wear. Its dark face looks strong with black knitwear, tailored clothing and simple evening dresses.
Solid and settled
A ring with a sturdy setting for a large flat stone
About 3.60 grams of metal in a setting that holds the flat stone securely.
The ring weighs about 3.60 grams, a solid weight that suits a large stone. The setting holds the flat oval securely and keeps it level, so the dark face reads clearly from the front when the hand rests.
Yellow gold vermeil frames the black onyx with a warm golden edge, rose gold vermeil gives a soft blush, and sterling silver keeps the stone sharp and cool. Each finish suits a different style of clothing.
The meaning of focus
Black onyx is often associated with focus, strength and resilience, the steady inner resolve that helps a person keep their attention on what matters. A single dark stone set at the center suggests that same steadiness, so Keystone suits anyone who likes to hold a clear direction. The meaning is yours to choose, and the ring makes no promise of a particular result.
Some people give a black onyx ring to a friend who is working toward a long-term goal. Others wear one as a private reminder to stay steady when many things compete for their attention.
Choosing your size
Sizes run from 4 to 11. Measure a ring you already wear that fits well, or wrap a strip of paper around the base of the finger, mark the overlap and compare the length with a size chart.
Because the flat stone is large, check that the ring sits level when your hand is relaxed and does not rock. If you are between sizes, choose the one that moves over the knuckle with slight resistance.
Caring for the onyx and finish
Black onyx can chip under hard knocks, and lotion, perfume, heat and chlorine can dull the polish and the vermeil. Remove the ring before cleaning, gardening, swimming, exercise and sleep.
After wear, wipe the ring with a soft dry cloth and store it in a separate pouch. Keeping it apart from harder jewelry protects the smooth face and the finish, so the onyx keeps its even gloss.
Find your metal tone
Three finishes with the same oval black onyx ring. Choose yellow gold vermeil for warmth, rose gold vermeil for softness or sterling silver for a cool line.
Sterling silver
Cool 925 sterling silver that gives the flat black onyx a clean, sharp setting.
Rose gold vermeil
Soft 18kt rose gold vermeil over sterling silver that warms the dark stone with a gentle blush.
Size & materials
- Main stone
- Oval flat-slice black onyx, about 13 x 10 mm
- Cut
- Oval flat slice
- Stone weight
- About 4.75 ct
- Metal options
- 18kt yellow gold vermeil; 925 sterling silver; 18kt rose gold vermeil
- Metal weight
- About 3.60 g
- Ring sizes
- 4, 5, 6, 7, 8, 9, 10, 11
- Included
- One ring in your selected finish and size
Frequently asked questions
Is the black onyx natural?
Yes. Black onyx is a natural stone, and its color and polish can vary slightly from one piece to another.
What does the flat slice cut mean?
The stone is cut as a flat oval slice with a smooth face, which shows the black tone across the whole surface.
What ring sizes are available?
Sizes 4 through 11 are available. Measure your finger before you order.
Is this ring in stock now?
The ring is sold as a standard item. Check the product page for the delivery estimate shown there before you order.
Are the finishes solid gold?
No. Both gold options are 18kt gold vermeil over sterling silver, thin gold layers rather than solid gold.
Does the ring promise any effect?
No. Black onyx is often associated with focus and resilience, and those meanings are yours to choose. The ring makes no promise of a particular outcome.
Can I wear it in the shower or pool?
Please remove it before swimming, showering or exercise. Water, lotion and chlorine can dull the stone and the finish.
How should I clean it?
Wipe gently with a soft dry cloth. Avoid harsh polishes and ultrasonic cleaners, which can damage the smooth face and the finish.
Material
Black onyx
Selected option
18kt Yellow Gold Vermeil / 4