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    A yellow gold ring with five round black stones rests on a light gray background.
    A silver ring with a gently pointed band and five black stones is centered on pale gray.
    An angled yellow gold ring reveals its slim band and raised settings for five black stones.
    The silver ring stands at an angle with its open interior and black stone settings visible.
    Three round black stones sit in polished yellow gold prongs along the pointed front of the ring.
    A close view shows the central black stone and the surrounding polished silver prongs.
    A close view of the inner yellow gold band reveals a small 925 stamp.
    A woman with short curls wears a yellow gold ring with five black stones beside a ceramic cup at an outdoor cafe.
    A silver ring with five black stones is worn on a woman's hand resting on a weathered wooden bench beside the sea.

    A yellow gold ring with five round black stones rests on a light gray background.

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    Circlet

    Focus Circlet Black Spinel Ring

    $89.00
    Focus Black spinel Daily ritual
    Choose your Metal finish

    Metal finish: 18kt Yellow Gold Vermeil

    Choose your SizeSize guide

    Size: 5

    Usually ships in 0–3 business days · tracking sent by email

    1
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    Quality & details
    A slim ring with a round brilliant black spinel of about 1.5 millimeters, in 18kt yellow gold vermeil or 925 sterling silver, sizes 5 to 10.
    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.

    Read shipping policy Read return policy

    Modern Energy Lab · Material files

    Materials in this piece

    Natural stones

    Black Spinel

    Black Spinel
    • Dark luster
    • Faceted contrast
    • Personal meaning

    Representative material visualization · Appearance may vary

    Black spinel brings a deep, reflective tone to jewelry. Its surface can read glossy or graphite as the light moves across the cut and setting.

    In this piece: a round brilliant black spinel, about 1.5 millimeters, set in the ring.

    What does black spinel look like?

    Black spinel has a dark surface with reflective facets or a smooth polish, depending on the cut.

    What is black spinel traditionally associated with?

    In jewelry traditions, black spinel is associated with focus and considered personal style. These are cultural meanings, not promises.

    How should I care for black spinel jewelry?

    Keep finished jewelry away from hard impacts, harsh chemicals and abrasive cleaners. Wipe it with a soft cloth after wear.

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    Crafted materials

    Sterling Silver

    Sterling Silver
    • 925 silver
    • Silver alloy
    • Gentle care

    Representative material visualization · Appearance may vary

    Sterling silver is a silver alloy used in jewelry. Its bright, cool-toned surface can develop a natural patina with wear and exposure. The visible finish may also be plated, so always check the metal option for the individual piece.

    In this piece: 925 sterling silver, or 18kt gold vermeil over sterling silver, for the ring setting and band.

    Is sterling silver the same as a silver-colored finish?

    No. A silver-colored appearance alone does not establish metal content. Use the product's confirmed material specification; never identify sterling silver from its color or a reference photograph.

    Can sterling silver have a gold-colored finish?

    Yes. A gold layer can be applied over a sterling-silver base. In a vermeil option, the base metal and surface finish should both be stated; it must not be described as solid gold.

    How should I care for the finish?

    Store jewelry dry and separately, avoid cosmetics and household chemicals, and use a soft cloth. Follow the product's own care instructions before using silver cleaner, especially when stones, thread or gold plating are present.

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    Crystal meanings are shared as traditional symbolism for personal reflection. They are not medical, financial, or professional advice, and they do not guarantee an outcome.
    Free U.S. shipping Ships in 0–3 business days Tracking sent by email 45-day return window Damage & order support Secure checkout
    A woman with short curls wears a yellow gold ring with five black stones beside a ceramic cup at an outdoor cafe.
    Circlet round black spinel ring

    Dark, even and clear

    A round black spinel set in a slim circlet

    A round brilliant black spinel of about 1.5 millimeters in a slim ring setting.

    Circlet sets a round brilliant black spinel of about 1.5 millimeters at the front of a slim ring. Black spinel has a deep, even tone that reads as a clean dark point on the finger, and the brilliant cut gives it small, steady flashes whenever the hand moves.

    The circlet setting holds the stone close and keeps the line simple, so the black spinel stays the clear focus. The total stone weight is about 0.31 carats, a size that suits a single, quiet accent.

    Circlet is a pre-order piece, made after you order. It stacks easily with other rings and looks neat with tailored clothes, dark knitwear and everyday outfits.

    An angled yellow gold ring reveals its slim band and raised settings for five black stones.
    Circlet ring worn on the hand

    Slim and steady

    A slim ring that sits quietly on the finger

    About 2.40 grams of metal in a slim ring that works alone or stacked.

    The ring weighs about 2.40 grams, so it feels light on the finger and sits quietly beside other bands. The slim profile keeps the ring comfortable through a long day of typing, cooking and carrying bags.

    Yellow gold vermeil frames the black spinel with a warm golden tone, while sterling silver gives a sharp, cool edge that suits silver jewelry and dark clothing. Both finishes keep the stone looking clean and focused.

    The meaning of focus

    Black spinel is often associated with focus and resilience, the steady concentration that helps a person stay on course when a day gets busy. Its dark, even tone has long been linked with a calm, grounded mind, so Circlet suits anyone who values clear attention. The meaning is yours to choose, and the ring makes no promise of a particular result.

    Some people give a black spinel ring to a friend who is working toward a long-term goal. Others wear one as a small, private reminder to return their attention to the task in front of them.

    Choosing your size

    Sizes run from 5 to 10. 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 band is slim, check that it fits snugly enough to stay in place when your hands are warm or cold. If you are between sizes, choose the one that moves over the knuckle with a little resistance.

    Caring for the spinel and finish

    Black spinel is durable, but a hard knock can still chip a stone, and lotion, perfume and chlorine can dull 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 stone and the finish, so the dark center keeps its clean shine.

    Find your metal tone

    Two finishes with the same black spinel ring. Choose yellow gold vermeil for warmth or sterling silver for a cool, sharp line.

    Yellow gold vermeil

    Warm 18kt yellow gold vermeil over sterling silver that frames the dark black spinel in a golden tone.

    A yellow gold ring with five round black stones rests on a light gray background.
    Yellow gold vermeil · complete ring
    An angled yellow gold ring reveals its slim band and raised settings for five black stones.
    Yellow gold vermeil · angled profile
    Three round black stones sit in polished yellow gold prongs along the pointed front of the ring.
    Yellow gold vermeil · black stone settings
    A close view of the inner yellow gold band reveals a small 925 stamp.
    Yellow gold vermeil · inner band detail
    A woman with short curls wears a yellow gold ring with five black stones beside a ceramic cup at an outdoor cafe.
    Yellow gold vermeil · shown on hand at cafe

    Sterling silver

    Sharp 925 sterling silver that sets off the depth of the black spinel with a crisp edge.

    A silver ring with a gently pointed band and five black stones is centered on pale gray.
    Sterling silver · complete ring
    The silver ring stands at an angle with its open interior and black stone settings visible.
    Sterling silver · side view
    A close view shows the central black stone and the surrounding polished silver prongs.
    Sterling silver · center stone close-up
    A silver ring with five black stones is worn on a woman's hand resting on a weathered wooden bench beside the sea.
    Sterling silver · shown on hand by the sea

    Size & materials

    Main stone
    Round brilliant black spinel, about 1.5 mm
    Stone weight
    About 0.31 ct
    Stone cut
    Round brilliant
    Metal options
    18kt yellow gold vermeil; 925 sterling silver
    Metal weight
    About 2.40 g
    Ring sizes
    5, 6, 7, 8, 9, 10
    Included
    One ring in your selected finish and size

    Frequently asked questions

    Is the black spinel natural?

    Yes. Black spinel is a natural gemstone listed in our material library, and it has a deep, even dark tone.

    Is this ring in stock now?

    This is a pre-order piece. It is made after you order, so it ships later than in-stock pieces. Check the delivery estimate shown at checkout.

    What ring sizes are available?

    Sizes 5 through 10 are available. Measure your finger before you order.

    Are the finishes solid gold?

    No. The gold finish is 18kt yellow gold vermeil over sterling silver, a thin gold layer rather than solid gold.

    Does the ring promise any effect?

    No. Black spinel 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 metal and the finish.

    Can I stack it with other rings?

    Yes. The slim band stacks easily with other rings, and the single stone sits neatly on the hand.

    How should I clean it?

    Wipe gently with a soft dry cloth. Avoid harsh polishes and ultrasonic cleaners, which can loosen small stones and damage the finish.

    A yellow gold ring with five round black stones rests on a light gray background.
    Material Black spinel Selected option 18kt Yellow Gold Vermeil / 5