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Bob Rollers Calista Rose Gold Cuff Bracelet Black Ceramic

Bob Rollers Calista Rose Gold Cuff Bracelet Black Ceramic

$131.99 USD
$144.99 USD $131.99 USD
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COLOR — Rose Gold
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Bold yet polished, the Bob Rollers Calista Rose Gold Cuff Bracelet Black Ceramic takes its cue from the sculptural rhythm of rolling forms — smooth ceramic and metal volumes that catch the light as the body moves, pairing clean geometry with a modern, confident silhouette.

Made from GR4 jewelry-grade titanium steel — the high-toughness tier of our five-grade system, built for structured pieces that keep their shape. It carries the look and the weight of fine jewellery without the heft, never rusts, and it contains no copper and no allergenic heavy metals, so it will never turn your skin green. Finished with 0.4 µm PVD thick gold plating, so it keeps its colour instead of fading or oxidising.

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Product Highlights

  • GR3 jewelry-grade titanium steel — the balanced grade — everyday pieces that keep their shape
  • Black ceramic inlay
  • Precision atelier craftsmanship — 3D modelling and high polish for a weighty, flawless feel
  • 0.4 µm PVD thick gold plating — keeps its colour, never fades or oxidises
  • Industrial-gear architecture — bold structure and moving parts, designed for self-expression
  • Waterproof, sweat-proof, copper-free and hypoallergenic — made for daily wear

Loyalty Program

Join LOTTEDS Rewards free: earn 1 point per $1 spent, and every 100 points becomes $1 off.

Shipping Policy

Free US shipping over $150, $7 below — each piece is quality-checked for 1–3 days, then arrives in 7–15 days.

Size Guide

Bracelets come in S/M/L (15–16 / 17–18 / 19–20 cm) — measure below the wrist bone; between sizes, take the larger.

SIZECMIN
S15–165.9–6.3
M17–186.7–7.1
L19–207.5–7.9
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LOTTEDS Bob Rollers Collection — Precision-engineered jewellery
The Precision Collection

Engineered to Move With You

Rolling gears, fluid mechanisms and architectural lines — the Bob Rollers Collection brings precision engineering to fine jewellery.

Rollers collection craftsmanship detail

Light Enough to Forget You're Wearing It

Solid titanium — the metal used in aircraft and medical implants — so a full band weighs about half what a silver one does and never rusts in sweat or seawater.

The gold is bonded into the metal three to five times thicker than typical plated jewellery, so it keeps its colour instead of fading or going dull. Open cuffs adjust one size up or down, so it fits right the first time.

"Precision is not cold — it is the highest form of elegance, engineered to move with you."LOTTEDS Bob Rollers Collection

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Design Highlights

Signature details, up close
Gear Ring — Machined Gear Motifs
01 · Gear Ring

Machined Gear Motifs

Two rows of engraved gear motifs that catch light from every angle — engineered, not ornamented.

 Marlo Band — Three-Tone High Polish
02 · Marlo Band

Three-Tone High Polish

A plain three-tone band with mirror polish — the clean foundation of every stack.

 Cordelia Bracelet — Single Row of lab-grown diamond
03 · Cordelia Bracelet

Single Row of lab-grown diamond

One flowing row of Lab-grown diamond across the band — minimal, brilliant, precise.

 Calista Ceramic Ring — Black Ceramic Statement
04 · Calista Ceramic Ring

Black Ceramic Statement

High-density black ceramic fused with jewelry-grade titanium steel — a bold matte contrast to polished gold.

Built Like a Fine Instrument

✦

GR2–GR6 Jewelry-Grade Titanium Steel

Our titanium steel is graded GR2 to GR6 — the same material family trusted for surgical instruments and aerospace parts, tuned here for jewelry. Each piece is matched to the grade its design and price call for.

❖

925 Sterling Silver

Solid 925 sterling silver, finished with heavy 0.3–0.5 micron PVD gold. Hard-wearing and colour-sealed, it resists tarnish and never turns black with daily wear.

◈

0.3–0.5 µm PVD Thick Gold Plating

Colour comes from PVD thick gold plating, not from the base metal — 0.3 to 0.5 micron, and the higher the number the longer it keeps its tone. 14K and 18K gold plating available on selected pieces.

See how our gold finish compares →

Bob Rollers Calista Rose Gold Cuff Bracelet Black Ceramic

Bob Rollers Calista Rose Gold Cuff Bracelet Black Cer...

$131.99 $144.99

Still unsure about sizing? Add your measurement in the order note — we confirm the size with you before shipping. See the size guide →

Questions, Answered

Everything you need to know
Will it tarnish, fade or turn my skin green?
No — the colour is sealed in with 0.3–0.5 micron PVD thick gold plating over a solid metal core, so it resists fading, oxidation and any green mark on the skin. Store it in the pouch and keep perfume, lotions and chlorinated water off it, and it keeps its colour for years.
Is it safe for sensitive skin?
Yes. Our pieces are made from jewelry-grade titanium steel graded GR2 to GR6, plus solid 925 sterling silver on selected designs — no copper, no lead, no cadmium and nothing that commonly triggers a reaction. Titanium steel is the same material family used for surgical instruments and medical implants, so safety is not the question; the grades simply tell you how tough and corrosion-resistant each piece is.
Are the stones real?
Our centre stones are lab-grown diamonds and lab-grown gemstones; named stones such as malachite, mother-of-pearl and turquoise keep their own character. All accent stones are Lab-grown diamond at VVS clarity — the same fire as mined stones, without the mining.
What if it doesn't fit or I change my mind?
You have 30 days to return it for a full refund — no questions asked. We also offer a 2-year defect warranty and free resizing advice by email.

Discover Your Collection

Free US shipping over $150 · 30-day returns · 2-year warranty on every piece

Shipping PolicyExplore the Collection
First order? Get 12% off when you join the LOTTEDS Circle

Four Lines, One Precision

Gear sub-collection

Gear

Mechanical cog motifs

Marlo sub-collection

Marlo

Minimal architectural bands

Cordelia sub-collection

Cordelia

Fluid sculptural curves

Calista sub-collection

Calista

Ceramic-inlaid statement

30-Day ReturnsUS returns · no questions asked
2-Year Warranty + Lifetime CareDefect cover & care advice included
Free US Shipping Over $150No duties on US orders
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How to Style

Wear it your way
Engineered Stack

Engineered Stack

Combine Gear with a plain Marlo band — the contrast between mechanism and polish is the look.

— Mix & match
The Collector's Edge

The Collector's Edge

Wear the Cordelia bracelet alone on one wrist and layer fine chains on the other. Precision, made personal.

— Architectural lines

Complete the Look

Gear Ring Gear Ring Marlo Band Marlo Band Cordelia Curve Cordelia Curve Calista Ceramic Calista Ceramic
Setting a stone by hand in our atelier

Made by hand in our atelier

Designer-led, hand-finished

Every piece is drawn by our design team and finished by hand in a small atelier: stones set one by one, edges polished until the light moves the way it should.
    Inside the atelier