Professional precision. Crystal statement design. Runway-ready results.
The Black Diamond 1" Crystal Flat Iron is a versatile styling essential selected by editorial hairstylist Tiffany Beach for sleek finishes, polished curls and detailed styling. Its slim 1-inch profile makes it easy to work close to the roots, smooth smaller sections and create refined, camera-ready detail.
Why You'll Love It
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Versatile 1-inch profile: designed for straightening, curling, soft bends and detailed finishing
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Precision styling: ideal for smaller sections, face-framing pieces and close-to-root work
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Silk-press friendly: suited to polished smoothing and finishing work
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Professional or at-home use: a statement tool for stylists and beauty lovers
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Three crystal finishes: Pink Crystal, AB Crystal and Crystal
Technical Details
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Plate width: 1 inch
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Temperature range: approximately 122–480°F (50–248°C)
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Temperature display: LCD digital display
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Heating system: MCH (Metal Ceramic Heater)
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Heat-up time: approximately 30 seconds
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Voltage: 110–240V dual voltage
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Safety: automatic shutoff after approximately 60 minutes of inactivity
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Display control: switchable Fahrenheit / Celsius temperature reading
Best For
Silk-press finishing, sleek styles, wigs, soft curls, bends, face-framing sections, refined roots and polished everyday styling.
Choose Your Finish
Select from Pink Crystal, AB Crystal or Crystal.
What’s Included
One Black Diamond 1" Crystal Flat Iron in your selected finish.
Shipping & Returns
- Orders are processed within 1–3 business days.
- Standard U.S. delivery is estimated at 2–6 days after processing.
- Free standard U.S. shipping on orders of $200 or more.
- Return requests may be made within 30 days of receiving your item, subject to the Runway Stylez return policy and eligibility requirements.
Want the Complete Smoothing Pair?
Upgrade to the Black Diamond Styling Duo and get the 1" Crystal Flat Iron plus the Crystal Hot Comb for $145 — a $20 savings compared with purchasing both separately at current prices.
Professional performance. Runway presence.
