What is the diamond for on a tape measure?

Asked By: Alexandra Wisozk
Date created: Wed, Jan 13, 2021 5:18 AM
Best answers
The black diamonds which appear every 19 3/16” on metal tape measures are for spacing I-beam “timbers.” Several wood-product manufacturers offer I-beam “timbers” as a substitute for solid lumber floor joists. The diamond marks on tape rule blades are for spacing these engineered floor joists in new construction.
Answered By: Rosella Johnston
Date created: Thu, Jan 14, 2021 7:21 AM

Diamond truss marks on tape measures

Diamond truss marks on tape measures
FAQ
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Lay the stone onto the dot with the flat side down. Through the pointed end of the diamond, look down onto the paper. If you see a circular reflection inside the gemstone, the stone is fake. If you cannot see the dot or a reflection in the stone, then the diamond is real.
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"The best way to clean diamond rings is to make a solution with warm water (almost hot) and dishwashing soap. Soak your ring for about 20 to 40 minutes, gently brush the stone with a very soft toothbrush, and then rinse under warm running water," advises Mann. "If needed, repeat."
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To use the table, first measure the diameter of your round diamond, and then find the value to the left that is closest to the diameter you've measured in millimeters; the value to the right is the approximate carat weight corresponding to a diamond of the respective size: 4.1 mm – 0.25 ct. 4.4 mm – 0.33 ct.
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If you see a circular reflection inside the gemstone, the stone is fake. If you cannot see the dot or a reflection in the stone, then the diamond is real. Because a true diamond has powerful refractive qualities, light will bounce in different directions instead of a straight line.
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The price of a 2 carat diamond can vary depending on its shape, cut quality, clarity, color and a range of other factors. On average, you can expect to pay anywhere from $5,000 to $60,000 or more for a 2 carat diamond.
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Calculating Diamond Price Per Carat

Diamond Carat WeightPrice (Per Carat, Round Brilliant Cut)
0.50 carat$1,220 – $5,800
1.0 carat$2,500 – $18,000
1.50 carat$3,400 – $24,000
2.0 carat$4,200 – $29,000
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How do you clean diamond earrings at home? ( Below explained)

  1. Place earrings in a bowl of warm water.
  2. Add unscented washing up liquid or soap.
  3. Mix them and move the earrings in the water - leave for up to 30 minutes.
  4. Rinse the earring and pat dry with a clean cloth.
  5. Use a children's toothbrush to remove any leftover residue.

What the black diamond on measuring tapes is really meant for and secrets of other household items

What the black diamond on measuring tapes is really meant for and secrets of other household items
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