| 14K Yellow Gold - Prefferred over 18K due to higher strength. |
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| 14K White Gold - Prefferred over 18K due to higher strength and whiter alloy color, but contains higher nickel content. |
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| 18K Yellow Gold - Softer but more yellow in tone than 14K. A platinum prong setting is used for the center diamond, see below. |
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| 18K White Gold - Softer and not as white as 14K. May require occasional tightening. 14K or Platinum recommended. A platinum prong
setting is used for the center diamond, see below. |
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| Platinum - Strongest metal for jewelry and whiter in color than 14K white gold. |