Which is better for everyday wear?

The Helzberg piece, based on what buyers report. Macy's reviewers describe chains breaking and gold tarnishing within a month, while the Helzberg listing shows no such complaints.

Which has the bigger diamond?

The Macy's pendant. Its single diamond is 1/5 ct., while the Helzberg diamonds are accents totaling under 1/10 ct.

Is the Macy's pendant worth the extra money?

Only near its low. At $340.75 it is a fair price for a 14K diamond pendant. Near $1,159 it is poor value for an I2, treated stone with reported tarnishing.

Which gold is better, 14K or 10K?

14K is 58.5% gold and 10K is 41.7%. 14K resists tarnish better and is worth more, but it is softer and scratches more easily.

The Helzberg pendant if the recipient likes blue stones, since it has no reported quality problems. The Macy's pendant if she wants a diamond and you can buy it on sale.

Do both come on an 18-inch chain?

Yes. Both are 18-inch pendant necklaces. The Macy's drop is about 3-3/5mm; the Helzberg pendant is 10mm wide.

Macy's Bezel-Set Diamond Pendant vs Helzberg London Blue Topaz Pendant

Buy the Macy's pendant if you want a diamond as the center stone and can buy it near its low of $340.75, seen on October 28. Buy the Helzberg pendant if you want a blue topaz center stone and warmer 10K yellow gold. The Macy's piece has swung from $340.75 to $1,159.00 since October 28, so its price matters more than the design.

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