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Black Agate Necklace (39 ct. t.w.) in 14k Gold Plated Silver

Prices as of September 26, 2026, as listed by each retailer — verify the current price on the retailer's site before purchase.

Price history tracked at Macy's price tracker

14-day low
$455.00
Sep 13 · Macy's
Best price
$650.00
−50% vs high
14-day high
$1,300
All stores
$1,300$878$455
Sep 13Sep 26
  • Macy's
Lowest in 14 days: $455.00 at Macy's. Highest: $1300.00. Current best is 50% below the 14-day high.

About this product

The EFFY Collection black agate necklace features faceted agate beads set in 14k gold-plated silver, creating a refined and elegant look. This beaded ball chain measures approximately 22 inches in length and secures with a lobster clasp for a reliable fit. The necklace is designed for everyday wear and includes a free in-store jewelry cleaning service at participating locations. Agate gemstones are naturally enhanced and require special care to maintain their appearance. All carat weights are approximate, with possible variance of up to 0.05 carat.

  • 39 ct. t.w. black agate
  • 14k gold-plated silver
  • 22" beaded ball chain
  • lobster clasp closure
  • treated gemstone care needed
  • everyday wear design

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Black Agate Necklace (39 ct. t.w.) in 14k — Price History