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Lab-Grown White Sapphire Heart 18" Tennis Necklace (31-1/5 ct. t.w.) in Sterling Silver

Prices as of September 27, 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
$345.00
Sep 14 · Macy's
Best price
$575.00
−50% vs high
14-day high
$1,150
All stores
$1,150$748$345
Sep 14Sep 27
  • Macy's
Lowest in 14 days: $345.00 at Macy's. Highest: $1150.00. Current best is 50% below the 14-day high.

About this product

The Macy's lab-grown white sapphire heart tennis necklace features a delicate heart-shaped centerpiece set in sterling silver, measuring approximately 18 inches in length. This elegant necklace uses lab-grown white sapphires that are chemically, physically, and optically identical to natural stones, created through controlled mineral, heat, and pressure processes. The box lock clasp ensures secure wear, while the stones are known for minimal inclusions. Designed for everyday elegance, it offers a sustainable alternative to mined gemstones with comparable brilliance.

  • 18" length
  • sterling silver setting
  • lab-grown white sapphire
  • box lock clasp
  • 31-1/5 ct. t.w. total weight
  • no treatment required

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Lab-Grown White Sapphire Heart 18" Tennis — Price History