☉ Metal Type: 925 Sterling Silver ☉ Metal Stamp or Hallmark: .925 ☉ Metal Purity: 92.5% Sterling ☉ Pendant Length: 10mm(0.39 inch) ☉ Gemstone: Lab Created Blue Opal ☉Gemstone Creation Method: Lab Created ☉ Style: Lab Created Blue Opal Heart Solitaire Pendant ☉ Occasions: office, engagement, celebrations and parties. Charming lab created blue opal heart solitaire pendant necklace handcrafted in 925 sterling silver with a radiant opal centerpiece that shimmers in oceanic hues. Its minimalist vintage-style design exudes timeless romance and elegance. A perfect wholesale jewelry piece for retailers seeking dainty, high-demand sterling silver pendants.