18k Yellow Gold. Also available in 18k Rose Gold South Sea Pearls Necklace is adjustable with sliding ball

18K Yellow Gold 10-Layer Adjustable Tassel Necklace Tassel can be worn in the front or the back Length is adjustable: 15.0 Inches ~ 28.0 Inches Matching Earrings and Bracelet are available...

18K Yellow Gold Adjustable 2-Way Necklace Can be worn with the tassel in the front or back Necklace Length is adjustable: 24.0 Inches ~ 30.0 Inches 

18K Yellow Gold South Sea Pearl Necklace Unique Adjustable Magnetic Clasp Length is adjustable Also available in 18K Rose Gold

18K Yellow Gold South Sea Pearl Necklace Adjustable Magnetic Closing Free Size - Adjustable Also available in 18K Rose Gold

18k Gold Available in Yellow Gold and Rose Gold Flexible - Free-Size Can be worn as necklace or beacelet Adjustable with sliding ball chain Magnet clasp