A sterling silver padlock is paired with a dainty 10K rose gold key in this enchanting necklace for her. The pendant glides along an 18-inch box chain

Lock & Key Necklace 1/15 cttw Diamonds Sterling Silver & 10K Rose Gold 18

I Am Loved Diamond Heart Key Pendant Necklace

Lock & Key Necklace 1/15 cttw Diamonds Sterling Silver & 10K Rose Gold 18

Collection Double Heart Pendant Necklace

Lock & Key Necklace 1/15 cttw Diamonds Sterling Silver & 10K Rose Gold 18

Diamond Accent Heart-Top Key and Heart Lock Double Strand Necklace

Lock & Key Necklace 1/15 cttw Diamonds Sterling Silver & 10K Rose Gold 18

P3 Pompeii3 3 Carat (ctw) Diamond Cross Pendant Necklace

An ethereal oval-cut opal sits at the center of this beautiful necklace for her. Round-cut diamonds frame the center gemstone, and tapered baguette-cut diamonds trace the outer edge, giving the necklace a total diamond weight of 1/4 carat. The 10K rose gold pendant sways from an 18-inch cable chain and secures with a lobster clasp.

Lock & Key Necklace 1/15 cttw Diamonds Sterling Silver & 10K Rose Gold 18

Kay Outlet 1/4 ct tw Diamonds Opal Necklace

Lock & Key Necklace 1/15 cttw Diamonds Sterling Silver & 10K Rose Gold 18

Haus of Brilliance Matte Finish .925 Sterling Silver Diamond

Lock & Key Necklace 1/15 cttw Diamonds Sterling Silver & 10K Rose Gold 18

Opal Necklace 1/4 ct tw Diamonds 10K Rose Gold 18

Lock & Key Necklace 1/15 cttw Diamonds Sterling Silver & 10K Rose Gold 18

Zales Diamond Accent Heart Lock and Key Pendant

Lock & Key Necklace 1/15 cttw Diamonds Sterling Silver & 10K Rose Gold 18

Hallmark Diamonds Double Heart & Cross Necklace 1/8 ct tw

The key to her heart, this diamond pendant is a charming gift for any occasion. Fashioned in precious 10K rose gold, this whimsical look showcases an

Lock & Key Necklace 1/15 cttw Diamonds Sterling Silver & 10K Rose Gold 18

1/10 CT. T.W. Diamond Double Heart-Top Key Pendant in 10K Rose Gold