Designer Solid 14K Gold Sterling Silver Yellow Citrine Diamond Heart Pendant. Pendant is in excellent condition, like new! Marked “925”, “14K”, and “JRTWO”. This Designer Solid 14K Gold Sterling Silver Yellow Citrine Diamond Heart Pendant is a stunning piece of jewelry that will add elegance to any outfit. The pendant features a heart-shaped citrine stone complimented with diamonds, set in a 14k yellow gold and sterling silver base metal. The pendant is perfect for any occasion, whether it’s a wedding, anniversary or simply a gift to yourself or loved one. Solid 925 Sterling Silver.