Hillsborough, N.J.-based decorative hardware manufacturer Top Knobs turned to the classic oval shape for its Sanctuary Collection Oval series. Oval knobs and slot knobs are available in three sizes with optional backplates. Top Knobs Oval thin pulls come in five sizes (including appliance pulls).

"We know that the most popular kind of diamond ring is oval-shaped because of its timeless beauty and pleasing aesthetic," said David Tyler, VP of marketing for Top Knobs.