The phrase "more carven" suggests intricate, delicate, or finely crafted workmanship. Some synonyms that capture this essence include "chiseled," "engraved," "sculpted," "etched," and "carved." These words are often associated with artistry and attention to detail, and are commonly used to describe works of art, furniture, jewelry, and other decorative objects. Each word also brings its own unique connotations - for example, "sculpted" implies a three-dimensional quality, while "etched" suggests a more linear or graphic style. Using synonyms like these can help to elevate your writing and convey a sense of sophistication and refinement.