9CT YG, BT, Pink Tourm, Dia Pend HI/PK2 TDXW 0.03CT
9CT YG: 9-karat yellow gold (375 purity).
BT / Pink Tourm: A Pink Tourmaline gemstone. (The "BT" likely stands for a type of cut, shape, or refers to "Bi-colour Tourmaline", though it is primarily a pink stone).
Dia Pend: Diamond pendant.
HI/PK2: The diamond's quality grading. The color is H-I (near-colorless) and the clarity is P2 / I2 (noticeable inclusions visible to the naked eye). [\
TDXW 0.03CT: Total Diamond Weight is 0.03 carats.