Diamond Ratchada Cool House Co., Ltd. is a Bangkok-based real estate developer specializing in residential condominium projects. The company is recognized for the development of Diamond Ratchada Cool House, a low-rise condominium in the Ratchadaphisek–Huai Khwang area. Its projects focus on urban convenience, accessibility, and practical residential living. The developer has contributed to Bangkok’s residential property market through boutique condominium developments.