Final answer:
The invalid class of insurance under California Law is 'certainty, precious metals, and gems.' Standard classes of insurance include life, health, car, and house insurance, among others.
Step-by-step explanation:
The question is regarding the classes of insurance that are recognized under California Insurance Law. Among the options provided, the incorrect one is: certainty, precious metals, and gems. These are not standard classes of insurance. Traditional classes typically include products like life insurance, health insurance, car insurance, house or renter's insurance, and more specialized forms such as boiler and machinery, or team and vehicle insurance. Payments made to insurance companies are known as premiums, and these help form risk groups who share similar risks related to their insurance policies. Insurance markets are regulated to ensure the financial safety and reliability of insurance providers.