RH Segment net revenues for the three months ended October 31, 2020 was driven primarily by a strong increase in customer demand for our products during the three months ended October 31, 2020. The growth in revenue was lower than the growth in customer demand for our products during the three month period primarily due to the effects of increased demand on our supply chain. It may take several quarters for inventory receipts and manufacturing to catch up to the increase in customer demand.
Waterworks net revenues
Waterworks net revenues decreased $0.9 million, or 2.9%, to $31.2 million in the three months ended October 31, 2020 compared to $32.1 million in the three months ended November 2, 2019 primarily due to construction delays, which negatively impacted demand, as well as temporary showroom COVID-19 related closures.
Gross profit
Consolidated gross profit increased $124.2 million, or 43.7%, to $408.3 million in the three months ended October 31, 2020 compared to $284.2 million in the three months ended November 2, 2019. As a percentage of net revenues, consolidated gross margin increased 6.5% to 48.4% of net revenues in the three months ended October 31, 2020 from 41.9% of net revenues in the three months ended November 2, 2019.
RH Segment gross profit
RH Segment gross profit increased $124.0 million, or 45.8%, to $394.7 million in the three months ended October 31, 2020 from $270.7 million in the three months ended November 2, 2019. As a percentage of net revenues, RH Segment gross margin increased 6.7% to 48.6% of net revenues in the three months ended October 31, 2020 from 41.9% of net revenues in the three months ended November 2, 2019.
RH Segment gross profit for the three months ended October 31, 2020 was negatively impacted by $0.8 million related to product recalls and RH Segment gross profit for the three months ended November 2, 2019 was favorably impacted by $1.8 million related to reserve adjustments associated with product recalls initiated in prior years.
Excluding the product recall adjustments mentioned above, RH Segment gross margin would have increased 6.9% to 48.6% of net revenues in the three months ended October 31, 2020 from 41.7% of net revenues in the three months ended November 2, 2019. The increase was primarily driven by price increases and product mix, as well as higher product margins in select categories in our Core business. Additionally, we had lower Outlet promotional activity during the period and experienced leverage in our RH Segment occupancy costs.
Waterworks gross profit
Waterworks gross profit increased $0.2 million, or 1.5%, to $13.6 million in the three months ended October 31, 2020 from $13.4 million in the three months ended November 2, 2019. As a percentage of net revenues, Waterworks gross margin increased 1.9% to 43.7% of net revenues in the three months ended October 31, 2020 from 41.8% of net revenues in the three months ended November 2, 2019.
Selling, general and administrative expenses
Consolidated selling, general and administrative expenses increased $102.2 million, or 52.4%, to $297.1 million in the three months ended October 31, 2020 compared to $194.9 million in the three months ended November 2, 2019, primarily due to a non-cash compensation of $111.2 million related to an option grant made to Mr. Friedman in October 2020.
RH Segment selling, general and administrative expenses
RH Segment selling, general and administrative expenses increased $103.4 million, or 56.7%, to $285.7 million in the three months ended October 31, 2020 compared $182.3 million in the three months ended November 2, 2019.