diff --git a/packages/react-select/src/Creatable.js b/packages/react-select/src/Creatable.js
index a30069b30d..77dc362985 100644
--- a/packages/react-select/src/Creatable.js
+++ b/packages/react-select/src/Creatable.js
@@ -12,6 +12,15 @@ import Select, { type Props as SelectProps } from './Select';
 import type { OptionType, OptionsType, ValueType, ActionMeta } from './types';
 import { cleanValue } from './utils';
 import manageState from './stateManager';
+import {
+  getOptionValue as baseGetOptionValue,
+  getOptionLabel as baseGetOptionLabel,
+} from './builtins';
+
+type AccessorType = {|
+  getOptionValue: typeof baseGetOptionValue,
+  getOptionLabel: typeof baseGetOptionLabel,
+|};
 
 export type DefaultCreatableProps = {|
   /* Allow options to be created while the `isLoading` prop is true. Useful to
@@ -25,10 +34,11 @@ export type DefaultCreatableProps = {|
   formatCreateLabel: string => Node,
   /* Determines whether the "create new ..." option should be displayed based on
      the current input value, select value and options array. */
-  isValidNewOption: (string, OptionsType, OptionsType) => boolean,
+  isValidNewOption: (string, OptionsType, OptionsType, AccessorType) => boolean,
   /* Returns the data for the new option when it is created. Used to display the
      value, and is passed to `onChange`. */
   getNewOptionData: (string, Node) => OptionType,
+  ...AccessorType,
 |};
 export type CreatableProps = {
   ...DefaultCreatableProps,
@@ -48,10 +58,10 @@ export type CreatableProps = {
 
 export type Props = SelectProps & CreatableProps;
 
-const compareOption = (inputValue = '', option) => {
+const compareOption = (inputValue = '', option, accessors) => {
   const candidate = String(inputValue).toLowerCase();
-  const optionValue = String(option.value).toLowerCase();
-  const optionLabel = String(option.label).toLowerCase();
+  const optionValue = String(accessors.getOptionValue(option)).toLowerCase();
+  const optionLabel = String(accessors.getOptionLabel(option)).toLowerCase();
   return optionValue === candidate || optionLabel === candidate;
 };
 
@@ -60,18 +70,23 @@ const builtins = {
   isValidNewOption: (
     inputValue: string,
     selectValue: OptionsType,
-    selectOptions: OptionsType
+    selectOptions: OptionsType,
+    accessors: AccessorType
   ) =>
     !(
       !inputValue ||
-      selectValue.some(option => compareOption(inputValue, option)) ||
-      selectOptions.some(option => compareOption(inputValue, option))
+      selectValue.some(option =>
+        compareOption(inputValue, option, accessors)
+      ) ||
+      selectOptions.some(option => compareOption(inputValue, option, accessors))
     ),
   getNewOptionData: (inputValue: string, optionLabel: Node) => ({
     label: optionLabel,
     value: inputValue,
     __isNew__: true,
   }),
+  getOptionValue: baseGetOptionValue,
+  getOptionLabel: baseGetOptionLabel,
 };
 
 export const defaultProps: DefaultCreatableProps = {
@@ -109,10 +124,17 @@ export const makeCreatableSelect = <C: {}>(
         isLoading,
         isValidNewOption,
         value,
+        getOptionValue,
+        getOptionLabel,
       } = props;
       const options = props.options || [];
       let { newOption } = state;
-      if (isValidNewOption(inputValue, cleanValue(value), options)) {
+      if (
+        isValidNewOption(inputValue, cleanValue(value), options, {
+          getOptionValue,
+          getOptionLabel,
+        })
+      ) {
         newOption = getNewOptionData(inputValue, formatCreateLabel(inputValue));
       } else {
         newOption = undefined;
diff --git a/packages/react-select/src/__tests__/Creatable.test.js b/packages/react-select/src/__tests__/Creatable.test.js
index ce41c860f2..4c06ae2c8f 100644
--- a/packages/react-select/src/__tests__/Creatable.test.js
+++ b/packages/react-select/src/__tests__/Creatable.test.js
@@ -254,3 +254,51 @@ cases(
     },
   }
 );
+
+const CUSTOM_OPTIONS = [
+  { key: 'testa', title: 'Test A' },
+  { key: 'testb', title: 'Test B' },
+  { key: 'testc', title: 'Test C' },
+  { key: 'testd', title: 'Test D' },
+];
+
+cases(
+  'compareOption() method',
+  ({ props = { options: CUSTOM_OPTIONS } }) => {
+    props = { ...BASIC_PROPS, ...props };
+
+    const getOptionLabel = ({ title }) => title;
+    const getOptionValue = ({ key }) => key;
+
+    const { container, rerender } = render(
+      <Creatable
+        menuIsOpen
+        getOptionLabel={getOptionLabel}
+        getOptionValue={getOptionValue}
+        {...props}
+      />
+    );
+
+    rerender(
+      <Creatable
+        menuIsOpen
+        getOptionLabel={getOptionLabel}
+        getOptionValue={getOptionValue}
+        inputValue="testc"
+        {...props}
+      />
+    );
+    expect(container.querySelector('.react-select__menu').textContent).toEqual(
+      'Test C'
+    );
+  },
+  {
+    'single select > should handle options with custom structure': {},
+    'single select > should handle options with custom structure': {
+      props: {
+        isMulti: true,
+        options: CUSTOM_OPTIONS,
+      },
+    },
+  }
+);