diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index c90599e0d..ada4828ee 100644
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -10,6 +10,8 @@
 - Added support for creating & generating `ObjectId` when creating objects. ([#1291](https://github.com/realm/realm-studio/pull/1291))
 - Added support for editing existing `ObjectId` values. ([#1290](https://github.com/realm/realm-studio/pull/1290))
 - Primary keys in Class/Schema creation now defaults to an `ObjectId` property named `_id`.
+- Added support for creating `Decimal128` when creating objects. ([#1292](https://github.com/realm/realm-studio/pull/1292))
+- Added support for editing existing `Decimal128` values. ([#1292](https://github.com/realm/realm-studio/pull/1292))
 
 ### Fixed
 
diff --git a/src/ui/RealmBrowser/Content/CreateObjectDialog/CreateObjectDialog.scss b/src/ui/RealmBrowser/Content/CreateObjectDialog/CreateObjectDialog.scss
index a5a090dd9..09a831065 100644
--- a/src/ui/RealmBrowser/Content/CreateObjectDialog/CreateObjectDialog.scss
+++ b/src/ui/RealmBrowser/Content/CreateObjectDialog/CreateObjectDialog.scss
@@ -66,6 +66,7 @@
   }
 
   &__ObjectIdControl,
+  &__Decimal128Control,
   &__StringControl,
   &__DateControl,
   &__NummericControl {
diff --git a/src/ui/RealmBrowser/Content/CreateObjectDialog/index.tsx b/src/ui/RealmBrowser/Content/CreateObjectDialog/index.tsx
index 99b975304..01d9d04e3 100644
--- a/src/ui/RealmBrowser/Content/CreateObjectDialog/index.tsx
+++ b/src/ui/RealmBrowser/Content/CreateObjectDialog/index.tsx
@@ -18,7 +18,7 @@
 
 import React from 'react';
 import Realm from 'realm';
-import { ObjectId } from 'bson';
+import { ObjectId, Decimal128 } from 'bson';
 import { v4 as uuid } from 'uuid';
 
 import { CreateObjectHandler } from '..';
@@ -108,6 +108,8 @@ class CreateObjectDialogContainer extends React.PureComponent<
       property.type === 'double'
     ) {
       return 0;
+    } else if (property.type === 'decimal') {
+      return Decimal128.fromString('0');
     } else if (property.type === 'string') {
       return '';
     } else if (property.type === 'bool') {
diff --git a/src/ui/RealmBrowser/Content/CreateObjectDialog/types/Decimal128Control.tsx b/src/ui/RealmBrowser/Content/CreateObjectDialog/types/Decimal128Control.tsx
new file mode 100644
index 000000000..34878657b
--- /dev/null
+++ b/src/ui/RealmBrowser/Content/CreateObjectDialog/types/Decimal128Control.tsx
@@ -0,0 +1,87 @@
+////////////////////////////////////////////////////////////////////////////
+//
+// Copyright 2020 Realm Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+////////////////////////////////////////////////////////////////////////////
+
+import React from 'react';
+import { Decimal128 } from 'bson';
+import { Button, Input, InputGroup, InputGroupAddon } from 'reactstrap';
+
+import { IBaseControlProps } from './TypeControl';
+import { parseDecimal128 } from '../../../parsers';
+
+interface IDecimal128ControlState {
+  internalValue: string | null;
+}
+
+export class Decimal128Control extends React.PureComponent<
+  IBaseControlProps<Decimal128 | null>,
+  IDecimal128ControlState
+> {
+  state: IDecimal128ControlState = {
+    internalValue: this.props.value?.toString() ?? null,
+  };
+
+  render() {
+    const { children, property, value } = this.props;
+    const { internalValue } = this.state;
+
+    return (
+      <InputGroup className="CreateObjectDialog__Decimal128Control">
+        <Input
+          className="CreateObjectDialog__Decimal128Control__Input"
+          onChange={this.inputChangeEventHandler}
+          placeholder={value === null ? 'null' : ''}
+          value={internalValue ?? ''}
+          required={!property.optional}
+          invalid={(!!internalValue || !property.optional) && value === null}
+        />
+        {internalValue && property.optional && (
+          <InputGroupAddon addonType="append">
+            <Button size="sm" onClick={this.handleClearValue}>
+              <i className="fa fa-close" />
+            </Button>
+          </InputGroupAddon>
+        )}
+        {children}
+      </InputGroup>
+    );
+  }
+
+  private inputChangeEventHandler = (e: React.ChangeEvent<HTMLInputElement>) =>
+    this.changeHandler(e.target.value);
+
+  private handleClearValue = () => this.changeHandler(null);
+
+  private changeHandler = (value: string | null) => {
+    const { property, onChange } = this.props;
+
+    this.setState({ internalValue: value });
+
+    let parsedDecimal: Decimal128 | null = null;
+
+    if (value) {
+      try {
+        parsedDecimal = parseDecimal128(value, property);
+      } catch (err) {
+        // tslint:disable-next-line:no-console
+        console.warn(err.message);
+      }
+    }
+
+    onChange(parsedDecimal);
+  };
+}
diff --git a/src/ui/RealmBrowser/Content/CreateObjectDialog/types/TypeControl.tsx b/src/ui/RealmBrowser/Content/CreateObjectDialog/types/TypeControl.tsx
index ea13d9c65..440595372 100644
--- a/src/ui/RealmBrowser/Content/CreateObjectDialog/types/TypeControl.tsx
+++ b/src/ui/RealmBrowser/Content/CreateObjectDialog/types/TypeControl.tsx
@@ -24,13 +24,14 @@ import { IClassFocus } from '../../../focus';
 import { BooleanControl } from './BooleanControl';
 import { DataControl } from './DataControl';
 import { DateControl } from './DateControl';
+import { Decimal128Control } from './Decimal128Control';
 import { DefaultControl } from './DefaultControl';
 import { ListControl } from './ListControl';
 import { NummericControl } from './NummericControl';
 import { ObjectControl } from './ObjectControl';
 import { ObjectIdControl } from './ObjectIdControl';
 import { StringControl } from './StringControl';
-import { ObjectId } from 'bson';
+import { ObjectId, Decimal128 } from 'bson';
 
 export interface IBaseControlProps<ValueType = any> {
   children?: React.ReactNode;
@@ -92,6 +93,15 @@ export const TypeControl = ({
         onChange={onChange}
       />
     );
+  } else if (property.type === 'decimal') {
+    return (
+      <Decimal128Control
+        children={children}
+        property={property}
+        value={value as Decimal128 | null}
+        onChange={onChange}
+      />
+    );
   } else if (property.type === 'date') {
     return (
       <DateControl
diff --git a/src/ui/RealmBrowser/Content/Table/Cell.tsx b/src/ui/RealmBrowser/Content/Table/Cell.tsx
index 20bcf8394..df14a635e 100644
--- a/src/ui/RealmBrowser/Content/Table/Cell.tsx
+++ b/src/ui/RealmBrowser/Content/Table/Cell.tsx
@@ -60,6 +60,7 @@ const getCellContent = ({
     case 'int':
     case 'float':
     case 'double':
+    case 'decimal':
     case 'bool':
     case 'string':
     case 'date': {
diff --git a/src/ui/RealmBrowser/parsers.ts b/src/ui/RealmBrowser/parsers.ts
index 9f80200c2..8d12c767e 100644
--- a/src/ui/RealmBrowser/parsers.ts
+++ b/src/ui/RealmBrowser/parsers.ts
@@ -17,7 +17,7 @@
 ////////////////////////////////////////////////////////////////////////////
 
 import moment from 'moment';
-import { ObjectId } from 'bson';
+import { ObjectId, Decimal128 } from 'bson';
 
 export const parseObjectId = (
   value: string,
@@ -36,6 +36,22 @@ export const parseObjectId = (
   }
 };
 
+export const parseDecimal128 = (
+  value: string,
+  property: Realm.ObjectSchemaProperty,
+) => {
+  if (value === '' && property.optional) {
+    return null;
+  } else {
+    try {
+      // Note: thousand separators are not supported by Decimal128, so we can help out the user by converting ',' to '.'.
+      return Decimal128.fromString(value.replace(',', '.'));
+    } catch (err) {
+      throw new Error(`"${value}" is not a proper ${property.type}`);
+    }
+  }
+};
+
 export const parseNumber = (
   value: string,
   property: Realm.ObjectSchemaProperty,
@@ -104,12 +120,12 @@ export const parse = (value: string, property: Realm.ObjectSchemaProperty) => {
       return parseObjectId(value, property);
     case 'int':
     case 'float':
-    case 'double': {
+    case 'double':
       return parseNumber(value, property);
-    }
-    case 'bool': {
+    case 'decimal':
+      return parseDecimal128(value, property);
+    case 'bool':
       return parseBoolean(value, property);
-    }
     case 'date':
       return parseDate(value, property);
     case 'string':
diff --git a/src/ui/RealmBrowser/primitives.ts b/src/ui/RealmBrowser/primitives.ts
index ca039075f..5f27e3d24 100644
--- a/src/ui/RealmBrowser/primitives.ts
+++ b/src/ui/RealmBrowser/primitives.ts
@@ -17,10 +17,12 @@
 ////////////////////////////////////////////////////////////////////////////
 
 export const TYPES: string[] = [
+  'object id',
   'bool',
   'int',
   'float',
   'double',
+  'decimal',
   'string',
   'data',
   'date',