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This project develops a predictive model to estimate diamond prices based on characteristics like carat, cut, color, and clarity. It covers data preprocessing, feature engineering, model selection, training, and evaluation. The final product is a web app where users can input diamond attributes to get accurate and instant price predictions.

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Diamond Price Estimator

Diamond Image

Table of Contents


About

This project develops a predictive model for estimating diamond prices based on their characteristics such as carat, cut, color, and clarity. It includes data preprocessing, feature engineering, model selection, training, and evaluation, culminating in a web application for users to input diamond attributes and receive price predictions.

The application of this predictive model aims to democratize access to accurate pricing information, empowering stakeholders across the diamond industry to make informed decisions. Whether buying, selling, or managing inventory, users benefit from enhanced transparency and predictive insights, thereby driving efficiency and competitiveness within the market.


Dataset Description

The dataset utilized in this project encompasses comprehensive attributes of diamonds, crucial for predictive analysis and modeling. These attributes include:

Attribute Description
Carat Weight of the diamond
Cut Quality of the cut (categories range from Fair to Ideal)
Color Diamond color, graded from J (worst) to D (best)
Clarity Clarity rating, ranging from I1 (worst) to IF (best)
Dimensions Physical dimensions of the diamond represented by length (x), width (y), and depth (z) in mm
Depth Total depth percentage calculated as z / mean(x, y)
Table Width of the top of the diamond relative to the widest point
Price Price of the diamond in US dollars

This table summarizes the dataset attributes used in the project, providing a clear overview of each attribute's description and significance in the analysis of diamond pricing.


Impact

Accurate diamond price prediction aids buyers, sellers, and jewelers in making informed decisions. This model helps buyers find fair prices, assists sellers in setting competitive rates, and enables jewelers to manage inventory effectively.

Moreover, by leveraging data-driven insights, stakeholders can anticipate market trends and fluctuations, thereby optimizing their business strategies. This predictive capability fosters transparency and trust within the diamond industry, enhancing overall market efficiency and consumer satisfaction.



Model Development and Evaluation

In this section, we delve into the process of developing and evaluating the diamond price prediction model.

Model Selection

The project explores various machine learning models to determine the most suitable for predicting diamond prices. Models considered include:

  • Linear Regression: A baseline model that establishes a linear relationship between diamond attributes and price.

  • Random Forest: A more complex ensemble model that can capture nonlinear relationships and interactions between features.

The selection is based on metrics such as training time, prediction accuracy, and the ability to handle the dataset's complexity.


Feature Engineering

Feature engineering plays a crucial role in enhancing model performance by extracting meaningful insights from the diamond dataset. Key techniques applied include:

  • Normalization: Scaling numeric features like carat weight and dimensions to a standard range.

  • Encoding Categorical Variables: Transforming categorical variables such as cut quality and color grade into numerical representations suitable for modeling.

  • Feature Selection: Identifying and selecting the most relevant features that contribute significantly to price prediction.


Model Training

Once the model and features are selected, the next step involves training the model on the prepared dataset. The training process includes:

  • Splitting Data: Dividing the dataset into training and testing sets to evaluate model performance.

  • Training the Model: Using the training set to fit the chosen model on diamond attributes and their corresponding prices.

  • Hyperparameter Tuning: Optimizing model parameters to achieve better performance and generalization.


Model Evaluation

After training, the model's effectiveness is evaluated using various evaluation metrics, including:

  • Mean Absolute Error (MAE): Average absolute difference between predicted and actual diamond prices.

  • Root Mean Squared Error (RMSE): Square root of the average squared differences between predicted and actual prices, providing a measure of model accuracy.

  • R-squared (R^2): Indicates how well the model explains the variability in diamond prices.

These metrics help gauge the model's accuracy, reliability, and suitability for practical applications in the diamond industry.



Environment Setup and Usage

This repository provides a comprehensive machine learning project for diamond price prediction. Follow these steps to set up the environment and use the Diamond Price Estimator:

  • Clone the repository:

    git clone https://github.com/virajbhutada/Diamond-Price-Estimator
    cd Diamond-Price-Estimator
  • Create and activate a virtual environment:

    conda create -p venv python==3.8
    conda activate venv
  • Install necessary libraries:

    pip install -r requirements.txt
  • Run the application:

    python app.py
  • Access the prediction interface: Open your web browser and go to http://localhost:5000 to use the diamond price prediction form.

This streamlined approach ensures a smooth setup and usage process for the Diamond Price Estimator project, facilitating seamless interaction with the prediction model. Adjust commands and paths as necessary based on your specific environment and requirements.


Contributing

Clone Push Pull Issues


User Interface and Visualizations

Explore the intuitive user interface and detailed visualizations of the Diamond Price Estimator project, showcasing its functionality and usability.

Prediction Form Interface

This interface facilitates easy input of carat weight, cut quality, color grade, and clarity rating for precise price predictions. Designed for intuitive interaction, it features clear labels and responsive design, ensuring accessibility across devices and empowering informed decision-making.

Form Interface

Detailed Result Page

After submitting the diamond attributes via the prediction form, users access a detailed result page showcasing the predicted diamond price. This transparent presentation clarifies the factors influencing the price estimate, empowering users with insightful understanding.

Screenshot 2024-06-16 192221

These visuals not only demonstrate the functionality of the Diamond Price Estimator but also highlight its user-friendly design and practical application in the diamond industry.


MIT License

This project is licensed under the MIT License - see the LICENSE file for details.


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This project develops a predictive model to estimate diamond prices based on characteristics like carat, cut, color, and clarity. It covers data preprocessing, feature engineering, model selection, training, and evaluation. The final product is a web app where users can input diamond attributes to get accurate and instant price predictions.

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