How to Choose the Perfect Engagement Ring in Bangkok

Choosing the perfect engagement ring in Bangkok is a significant and exciting step in your journey towards marriage. Bangkok, with its vibrant gemstone & jewelry market, offers a plethora of options. However, to make an informed decision, it’s essential to understand some key aspects of buying an diamond engagement ring in this bustling city. Here’s a comprehensive guide to help you navigate this process.

Buy Diamonds in Bangkok, Thailand – Facts

First, let’s clarify a common misconception: Is it cheaper to buy a diamond in Bangkok or Thailand compared to anywhere else in the world?

Triple Excellent Cut Diamond - How to choose the Prefect engagement ring in Bangkok

Simple answer: NO! Thailand does not source diamonds, is not a major cutting center, and is not a major trading hub for selling diamonds. While Bangkok is known for cheaper wholesale goods like certain electronics, clothes, and shoes, the same does not apply to diamonds. Diamond prices are globally standardized based on the 4Cs – Carat weight, Color, Clarity, and Cut grade. If you find a cheaper diamond in Bangkok, it’s likely due to a compromise on one of these factors or an extremely rare lucky find.

Buy Diamond in Bangkok Issue – 7% Value Added Tax

Diamonds in Thailand are subject to a 7% VAT (Value Added Tax), adding a significant cost to your purchase. For example, a 2-carat, H-color, VVS1 clarity diamond priced at around US$30,000 will cost US$32,100 after tax – an extra US$2,100!

Reliable Dealers in Bangkok

Yes, there are reliable diamond dealers in Bangkok. Popular locations include Silom Road, Suriwong, MBK, and Chinatown (Yaowarat). Always do thorough research and ensure you’re buying from a trustworthy source by checking reviews or getting references from your reliable friends.

Learn About the 4Cs

How to Choose the Perfect Engagement Ring

Understanding the 4Cs is crucial:

  1. Color: Diamonds range from colorless to light yellow. Colorless diamonds (graded D-F) are the most valuable. Best Value is between graded G-I and is generally white enough.
  2. Clarity: Refers to the presence of internal or external flaws – from IF to I3 (Internally Flawless to Included 3). VVS2 to VS2 is where you get the best value and the inclusions are difficult to see even under 10x magnification gem loupe or microscope.
  3. Cut: The cut determines the diamond’s brilliance. Round Brilliant cuts are highly sought after for their ideal diamond sparkle. Ensure a minimum cut grade of ‘Very Good,’ ideally ‘Excellent.’
  4. Carat Weight: Indicates the diamond’s size. Larger carat weight increases the price exponentially. Magic numbers like 0.50 carat, 1 carat, 2 carat, etc., are generally where the price rises quickly.

Evaluate the Diamond’s Cut, Symmetry, and Polish

For the best sparkle, never compromise on the cut, symmetry, and polish of the diamond. These factors significantly affect the diamond’s brilliance. Look for diamonds with Gemological Institute of America (GIA) or the Hoge Raad voor Diamant (HRD) for accurate grading information. The highest Grade for GIA certificates is called ‘Triple Excellent,’ while for HRD, it is ‘Ideal or Excellent Cut.”

Check Online for Prices

When considering purchasing a diamond in Bangkok, it’s essential to do your homework online first. This step ensures that you have a clear understanding of the market prices and can make a more informed decision. Here are some detailed steps and tips for checking online prices effectively:

1. Use Reputable Diamond Retailer Websites

Start by visiting well-known online diamond retailers. Websites such as Blue Nile, James Allen, and Brilliant Earth are renowned for their extensive inventories and competitive pricing. These sites offer a range of search filters that allow you to specify your preferred 4Cs (Carat, Color, Clarity, Cut), budget, and other attributes such as fluorescence and certification.

  • Blue Nile: Known for its vast selection and detailed images.
  • James Allen: Offers high-resolution 360° videos of each diamond.
  • Brilliant Earth: Focuses on ethically sourced and environmentally friendly diamonds.

2. Utilize Price Comparison Tools

Price comparison tools can be invaluable. Platforms like Rare Carat and PriceScope aggregate listings from various retailers, allowing you to compare prices and specifications side by side. These tools help you understand the current market rates and identify any outliers in pricing.

  • Rare Carat: Provides a diamond pricing score and comparisons across multiple vendors.
  • PriceScope: Offers user reviews and price comparisons to help you make an informed decision.

3. Look for Diamonds with Certificates

Ensure that the diamonds you are comparing online come with reputable certification, such as from GIA or HRD. These certificates provide an unbiased report on the diamond’s characteristics, ensuring you get what you pay for. When comparing prices, take note of the cut, symmetry, polish, type of inclusions, inclusion locations, and fluorescence, as these factors can influence the price significantly.

1 carat GIA Certificate with Diamond Engagement Ring - How to Choose the Perfect Engagement Ring

4. Understand Price Fluctuations

Be aware that diamond prices can fluctuate based on global market trends and availability. Regularly checking prices over a few weeks can give you a better sense of whether the current prices are high, low, or average.

5. Factor in Additional Costs

While comparing prices online, remember to factor in any additional costs that may apply when purchasing from an international site. These can include:

  • Shipping Fees: Costs to ship the diamond to your location.
  • Import Duties and Taxes: Local customs duties and taxes that can add a significant amount to the final price. For Thailand, remember the 7% VAT on diamonds.
  • Insurance: Shipping insurance to cover the cost of the diamond in case it is lost or damaged during transit.

6. Use Online Reviews and Ratings

Read customer reviews and ratings on the diamond and the seller. Platforms like Trustpilot, Google Reviews, and Yelp can provide insights into other customers’ experiences with the retailer. Look for feedback on product quality, customer service, return policies, and overall satisfaction.

How to Choose the Perfect Engagement Ring in Bangkok - Thai Native Gems (1960) Co., Ltd Google Reviews Image from June 2024

7. Contact Online Retailers

If you find a diamond that meets your specifications and budget, consider contacting the retailer directly. Ask any questions you may have about the diamond, such as details on inclusions, the diamond’s performance, and their return policy. A reputable retailer will be happy to provide additional information and may even offer personalized advice or discounts.

8. Compare to Local Dealers

After gathering data online, compare these prices with local dealers in Bangkok. While online retailers can offer competitive pricing, local jewelers may provide additional services such as custom settings, immediate physical inspection, and potentially better after-sale services.

By thoroughly researching and comparing prices online, you can ensure that you are getting a fair deal and make a well-informed purchase when buying your engagement ring in Bangkok. Remember, the goal is to balance cost, quality, and personal preferences to find the perfect ring for this special occasion.

Additional Factors Affecting Diamond Prices

  1. Type of Inclusions: Inclusions under the table (the middle part) can significantly lower the price.
  2. Fluorescence: Diamonds with medium to strong fluorescence often sell at a discount. In most cases, fluorescence doesn’t affect the diamond’s appearance.
  3. Cut Grade: Diamonds with ‘Very Good’ to ‘Excellent’ cut grades command higher prices than those with ‘Good’ to ‘Fair’ cuts.
  4. Certification: GIA-certified diamonds are generally more expensive due to their strict grading standards.


Choosing the perfect engagement ring in Bangkok requires understanding the diamond market and the 4Cs, being aware of local taxes, and ensuring you buy from reliable dealers. By doing thorough research and considering all factors, you can find a beautiful and valuable engagement ring that fits your budget and meets your expectations.

For more detailed information on buying diamonds and gemstones in Bangkok, check out our other articles or contact us directly at Happy diamond hunting!


Thai Native Gems Diamond Search & Custom Engagement Ring service (Best way to buy diamonds in Bangkok):

If you are in the market looking for the best diamond and custom hand made engagement ring.  Contact Us.  Let us know what your budget is and what you are looking for.

From this initial information, we will swiftly find and email you 4 to 5 center diamond options.  Unlike other traditional or online dealers, I am not looking to sell you anything. But will provide you honest, frank and objective opinion in what we think is best in the budget you offer.

This service is free, and there absolutely no commitment to buy any of our suggestions. The only thing you have to do is not respond to our email and you won’t hear from us again! So, you truly have nothing to lose!

How do we compile this diamond list?  Our search process is provided below:

1) We first will contact our local diamond supply network and check if there are any stones that fit your requirement in Bangkok. We have over 50 contacts in Bangkok and will check ALL to make sure we can provide you the best deal.

2) If not satisfied, we will then check online through our extensive global network sifting through over 900,000+ diamonds. and will find you the best diamond. The only setback when choosing the diamond from this global list is, it can take one to two weeks to arrive to Bangkok.

What type of engagement rings can you make and how are they made?

1) We usually set our engagement rings in 18k yellow or white gold or 950 platinum settings.  Our rings are all hand-crafted and made by highly skilled Thai craftsmen.

Examples in some of the rings we made you can see on our YouTube channel and shown below:

YouTube Channel PLAY LIST

Contact us today to get all your wholesale gemstones, diamonds and jewelry needs.  We can Source, Search and Supply anything you require.

What will you get if you contact us

  • Start a conversation with us at
  • Get wholesale and highly competitive prices of gemstones & diamonds from anywhere through our extensive network of contacts around the world
  • All stones sold by us is verified in house by our GIA Graduate Gemologist or certified
  • We provide personalized service and NOT the same old “One Size Fits All” Approach

You can learn more by clicking here or image below

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