How Much Does a 6-Ly Diamond Cost Nowadays?
6 mm diamond is one of the most sought-after diamond sizes, especially in the engagement ring segment. With a diameter of approximately 6 mm, this diamond achieves the perfect balance between impressive size and reasonable cost. So, exactly how much does a 6 mm diamond cost, how many Carats is it equivalent to, and what special meaning does it carry?
This article will provide a detailed analysis of the reference price list, weight, and feng shui meaning of 6 mm diamonds so you can have the most comprehensive view before deciding to invest
How much does a 6 mm diamond cost?
The value of a diamond is determined based on the 4C standard (Carat, Cut, Color, Clarity). With the same 6 mm size, the price will vary significantly depending on the Color grade and Clarity grade. Below is a reference price table for 6 mm diamonds, ranked according to popular 4C grades:
Size | Color grade | Clarity | Estimated price (VND) |
6 mm | D | VVS1 | 246,800,000 |
6 mm | D | VVS2 | 193,825,000 |
6 mm | F | VVS2 | 174,800,000 |
6 mm | F | VS2 | 128,790,000 |
6 mm | G | VS1 | 123,270,000 |
Factors affecting the price of a 6 mm diamond:
- Color D (Color D): Represents the highest color grade (completely colorless). Although it differs by only one grade from color F, its value can be significantly higher (for example: Color D/VVS2 is about 19 million VND higher than Color F/VVS2).
- VVS clarity (Very Very Slightly Included): Shows that the diamond is nearly perfect in purity. VVS1 is an almost flawless grade, making it the optimal choice for those who value absolute perfection.
- Optimal cost-effective choice (G/VS1): At around 123,270,000 VND, a 6 mm diamond with G color and VS1 clarity still ensures excellent sparkle and very good "eye-clean" clarity, making it a smart investment choice.
Latest updated 6 mm diamond prices from Jemmia Diamond
Note: Diamond prices in this article are updated in December 2025; in case of limited supply, diamond prices may rise sharply in the future.
See now: The latest updated diamond price list or Contact Jemmia now for more consultation: 0838 353 333
How many carats is a 6 mm diamond?
In the diamond industry, especially in Asia, the term “ly” is widely used as a standard to assess the size of a stone. Ly is used to indicate the diameter of a diamond in millimeters, where 1 ly is equivalent to 1 mm. Therefore, a 6 mm diamond will have a diameter of 6 mm and a weight of about 0.7 ct (Carat). Depending on the cut and shape of the diamond, the weight will vary and range from 0.6 – 0.8 ct (Carat).
A 6 mm diamond is equivalent to 0.7 Carat
Read more: In and outside Vietnam, where are diamonds cheaper?
Meaning of a 6 mm diamond
A 6 mm diamond not only carries material value but also holds many special meanings in feng shui and life. Below are the values and symbolism that this diamond brings:
Feng shui symbol: According to feng shui beliefs, the number 6 signifies prosperity and wealth. Therefore, many people choose a 6 mm diamond as a way to wish for career growth, smooth work, and success.
Symbol of eternity: Diamonds have long been a symbol of everlasting and eternal love. Choosing a 6 mm diamond for special occasions such as engagements or weddings not only shows appreciation but also serves as a promise of enduring love.
Symbol of luxury, sophistication: A 6 mm diamond possesses refined, elegant, and noble beauty. In addition, its size is not too large to become the center of attention, yet it is prominent enough to express the wearer’s style and sophistication.
Feng shui meaning of a 6 mm diamond
What jewelry is a 6 mm diamond suitable for?
A 6 mm diamond (0.75 Carat) is considered the "national favorite" size because it solves the equation of aesthetics and cost. This size is large enough to make a strong impression but not too bulky or expensive like diamonds of 1 Carat or more.
Below are the most common and outstanding applications of a 6 mm diamond:
Engagement ring: 6 mm is the number one choice for proposal rings. It provides the perfect sparkle and size, fitting beautifully on all fingers (from slender hands to fuller hands) while still maintaining elegance and luxury.
6 mm diamond rings luxurious and elegant
Pendant: When used as a pendant, a 6 mm diamond immediately becomes an eye-catching focal point, highlighting the wearer’s neck and collarbone. It creates a noble look without being ostentatious.
6 mm diamond pendant
Commemorative jewelry: With the meaning of "Fortune" (number 6), a 6 mm diamond is a wonderful gift to mark important milestones such as wedding anniversaries or birthdays. It is not only jewelry but also a sustainable investment over time.
6 mm diamond jewelry collection at Jemmia
In short, a 6 mm diamond is the ideal choice for those seeking the perfect balance between standout beauty and high practicality in everyday jewelry.
See now: Beautiful natural diamond wedding rings at Jemmia Diamond
Jemmia Diamond – A Reputable Place to Buy Diamonds
When deciding to own a diamond, customers need more than just a piece of jewelry: they need assurance of value and legal legitimacy. Jemmia Diamond affirms its position as a leading place to buy diamonds with outstanding commitments:
- Strict selection: Only selects the top 2% most beautiful diamonds in the world, appraised based on GIA’s strict 4C standards (Gemological Institute of America).
- Transparent verification: As a GIA-authorized unit, Jemmia uses 100% modern technology equipment from GIA USA (such as GIA iD100, GIA Match iD…) to accurately verify the quality and origin of each diamond.
- 100% officially imported: Diamonds are imported with full invoices, customs documents, and come with GIA Certificates, ensuring they are legal and safe assets for long-term investment.
- Ethical diamonds: Committed to importing only from countries that comply with the “Kimberley Process,” ensuring origins are not from conflict zones and are friendly to the environment and people.
- Public pricing: Diamond price lists are always published transparently, helping customers easily compare and choose the stone that best fits their budget.
- Best trade-in policy: Jemmia has a flexible buyback - trade-in policy, considered the best on the market, bringing absolute peace of mind to customers who want to invest in or upgrade products in the future.
Jemmia Diamond – where you find the perfect combination of splendid beauty, GIA-certified quality, and sustainable investment value.
Jemmia - A reputable and quality place to buy diamonds
In summary, a 6 mm diamond is a balanced choice in terms of size, meaning, and cost, with prices ranging widely from around 123 million VND to more than 246 million VND depending on the 4C grade. Choosing to buy from reputable units such as Jemmia Diamond, with GIA commitment and clear legal documentation, will ensure sustainable investment value for your diamond.
