12:08 CH - Thứ Năm | 17/01/2024

What Is the Current Price of a 13-Ly Diamond?

13 ly diamond is one of the rare and highly valuable sizes on the jewelry market. With a diameter of about 13mm and an average weight of 8.2-8.8 carats, this diamond not only possesses a timeless dazzling beauty but is also a symbol of power, prosperity, and personal class.

In this article, Jemmia Diamond will help you better understand the value, meaning, and carat conversion of a 13 ly diamond so you can have a comprehensive perspective before choosing to buy.

What Is a 13 Ly Diamond?

In the jewelry industry, “ly” is a unit used to measure the diameter of a diamond, with 1 ly equivalent to about 1mm. Therefore, a 13 ly diamond means a stone with a diameter of about 13mm, belonging to the group of super-large and rare sizes on the market.

With this diameter, a 13 ly diamond usually has an average weight of 8.2 – 8.8 carats, and can even exceed 10 carats if cut deep. This is a high-end diamond segment worth tens of billions of VND, usually only appearing in the collections of the elite or major gemstone collectors.

In other words, a 13 ly diamond is not simply a gemstone for jewelry making, but also a symbol of rarity, power, and a sustainable asset accumulation channel.

A 13 ly diamond weighs from 8.2 - 8.8 carats (possibly more depending on the cut)

The Meaning of a 13 Ly Diamond

Many people always think that 13 is an unlucky number, and that using objects related to the number 13 will bring bad omens, but in fact that is not the case.

In the I Ching theory, the number 13 is associated with the Hexagram Thiên Hỏa Đồng Nhân, one of the 64 hexagrams of the I Ching. A characteristic of this hexagram is that the Sixth Two line in the Thiên Hỏa Đồng Nhân hexagram symbolizes intelligence, creativity, and wisdom. This makes it one of the hexagrams that brings luck and favorable circumstances in many situations. Therefore, in the I Ching, the number 13 does not carry unlucky or negative meanings as commonly believed in some other cultures.

See more: How Much Is a 9.7 Ly Diamond Currently?

Therefore, using jewelry or anything related to this number, such as a 13 ly diamond, will bring blessings, prosperity, and advancement in life to the owner.

Meaning of a 13 ly diamond

How Much Does a 13 Ly Diamond Cost Today?

A 13 ly diamond (about 13mm in diameter, average weight 8.2-8.8 carats) belongs to the ultra-rare segment, so its value is not fixed but varies depending on many factors. On the market, each diamond is priced based on the 4Cs standard including:

Carat (weight): With the same 13 ly size, if the diamond is cut deeper, the weight can exceed 9.5 carats and the price will be significantly higher.
Color (color): D-color diamonds (completely colorless) are always the most expensive, while stones with a yellowish or grayish tint will have lower prices.
Clarity (clarity): Stones with FL or IF clarity are nearly flawless, making them rarer and more valuable than diamonds with obvious inclusions.
Cut (cut): An Excellent cut helps the diamond reflect light perfectly, enhancing both beauty and value.

In addition, international certification papers (GIA, IGI) are also important factors determining value. A 13 ly diamond with clear certification always has a much higher price than one without papers.

Reference Price Table for 13 Ly Diamonds (GIA)

Based on international and Vietnamese diamond market data updated in 2026, below is a practical reference price table for 13 ly diamonds (Round Brilliant):

Weight (Carat)	Color Grade (Color)	Clarity	Cut	Reference Price (VND)
8.50 ct	D	IF (Flawless)	3Excellent	28 billion – 40 billion
8.30 ct	E	VVS1	3Excellent	22 billion – 28 billion
8.20 ct	F	VVS2	3Excellent	18 billion – 24 billion
8.50 ct	G - H	VS1 - VS2	3Excellent	12 billion – 16 billion

Note: The diamond price table is for reference only and may increase sharply in case of scarce supply.

What Type of Jewelry Is a 13 Ly Diamond Suitable For?

With its large size and top-tier market value, a 13 ly diamond is often chosen to craft unique jewelry pieces. Not only does it honor dazzling beauty, but a large-size diamond also clearly expresses the owner's style, class, and personality.

Diamond Ring

A ring set with a diamond 13 ly is the perfect choice for those who want to own an iconic masterpiece. With its large weight, the diamond becomes the absolute centerpiece, capable of attracting every gaze.
Popular ring designs for this size are usually Solitaire (single stone), which fully showcases the beauty of the diamond, or luxurious Halo designs that create a radiant and striking lighting effect. A 13 ly diamond ring not only holds aesthetic value but is also a strong affirmation of status and success.

Luxurious 13 ly diamond ring for women

Diamond Necklace

A necklace set with a 13 ly diamond brings a look full of power, both refined and splendid. When crafted as the pendant centerpiece, the diamond becomes the “heart” of the entire design, shining brilliantly from every angle.
This is a type of jewelry suitable for important events, luxurious parties, or moments that require a display of distinct class. A 13 ly diamond necklace not only highlights the owner's aura but is also a lifetime piece of jewelry, with value passed down from one generation to the next

Diamond necklace elegant and noble

Where to Buy a Reputable, Quality 13 Ly Diamond

With a value of billions of VND, buying a diamond is not only about owning a piece of jewelry, but also a major investment. Therefore, the most important factor is choosing the right reputable place that is transparent about origin and quality.

In today’s highly fluctuating market, Jemmia Diamond is a brand chosen by many customers for its transparency and professionalism. At Jemmia, all diamonds come with international GIA/IGI certification papers, clearly stating weight, color, clarity, and cut. Customers can directly inspect the stone using modern equipment systems such as Gemolite, GIA ID100, GIA Match ID, ensuring absolute authenticity.

Jemmia - A reputable place to buy diamonds

Not only transparent about origin, Jemmia also has a team of experienced experts ready to provide detailed consultation so customers can choose the most suitable diamond. The jewelry designs are also crafted exclusively and exquisitely, accompanied by clear trade-in and after-sales policies, helping increase liquidity value for the owner.