This term, which can also appear as TW, CTW (carat total weight), and DTW (diamond total weight) refers to the collective weight of all the stones in a package or on a piece of jewelry.
0.15ct Round Cut Diamond (3.4×3.4×2.1mm) - Actual Size.
It means carat (CT) total weight (TW) and is used to express the total weight of multiple diamonds or gemstones used in a piece of jewelry.
Carat weight and total carat weight are not the same thing
“Carat weight” refers to the weight of a single stone, “total carat weight” – sometimes abbreviated “tcw” – is used to describe the weight of all the diamonds in a multi-stone ring.
CTTW stands for carat (CT) and total weight (TW). In a piece of jewelry that has more than one diamond, it's the weight of all the diamonds, added together. Browse Engagement Rings.
While it may seem like common sense, understanding the difference between carat weight and the total weight is of the utmost importance when pricing the goods. A diamond ring marked 2 carats TW is not actually a ring with a 2-carat stone, but rather, one with several diamonds that make up 2 carats in total.
DIAMOND TOTAL WEIGHT: 1/10 Carat Total Weight includes a 0.05 Carat Round Center Diamond and 16 Accent Diamonds.
tw.) The combined carat weight of multiple diamonds. For example: In a pair of stud earrings, each diamond might weigh roughly 1/2 carat, equaling approximately 1 ct. tw.
The range of 1.0 to 1.9 carats is by far the most popular, but there are noticeable peaks at the 0.70 – 0.79 range, the 0.90 – 0.99 range and the 1.50 – 1.59 range. It's great to see that people take our advice and go for a diamond that's slightly lighter or heavier than industry cutoff weights to get the best value.
Carat (ct.) refers to the unique unit of weight measurement used exclusively to weigh gemstones and diamonds. Carat weight is often confused with visual size even though it is a measurement of weight.
Diamond Weight Abbreviations Defined
TW=Total Weight. The combined weight of all diamonds in a ring. For example, a ring has ten diamonds, each weighing .10 CW= 1.00 TW.
A carat total weight (CT WT) constitutes a natural diamond because it refers to how many diamonds are contained in one stone. Diamonds are the only stone measured in CT TW, not opals, pearls, or any other stone on the jewellery.
How Much is a . 25 Carat Diamond Worth? A 0.25 Carat diamond is worth between $275 to $440. However, this price is subject to fluctuation and change based on market factors.
The average price of a 0.3 carat diamond is currently $673 (see price chart below). 0.3 carat diamonds can cost anywhere from $286 - $1,447 depending on the diamond's shape, color, clarity, and other factors.
Is a 0.5-carat diamond big enough for an engagement ring? Yes, absolutely. In fact, it's a very good size for engagement rings – not too big and not too small. Just right, as Goldilocks would say.
The difference between a 1 Carat and 2 Carat diamond is purely weight – 200 milligrams to be precise. It's important to remember that a diamond of greater Carat weight will not possess more brightness, colour, or clarity than a smaller diamond of the same quality.
Select Weight or Carat
Diamonds that weigh between 0.50 carat and 1 carat are considered the wisest investment choices.
The average price of a 1 carat diamond is currently $4,734 (see price chart below). 1 carat diamonds can cost anywhere from $1,552 - $11,097 depending on the diamond's shape, color, clarity, and other factors. To see specific details on diamond pricing by shape see our 1 carat diamond prices table below.
The average price of a 0.5 carat diamond is currently $1,293 (see price chart below). 0.5 carat diamonds can cost anywhere from $624 - $2,631 depending on the diamond's shape, color, clarity, and other factors.
What is the Price of a 1/10 Carat Diamond? A 1/10-carat diamond is worth around $70. However, a perfectly-cut round diamond with a 0.1-carat weight can also go up to $200. However, 0.1-carat diamonds with excellent clarity and perfect round-cut shape are the ones that attract the most value.
Choosing low clarity and color grades will let you find the largest diamond you can, and, at this weight and size, clarity and color have little impact on beauty. Very small diamonds of 0.10 cts make for beautiful, simple, and understated rings. For a minimalist style, this might be all you're looking for.
Flawless is the top grade in the GIA Clarity Grading System. Diamonds graded Flawless don't have visible inclusions or blemishes when examined under 10-power (10X) magnification by a skilled and experienced grader.