A bouquet of colorless, orange, and yellow diamonds.
This brooch, a flower basket of gemstones, looks as though a handful of the most beautiful flowers were carefully chosen and arranged to create a small flower garden. Four flowers, each made of six diamonds measuring three to four millimeters, are surrounded by six flowers of single yellow and orange pear-shaped diamonds, all arranged to create a well-balanced basket of flowers. Small inlaid diamonds make up the basket, completing this very realistic illusion of a flower basket.
The yellow diamond brooch in the photograph is the second piece created in this style, the first one being made entirely of colorless diamonds. This combination of colorless, yellow, and orange diamonds can never be exactly duplicated, because the same selection of yellow and orange pears and marquise with these exact outlines and colors does not exist. If you want to enjoy a piece of jewelry with unique character, it would also be possible to make a one-of-a-kind flower basket by combining colorless diamonds with emeralds of fancy-color sapphires.
Looking at the brooch from the back, one notices details such as a support to make the brooch lie flat, and how the handle of the basket is made so that it appears just right when viewed from the front. Viewing from the back also impresses one with how three-dimensional the construction of the piece is. Jewelry with a solid style that is painstakingly fabricated using carefully selected materials will maintain its appeal, even after it has been passed on to the next generation.
Notice the way the pear-shaped diamonds are set in the close-up photograph below. Yellow gold is used to set the yellow diamonds. Instead of completely surrounding the gemstones, the metalwork leaves the upper portion of the pear shapes open. It gives the appearance that something precious is being securely held in place by a pair of hands. Minute details of design such as this add to the exquisite style of this flower basket.
Brooch
Uyeda Jeweller
900 Platinum /
18K Yellow Gold
Diamond
Size (mm):L41 x W31 x H13
Flower Basket Diamond Brooch
Uyeda Jeweller
Metal : 900 Platinum / 18K Yellow Gold
Total Weight : 17 grams
Size(mm) : L41 x W31 x H13
Diamond
Untreated
Gem Quality
THE QUALITY OF DIAMONDS
The quality of diamonds is judged by inspecting their beauty, their tone of color, whether or not they contain defects, and their size. The Quality Scale shown to the right is a quality reference, devised to allow any individual diamond to be visually analyzed and assigned to one of the 35 spaces defined by the horizontal beauty axis and the vertical tone axis. The horizontal axis ranks beauty as S (brilliant and especially beautiful), A (very beautiful), B (beautiful), C (somewhat lacking in beauty), or D (lacking in beauty). The vertical axis is divided into seven levels of tone of color, from the darker 3
and 3 tones of fancy yellow diamonds, through lighter levels of yellow coloration seen in a face-up position, down to the tone level of 0 (colorless). Beauty grades of S and A in tone levels of 3, 3,1, and 0 make up the especially beautiful and highly rare gem quality(blue shaded zone). Beauty grades of S and A in
2, 2, and 1, along with all of beauty grade B, are the jewelry quality (gray) that is most widely used in jewelry. Diamonds in beauty grades C and D are accessory quality (yellow), falling short in beauty. Within each quality zone, the presence of defects and their degree is judged under 10-power magnification, and each diamond’s size is inspected to arrive at a final determination of its quality. When judging quality, it is an absolute requirement that the diamonds are not manmade and that they have not been treated in any way.
Diamonds grading based on the 4 Cs (clarity, color, carat weight, and cut) effectively explains the characteristics of a diamond, but a clear understanding of the system’s details is required to use it properly. For example, in the case of clarity it is necessary to differentiate between whether a grade-setting imperfection is an identifying characteristic of the diamond or a defect. In addition, within the same J color grade, diamonds with a hint of a pure lemon-yellow color will have a totally different beauty than grayish or brownish stones, and this difference in beauty becomes more pronounced when small diamonds are set in combination. Carat weight is a reference for size. An overemphasis on carat weight may lead to the purchase of an undesirable stone, such as one that is too thick. Details of cut, such as proportions or the size of the facets, give individual character to the brilliancy if a diamond. What is best depends on the conception of the jewelry that the diamond will be used in. The diamond grading report is a tool that is used by experienced jewelers and dealers to assist in determining a diamond’s quality. 
It is important that diamonds used in jewelry appear beautiful to the unaided eye and contain no defects that are visible under 10-power magnification. When several diamonds are used together, it is essential that they match in brilliancy and contribute to the beauty of the jewelry. In a piece that contains several 0.3-carat-size diamonds, for instance, the key point is for them to match in overall brilliance, not that they all have the same grade of D-VVS. Diamond grades are best used as a reference for quality control, such as when specifying G color or better, or VS2 or better. Other than for large, rare diamonds, the indication of detailed grading information for diamonds set in jewelry or the attachment of a grading report has no essential meaning.
The three quality zones as shown on the quality scale.
