预算有限，也看了坛子上大神的建议，选大点，颜色，净度稍差的款式，现在看到下面一颗，价格挺实惠的，请大神看看是否值得入？
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Round Brilliant
| Measurements Diamond dimensions listed as “minimum diameter – maximum diameter x depth” for round diamonds and “length x width x depth” for fancy-shaped diamonds. | 5.49 - 5.53 x 3.44 mm |
| Carat Weight Weight given in carats, recorded to the nearest hundredth of a carat. One carat is equal to 1/5 of a gram. | 0.64 carat |
| Color Grade The absence of color ranging from colorless to light yellow or brown when compared to GIA Master Color Comparison Diamonds. | H |
| Clarity Grade The relative absence of inclusions and blemishes. Graded on a scale from Flawless to Included based on size, nature, number, position, and relief of characteristics visible under 10x magnification. | SI1 |
| Cut Grade For standard, D-to-Z color, round brilliant diamonds. Cut grade incorporates the aspects of face-up appearance, design, and craftsmanship. | Excellent |
proportions
| Depth Table-to-culet depth, expressed as a percentage of average girdle diameter for round shapes or width for fancy shapes. | 62.5% |
| Table Table size expressed as a percentage of a round brilliant’s average girdle diameter for round shapes or width for fancy shapes. | 57% |
| Crown Angle The average of the angles of the bezel facet planes relative to the table planes. | 35.5° |
| Crown Height Measurement from the table plane to the intersection of the bezel facet with the girdle. The Crown Height % is the average crown height relative to the average diameter for round shapes and width for fancy shapes. | 15.5% |
| Pavilion Angle Average of the angles formed by the pavilion main facet planes and the girdle plane. | 40.8° |
| Pavilion Depth Measured from the girdle to the culet, then expressed as a percentage of average girdle diameter for round shapes or width for fancy shapes. | 43.0% |
| Star Length Length of star facets expressed as a percentage of the total distance between the girdle and the edge of the table facet. | 50% |
| Lower Half Length of lower-half facets expressed as a percentage of the total distance between the girdle and the culet. | 75% |
| Girdle Thickness of the intersection of the crown and pavilion which defines the perimeter of the diamond. | Medium, Faceted, 4.0% |
| Culet Size of the facet at the tip of a gemstone relative to the average diameter for round shapes or width for fancy shapes. | None |
finish
| Polish Smoothness of the diamond’s surface, assessed on a scale ranging from excellent to poor. | Excellent |
| Symmetry Exactness of the diamond’s outline, and the shape, placement, and alignment of its facets, assessed on a scale ranging from excellent to poor. | Excellent |
Fluorescence
| Fluorescence Strength and color of the diamond when viewed under long-wave ultraviolet light. A fluorescence dexxion of “none” represents a range of fluorescence from indiscernible to very faint. Used for identification purposes. | None |
clarity characteristics
| clarity characteristics List of the most significant clarity characteristics present in the diamond that justifies the clarity grade; a maximum of four characteristics are listed. | Feather, Crystal |
简洁明了，赞。差关键的价格了。
