








Swiss Blue Topaz & Diamond Pendant Necklace (1 ⅕ ct. tw.) in 10k Yellow Gold
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Swiss Blue Topaz & Diamond Pendant Necklace (1 ⅕ ct. tw.) in 10k Yellow Gold
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The Story
The trillion topaz is a dazzling, richly saturated Swiss blue. This blue topaz pendant shows a new mix of flashing stones, several at once, whenever you lean in to talk, and it looks radiant on you from across the room. Its topaz weighs 1.00 carat, and its round brilliant cut diamonds add 0.20 more.
The topaz grades AAAAA, the top of the grading scale, so the blue you wear is rich and even across all three corners, with high transparency and a precise cut. Round brilliant cut diamonds run down one side of this blue topaz pendant, and they are G color and VS2 clarity—near-colorless. Their very good cut keeps them full of brilliance, a bright seam of sparkle right beside the blue. Polished 10k yellow gold frames the trillion with a soft gleam and takes on the warmth of your skin within moments, and the pendant is suspended from an 18-inch cable link chain of uniform ovals. That gold outline gives this blue topaz pendant a bold, graphic shape, a colored gemstone necklace that looks striking on you. Every stone here is natural and earth-mined. Each and every piece at Jewelry Depot is one-of-a-kind. Once it’s gone, it’s gone forever.
Topaz is November’s birthstone, long a symbol of abundance and warmth. The blue sits bright against your skin, and the diamonds along one edge keep their sparkle through everything you do. Yellow gold meets cool blue on you, and the pendant is so light that it wears like part of you.
Details + Specifications
| Total Carat Weight (CTW) | 1.20 carats |
| Metal | 10k Yellow Gold |
| Main Gemstone | Natural Earth Mined Swiss Blue Topaz |
| Main Gemstone Weight | 1.00 carats |
| Main Gemstone Shape & Cut | Trillion Brilliant Cut |
| Diamond Color Grade | G – Near Colorless |
| Diamond Clarity Grade | VS₂ |
| Diamond Cut Grade | Very Good |
| Second Gemstone | Natural Earth Mined Diamond |
| Second Gemstone Weight | 0.20 carats |
| Second Gemstone Shape & Cut | Round Brilliant Cut |
| Length | 18.0 inches |
| Pendant Dimensions | 0.35 in x 0.45 in |
| Total Weight | 2.40 grams |
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Diamond & Gemstone Grading
All gemstone carat weights (CTW), if mentioned, are approximate if said gemstones have not been weighed before mounting, i.e., weighed as a loose stone.
All Diamond and Color Gemstone grades, unless otherwise indicated, are based upon the results of the examination and grading of the article(s) based upon the application of the system and testing equipment used by Jewelry Depot at the time the article(s) is (are) examined. Diamond and Color Gemstone grading is not considered a science, and opinions may reasonably vary depending on many conditions such as lighting, grading techniques, type and condition of equipment, and/or the ability and experience of the person or people performing the examination and issuing the gradings.
The information contained in EGL USA Reports is the result of the examination and grading of the article(s) based upon the application of the system and testing equipment used by EGL USA at the time the article(s) is (are) examined. Gemstone grading is not considered a science, and opinions may reasonably vary depending on many conditions such as lighting, grading techniques, type and condition of equipment, and/or the ability and experience of the gemologist.
For GIA Graded Diamonds and Color Gemstones, please see https://www.gia.edu/terms for a full explanation of the merits and limitations of GIA Reports.
Image Scale & Size
Some product images on Jewelry Depot may be AI-generated or digitally enhanced for visualization. These images may not be to exact scale. The item you receive will match the specifications listed on this page (including mm/in measurements, carat weight, and metal weight where provided). Perceived size can vary based on screen settings, camera angle, zoom, and how jewelry sits on different hands, ears, necks, and wrists. If precise fit or proportion is critical, please contact us before purchase, and we will confirm measurements and provide additional references when available.

