Colorless Diamond & Blue Sapphire Ring (1 ⅓ ct. tw.) in 18k Yellow Gold
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The Story
Three deep navy blue sapphires framed in warm 18-karat yellow gold, alternating with four brilliant-cut diamonds graded F color—Colorless, the highest tier on the GIA scale—and VS₁ clarity, where even a trained gemologist must search under magnification to find an inclusion. In motion, the sapphires reveal a vivid blue depth through the stone, proof that their darkness comes from concentrated color, not opacity.
This is a one-of-a-kind piece—the only one we will ever carry.
Each natural, earth-mined sapphire was hand-set in a precision bar setting; each diamond secured in a classic four-prong mount for maximum light return. The low-profile silhouette sits cleanly against a solitaire or eternity band—a natural anniversary complement, or a statement worn on its own. Whether you are choosing it for someone you love or reminding yourself you have earned it, this is a ring that does not need an occasion.
Details + Specifications
| Total Carat Weight (CTW) | 1.30 carats |
| Metal | 18KT Yellow Gold |
| Main Gemstone | Natural Earth Mined Sapphire |
| Main Gemstone Weight | 0.90 carats |
| Main Gemstone Shape & Cut | Princess Brilliant Cut |
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Pairs well with
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.
