Dark Cobalt Blue 4ct Blue Spinel, Untreated, Pear Cut Sterling Silver Neckless Birthstone - The American Gem Trade Association (AGTA) and Jewelers of Ameria a ( JA ) added spinel to the list of birthstones for August in 2016. Thought by some to be In association with loyalty, tranquilty, peacefulness and the ability to express oneself. If you wish to see more Jewelry or China cabinet antique / Vintage Items for all year around gift giving Please feel free to visit our Store use the Item locator at no charge. Measurements Stone 5/8 inch or 15.875 mm Long 1/2 inch or 12.7 mm Wide ( 4 Ct. ) Necklass lenth 18 inch. Testing - ET-10 Gold Tester - No test Silver Diamond Tester - Gemstones Magnet - Non-Magnetic. Acid Scratch Test - 925 Sterling Silver Silver Cleaner - Cleaned Nicely. Silver Stamped - 925 Sterling Silver Please email me with any concerns or a shipping Discount on multiply item orders. Also shipping will be drooped or lessened substantially on orders with 2 or more Different. Item orders. Please examine all the picture as they are the best description of the Item If you are nervous about ordering through Fed-x, UPS, or USPS - Our feed back shows how we take care in packaging our items that we send out. Thank you very much for Looking. And Please Stay Safe. Have a Great Day. Donald :o ) 19 3 points