1.50 CTW Lab-Grown Diamond Stud Earrings

This set gathers all 40 designs from the U.S. Mint's Presidential $1 Coin Program, spanning coins issued from 2007 through 2020. Each coin arrives in uncirculated mint state condition with either a Philadelphia or Denver mint mark. Buy Now at Amazon

At eBay, use promo code "COUNTDOWN20" to get an extra 20% off on a selection of pre-owned Tiffany & Co. jewelry. It's the best extra discount we've seen at eBay this year that can be applied to Tiffany & Co. items. Pieces span a wide range, from a Tiffany Knot Ring at $1,195 to an 18k gold Tiffany HardWear bracelet at $32,200, and many listings carry eBay's Authenticity Guarantee. This deal ends October 11. Shop Now at eBay

Walmart's Precious Metals and Coins Flash Deals section includes a wide range of gold and silver bullion, from gold bars to bulk lots of silver coins running into the thousands of dollars. You can find small, affordable pieces like a 1-oz Copper Round for as little as $11 alongside larger investments such as a 1-oz. Rand Refinery Gold Bar at $4,524. The sale includes gold bars, silver coins, bullion rounds, and collectible proof sets from mints including PAMP Suisse, APMEX, and Valcambi Suisse. Shipping is free on all items, too. Buy Now at Walmart

At eBay, use promo code "COUNTDOWN20" to get an extra 20% off on a selection of Cartier fine jewelry and watches, including a large selection of pre-owned Cartier items like the Love bracelet, Tank watches, and Santos models. It's the best extra discount we've seen from eBay this year that can be applied to Cartier items. Many listings carry eBay's Authenticity Guarantee and ship free. The discount is capped at $500 and can be applied up to two times per the sale's terms. This deal ends October 11. Shop Now at eBay

Promo code "DN288RG" brings this three-stone engagement ring down to $288 from its $1,499 regular price at VossAgin. That's a 71% savings. The ring ships free with a 30-day return window. Buy Now at VOSS + AGIN