CAN’T-MISS ­COLLECTION That’s L’Amour If you love Crisscut diamonds, but you’re seeking a budget-conscious look, Christopher Designs has a new shape for you: L’Amour. The ­trademarked emerald-like cut has 50 facets and appears bigger than its weight (up to 45 percent, says the firm). Entry prices for stones start at $1,500, and mountings are lighter-weight versions of best-selling Christopher Designs styles. A close-up of the new L’Amour by Crisscut; Christopher Designs, NYC; 212-382-1013; christopherdesigns.com HOT STOCK TIP All That Jazz Gabriel & Co.’