Just like Romeo and Juliet, these rings were simply meant to be together -- even if you don't buy them that way. 1. The look is simple -- with an understated twist. "Aphrodite" ring, $4,785, and band, $1,585, Penny Preville, pennypreville.com. 2. It doesn't get much more contemporary than pairing two solitaires. Rose-cut diamond rings in pear, $7,600, and marquis, $5,475, Conroy & Wilcox, conroywilcox.com. 3. It's the classic set: a bold solitaire with a twinkling band. Princess-cut diamond ring, $115,000, and "DB Classic" band, $3,200, De Beers, debeers.com. 4. The cusion-cut center stone and stunning round accents are a match made in heaven. Ring, $12,950, and band $1,570, Christopher Designs, christopherdesigns.com. 5. They're not matchy matchy, but this golden couple are perfect together. Ring, by Michael B. from Michael C. Fina, michaelcfina.com. Band, $5,300, Furrer-Jacot, furrer-jacot.ch. 6. This sleek and modern twosome steals the spotlight with blinding bling. ring, from $5,000, and "Bezet" band, from $1,900, Tiffany & Co., 800-526-0649. 7. With its petal-pink diamonds and delicate band, this duo has a distinctly feminine touch. Ring, $25,000, and band, $3,000, Fred Leighton, 212-288-1872. 8. Channel 1940s glamour with this rose-cut diamond. Vintage stone reset in gold and silver, $7,000, Single Stone, singlestone.com. Band, $2,750, by Zoe, from Barneys New York, barneys.com.