Todd Reed 18k gold ring with gray square diamond and white brilliant cut diamonds, $8,690 at I. Gorman Jewelers, 1133 20th St., NW; 202-775-8544.
Hazeline Black Diamond in rose gold, $2,500 at Mia Gemma, 933 F Street NW; 202-393-4367.
Magic Ring in 18k white gold with fresh water pearl and diamond, $1,925 at Georg Jensen.
Embrace Engagement Ring, $7,200 at Diamond in the Rough.
MPL Black Diamond Kite Ring, $13,000 at Barneys.
Jessica Fields 18k gold mini clover ring with diamonds, $890 at Mia Gemma, 933 F Street NW; 202-393-4367.
Heirlooms 1940s 18k gold diamond ring, $11,185 at Net-A-Porter.
Asymmetrical Avens Ring with rough diamond, $2,195 at Bario Neal.
18k Gold Mini Lollipop Ring in London Blue Topaz with diamonds, $1,995 at Ippolita.
Fossilized woolly mammoth ivory ring in 18k recycled white gold with white diamond pave, $2,345 at Monique Pean.
Malcolm Betts Cognac Diamond Ring, $5,195 at Barneys.
The Karl Edwards Engagement Ring, $5,000 at Stone Fox Bride.
Annie Fensterstock Tiny Solitaire Ring, $2,250 at Tiny Jewel Box, 1147 Connecticut Avenue NW; 202-393-2747.
Eva Fehren Grey Sapphire and Champagne Diamond Nina Ring, $3,960 at Barneys.
Cathy Waterman Rustic Diamond Antique Prong Ring, $5,500 at YLANG | 23.
Bamboo Collection small round ring in sterling silver with white sapphire, $395 at John Hardy.
Kathryn Bentley Tourmaline Slice Ring, $700 at Dream Collective.
Stone Diamond Nirvana Ring, $1,315 at Barneys.
Kimberly McDonald 18k white gold geode & diamond ring, $6,400 at Neiman Marcus.
Jennifer Meyer Diamond Circle Ring, $500 at Barneys.