Diamond Solitaire Two-Tone Engagement Ring in 14k.  This fine engagement ring features a round brilliant cut .86 carat diamond and is finished in 14 karat yellow gold. The small marquise sections on the shoulders contain little accent diamonds and are bordered with milgrain detail, these are actually done in white gold to create a bit of color contrast. Below the shoulder accents the yellow gold band is adorned with swirling metal work that hugs and emphasizes their brilliance.