Natural oval diamonds whose GIA report records brown — a notation beside the colour letter, or a fancy grade where brown is the dominant colour. Every stone is read from its own GIA grading report. The comparison price on each card is what a similar near-colourless (G–H) diamond lists for, not a former price.
Step cuts show a champagne tint evenly, brilliants scatter it. Shape-by-shape counts and median prices from 2,822 stones at nine retailers.
How metal choice, halos and bezels change the way a champagne diamond reads, plus real carat-band prices from 2,822 verified natural brown diamonds.
Choosing among the 334 brown ovals indexed here: how length-to-width ratio moves the tint to the ends, and how to judge a bow-tie from video.