We sometimes have people who ask us about "surprise diamonds" (or peekaboo diamonds) on engagement rings. ... You might have been able to guess, but surprise diamonds are diamonds that aren't visible on an engagement ring unless you are looking at the ring from a different angle.
What is the most expensive grade of diamond?
Flawless diamonds are by far the most expensive because of their rarity. However, you can get the look of a flawless diamond for much less if you just go a tad lower on the clarity scale. For example, VS1 and VS2 diamonds have inclusions, but they cannot be seen by the naked eye.
Are some diamonds worthless?
Diamonds are intrinsically worthless: Former De Beers chairman (and billionaire) Nicky Oppenheimer once succinctly explained, “diamonds are intrinsically worthless.” ... But many diamonds are still mined in very bad, environmentally damaging, working conditions, too often employing child labor.Oct 10, 2016