

January
Garnet
Garnet is a whole family, not one stone.
Zodiac
Capricorn · Aquarius
Birthstone quality
Protection
THE GEMSTONE CABINET
Twenty-eight stones, each with a short buyer’s guide.

GarnetA family of minerals. Think of garnet by its color.
AmethystRich velvety purple. Even color with no zoning is prized.
AquamarineColor meets clarity. The best are deep blue and clean.
DiamondSmall shifts in color, cut and clarity change the value.
EmeraldEmerald is about color. Subtle shifts change the value.
PearlJudged on size, shape, color, luster and surface.
RubyCan command the highest prices of any colored gem.
PeridotThe best is a rich grass green with no brown.
SapphireThe best-known blue gem. Tough and found in most colors.
OpalLike snowflakes, no two opals are the same.
TopazEach color is judged on its own. Imperial is rare.
TanzaniteIntense violet-blue drives the value. Paler is common.
Fancy Color DiamondHere color is the star. Stronger hues are rarer.
AlexandriteJudged by its color change, green to red.
CitrineSaturated yellow to reddish orange, free of brown.
IoliteSaturated violet to blue is its finest color.
Lapis LazuliThe finest is even blue, free of white calcite.
MorganiteSoft pink, purplish pink or orangy pink.
SunstoneDeep reds, greens and bicolors are the finest.
TourmalineEvery hue of the rainbow, from electric blue to olive.
TurquoiseJudged on color, texture and matrix.
AmberFossil resin. Warm color with a story inside.
JadeJadeite or nephrite. Color, texture plus translucency.
MoonstoneA blue sheen that moves across the stone.
SpinelVivid red, pink or blue. A gem in its own right.
ZirconBright sparkle plus fire. Not cubic zirconia.
AmetrinePurple plus gold in a single quartz.
KunziteDelicate pink to violet. Best kept out of strong sun.Swipe to see other stones