What makes a stone a gem?
Beauty, rarity and durability.
Consider what stone you’re using for
the type of jewellery you’re making. i.e. harder stones for rings
When using a weaker stone, consider their cut and how they’re set.
Toughness = internal / hardness = external = resistance to wear and
tear
Less harder stones are not likely to have sharp and aligned
facets.
Harder stones tend to be more reflective.
It’s not a
typical practice to disclose oiling and glass filling to customers.
Straight colour bending = natural / curved = artificial
Inform
your buyers about the appropriate care from water, oil from skin, heat,
etc.
Diamond
Once they exhaust the land they leave the site behind.
You
loose more than 50 percent of the rough diamond in the cutting process
which then are not wasted but used by other industries. i.e. diagrit
Light
reflection should come out through the top.
Modern round brilliant
cut is the most popular.
Colour grading and clarity grading
Growing demands for synthetic diamonds.
You can artificially
enhance the colour of mined diamonds.
All diamonds coming
in to the uk are meant to be ethical but that could be a superficial
marketing tactic.
All synthetic diamonds should be laser etched on
the girdle.
Lecturer prefers mined stones to lab grown ones.
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