for calibrated gems are produced by manufacturers around the world.
The standardization of sizes helps to reduce costs and increase
customization options for consumers.
for calibrated gems are produced in a variety of metals and colors. Yellow
gold, rose gold, white gold, sterling silver, platinum, and non-precious
"jewelers metal" jewelry components are the most popular.
month's article on precision cut gemstones prompted more than one reader
to ask about jewelry employing calibrated stones. That's why this article
will address calibration from another angle.
gem faceted by a lapidary in Sri Lanka in a calibrated size can be set
into a calibrated ring mounting manufactured in Texas with good results.
The gem will fit precisely between the prongs without extraordinary effort
on the part of the jeweler at the workbench.
stores and independent jewelry dealers such as those buying stones from
The Dorado Company have access to jewelry mountings produced by several
companies and studios..
The jewelry store may buy several
mountings just alike and set each with a different gem variety. An royal
purple amethyst in one, a rich golden citrine in another, and a striking
pink rhodolite garnet in still another, offers variety and a degree of
customization in a similar price point.
The independent jewelry
dealer may also put together calibrated gems and mountings for stock and
display. Their necessarily smaller inventory will be supplemented by
electronic or print catalogs offering a variety of styles and metals.
The possibilities are nearly
limitless. Questioning the customer about the jewelry piece they want is a
necessary beginning step. A ring? Earrings? Necklace? Gold, silver, or...?
Birthstone or favorite gem? Price range? These questions will help the
dealer and the customer home in on an appropriate piece of jewelry.
the customer picks a piece with accents, another question or two is in
order... Should the accent stones be diamonds, colored gems, or natural
white gems such as sapphire or topaz?. As always, price range may guide
for calibrated gems with accent gems already set are also a possibility.
These are known as semi-mounts. These days, most semi-mounts are produced
in countries where significantly lower wages are the norm.
in countries with pay scales lower than the USA, an accomplished gem
setter earns relatively high pay.
believe this discussion answers most of the questions received - except
What are the standard (calibrated) sizes for the gem and jewelry industry?
The chart below shows the standard sizes (in millemeters) for the most
popular gem shapes.
2. Who decided what the standard sizes
for calibrated gems are produced in accordance with standards adopted by
business people and craftsmen operating in a free market environment. The
standards were not put in place by any central government planner.
Top - Yellow gold three stone
Next - Sterling silver ladies
Next - Sterling silver ladies ring
mounting set with white colored gems
- Platinum earring mounting for a center stone and accent gems
Next - The same platinum earring
mounting, set with a sapphire center stone and diamond accents
- Wedding ring semi-mount with diamonds
Special Offer - Baroque
Next - Dealer Product Image - Chrome Diopside and White
Topaz Ring in Sterling
Last - Dealer Program Image - Pink Spinel and Sterling
A Google search using keywords such as calibrated faceting
or gemstone critical angle can return some very interesting
information and websites.
Here is this month's special gem deal. I have strands of
beautiful, lustrous, casual pearls in several lengths. Pearl admirers call them
baroque pearls, or potato pearls Compared to rice pearls, these are much larger.
As you can see in the photo, these quality pearls are uniform in
color and display outstanding lustre.
We keep gem prices low by buying quality gemstone rough
worldwide, and having the rough material cut by our gem cutters in Asia.
Gem Industry News
Tiffany’s Largest Shareholder
Qatar, a tiny sovereign country on the Arabian Peninsula and the
Persian Gulf, has become the largest shareholder in Tiffany & Co. Qatar
purchased 6.5 million shares, or slightly less than 5.2%, of Tiffany stock
through its investment arm, Qatar Holdings.
Qatar was once known as a prolific source of natural pearls from the
Persian Gulf. Now its wealth comes primarily from oil, natural gas, and financial
Tiffany & Co. is itself a holding company. The Tiffany website says
the company "operates through its subsidiary companies (the
"Company"). The Company's principal subsidiary, Tiffany and
Company, is a jeweler and specialty retailer, whose merchandise offerings
include an extensive selection of jewelry (91% of net sales in fiscal
2011), as well as timepieces, sterling silverware, china, crystal,
stationery, fragrances and accessories. Through Tiffany and Company and
other subsidiaries, the Company is engaged in product design,
manufacturing and retailing activities."
Las Vegas Jewelry and Gem
The Las Vegas trade shows are coming. Make your plans and hotel
GLDA Las Vegas Show -- May 30 - June 2, 2012
The 13th Annual G.L.D.A. Las Vegas Gem & Jewelry trade show will be
held in the fabulous 90,000 square foot, $120 million dollar "Mirage
Events Center", The Mirage Casino-Hotel is located on the strip in
Las Vegas across from the Sands Convention & Expo Center.
AGTA GemFair -- May 31, 2012 - June 4, 2012
The 2012 AGTA GemFair™ at the JCK Las Vegas Show is
located in the South Pacific and Islander Ballrooms in the Mandalay Bay
JCK Las Vegas Show -- June
1 - June 4, 2012
Access the best selection of products in the jewelry industry at JCK
Las Vegas. See all your favorites under one roof while building and
sustaining relationships with more than 2500 participating companies from
From a supply perspective, now is the time to replenish your depleted inventory.
If you have some money to invest in inventory - there are deals to be had.
And you should have some cash. After all, that depleted inventory was sales.
From a sales perspective, gift giving occasions have not disappeared. Birthdays,
anniversaries, and many other reasons to give nice jewelry at a great price just
keep on coming. Your customers (and their friends) need what you offer!
A market where people perceive they should spend less fits right into your
Be The Quality Jewelry Discounter.
Do you enjoy jewelry and gems?
Do you enjoy talking with friends and friends