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Diamonds purchased from McGivern Diamonds are 100% refundable, satisfaction is guaranteed. We are NOT an internet business, rather a wholesaler/manufacturer.
We have been in the same location for 30 years. We accept Visa, Mastercard, Discover and American Express, and we do not charge sales tax on orders shipped outside Ohio.
Feel free to call us with a group of diamonds, and we will be glad to provide personal recommendations and expert opinions to make your selection easier.
GIA is the industry standard throughout the world for grading accuracy.
They are an education lab, with no interest on where, or even if you purchase a diamond.
This is the best assurance of accuracy that exists. A diamond with a GIA grading report,
or GIA certified diamond, is the highest standard.
EGL's grading system looks similar to that of GIA's, but is actually quite different.
A good guideline is to subtract one clarity grade and three to four color grades from the
EGL grade to get the true GIA grade. For example, we would expect an EGL VS-2 H to grade
SI-1 K/L if sent to GIA. Nothing wrong with buying an EGL stone, as long as you understand this and pay accordingly.
Lab Grown diamonds are identical to mined diamonds sharing the same physical,
chemical and optical properties as their mined counterparts.
The only difference is the origin. They are grown in a lab.
All are IGI certified, and laser inscribed with certificate numbers.
Most diamonds we sell have a GIA Grading Report (referred to in the
industry as a GIA certified diamond). Allow us to provide an explanation of
The simple fact is all jewelers cannot sell the same diamond
for the best price, but they still must make it appear that way. Thus many
other certificates exist that are far from accurate, and it appears you are
getting the same grade diamond, for much less money. In the end, the real
question is, just because some certificate states the diamond is a certain
grade, will GIA agree? Most likely not, thus these other certificates can
be discounted quite substantially, depending on how inaccurate they are.
There is nothing wrong with buying a non GIA stone, as long as you
understand this and pay accordingly.
Rule of thumb is to subtract one clarity grade and three to four color
grades from the EGL grade to get the true GIA grade. For example, we would
expect an EGL VS-2 H to grade SI-1 K/L if sent to GIA. Nothing wrong with
buying an EGL stone, as long as you understand this and pay accordingly.
Click here for detailed cut grade information and information on above terms