Buy 13 mm Round Calibrated Gemstones from GemSelect

Item Description
Stone Type:	Loose Quartz
Quartz Weight:	6.83 ct Quartz
Quartz Shape:	Diamond-Cut Quartz
Quartz Size:	12.9 mm Quartz
Quartz Color:	White Quartz
Quartz Clarity:	VVS Quartz
Quartz Origin:	Brazil Quartz
Quartz Treatment:	Untreated
Quartz Quantity:	1
Quartz Certificate:	GemSelect
Product Description:

Item Description
Stone Type:	Loose Quartz
Quartz Weight:	7.59 ct Quartz
Quartz Shape:	Diamond-Cut Quartz
Quartz Size:	12.9 mm Quartz
Quartz Color:	White Quartz
Quartz Clarity:	VVS-VS Quartz
Quartz Origin:	Brazil Quartz
Quartz Treatment:	Untreated
Quartz Quantity:	1
Quartz Certificate:	GemSelect
Product Description:

Item Description
Stone Type:	Loose Quartz
Quartz Weight:	7.50 ct Quartz
Quartz Shape:	Diamond-Cut Quartz
Quartz Size:	12.7 mm Quartz
Quartz Color:	White Quartz
Quartz Clarity:	VVS-VS Quartz
Quartz Origin:	Brazil Quartz
Quartz Treatment:	Untreated
Quartz Quantity:	1
Quartz Certificate:	GemSelect
Product Description:

Item Description
Stone Type:	Loose Quartz
Quartz Weight:	6.89 ct Quartz
Quartz Shape:	Diamond-Cut Quartz
Quartz Size:	12.8 mm Quartz
Quartz Color:	White Quartz
Quartz Clarity:	VVS Quartz
Quartz Origin:	Brazil Quartz
Quartz Treatment:	Untreated
Quartz Quantity:	1
Quartz Certificate:	GemSelect
Product Description:

Item Description
Stone Type:	Loose Quartz
Quartz Weight:	6.95 ct Quartz
Quartz Shape:	Diamond-Cut Quartz
Quartz Size:	12.7 mm Quartz
Quartz Color:	White Quartz
Quartz Clarity:	VVS Quartz
Quartz Origin:	Brazil Quartz
Quartz Treatment:	Untreated
Quartz Quantity:	1
Quartz Certificate:	GemSelect
Product Description:

Item Description
Stone Type:	Loose Quartz
Quartz Weight:	8.90 ct Quartz
Quartz Shape:	Diamond-Cut Quartz
Quartz Size:	13.2 mm Quartz
Quartz Color:	White Quartz
Quartz Clarity:	VVS-VS Quartz
Quartz Origin:	Brazil Quartz
Quartz Treatment:	Untreated
Quartz Quantity:	1
Quartz Certificate:	GemSelect
Product Description:

Item Description
Stone Type:	Loose Quartz
Quartz Weight:	8.79 ct Quartz
Quartz Shape:	Diamond-Cut Quartz
Quartz Size:	13.5 mm Quartz
Quartz Color:	White Quartz
Quartz Clarity:	VVS-VS Quartz
Quartz Origin:	Brazil Quartz
Quartz Treatment:	Untreated
Quartz Quantity:	1
Quartz Certificate:	GemSelect
Product Description:

Item Description
Stone Type:	Loose Quartz
Quartz Weight:	7.05 ct Quartz
Quartz Shape:	Diamond-Cut Quartz
Quartz Size:	12.8 mm Quartz
Quartz Color:	White Quartz
Quartz Clarity:	VVS Quartz
Quartz Origin:	Brazil Quartz
Quartz Treatment:	Untreated
Quartz Quantity:	1
Quartz Certificate:	GemSelect
Product Description:

Item Description
Stone Type:	Loose Quartz
Quartz Weight:	7.29 ct Quartz
Quartz Shape:	Diamond-Cut Quartz
Quartz Size:	12.9 mm Quartz
Quartz Color:	White Quartz
Quartz Clarity:	VVS Quartz
Quartz Origin:	Brazil Quartz
Quartz Treatment:	Untreated
Quartz Quantity:	1
Quartz Certificate:	GemSelect
Product Description:

Item Description
Stone Type:	Loose Quartz
Quartz Weight:	7.37 ct Quartz
Quartz Shape:	Diamond-Cut Quartz
Quartz Size:	12.9 mm Quartz
Quartz Color:	White Quartz
Quartz Clarity:	VVS Quartz
Quartz Origin:	Brazil Quartz
Quartz Treatment:	Untreated
Quartz Quantity:	1
Quartz Certificate:	GemSelect
Product Description:

Some people by gems by color or price, but for many, it is best to buy gems by shape and size - especially if you're in need of a gem to replace a previous item that was lost or damaged. Calibrated Round shapes, facet cut and cabochon gems available now in 13 mm diameter size range. Shop a wide range of calibrated gemstones by size online at wholesale from GemSelect.

As a general guideline, when it comes to 'calibrated' gems, they are not usually expected to be cut to exact measurements. For calibrated gemstones weighing under one carat, most jewelry settings will accommodate a gem which is within 0.2 mm of the calibrated size in order to fit a standard setting. For gemstones that weigh over one carat, a larger variance is acceptable, often around 0.3 mm or slightly higher even. This small variance can usually be accommodated for standard style settings. Round-cut gemstones should also have a greater variance in acceptable size when it comes to calibration; in fact it is usually possible to mount a round stone of any size in the closest standard setting.

Read All

Gemstone Information

Over 19 Years in the Gemstone Business!

Thank you for trusting us with your purchase!

Overall Rating -> 10

this was very easy im exited to get my order

Posted By Mr. in April, 2024

Source: Bizrate

Overall Rating -> 9

Easy to use. Limited supply of higher quality gemstones.

Posted By Newfguy in February, 2024

Source: Bizrate

Overall Rating -> 10

I was looking for ammolite for my husband. Other websites are not always clear about whether they have genuine ammolite or simulated ammolite. I have purchased from GemSelect before and trust that the stones are genuine. Finding the stones I want is easy, and I love all of the search filter options!

Posted By Ana in September, 2023

Source: Bizrate

Overall Rating -> 8

purchased birthstones to be mounted into stud earrings as a gift for a friend's gift

Posted By MI photo in May, 2023

Source: Bizrate

Overall Rating -> 10

The site is very easy to use and I will continue to shop here. The quality is superb

Posted By Genia in January, 2024

Source: Bizrate

Overall Rating -> 9

I have been buy from you for years

Posted By JohnA in May, 2023

Source: Bizrate

Overall Rating -> 7

I placed order#384714 based on the picture on your website and the stone came in much darker. I'm sure it's the same stone i ordered but your lighting made it seem a lighter blue. I was trying to match a stone for a customer and based on the picture it would have been close enough but the stone in person is a mile off.

Posted By Bobk in February, 2024

Source: Bizrate

Overall Rating -> 10

blessed be the lord blessed be the saved blessed be the work blessed be the traveled i write down my good times in these stones and when times are gray i can still se the sunny days refract in these stones

Posted By Kickbass.2 in May, 2023

Source: Bizrate

Overall Rating -> 10

Love the variety of stones, sizes and the prices

Posted By Dorita in March, 2024

Source: Bizrate

Overall Rating -> 10

The gems were as described, which is kind of rare these days. I am happy with the purchase, and delevery on time.

Posted By T-bone in October, 2023

Source: Bizrate

Overall Rating -> 9

Everything was good but since I am still new I was surprised at how small the stones where.

Posted By Js in May, 2023

Source: Bizrate

Overall Rating -> 10

The website is very easy to use. The search function, filter and sort functions are very helpful.

Posted By Sboro in August, 2023

Source: Bizrate

Overall Rating -> 10

It was easy to search and find what i wanted

Posted By Gunner in November, 2023

Source: Bizrate

Overall Rating -> 10

Easy to navigate

Posted By G Funk in December, 2023

Source: Bizrate

Overall Rating -> 10

Easy to use,I have spent many hours looking at the site

Posted By Skip in November, 2023

Source: Bizrate

Selected Gemstones

Gemstones A-Z

Buy Round Shape 13 mm Gems

6.83 ct White Quartz, 12.9 mm Diamond Cut From Brazil

Natural Quartz, Qty: 1 pc | 6.83 carat weight Quartz

7.59 ct White Quartz, 12.9 mm Diamond Cut From Brazil

Natural Quartz, Qty: 1 pc | 7.59 carat weight Quartz

7.5 ct White Quartz, 12.7 mm Diamond Cut From Brazil

Natural Quartz, Qty: 1 pc | 7.50 carat weight Quartz

6.89 ct White Quartz, 12.8 mm Diamond Cut From Brazil

Natural Quartz, Qty: 1 pc | 6.89 carat weight Quartz

6.95 ct White Quartz, 12.7 mm Diamond Cut From Brazil

Natural Quartz, Qty: 1 pc | 6.95 carat weight Quartz

8.9 ct White Quartz, 13.2 mm Diamond Cut From Brazil

Natural Quartz, Qty: 1 pc | 8.90 carat weight Quartz

8.79 ct White Quartz, 13.5 mm Diamond Cut From Brazil

Natural Quartz, Qty: 1 pc | 8.79 carat weight Quartz

7.05 ct White Quartz, 12.8 mm Diamond Cut From Brazil

Natural Quartz, Qty: 1 pc | 7.05 carat weight Quartz

7.29 ct White Quartz, 12.9 mm Diamond Cut From Brazil

Natural Quartz, Qty: 1 pc | 7.29 carat weight Quartz

7.37 ct White Quartz, 12.9 mm Diamond Cut From Brazil

Natural Quartz, Qty: 1 pc | 7.37 carat weight Quartz

Gemstone Information

Gemstone SHOP

POLICIES

WHO ARE WE?

Gemstone EDUCATION

WE ARE LOCATED AT