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Home Gemstones Single Center Stones

Single Center Stones

Browse natural loose gemstones suited for single center-stone jewelry, from classic ring and pendant designs to custom one-of-a-kind settings.

Single Center Stones Weight
Single Center Stones Size
Single Center Stones Clarity
Single Center Stones Price
Single Center Stones Treatment

Size Explained

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For Example: 6-7
For Example: 8-9
Bi-color Single Center Stones
Black Single Center Stones
Blue Single Center Stones
Brown Single Center Stones
Golden Single Center Stones
Gray Single Center Stones
Green Single Center Stones
Multicolor Single Center Stones
Orange Single Center Stones
Pink Single Center Stones
Purple Single Center Stones
Red Single Center Stones
Turquoise Single Center Stones
Violet Single Center Stones
White Single Center Stones
Yellow Single Center Stones
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2.55ct Orange Hessonite Garnet, Emerald Cut, SI

8 x 6 mm (calibrated)

$ 35.06

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0.67ct Purple Sapphire, Pear Shape, VVS-VS

6.6 x 4.5 mm

$ 183.51

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7.36ct Pink Rose Quartz, Emerald Cut, Transparent

11 x 11 mm (calibrated)

$ 33.60

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1.57ct Green Kornerupine, Trillion, VS-SI

10.3 x 7.4 mm

$ 86.00

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1.58ct Purple Spinel, Marquise, VS

10.6 x 5.8 mm

$ 93.57

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1.32ct Brown Diamond, Pear Shape, SI

8.3 x 5.4 mm

$ 2,569.29

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12.80ct Yellow Quartz, Emerald Cut, VVS

16 x 16 mm (calibrated)

$ 70.12

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15.33ct Yellow Quartz, Trillion, Transparent

16 x 16 mm (calibrated)

$ 58.80

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12.53ct Yellow Quartz, Round, Transparent

16 mm (calibrated)

$ 50.25

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14.80ct Yellow Quartz, Emerald Cut, VVS-VS

15 x 15 mm (calibrated)

$ 81.07

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4.82ct Green Emerald, Emerald Cut, VS-SI

11.5 x 9.3 mm

$ 13,229.71

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9.76ct Brown Smoky Quartz, Marquise, VS

18.9 x 13 mm

$ 26.73

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1.52ct Pink Morganite, Round, VS

7.5 mm (calibrated)

$ 97.14

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4.74ct Green Sapphire, Oval, VVS-VS

11.4 x 9.2 mm

$ 2,153.97

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1.13ct Purple Spinel, Cushion, VS

6.5 x 5.5 mm

$ 67.01

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1.59ct Red Ruby, Oval, VS-SI

6.9 x 6.1 mm

$ 1,016.17

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1.61ct Purple Spinel, Pear Shape, VS

9.3 x 6.3 mm

$ 113.63

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1.66ct Red Ruby, Marquise, VS-SI

9.4 x 5.1 mm

$ 964.46

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13.20ct Pink Rose Quartz, Emerald Cut, Transparent

14 x 14 mm (calibrated)

$ 60.26

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23.18ct White Rainbow Moonstone, Square, Transparent

16 x 16 mm (calibrated)

$ 415.57

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28.80ct Green Emerald, Emerald Cut, SI

19 x 19 mm (calibrated)

$ 15,133.47

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1.37ct Yellow Sillimanite, Oval, VS

8 x 6 mm (calibrated)

$ 52.54

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5.89ct Brown Cat'S Eye Opal, Oval, Translucent

13.7 x 10.5 mm

$ 32.27

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1.67ct Brown Diamond, Round, SI

7.5 mm (calibrated)

$ 3,603.86

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Why Buy Single Center Stones from GemSelect?

Shop Natural Gemstones for a Focal Design

A single center stone is the main gemstone in a jewelry design. Whether it will be set in a solitaire ring, a pendant, a statement cocktail ring or a custom mounting, the center gem sets the tone for the finished piece. This category brings together natural loose gemstones that work well as the primary visual focus of a design.

Choose by Shape, Color and Presence

Center stones are often selected for their balance of beauty, size and wearability. Round, oval, cushion, pear, emerald-cut, trillion and other shapes can each create a different style. Color is equally important: vivid, subtle, deep or pastel tones can change the entire character of a design. Use the gemstone details to compare measurements, carat weight, clarity, cut and overall appearance before choosing the stone that best fits your project.

Natural loose gemstones suitable for single center stone jewelry

For Rings, Pendants and Custom Jewelry

Single center stones are a flexible choice for many types of jewelry. A well-proportioned gem can stand alone in a simple setting, while a more dramatic stone may be paired with accent gems or decorative metalwork. If you are working with a jeweler, the loose gemstone’s dimensions are especially important for planning the setting and final design.

Review the Gem Details Before Buying

Every gemstone type has its own character, including differences in hardness, brilliance, transparency and typical inclusions. For jewelry that will be worn often, consider the intended use as well as the gem’s durability. Always check the individual product information for measurements, shape, treatment notes and other specifications relevant to your purchase.

Single Center Stone FAQs

What is a single center stone?

A single center stone is the main loose gemstone intended to be the focal point of a jewelry piece, such as a ring, pendant or custom design.

How do I choose the right size center stone?

Look at the gemstone’s millimeter measurements as well as carat weight. Two stones with the same carat weight can face up differently depending on shape, cut and gemstone type.

Which gemstone shapes are popular for center stones?

Round, oval, cushion, pear, emerald-cut and trillion shapes are common choices, but the best shape depends on the setting style and the look you prefer.

Can these stones be used for engagement rings?

Many natural gemstones can be used in engagement-style rings, but durability varies by gem type. For everyday wear, discuss setting protection and gemstone suitability with your jeweler.

Should I buy the stone before the setting?

For custom jewelry, many buyers choose the loose center stone first so the setting can be made to fit its exact shape and measurements.

GemSelect Certified Store Reviews

GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!

Overall Rating -> 10 star ratings

Very good place to buy gemstones

Posted By Elansary in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Maneuvering through the website was easy and enjoyable. I have ordered from GemSelect before and that experience was also pleasant.

Posted By Willow in August, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I have shopped at Gemselect for nearly 20 years. I especially like that you see pictures of the exact gem you are purchasing. You are a trusted source.

Posted By DNaber in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Always get a nice gemstone. Just like the picture. Never disappointed

Posted By Ron T in June, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

On the clarity options it goes "and better" so if youre looking for si specifically and you click si and better it still shows you basically everything. It just removes the opaques. Itd be nice if it was vs only, vss only, si only, etc

Posted By Iamnotakrustykrab in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

The process was pleasant, I chose to purchase the stone traditional to the month of March as it is the month in which I was born.

Posted By Maharishi in June, 2026
Source: Bizrate
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