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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

Choose Size or Size Range
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
Single
Pairs
Lots
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0.45ct Blue Kyanite, Round, SI

4.3 mm

$ 11.21

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1.47ct Orange Moonstone, Marquise, Translucent

10.2 x 5.4 mm

$ 2.93

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0.63ct Yellow Color-Change Diaspore, Pear Shape, VVS-VS

8.8 x 3.8 mm

$ 22.09

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0.96ct Multicolor Black Opal, Cushion, Translucent

10.7 x 5.3 mm

$ 29.22

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2.93ct Blue Tanzanite, Oval, Transparent

10 x 8 mm (calibrated)

$ 23.35

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0.49ct Green Peridot, Marquise, VS

8 x 4 mm (calibrated)

$ 7.32

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1.68ct White Zircon, Round, VS-SI

7 mm (calibrated)

$ 46.02

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5.25ct Yellow Citrine, Oval, VVS-VS

13.4 x 10.5 mm

$ 40.27

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0.86ct Blue Sapphire, Cushion, VS-SI

5.6 x 4.6 mm

$ 68.52

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2.64ct Multicolor Opal, Oval, Transparent

12 x 10 mm (calibrated)

$ 65.74

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1.78ct Orange Moonstone, Square, Translucent

7 x 7 mm (calibrated)

$ 3.57

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3.90ct Multicolor Opal, Oval, Transparent

12 x 10 mm (calibrated)

$ 98.05

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2.13ct Yellow Rutile Quartz, Pear Shape, Translucent

10.1 x 7.4 mm

$ 5.74

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6.70ct Black Nuummite, Oval, Opaque

14 x 12 mm (calibrated)

$ 27.49

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34.49ct Multicolor Agate, Round, Opaque

14 mm (calibrated)

$ 34.35

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0.68ct Pink Malaya Garnet, Round, VS

5 mm (calibrated)

$ 29.80

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1.37ct Green Tourmaline, Emerald Cut, VS

15.7 x 3 mm

$ 33.02

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1.84ct Multicolor Opal, Oval, Translucent

10.8 x 8.2 mm

$ 45.82

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3.54ct Multicolor Opal Triplet, Oval, Opaque

14 x 10 mm (calibrated)

$ 88.15

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0.61ct Red Pyrope Garnet, Heart, VS

5 x 5 mm (calibrated)

$ 15.19

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1.25ct Orange Moonstone, Marquise, Translucent

10.1 x 5.3 mm

$ 2.49

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0.82ct Blue Topaz, Oval, VVS

7 x 5 mm (calibrated)

$ 5.72

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5.68ct Violet Amethyst, Oval, Transparent

14.6 x 10.6 mm

$ 39.60

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2.01ct Yellow Apatite, Cushion, VS

10 x 7 mm (calibrated)

$ 103.50

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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

The citrine gems are beautiful. I appreciated that each stone was individually shown on the website so I could see exactly what I was getting. No mystery person selecting random stones for me. The documentation included with each gem was high quality as well. Great price and arrived as expected.

Posted By Jen in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was all good

Posted By Debsarabs in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

My current project is something BLUE . Opal earrings with matching tennis bracelet for her wedding. The opals and sixty two sapphires VVS & VS are AMAZINGLY BEAUTIFUL. The private jewelers were impressed by the clarity and inclusion free of the sapphires . I want to say thank you for the High quality sapphires that I purchased for my daughtera's wedding.

Posted By My real name Dean or Wandering about in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Fairly good selection of calibrated gems but would like to see more in various sizes, esp rounds,

Posted By Eddie in August, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

My experience has always been fantastic. Today I saved 6 gems to email a customer looking for a particular color blend to fit into an east west setting, so her options were limited, but we found one she wanted, deleted all the others in the cart and order the gem she selected. It was helpful to be able to put them in the cart so I could save them until she selected the one she wanted without having to research all of them again.

Posted By RJ in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

This was my first experience with this company. I had no difficulty finding the item I wanted, and checking out was a breeze! Ia'm hoping my item arrives quickly, intact, and of good quality. Overall, this was a very satisfactory experience.

Posted By Gem connoisseur in August, 2026
Source: Bizrate
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