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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
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1.59ct Violet Amethyst, Marquise, VS

12 x 6.1 mm

$ 12.19

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0.42ct White Sapphire, Round, VS

4.5 mm (calibrated)

$ 55.39

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2.08ct Red Almandine Garnet, Baguette, VVS

10 x 5 mm

$ 17.26

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2.32ct Green Fluorite, Pear Shape, Transparent

10.6 x 7 mm

$ 9.25

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6.75ct Brown Smoky Quartz, Round, VVS-VS

13 mm (calibrated)

$ 11.10

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8.74ct Green Fluorite, Oval, Transparent

14 x 12 mm (calibrated)

$ 38.30

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0.69ct Blue Sapphire, Marquise, VVS-VS

8.3 x 4.2 mm

$ 161.02

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1.01ct Yellow Zircon, Oval, VVS

5.9 x 5 mm

$ 15.09

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0.88ct Blue Sapphire, Cushion, VVS

5.8 x 5.7 mm

$ 70.12

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11.84ct Multicolor Labradorite, Oval, Translucent

18 x 13 mm (calibrated)

$ 26.18

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0.51ct Red Pyrope Garnet, Heart, VVS-VS

5 x 5 mm (calibrated)

$ 12.70

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0.42ct Green Kornerupine, Pear Shape, VS

5.7 x 4 mm

$ 23.01

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18.85ct Multicolor Agate, Oval, Opaque

17.8 x 15.5 mm

$ 31.92

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1.35ct Blue Kyanite, Oval, SI

8 x 6 mm (calibrated)

$ 26.89

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2.00ct Green Sphene, Oval, Transparent

7.7 x 6.8 mm

$ 10.96

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1.98ct Green Prehnite, Oval, Transparent/Translucent

9 x 6 mm (calibrated)

$ 5.87

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1.07ct Yellow Color-Change Diaspore, Emerald Cut, VS-SI

8 x 4.4 mm

$ 52.31

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1.58ct Green Sphene, Oval, Transparent

6.9 x 6.2 mm

$ 7.87

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2.78ct Purple Kunzite, Cushion, VVS-VS

7.6 x 6.6 mm

$ 76.50

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2.20ct Green Peridot, Cushion, VS

8.5 x 7.6 mm

$ 83.17

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10.64ct Purple Star Ruby, Oval, Opaque

12 x 12 mm (calibrated)

$ 139.89

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3.59ct Pink Morganite, Pear Shape, Transparent

14.2 x 8.2 mm

$ 14.90

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2.69ct Green Prehnite, Oval, Transparent

8.9 x 7.7 mm

$ 17.35

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1.52ct Orange Hessonite Garnet, Oval, VS-SI

7.9 x 6.5 mm

$ 24.98

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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 -> 7 star ratings

Could not get it to work 25 times.

Posted By Dock in July, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Love the precise descriptions and calibrations of hte loose gemstones. Would like to have seen more variety in the size gem I was looking for.

Posted By RenoRose in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I loved it! Extensive inventory, great prices, I definitely will be buying from here again!

Posted By Lex in April, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Love how easy the site is to use. Really love that the pictures are of actual product.

Posted By LeAnn in January, 2026
Source: Bizrate

Overall Rating -> 7 star ratings

Overall the site is good to use and simple to navigate for what i needed and i liked that they are clear and detailed on the size shape and cut of the stones only input id like is for stones that have a specific refractive quality like moonstone in my case if theyd showcase the cut stones refraction so you know how it looks when buying

Posted By Revenant in August, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I was able to find what I wanted very easily!

Posted By Lenny in January, 2026
Source: Bizrate
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