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Home Gemstones 1-2 ct Center Stones

1–2 ct Center Stones

Browse natural loose gemstones in the 1–2 carat range for center-stone jewelry, with options for rings, pendants and custom designs in a wide choice of colors and shapes.

1-2 ct Center Stones Weight
1-2 ct Center Stones Size
1-2 ct Center Stones Clarity
1-2 ct Center Stones Price
1-2 ct Center Stones Treatment

Size Explained

Choose Size or Size Range
For Example: 6-7
For Example: 8-9
Bi-color 1-2 ct Center Stones
Black 1-2 ct Center Stones
Blue 1-2 ct Center Stones
Brown 1-2 ct Center Stones
Golden 1-2 ct Center Stones
Gray 1-2 ct Center Stones
Green 1-2 ct Center Stones
Multicolor 1-2 ct Center Stones
Orange 1-2 ct Center Stones
Pink 1-2 ct Center Stones
Purple 1-2 ct Center Stones
Red 1-2 ct Center Stones
Turquoise 1-2 ct Center Stones
Violet 1-2 ct Center Stones
White 1-2 ct Center Stones
Yellow 1-2 ct Center Stones
Single
Pairs
Lots
Faceted
Cabochons
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1.77ct Green Sphene, Oval, Translucent

7.2 x 6.1 mm

$ 8.81

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1.17ct Violet Sapphire, Cushion, VVS

7 x 5 mm (calibrated)

$ 384.56

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1.02ct Orange Hessonite Garnet, Emerald Cut, VS

7 x 5 mm (calibrated)

$ 18.73

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1.26ct White Zircon, Round, VVS-VS

6 mm (calibrated)

$ 37.27

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1.18ct Yellow Citrine, Round, VVS-VS

7 mm (calibrated)

$ 7.84

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1.39ct Yellow Citrine, Round, VVS

7 mm (calibrated)

$ 11.07

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

5.9 x 4.8 mm

$ 48.10

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1.52ct Green Tourmaline, Emerald Cut, VVS-VS

18.8 x 3.3 mm

$ 39.97

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1.12ct Yellow Citrine, Round, VVS

7 mm (calibrated)

$ 7.44

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1.19ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 35.56

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1.78ct Multicolor Labradorite, Pear Shape, Translucent

9 x 6 mm (calibrated)

$ 3.93

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1.70ct Blue Topaz, Emerald Cut, VVS

8 x 6 mm (calibrated)

$ 13.55

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1.23ct Yellow Citrine, Emerald Cut, VVS-VS

8 x 6 mm (calibrated)

$ 9.80

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1.20ct Green Tourmaline, Emerald Cut, VVS-VS

15.3 x 3.1 mm

$ 31.56

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1.13ct Purple Spinel, Oval, VS

6 x 5.5 mm

$ 125.06

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1.78ct Green Tourmaline, Emerald Cut, VS

17.1 x 3.5 mm

$ 46.80

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1.46ct Green Tourmaline, Cushion, VVS-VS

7.4 x 5.4 mm

$ 169.65

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1.16ct Black Onyx, Round, Opaque

6.5 mm (calibrated)

$ 2.31

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1.72ct Red Ruby, Pear Shape, VS-SI

8 x 6 mm (calibrated)

$ 154.18

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1.44ct Multicolor Opal, Pear Shape, Transparent

11.3 x 8.3 mm

$ 67.84

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1.91ct Red Ruby, Emerald Cut, VS-SI

10 x 4.8 mm

$ 171.21

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1.09ct Purple Rhodolite Garnet, Oval, VS

7 x 5 mm (calibrated)

$ 28.95

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1.42ct Yellow Beryl, Round, VS

7 mm (calibrated)

$ 28.29

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1.48ct Yellow Moonstone, Round, Transparent

7 mm (calibrated)

$ 8.11

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Why Buy 1-2 Ct Center Stones from GemSelect?

Natural Gemstones for a Balanced Center Stone

The 1–2 carat range is a popular choice for customers who want a gemstone with noticeable presence without moving into oversized proportions. These loose gems can work beautifully as the main stone in an engagement ring, cocktail ring, pendant or custom jewelry design, depending on the gem type, cut and setting style.

Because gemstones have different densities, carat weight does not translate to the same face-up size in every variety. A 1.50 ct sapphire, garnet, spinel, tourmaline or quartz may each look different in millimeter dimensions, even at the same weight. For the best fit, compare the listed length, width and depth as well as the carat weight.

Choosing Shape, Color and Cut

Center stones in this size range are available in many classic and modern shapes, including oval, round, cushion, pear, trillion, emerald cut and other faceted styles. Oval and cushion shapes often give a generous face-up look, while rounds offer symmetry and traditional appeal. Step cuts can emphasize clarity and calm flashes of light, while mixed and brilliant cuts can bring out sparkle and color.

Color is often the first feature shoppers notice. Rich blues, greens, pinks, reds, purples, yellows and neutral tones can all create a different jewelry mood. When comparing stones, consider the hue, tone and saturation alongside the overall cut and clarity, since all of these details affect the final appearance of the finished piece.

Natural loose gemstones suitable for 1–2 ct center stones

Fit for Rings and Custom Jewelry

A 1–2 ct gemstone can make a strong center point in a solitaire design, pair well with side stones, or sit inside a halo setting for extra visual impact. Before choosing a setting, share the gemstone’s exact measurements with your jeweler so the design can be made to fit the stone securely.

If the gemstone will be worn often, think about durability as well as beauty. Some gem varieties are better suited to everyday rings, while others may be ideal for pendants, earrings or occasional-wear pieces. Review each product page carefully for the stone’s measurements, shape, clarity notes and any listed treatment information.

How to Compare 1–2 ct Loose Gems

Start by deciding whether size, color, rarity, durability or budget is most important for your project. Then compare stones within the same general style, checking the face-up dimensions, depth, shape outline and overall color appeal. A slightly smaller gemstone with excellent color and pleasing proportions may be a better choice than a heavier stone that does not suit the design.

Loose gemstones give you flexibility because you can select the exact stone before a ring or pendant is built around it. This makes the 1–2 carat category especially useful for custom jewelry shoppers who want a distinctive natural center stone.

FAQs About 1–2 ct Center Stones

Is a 1–2 ct gemstone a good size for a center stone?

Yes. Many shoppers choose this range because it offers visible presence while still fitting a wide variety of ring and pendant designs. The final look depends on the gem variety, shape and millimeter dimensions.

Does every 1–2 ct gemstone look the same size?

No. Different gemstones have different densities, so two stones with the same carat weight may have different face-up sizes. Always compare the listed measurements in millimeters.

Which shapes work well for center stones?

Oval, round, cushion, pear, emerald cut and other symmetrical shapes are commonly used as center stones. The best choice depends on the setting style, finger coverage and the look you prefer.

What should I check before buying a loose center stone?

Review the carat weight, dimensions, shape, color, clarity and any product-specific notes. If the stone is intended for a ring, ask your jeweler to confirm that the dimensions are suitable for the planned setting.

Can colored gemstones be used instead of diamonds for center stones?

Yes. Natural colored gemstones are often chosen for unique center-stone jewelry because they offer a broad range of colors, shapes and styles. Consider durability and wear habits when selecting a gem for everyday use.

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

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

Posted By Ron T in June, 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

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

overall great

Posted By SR in April, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Absolutely love Gem Select. I always know the quality and accuracy of information and photos are top notch. Highly recommend!

Posted By Matthew K. in May, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

Always a good quality stone. Priced fairly and shipped promptly. Answers emails quickly

Posted By Ron T in November, 2025
Source: Bizrate
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