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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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1.05ct White Rainbow Moonstone, Round, Transparent

7 mm (calibrated)

$ 33.47

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1.48ct Orange Zircon, Oval, VVS

8 x 6 mm (calibrated)

$ 40.54

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1.25ct Multicolor Black Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 32.87

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1.37ct Green Sphene, Oval, VS-SI

8 x 5.7 mm

$ 48.90

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1.17ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 38.45

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1.77ct Multicolor Labradorite, Round, Translucent

7 mm (calibrated)

$ 3.80

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1.28ct Orange Hessonite Garnet, Emerald Cut, VS

7 x 5 mm (calibrated)

$ 19.03

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1.61ct Orange Hessonite Garnet, Emerald Cut, VS-SI

7 x 5 mm (calibrated)

$ 26.46

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1.06ct Purple Spinel, Cushion, VVS

6.8 x 6.1 mm

$ 105.58

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1.92ct Red Almandine Garnet, Oval, VS

9 x 7 mm (calibrated)

$ 71.71

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1.61ct Pink Tourmaline, Oval, VVS-VS

7.1 x 6.6 mm

$ 246.95

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1.76ct Green Sphene, Oval, Transparent

8.1 x 6.3 mm

$ 8.76

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1.57ct Green Tourmaline, Oval, Transparent

8 x 6 mm (calibrated)

$ 26.01

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1.13ct Pink Morganite, Round, VS

7 mm (calibrated)

$ 86.66

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1.50ct Yellow Citrine, Emerald Cut, VVS-VS

8 x 6 mm (calibrated)

$ 11.95

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1.16ct Gray Sillimanite Cat'S Eye, Oval, Transparent

6.4 x 5 mm

$ 3.47

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1.68ct Violet Amethyst, Trillion, VS

9 x 9 mm (calibrated)

$ 12.89

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1.45ct Purple Spinel, Cushion, VS

7.1 x 6.6 mm

$ 91.50

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1.94ct Green Sphene, Oval, Transparent

8.5 x 6.8 mm

$ 9.66

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1.24ct Purple Spinel, Cushion, VS

6.6 x 6 mm

$ 74.10

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1.83ct Red Ruby, Oval, VS

8 x 6 mm (calibrated)

$ 54.68

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1.17ct Yellow Citrine, Round, VVS

7 mm (calibrated)

$ 9.32

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1.33ct Red Ruby, Oval, VS-SI

7 x 5 mm (calibrated)

$ 976.32

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1.30ct Pink Tourmaline, Oval, Transparent

8 x 6 mm (calibrated)

$ 21.55

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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

Very good. I have made several purchases as a collector over the years, and have never been dissapointed in the selection, process, or delivery.

Posted By Schmoove in August, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I purchased 4 gemstones in different sizes to be able to make a family ring for my granddaughter. I got exactly what I saw and they are absolutely beautiful! Shipping was quick compared to other gem stores I have dealt with! I will definitely order more stones from your company, as I am a collector and have several stones. You are my new go to company in the future

Posted By Liz in June, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

They have a wonderful selection of gems of all sorts, shapes, cuts, and quality. I am very particular about the quality of stones I buy, and found many with VVS clarity and excellent cut and polish. I am thrilled with each of the stones I purchased, and would definitely recommend GemSelect to everyone.

Posted By Debsarabs in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I found the filter options excellent. Yours was the third site I visited (asked chat got for reputable online sellers of loose gems) and the first I purchased from as I was able to easily find what I was looking for.

Posted By Kelly in May, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

It was great!

Posted By Annie in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was all good

Posted By Debsarabs in February, 2026
Source: Bizrate
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