Gemstones

Unheated sapphire, unheated blue sapphire, fancy colored sapphire, rubies, and large gems. See gemstones differently. Bespoke jewelry design services.
Our selection is very precise, small but coveted. We are not gem dealers. What you see here is a selection of a selection of a selection!
We offer mostly unheated gems for sale. Many are at least 5 carat, meaning they are regarded as investment gems if they satisfy gemological criteria.
We consistently select our gemstones thinking, how will an imaginative mind set this into a memorable piece of jewellery? Before we include a stone for sale here, we always know how we’d like to set it.
We are an ideal choice if you are looking for an interesting stone, and a setting intuitive to that stone.
We curate only natural stones. Every design is built by hand.

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SIJS, blue sapphire cabochon gemstone, singapore gemstone shopping, 20 ct blue sapphire, sapphire gemstone singapore, blue sapphire loose stones, blue sapphire singapore, loose sapphire gemstones for sale

26.7ct blue Ceylon sapphire cabochon with no thermal treatment.

This unheated sapphire measures a generous 19mm by 12.17mm by 10.93mm.

SG$8,500.00
SIJS, star sapphire singapore, star sapphire ring, 10 carat star sapphire, loose star sapphire gemstones, round star sapphire, loose gemstones singapore, blue sapphire singapore

10.8ct natural blue star sapphire with a bright blue color.

The rays are distinct, but better still is the blue has a very observable oceanic tone, caught in an almost all round cabochon.

SG$9,500.00
SIJS, loose gemstones singapore, loose gemstones for sale, singapore rare gemstones

11.4ct natural cat's eye chrysoberyl displaying a sharp chatoyancy.

This is the smaller of the two cat's eye chrysoberyls we have listed. It is a translucent greenish yellow that is not ...

SG$22,000.00

21.89ct natural cat's eye chrysoberyl with a superior 'Honey' color.

This high carat gem is exemplar of collector quality cat's eye.

SG$35,000.00

15.25ct natural peach morganite measuring

A soft coloured earth-mined gem, this is not pink but truly peach. It is not faint but truly pastel. If you look at enough morganites, ...

SG$4,500.00
Rare gemstones for sale, untreated aquamarine gemstone, aquamarine gemstone loose, Santa Maria aquamarine, big aquamarine stone, big gemstones for sale

Natural 78.95ct aquamarine for collector and jeweller.

This has been tested to be unheated. Most aquamarines are heated for a deeper blue.

SG$28,000.00

Rare heart cut natural alexandrite showing a good color change.

At 7.02ct, this wholly natural alexandrite displays a medium to strong color shift, depending on how vivid the incandescent lighting is.

See ...

SG$15,000.00

9.5ct natural color change garnet, displaying strong color change from purple to reddish pink.

This is a pyrope-spessartine species of garnet, prized for its rarity, and color changing properties.

SG$5,800.00

8.3ct grossular garnet in a soft mint green.

See a video of this gem here: https://youtu.be/EimRiJDViFk

A stone that does not surface often, the grossular garnet is of the tsavorite ...

SG$5,800.00
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