coloured gemstone

Rare Precious Coloured Gemstones at GIOIA Fine Jewellery

At GIOIA Fine Jewellery, we pride ourselves on offering only the finest natural coloured gemstones sourced from renowned mines across the globe. Each gem, from the regal lilac spinel to vivid sapphires and neon Paraiba tourmalines, is carefully handpicked by our experts Clarence and Cheryl to ensure exceptional brilliance, rarity, and uniqueness for every client.

Our collection features some of the world’s rarest and most treasured gemstones — Colombian emeralds, Sri Lankan and Burmese sapphires, Mozambique rubies, Tanzanian spinels, and Brazilian Paraiba tourmalines, among others. These precious stones are more than just jewellery; they are rare treasures steeped in history and natural beauty.

The Art and Science Behind Coloured Gemstones

The value of a coloured gemstone is determined by multiple factors, including colour intensity, origin, enhancement, clarity, cut, and carat weight. For example, a vivid neon Paraiba tourmaline from Brazil can command prices far exceeding comparable diamonds due to its rarity and vibrant hue. Similarly, unheated Kashmir sapphires or untreated pigeon blood rubies from Burma carry premium value because of their natural state and provenance.

Colour remains the most critical aspect, where the perfect balance between vividness and depth defines a gemstone’s allure. Origins such as Kashmir for sapphire or Colombia for emerald impart unique characteristics that greatly affect desirability and price. Enhancements like heat treatment are common and, when disclosed, improve the stone’s beauty without diminishing its value.

Clarity, Cut, and Character

Natural inclusions in gemstones are nature’s signature, distinguishing them from synthetic counterparts. While some inclusions reduce clarity, others create rare optical effects such as star sapphires or cat’s eye chrysoberyl, adding to their uniqueness. Gem cutters carefully shape each stone to maximise colour brilliance and carat retention, often adapting to the rough’s natural form, especially in rare gemstones.

GIOIA’s Commitment to Quality and Authenticity

We prioritize sourcing the highest-grade gemstones rather than compromising with lower-quality stones. Each gem in our collection is natural, untreated or minimally enhanced, and meticulously vetted. Upon purchase, clients receive independent certification verifying the gemstone’s authenticity, origin, size, weight, and any treatments.

Beyond the Classics: A World of Gemstone Variety

Beyond traditional favourites like ruby and sapphire, GIOIA celebrates the rising interest in gemstones such as tanzanite — prized for its vivid violet-blue shades and near-flawless clarity. Our diverse collection offers creative possibilities for bespoke designs, from classic heirlooms to contemporary fine jewellery, personalised to your story.

Customised Cluster Gemstone Ring Diamond, Peridot, Aquamarine & Sapphire Multi-Gemstone Cluster Ring Cluster gemstone ring designed with personalised birthstone, creating a family heirloom jewellery or unique engagement ring at GIOIA Fine Jewellery. You will treasure the colourful, vintage-inspired details of this marvellous cluster gemstone ring. Crafted in rose gold, this cluster ring features multiple coloured […]

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Cluster Ring with Bluish Green Teal Spinel, blue sapphire and Brazil Paraiba Tourmaline Gemstones in a cluster design for wedding Engagement ring - Customised Engagement Ring with coloured gemstone to a cluster design in rose gold band, local Singapore Custom Jeweller
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Cluster Gemstone Ring

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Mandarin Garnet Bespoke Mandarin Garnet Pendant inspired Guardian Angel Design Features a bespoke fine jewellery pendant design with mandarin garnet. Inspired guardian angel design makes this mandarin garnet pendant a one of a kind piece. The traditional way of setting is to set the centre stone into a ring or pendant with a single gemstone.

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Mandarin Garnet in a pair customised to Pendant with unique Trilliant shape, customised in a non traditional bespoke setting - bespoke Jewellery | Local Bespoke Jewellery in fine jewellery with coloured gemstone.
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Mandarin Garnet Pendant

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Pigeon Blood Ruby Featuring a pair of pigeon blood unheated ruby, set flawlessly at the centre of round halo diamond in a timeless and elegant look. Customised in 18k (750) white gold and a touch of warmth with four yellow plated prongs holding the precious gem firmly. The extraordinary vibrant in the ruby makes it

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Gemstone Unheated Pigeon Blood Vivid Red Ruby Earring, customised fine jewellery | Local Singapore Private Jeweller in bespoke fine jewellery.
Birthstone, birthstone jewellery, ruby

Unheated Ruby Earring

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Congratulation to James and Michelle for the engagement. Wishing you both a wonderful life together filled with lots of joy and happiness. This mystical engagement ring binds a beautiful relation with both pear shaped vivid blue sapphires on both the sides. The simplicity of the gemstone holds its allure. Acclaimed for its rarity, the Paraiba tourmaline

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Bespoke Engagement Ring can be custom made to all design. Coloured gemstones can range from blue Sapphire to paraiba tourmaline. GIOIA Fine Jewellery
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Paraiba Sapphire Engagement Ring

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Congratulation to Pameline and Aaron for your engagement! Wishing you both an eternity of love and happiness together always. Thank you for having us along your lovely journey. A brilliant Purple spinel sits in the centre of this beautiful filigree ring set in 18k (750) white gold prongs. The sparkling pave brilliant diamonds set on both

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Purplish Spinel coloured gemstone Engagement Ring with pave Filigree design | Local Singapore Customised Jeweller
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Purple Spinel Ring

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Exceptional Birthday Gift – Spinel Earring Stud  Sparkle in the deep blue hue, with round brilliant blue spinel. One-of-a-kind surprise birthday gift, custom set in 6-prong earring stud, (750) 18k white gold. Looking for a unique customised earring, which cost much lesser than a brilliant round diamond earring stud? With coloured gemstones, you’ll be spoilt for

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Customised Blue Spinel Earrings | Local Singapore bespoke jeweller
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Customised Blue Spinel Earring

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