Cultivated Emerald gemstone for jewellery making, loose round cabochon polished stone in Columbia green, available from 5mm 0.5ct to 11mm 4.8ct, includes princess cut, Asscher cut, and heart shaped designs for crafting and decoration.
Cultivated Emerald Gemstones: Loose Cabochons in Columbia Green for Jewellery Making

This selection of loose, polished gemstones offers jewellery makers and crafters a source of consistent, vibrant Columbia green colour. Made from cultivated emerald, an artificial gem material, these stones provide a uniform appearance without the variations and inclusions found in natural emeralds. Available in an extensive range of sizes and precise geometric cuts—from petite 5mm rounds to substantial 11mm stones—each cabochon is finished with a polished surface in a modern simplicity style. The detailed size and carat weight data for each shape, including Asscher, princess, heart, and pear cuts, allows for accurate planning and integration into bespoke jewellery pieces, decorative inlays, or other ornamental projects.
Features and Construction

The core feature of this product is its comprehensive range of measurable specifications, providing options for various design scales and aesthetics. Each stone is a single, polished unit crafted from the stated cultivated emerald material.
Material and Build
The stones are constructed from cultivated emerald, an artificial gem material sourced to replicate the colour of natural emerald. The source text specifies the material type as 'Gem' and the material source as 'Artificial', with the colour identified as 'Columbia green treasure'. This cultivated composition results in a consistent hue and clarity across all stones, which are then polished to achieve their final form. The process is noted as 'Polishing', contributing to the stones' modern simplicity style suitable for decorative use.
Size and Practical Fit
The product offers a precise array of dimensions to fit different design requirements. Round stones range from 5mm (approximately 0.5 carats) to 11mm (approximately 4.8 carats). Fancy cut shapes provide further variety: Asscher cuts are available from 5x5mm to 10x10mm, princess squares from 5x5mm to 8x8mm, and heart shapes from 5x5mm to 9x9mm. The data includes egg shapes up to 12x16mm (approx. 10ct) and pear shapes up to 8x12mm (approx. 3ct). This detailed sizing allows makers to select stones that match specific bezel settings, pendant designs, or other jewellery components.
Uses and Placement

These loose cabochons are designated for decorative purposes, with their geometric shapes and polished finish making them suitable for integration into various crafted items.
Event or Professional Use
For professional jewellers or artisans creating pieces for sale or special occasions, the consistent colour and precise sizing of these cultivated stones offer reliability. The availability of less common cuts like Asscher, princess, and 'grandmother cut' provides distinctive options for statement rings, bespoke pendants, or bridal jewellery where a specific, uniform green colour is desired. The carat weight ranges supplied for each size aid in accurate pricing and specification for commissioned work.
Everyday Home Use
Crafters and hobbyists can utilise these stones for personal jewellery projects, decorative object inlay, or other home crafts. The smaller sizes, such as the 5mm round or 4x6mm egg shape, are suitable for delicate earrings or charm making, while larger stones like the 9x9mm heart or 8x8mm Asscher can serve as focal points for necklaces or bracelets. The polished finish means the stones are ready for setting without requiring further lapidary work.
Benefits and Buying Value

The value of this product lies in the specific data provided and the practical advantages it offers for a defined use case.
Reuse and Low Maintenance
As durable, polished stone components, these gems are designed for a single integration into a finished item. Their cultivated composition and polished finish mean they do not require specialist care beyond protection from sharp impacts or harsh chemicals during the crafting process. Once set, they maintain their colour and finish with standard jewellery care.
Why Choose This Product
This product is selected for its detailed and transparent specification list. Unlike many gemstone listings, it provides exact millimetre dimensions and carat weight estimates for a vast array of shapes, from common rounds to specialised cuts like 'fat square' and 'sugar tower cut'. This allows buyers to make an informed choice based on precise measurements rather than general categories. The confirmation of an artificial, cultivated material source ensures expectations are set for a consistent, man-made gemstone ideal for projects requiring colour uniformity.





