Cultivated emerald gemstone loose stones for jewellery making in round and emerald cut shapes, available in sizes from 5mm to 11mm round and 4x6mm to 6x8mm emerald cut, featuring a columbia green treasure colour for modern, simple designs.
Cultivated emerald loose stones for jewellery making in round and emerald cut shapes

These cultivated emerald gemstones provide a practical solution for jewellery makers, crafters, and designers seeking the classic green hue of emerald without the cost and sourcing complexity of natural stones. As an artificial gemstone, it offers consistent colour labelled as ‘columbia green treasure’ and is available in a range of precisely calibrated sizes in both round and emerald (rectangular) cuts. This makes it an ideal choice for creating matching sets, uniform designs, or for practising stone setting techniques with a material that behaves like a genuine gem but is more affordable and readily available. The product is supplied as a single, loose stone, ready for incorporation into your creative project.
Features and Construction

The primary feature of this product is its status as a cultivated, or lab-created, emerald. This means it is grown under controlled conditions to replicate the chemical and optical properties of natural emerald, resulting in a stone with a consistent ‘columbia green treasure’ colouration. It is presented in a style described as ‘modern simplicity’, suited to contemporary jewellery aesthetics.
Material and Build
The stone is made from cultivated emerald, an artificial gem material. This construction method ensures each stone possesses the characteristic green colour and visual properties of emerald, but with fewer inclusions and greater colour uniformity than is typically found in nature. It is categorised specifically as a ‘stone’ intended for decorative use in ornaments and jewellery.
Size and Practical Fit
The stones are available in two shape categories with multiple size options. Round stones range from 5mm in diameter (approx. 0.5 carat) up to 11mm (approx. 4.8 carat), with several intermediate sizes. Emerald cut (rectangular) stones are available in 4x6mm, 5x7mm, and 6x8mm dimensions. These calibrated sizes correspond to standard jewellery settings and allow for precise planning in design work.
Uses and Placement

With its decorative purpose clearly stated, this cultivated emerald is versatile for various applications. Its primary use is as a component in handcrafted jewellery, but its potential extends to other decorative arts.
Event or Professional Use
For professional jewellers or designers creating pieces for sale or exhibition, these stones offer a reliable, cost-effective material. The uniformity in colour and the availability of multiple sizes in both round and step-cut (emerald) shapes allow for the creation of coherent collections, bridal sets, or statement pieces where matching stones are required. Their artificial origin can also be a positive selling point for customers concerned with ethical sourcing.
Everyday Home Use
For hobbyists and craft enthusiasts, these stones are suitable for personal jewellery projects, from wire-wrapped pendants and beaded bracelets to more advanced metalwork settings. They can also be used in non-wearable decorative items, such as inlaid boxes, mosaic art, or as focal points in resin crafts, adding a touch of gemstone colour to home décor projects.
Benefits and Buying Value

The value of this product lies in its combination of gemstone aesthetics with practical, user-friendly characteristics. It bridges the gap between appearance, affordability, and application ease.
Reuse and Low Maintenance
As a solid gemstone material, it is inherently durable for long-term use in jewellery. It does not require any special maintenance beyond the standard care given to any gem-set item: cleaning with a soft cloth and mild soapy water, and storing separately to avoid scratches. Its constructed nature means it is less prone to cracking or cleaving during the setting process compared to some natural emeralds, which can be brittle.
Why Choose This Product
Choose this cultivated emerald if you need a predictable, uniform green stone for your projects. The key decision points are the specific ‘columbia green treasure’ colour, the choice between round and emerald cut shapes, and the selection of the exact size needed for your design. It removes the guesswork associated with natural gemstones, where colour and clarity can vary significantly from stone to stone, making it a practical choice for both planning and execution.




