-
Description
-
Review
-
Shipping
-
Return
Introduce distinctive elegance to your jewelry designs with our Lab Grown Diamond Keystone Shape in Calibrated sizess - Premium Melee for Designers & Jewelers. Created for professionals who value precision and originality, these diamonds offer a unique geometric silhouette paired with the exceptional quality and consistency required for fine jewelry production.
Expertly lab grown using advanced diamond-growing technology, each stone delivers remarkable brilliance, strength, and optical performance. Available in calibrated sizes from 0.20 to 0.50 carat, these diamonds feature a high-quality VS1 clarity and F color, ensuring a clean, bright appearance with excellent light return and visual uniformity across multiple stones.
The keystone shape provides a modern architectural aesthetic, making these diamonds ideal for statement rings, structured settings, and contemporary design concepts. Precision calibration allows for seamless alignment in complex layouts, supporting designers who require accuracy without compromising on sparkle or sophistication.
To accommodate a wide range of project needs, these premium melee diamonds are offered in 1, 2, 5, or 10-piece quantities. Each diamond is carefully inspected to maintain strict standards for cut, size consistency, color, and clarity-helping jewelers streamline their workflow and achieve flawless results.
By choosing lab grown diamonds, you embrace a more sustainable and transparent approach to luxury. These keystone-shaped diamonds possess the same physical and optical properties as mined diamonds while offering ethical sourcing and exceptional value, making them an ideal choice for designers and jewelers focused on innovation, responsibility, and refined craftsmanship.
For orders placed before 7am AEDT, we endeavour to process the same business day. Orders placed after 11am AEDT will be processed the next business day.
During sale events and new collection launches, there may be a slighly longer processing time.
All Auguste orders are hand-picked and packed with love from Byron Bay, Australie.
You can choose between a refund or a credit note on full priced items.
- Item(s) must be returned in their original condition and packaging: unworn, unwashed and with all tags attached.
- Earrings cannot be returned due to health and safety reasons.
- Return shipping methods and associated costs are the responsibility of the customer.
- Sale items can not be refunded for change of mind.






