Hanadama (花珠), known as the top quality grade in Japan Akoya Pearls. Well known for their glowing luster, thickness >0.4mm and almost flawless surface. In layman term, they are like single round light bulbs!
天女 (TEN-NYO) Pearls, must first qualify as Hanadama Pearls, and undergo additional stringent tests.
Magnification – Quality test on surface of the pearl, varies from “very slightly”, “slightly” to “some”. Colour varies from pink, pinkish green to green.
Inner Inspection – Thickness of pearl layers by optical fiber with a minimum of 0.40mm.
TERI Value Analysis – Light Interference Test, with a minimum score of 90%, known as the aurora effect to qualify as TEN-NYO Pearls.
Certified by Japan Pearl Science Laboratory, with high degree of recognition and level of technology to certify TEN-NYO Pearls.
Finest quality in Hanadama Pearl
Akoya Pearls are categorised into different grading, the common Akoya Pearls (estimated 28%), top quality known as Hanadama Pearls (estimated 5%) and the highest fine quality pearls are 天女 (TEN-NYO) Pearls.
Custom made Pearl Jewellery
In GIOIA Fine Jewellery, all our pearls are source directly from Japan for the best quality at an affordable price. The Hanadama and TEN-NYO Akoya Pearls, are chosen by us for the most luster, blemishes-free and shape. Design range from a simple pearl earring stud, to unique and one-of-a-kind pearl bracelet. With creativity ideas and exquisite craftsmanship, you can bespoke pearl jewellery with gemstone or diamond.