Few of us need an excuse to invest in quality jewellery and, with leading houses bringing out new and beautiful pieces to celebrate National Day, now may be the perfect time to go shopping. With jewellers taking cues from the rich hues of UAE's flag, expect black diamonds, rich rubies, intense emeralds and brilliant-cut white diamonds, set in either white, rose or yellow gold. <strong>So why not treat a loved one – or even yourself – to some pieces in the national colours? Scroll through the gallery above to see our top picks.</strong> The jewellery label is the brainchild of Sheikha Mariam bint Khalifa bin Saif Al Nahyan, who is the granddaughter of the UAE’s President Sheikh Khalifaand, as such, will always show strong affiliation with the region. For this National Day, the brand has transformed the Emirati passport into a pendant. Aquae Jewels is another home-grown jewellery house, housed in Dubai. For National Day, it offers a gold bracelet set with a princess-cut ruby, and a set of white diamond earrings made as chains. This Abu Dhabi brand creates pieces that combine modern simplicity with the rich history of the region, resulting in charming keepsakes. Further afield, the American designer Nina Runsdorf fell in love with the UAE on her first visit a year ago, and is now marking National Day with a collection in emerald green. Faberge, which once made priceless gems for Russian tsars, is turning its expertise towards the Emirates, with a pendant egg encrusted with tiny emeralds, pink sapphires, and white and black diamonds. One of the world's few truly ethical and sustainable gemstone-mining companies, Gemfields has teamed up with a host of designers to celebrate this National Day with pieces in red, green and white.