FINE JEWELLERY, WATCHES, SILVER & COINS 30th April 2025 at 12pm

Lot 174: A DIAMOND SOLITAIRE RING, the brilliant cut diamond to baguette diamond shoulders, mounted in 18ct white gold. Estimated: weight of principal diamond: 2.50 ct, colour and clarity: K,VS, size J – K €15,500 - €17,500 6 4C’s AT O’REILLY’S CARAT – Carat is the weight of a stone. It is the unit of measure we use for diamonds and gemstones, where 1 carat = 0.2 gram. All other factors being equal, i.e., colour clarity and cut, prices for diamonds are usually given per carat.There are cer tain carat weights that cause a price jump, for example 0.99ct would be priced less than 1.00ct. COLOUR – A diamond’s colour is observed along its greatest width. For colourless to near colourless diamonds, all other factors being equal, the more colourless the diamond the greater the value.With fancy colour diamonds the rarity, desirability and intensity of colour would affect the price. The introduction of impurities within the diamond such as nitrogen or boron can relate to the colour that is observed. CLARITY – The clarity of a diamond refers to a stone’s freedom from inclusions, graded from a scale of ‘flawless’ to ‘imperfect’. Internal characteristics or inclusions are features which are enclosed within the stone or extend from its surface. External characteristics or blemishes are found on the surface of the stone.The more inclusions and their size and position affect the clarity grade for each diamond and thus the price. CUT –There are many aspects that go into the cut grade of a diamond. For example, the symmetry, propor tions and the polish.The quality of the cut is an impor tant value factor, with discounts being given for poorly cut stones, whereas excellent cut stones may fetch a premium.The better the cut the greater return of light, this will make the stone bright and lively and so improve the appearance of the stone. DIAM ND LIVE AUCTION OF FINE JEWELLERY, WATCHES, SILVER & COINS • WEDNESDAY, 30th APRIL 2025 AT 12PM A P R I L B I R T H S TO N E