When getting unfastened diamonds, you would like to make sure that you understand the specs and certifications of your stone. The most effective place to purchase free diamonds is an area in which you can examine the diamond’s IGI or GIA certifications, take a look at in-depth photos with the stone and achieve out with any issues you will have.
為了達到最好的體驗 這些 cookie 使我們能夠計算訪問量和流量來源，以便我們可以衡量和改進我們網站的性能。 它們幫助我們了解哪些頁面最受歡迎和最不受歡迎，並了解訪問者如何在網站上移動。
一般的方法是把鑽石按偏黃的程度分為不同的等級，把样品与已知色级的比色石对比确定，以D級最高，Z最低。
We provide engagement rings accompanied by diamond grading experiences that attest to the middle diamond’s 4Cs and any extra characteristics of Take note. The preferred diamond grading institutions are GIA and IGI, offering unbiased reports with regard to the primary stones in diamond engagement rings.
Diamonds cut glass, but this doesn't positively establish a diamond for the reason that other products, such as quartz, also lie above glass over the Mohs scale and may also Reduce it. Diamonds can scratch other diamonds, but this can lead to damage to 1 or both of those stones. Hardness assessments are infrequently Utilized in sensible gemology because of their potentially damaging character.[31] The extreme hardness and high price of diamond signifies that gems are usually polished gradually, using painstaking conventional techniques and greater awareness to depth than is the case with most other gemstones;[32] these often lead to incredibly flat, hugely polished facets with extremely sharp aspect edges.
There isn't a set rule for the amount to invest on an engagement ring. You must target buying a ring that matches your associate along with your spending plan. Our top engagement rings will let you see what solutions are most favored.
As a consequence of these similarities, many lab produced diamond rings are accompanied by reporting to the gem’s 4Cs. Equally as with purely natural diamonds, you need to look at the cut, carat, colour and clarity of any lab designed diamond engagement ring.
The fog test is yet another way to examine if a diamond is actual. Blow air onto your diamond, a true diamond will promptly disperse any fog that gathers from the warmth of your breath.
In 1999, we revolutionized the whole process of purchasing an engagement ring by which makes it uncomplicated to find the right ring on the web.
Unfortunately, custom made rings can not be returned. If you want to produce an Trade for keep credit rating, you have to return all jewellery inside 7 days with the delivery affirmation date.
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Diamonds are By natural means lipophilic and hydrophobic, which suggests the diamonds' surface area cannot be soaked by h2o, but is usually quickly damp and caught by oil. This house might be utilized to 求婚戒指 extract diamonds making use of oil when creating synthetic diamonds.
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延伸閱讀：求婚必勝靠這顆！孔曉振、周興哲、陳庭妮、楊祐寧低調款婚戒甜到心坎裡