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  1. 2023年8月2日 · Photo by Towfiq Ahmed. Full evaluation available in Gems & Gemology. CARLSBAD, Calif. – August 2, 2023 – The Gemological Institute of America (GIA), the leading institute for research into diamonds, colored stones and pearls, recently evaluated a diamond ring cut from a single laboratory-grown diamond.

    • Decide How Much You Want to Spend
    • Do Your Homework
    • Understand Her Taste in Jewelry
    • Know Her Ring Size
    • Know Her Favorite Shape and Cutting Style
    • Decide on A Setting
    • Solitaire
    • Sidestone
    • Halo Setting
    • Decide on A Metal

    You will be confronted with a dizzying array of choices when it comes to engagement rings. Have a price range in mind before you start to shop. Going in with fairly specific parameters will help your jeweler find the right engagement ring to fit your budget.

    There’s a lot you can learn about diamonds before you even set foot in a jewelry store. Start with the 4Cs – Color, Clarity, Cut and Carat Weight – so you understand how each influences the value of the diamond and adds to the overall appearance of the stone. You’ll learn what is most important to you and where you might want to compromise to fit y...

    Pay attention to the kind of jewelry she already wears. Is she more classic or modern? Does she wear more white metals or yellow gold? Do her pieces tend to be more delicate or chunky? Sleek or ornate? Have these preferences in mind when you set out to shop. If you buy something similar to what she already likes, you can't go wrong.

    If she wears rings, borrow one she already owns. Trace the inner circle on a piece of paper, or press the ring into a bar of soap for an impression. You can also slide it down one of your own fingers and draw a line where it stops. A jeweler can use these measurements to identify her approximate ring size. If she doesn't wear rings, estimate in the...

    If she hasn't made it easy for you by already voicing an opinion on the subject (or admiring someone else's engagement ring), keep these thoughts in mind when considering shape: She will be wearing this ring every day of your married life. It will need to go with everything from jeans to evening wear. If you're uncertain about her diamond shape pre...

    Consider her lifestyle and how well a certain setting design will fit into it. If she's more active or outdoorsy, look for lower profile, less ornate or more secure mountings, which are less likely to get knocked against or caught on things. If she's more of a glamour girl, look for statement settings, with a higher stone profile, more intricate ri...

    A single stone and still the most popular style choice in engagement rings. If prong set, the head secures the diamond and the prongs allow the diamond to catch the most light. A six-prong setting is more secure than four prongs. A bezel setting is even more secure and protects the girdle of the stone, but allows the diamond to catch less light tha...

    Smaller diamonds or other gemstones that flank the larger center stone for additional sparkle or color. Popular sidestone settings include prong, channel (which protects stones by keeping them flush), and bar-channel (which allows more light to enter the sidestones).

    The center stone is surrounded by tiny gemstones in a pave (pah-vey) setting, usually diamonds, to add sparkle and to give the appearance of a larger center stone.

    A diamond engagement ring is meant to last a lifetime so it is often made of gold or platinum - highly durable metals that can withstand many decades of daily wear. Metal color is a matter of personal preference with gold providing more color options: white, yellow or rose. Metal color is also a consideration since the appearance of a diamond’s col...

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  3. Facts. Mineral: Diamond. Chemistry: C. Color: Colorless. Refractive Index: 2.42. Birefringence: None. Specific Gravity: 3.52 (+/-0.01) Mohs Hardness: 10. Treatments. There are a number of processes used to alter the color, apparent clarity, or improve the durability of gems. Learn More. Synthetics.

  4. 2015年11月24日 · 10 Tips for Buying a Diamond Online. November 24, 2015. Engagement rings are one of the most popular choices to showcase a diamond, but regardless of the setting, you can shop with confidence online by following our tips. Courtesy of John O'Hara. Consumers have more options than ever when it comes to buying diamonds.

  5. 2018年8月6日 · A ring made entirely of natural diamond (figure 1) was recently submitted to GIAs New York laboratory. A large rough weighing approximately 196 ct was used to create this unusual 13.15 ct carved piece. It is common to find solid carved rings of jade and wood, which were traditionally worn as symbols of status or wedding rings signifying eternity.

  6. 2020年7月22日 · The quality and size of this solid diamond ring (see the video below) provide a great example of the advancing technology in laboratory-grown diamonds and changing trends in the jewelry industry. This is the first time a GIA laboratory has examined a colorless diamond ring fashioned entirely from a laboratory-grown diamond.

  7. 2 天前 · Diamond’s characteristic chemical composition and crystal structure make it a unique member of the mineral kingdom. Diamond is the only gem made of a single element: It is typically about 99.95 percent carbon. The other 0.05 percent can include one or more trace elements, which are atoms that aren’t part of the diamond’s essential chemistry.

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