Your best and complete source for fine jewelry. Loose and mounted diamonds, gemstones, custom designs, repairs, restorations, and more. We also purchase gold, silver, platinum, and diamonds. We're ready to manufacture, your custom engagement ring, wedding ring, pendant, earrings, or bracelet.

Keswick Jewelers, Inc. - Jewelry Design | Glenside, PA
Diamond ring Diamond ring

Factors that affect pricing

  • Color

  • Cut

  • Clarity

  • Fluorescence

  • Polish

  • Symmetry

GIA and AGS grades for polish and symmetry

  • Ideal

  • Excellent

  • Very good

  • Good

If you're looking to buy a diamond, there are several things to keep in mind. You may come across conflicting information, so familiarizing yourself with a few things ahead of time will help when you go to purchase.


Browse through prices and take a look at the GIA grades and pricing factors listed below. The ideal diamond with the perfect set of parameters will sell at market price. Always remember to choose the ideal diamond!

Learn diamond market prices and cost factors

Keep these helpful diamond tips in mind

Brush up on your diamond knowledge before you buy