What are lab grown diamonds-info

1
Diamonds Symmetry

• Ouros Jewels

2
What is Symmetry of Diamond?

• Grading of diamonds facet, table, culet, girdle,
  crown, pavilions alignment.
• How facets and angles of diamonds are
  symmetrical.
• Check if tables culet centered, Size and shape
  of all facets uniform
• When You buy Certified diamond you will get
  certification report of it.
• Poor symmetry diamond will not good for valuable
  jewelry.

3
Demo Certificate for symmetry
4
Diamond Symmetry defects

• Off-center culet
• Off-center table
• Misshapen facets
• Out-of-round girdle outline
• Crown Pavilion misalignment
• Wavy girdle

5
Off-Center Culet

• Diamonds bottom point is not exactly in middle.

6
Off-center table

• Top of tables facet is not perfectly centered.

7
Miss-shapen Facets

• Pattern is not symmetrical.
• Triangular shaped facets are not in same order.

8
Out of roundgirdle outline

• When a round cut diamond is shaped improperly.

9
Misalignment of Crown and Pavilion

• Crown and pavilion facets should be aligned at
  girdle points.

10
Wavy Girdle

• The girdle of diamond is not in straight line
  around it.

11
Symmetry Grade

• To check diamonds genuineness, A light is passed
  from top of it. If light straight reflect to eye
  then it is very good quality diamond.
• Because of defects in diamond shaping, light
  passes from top and skips through bottom or side
  .this doesnt make value.
• Diamond certification laboratory check for these
  several defects to grade a diamond to one of
   Excellent, Very Good, Good, Fair, and
  Poor Symmetry .

12
Excellent Symmetry

• Excellent symmetry diamond does not contain any
  defects.
• Rare to find.
• Reflects Light in straight 4 times more.

13
Very Good Symmetry

• Contains a very slight misalignment
• Reflects light from other way of top.
• Low reflection compared to EXCELLENT
• Useful in tight budget.

14
Good Symmetry

• Contains few misalignments.
• Low reflection than Excellent, Very Good,
  Diamonds.
• May Contain missing facet.
• Costs less.

15
Fair Symmetry

• We and 80 of people dont choose this grade
  symmetry.
• At Least Good symmetry diamond is recommended.
• We can see some Defects by naked eye.
• Light reflection is not proper

16
Poor Symmetry

• Thick Girdle, Light could not enter into diamond.
• Light skips in unwanted manner.
• Lots of defects, misalignments.
• Not recommended.