| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| how are blue sapphires graded | 0.75 | 0.5 | 2354 | 45 |
| how are sapphires graded | 1.85 | 0.3 | 7425 | 70 |
| blue sapphire color grading chart | 1.87 | 0.8 | 3476 | 13 |
| blue sapphire grading chart | 0.81 | 0.6 | 4032 | 84 |
| how to identify blue sapphire | 1.4 | 0.3 | 7268 | 46 |
| are all sapphires blue | 0.16 | 1 | 2729 | 59 |
| blue sapphire color chart | 0.39 | 0.2 | 8334 | 48 |
| sapphire blue and blue gray | 1.81 | 0.2 | 8370 | 35 |
| the color of sapphire blue | 1.94 | 0.3 | 6165 | 75 |
| types of blue sapphires | 1.42 | 0.6 | 3870 | 45 |
| what gives sapphires their blue color | 0.93 | 0.4 | 1087 | 26 |
| how to grade sapphire | 1.34 | 0.9 | 5724 | 2 |
| what makes sapphires blue | 0.98 | 0.8 | 3917 | 81 |
| sapphire color grading chart | 0.44 | 0.7 | 1007 | 82 |
| deep sapphire blue color | 1.66 | 0.3 | 7389 | 62 |
| what color is blue sapphire | 1.32 | 0.7 | 8900 | 36 |
| blue sapphire quality chart | 0.52 | 0.3 | 6544 | 50 |
| what colors make sapphire blue | 0.86 | 0.3 | 1985 | 92 |
