| 0.01 – 0.49 | 1.0 – 4.0 | $30 – $150 | Accent stones, small jewelry pieces |
| 0.50 – 0.99 | 4.5 – 5.5 | $150 – $600 | Engagement rings, small pendants |
| 1.00 – 1.49 | 5.5 – 6.5 | $600 – $2,000 | Engagement rings, earrings |
| 1.50 – 1.99 | 6.5 – 7.0 | $2,000 – $4,000 | High-end rings, statement pieces |
| 2.00 – 2.99 | 7.0 – 8.0 | $4,000 – $8,000 | Luxury rings, special occasion jewelry |
| 3.00 – 3.99 | 8.0 – 9.0 | $8,000 – $12,000 | Collectible items, high-end jewelry |
| 4.00 – 4.99 | 9.0 – 10.0 | $12,000 – $20,000 | Investment pieces, unique jewelry |
| 5.00 and above | 10.0 and above | $20,000 and up | Museum-quality, rare pieces |