Yellow Sapphire
Mineral Group: Corundum Group
Key Properties
| Property | Value |
|---|---|
| Mohs Hardness | 9.0 (9) |
| Typical Size | 1-30 carats (commercial: 2-15 carats; large stones more available than ruby) |
| Typical Price Range | $100-3,000+ per carat (commercial: $200-1,000; unheated vivid $1,000-3,000+) |
| Rarity Level | Limited Occurrence |
| Availability Level | Readily Available |
| Availability Driver | Readily Available |
| Investment Appropriateness | Fashion/Trend Gems |
Detailed Descriptions
Rarity Description: Yellow corundum; naturally occurring in several mining regions though fine saturated colors are less frequent.
Availability Description: Commercially available in various sizes through gem dealers and jewelry retailers; fine unheated stones are less common but still accessible.
Investment Description: Moderate investment potential; unheated stones with vivid color have collector appeal; market influenced by jewelry trends; better suited for personal enjoyment than pure investment.
Colors
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Investment Ranking Calculation
The composite score of 39.38 is calculated using a weighted formula:
- Geological Rarity (25%): 65 points
- Market Availability (25%): 35 points
- Investment Appropriateness (25%): 25 points
- Hardness (12.5%): 0 points
- Price Range (12.5%): 65 points
Formula: (65 × 0.25) + (35 × 0.25) + (25 × 0.25) + (0 × 0.125) + (65 × 0.125) = 39.38
BEARISH
39.38
Score Components
Geo rarity
65
Mkt availability
35
Invest Appr
25
hardness
0
price
65