Top 50 Diamonds by Quality
Our quality score measures pure gemological quality. Cut, polish, symmetry, and proportions. These are the best-made stones in the market right now.
How to Read the Quality Leaderboard
The quality score is a 0-100 index that weights the things that make a diamond actually look good: cut grade first, then polish and symmetry, then proportions (table %, depth %, length-to-width ratio). It deliberately ignores color and clarity, because those grades affect paper value more than appearance, and we want this list to surface diamonds that will look exceptional in person.
Use this list when you care more about sparkle and fire than paper grades. A 1.2ct H/SI1 at 98 quality will out-perform a 1.2ct D/FL at 85 quality in every real-world lighting condition. The light return, the brilliance, the way the facets are aligned. If your priority is 'the stone that looks the most alive when she glances down at her hand,' start here.
These rankings refresh every 24 hours as new stones are added and old ones sell out. A stone in the top 10 today may be gone tomorrow. Click any entry to see full specs, multiple retailer prices (where the same certificate number is listed across our network), and side-by-side comparisons.
| # | Diamond | Origin | Score | Lowest Price (AUD) |
|---|---|---|---|---|
| 1 | 0.71ct OVAL D FL | lab grown | 100 | $828 AUD |
| 2 | 0.77ct ROUND D FL | natural | 100 | $6,469 AUD |
| 3 | 2.16ct MARQUISE D FL | lab grown | 100 | $13,677 AUD |
| 4 | 1.02ct OVAL D FL | natural | 100 | $14,000 AUD |
| 5 | 1.21ct OVAL D FL | natural | 100 | $16,092 AUD |
| 6 | 1.31ct EMERALD D FL | natural | 100 | $17,056 AUD |
| 7 | 1.33ct ROUND D FL | natural | 100 | $18,114 AUD |
| 8 | 3.02ct PRINCESS D FL | lab grown | 100 | $24,431 AUD |
| 9 | 3.11ct PRINCESS D FL | lab grown | 100 | $25,154 AUD |
| 10 | 3.20ct PRINCESS D FL | lab grown | 100 | $25,892 AUD |
| 11 | 3.35ct PRINCESS D FL | lab grown | 100 | $27,092 AUD |
| 12 | 3.22ct MARQUISE D FL | lab grown | 100 | $27,138 AUD |
| 13 | 1.32ct ROUND D FL | natural | 100 | $27,153 AUD |
| 14 | 3.02ct ROUND D FL | lab grown | 100 | $28,662 AUD |
| 15 | 1.55ct ROUND D FL | natural | 100 | $28,868 AUD |
| 16 | 1.37ct ROUND D FL | natural | 100 | $30,569 AUD |
| 17 | 3.37ct OVAL D FL | lab grown | 100 | $32,477 AUD |
| 18 | 3.45ct OVAL D FL | lab grown | 100 | $33,246 AUD |
| 19 | 3.49ct OVAL D FL | lab grown | 100 | $33,631 AUD |
| 20 | 1.71ct OVAL D FL | natural | 100 | $35,185 AUD |
| 21 | 3.85ct PRINCESS D FL | lab grown | 100 | $36,138 AUD |
| 22 | 1.60ct ROUND D FL | natural | 100 | $38,467 AUD |
| 23 | 4.04ct CUSHION D FL | lab grown | 100 | $41,554 AUD |
| 24 | 4.09ct PRINCESS D FL | lab grown | 100 | $43,538 AUD |
| 25 | 4.35ct ROUND D FL | lab grown | 100 | $48,923 AUD |
| 26 | 4.66ct HEART D FL | lab grown | 100 | $49,138 AUD |
| 27 | 4.43ct ROUND D FL | lab grown | 100 | $49,815 AUD |
| 28 | 2.15ct ROUND D FL | natural | 100 | $92,077 AUD |
| 29 | 2.11ct ROUND D FL | natural | 100 | $105,637 AUD |
| 30 | 3.09ct PRINCESS D FL | natural | 100 | $126,844 AUD |
| 31 | 4.02ct OVAL D FL | natural | 100 | $264,032 AUD |
| 32 | 5.11ct ROUND D FL | natural | 100 | $606,068 AUD |
| 33 | 5.18ct ROUND D FL | natural | 100 | $620,629 AUD |
| 34 | 5.18ct ROUND D FL | natural | 100 | $651,957 AUD |
| 35 | 9.09ct ROUND D FL | natural | 100 | $1,210,214 AUD |
| 36 | 0.74ct OVAL D IF | lab grown | 99 | $1,523 AUD |
| 37 | 1.07ct OVAL D IF | lab grown | 99 | $2,669 AUD |
| 38 | 1.29ct PRINCESS D IF | lab grown | 99 | $4,515 AUD |
| 39 | 1.66ct PRINCESS D IF | lab grown | 99 | $5,265 AUD |
| 40 | 2.01ct EMERALD D IF | lab grown | 99 | $8,908 AUD |
| 41 | 0.33ct ROUND D IF | natural | 99 | $1,252 AUD |
| 42 | 0.51ct ROUND D IF | natural | 99 | $3,390 AUD |
| 43 | 2.21ct ROUND D IF | lab grown | 99 | $5,740 AUD |
| 44 | 2.57ct ROUND D IF | lab grown | 99 | $11,262 AUD |
| 45 | 2.65ct ROUND D IF | lab grown | 99 | $11,538 AUD |
| 46 | 3.50ct RADIANT D IF | lab grown | 99 | $17,731 AUD |
| 47 | 3.08ct CUSHION D IF | lab grown | 99 | $19,877 AUD |
| 48 | 2.01ct PEAR D IF | natural | 99 | $47,209 AUD |
| 49 | 2.01ct OVAL D IF | natural | 99 | $47,566 AUD |
| 50 | 0.32ct ROUND D FL | lab grown | 99 | $300 AUD |
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