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.

#DiamondOriginScoreLowest Price (AUD)
10.71ct OVAL D FLlab grown100$828 AUD
20.77ct ROUND D FLnatural100$6,469 AUD
32.16ct MARQUISE D FLlab grown100$13,677 AUD
41.02ct OVAL D FLnatural100$14,000 AUD
51.21ct OVAL D FLnatural100$16,092 AUD
61.31ct EMERALD D FLnatural100$17,056 AUD
71.33ct ROUND D FLnatural100$18,114 AUD
83.02ct PRINCESS D FLlab grown100$24,431 AUD
93.11ct PRINCESS D FLlab grown100$25,154 AUD
103.20ct PRINCESS D FLlab grown100$25,892 AUD
113.35ct PRINCESS D FLlab grown100$27,092 AUD
123.22ct MARQUISE D FLlab grown100$27,138 AUD
131.32ct ROUND D FLnatural100$27,153 AUD
143.02ct ROUND D FLlab grown100$28,662 AUD
151.55ct ROUND D FLnatural100$28,868 AUD
161.37ct ROUND D FLnatural100$30,569 AUD
173.37ct OVAL D FLlab grown100$32,477 AUD
183.45ct OVAL D FLlab grown100$33,246 AUD
193.49ct OVAL D FLlab grown100$33,631 AUD
201.71ct OVAL D FLnatural100$35,185 AUD
213.85ct PRINCESS D FLlab grown100$36,138 AUD
221.60ct ROUND D FLnatural100$38,467 AUD
234.04ct CUSHION D FLlab grown100$41,554 AUD
244.09ct PRINCESS D FLlab grown100$43,538 AUD
254.35ct ROUND D FLlab grown100$48,923 AUD
264.66ct HEART D FLlab grown100$49,138 AUD
274.43ct ROUND D FLlab grown100$49,815 AUD
282.15ct ROUND D FLnatural100$92,077 AUD
292.11ct ROUND D FLnatural100$105,637 AUD
303.09ct PRINCESS D FLnatural100$126,844 AUD
314.02ct OVAL D FLnatural100$264,032 AUD
325.11ct ROUND D FLnatural100$606,068 AUD
335.18ct ROUND D FLnatural100$620,629 AUD
345.18ct ROUND D FLnatural100$651,957 AUD
359.09ct ROUND D FLnatural100$1,210,214 AUD
360.74ct OVAL D IFlab grown99$1,523 AUD
371.07ct OVAL D IFlab grown99$2,669 AUD
381.29ct PRINCESS D IFlab grown99$4,515 AUD
391.66ct PRINCESS D IFlab grown99$5,265 AUD
402.01ct EMERALD D IFlab grown99$8,908 AUD
410.33ct ROUND D IFnatural99$1,252 AUD
420.51ct ROUND D IFnatural99$3,390 AUD
432.21ct ROUND D IFlab grown99$5,740 AUD
442.57ct ROUND D IFlab grown99$11,262 AUD
452.65ct ROUND D IFlab grown99$11,538 AUD
463.50ct RADIANT D IFlab grown99$17,731 AUD
473.08ct CUSHION D IFlab grown99$19,877 AUD
482.01ct PEAR D IFnatural99$47,209 AUD
492.01ct OVAL D IFnatural99$47,566 AUD
500.32ct ROUND D FLlab grown99$300 AUD
Back to leaderboards
Browse top diamondsAsk Lucy

Compare prices across 100+ retailers worldwide. Find the best deal on your perfect diamond.