Top 50 Diamonds by Quality in United States

Pure gemological quality: cut, polish, symmetry, proportions. The best-made diamonds available right now. Pricing shown in USD.

Last updated 31 October 2026 · Based on 50 active listings ranked by quality

How to Read the Quality Leaderboard

The quality score is a 0 to 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 throughout the day 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.

#DiamondOriginGradeLowest Price (USD)
16.03ct CUSHION FANCY VIVID ORANGY PINK lab grownA+$15,200 USD
24.18ct PEAR FANCY VIVID ORANGY PINK lab grownA+$9,940 USD
33.37ct OVAL FANCY VIVID ORANGY YELLOW lab grownA+$6,320 USD
42.81ct PRINCESS FANCY INTENSE ORANGY PINK lab grownA+$5,470 USD
52.61ct ROUND FANCY INTENSE BLUISH GREEN lab grownA+$4,860 USD
62.10ct ROUND FANCY INTENSE BLUISH GREEN lab grownA+$3,870 USD
72.08ct PRINCESS FANCY INTENSE PURPLISH PINK lab grownA+$3,740 USD
82.06ct RADIANT FANCY VIVID ORANGY YELLOW lab grownA+$3,300 USD
92.04ct PRINCESS FANCY INTENSE ORANGY PINK lab grownA+$3,670 USD
102.02ct CUSHION FANCY INTENSE ORANGY PINK lab grownA+$3,920 USD
112.00ct ROUND FANCY LIGHT PINK lab grownA+$3,420 USD
121.89ct ROUND FANCY INTENSE BLUISH GREEN lab grownA+$3,210 USD
131.76ct CUSHION FANCY VIVID ORANGY PINK lab grownA+$3,150 USD
141.61ct PEAR FANCY VIVID ORANGY PINK lab grownA+$2,820 USD
151.51ct ROUND FANCY INTENSE BLUISH GREEN lab grownA+$2,560 USD
161.48ct OVAL FANCY VIVID ORANGY YELLOW lab grownA+$1,890 USD
171.16ct PEAR FAINT PINK naturalA+$15,670 USD
181.15ct HEART FANCY VIVID PURPLISH PINK lab grownA+$1,800 USD
191.02ct ROUND FANCY VIVID BLUISH GREEN lab grownA+$1,590 USD
201.01ct HEART FAINT PINK naturalA+$5,650 USD
211.00ct RADIANT FANCY YELLOW naturalA+$3,130 USD
220.91ct PEAR FAINT PINK naturalA+$6,550 USD
230.76ct CUSHION LIGHT PINK naturalA+$9,730 USD
240.64ct OVAL LIGHT PINK naturalA+$7,680 USD
250.54ct ROUND FANCY VIVID ORANGY PINK lab grownA+$720 USD
260.51ct RADIANT LIGHT BROWNISH YELLOW lab grownA+$600 USD
270.51ct PEAR LIGHT PINK naturalA+$7,430 USD
280.50ct PEAR LIGHT BROWN naturalA+$1,800 USD
298.25ct ROUND D FLlab grownA+$51,907 USD
308.25ct ROUND D FLlab grownA+$61,554 USD
317.52ct ROUND D FLlab grownA+$38,831 USD
327.07ct ROUND D FLlab grownA+$33,921 USD
337.05ct ROUND D FLlab grownA+$33,295 USD
347.05ct ROUND D FLlab grownA+$39,331 USD
357.04ct ROUND D FLlab grownA+$36,438 USD
366.39ct ASSCHER D FLlab grownA+$27,732 USD
376.39ct ASSCHER D FLlab grownA+$30,225 USD
386.35ct OVAL D FLlab grownA+$36,837 USD
396.13ct ROUND D FLlab grownA+$12,891 USD
406.13ct ROUND D FLlab grownA+$15,052 USD
416.13ct ROUND D FLlab grownA+$53,944 USD
426.09ct ASSCHER D FLlab grownA+$28,808 USD
436.09ct ASSCHER D FLlab grownA+$35,510 USD
446.06ct ROUND D FLlab grownA+$17,364 USD
456.05ct ROUND D FLlab grownA+$16,822 USD
466.05ct CUSHION D FLlab grownA+$21,930 USD
476.02ct ROUND D FLlab grownA+$16,085 USD
486.01ct ROUND D FLlab grownA+$16,059 USD
495.74ct ROUND D FLlab grownA+$8,439 USD
505.62ct ROUND D FLlab grownA+$6,327 USD
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