High Alchemy

Profit = High Alchemy value − item buy price − nature rune cost. No Grand Exchange tax (you're alching, not selling).

Item↕	Buy (instant buy)↕	High alch↕	Nature rune cost↕	Profit↓	Buy limit↕
Ankou mask	7,356,527	1	155	-7,356,681	4
Armageddon cape fabric	7,450,883	15,000	155	-7,436,038	5
Armadyl helmet	7,800,000	173,400	155	-7,626,755	8
Bandosian components	7,777,777	60,000	155	-7,717,932	-
Sunfire fanatic armour set	7,797,250	33,000	155	-7,764,405	-
Gilded full helm	7,826,111	21,120	155	-7,805,146	8
Blood moon tassets (broken)	8,056,080	173,946	155	-7,882,289	15
Armadylean plate	7,950,000	60,000	155	-7,890,155	-
Toxic staff (uncharged)	8,643,324	600,003	155	-8,043,476	8
Twinflame staff	8,150,000	30,000	155	-8,120,155	8
Angler's paint	8,250,000	1	155	-8,250,154	-
Dragon hunter wand	8,857,869	180,000	155	-8,678,024	8
Blood moon tassets	8,880,422	173,946	155	-8,706,631	15
Eternal gem	8,724,035	5,700	155	-8,718,490	8
Chugging barrel (disassembled)	8,768,711	600	155	-8,768,266	5
Granite hammer	8,895,831	38,400	155	-8,857,586	8
Justiciar faceguard	10,231,446	1,200,000	155	-9,031,601	8
Tanzanite fang	9,356,444	66,000	155	-9,290,599	5
Toxic blowpipe (empty)	9,516,383	72,000	155	-9,444,538	8
Infernal plate	9,550,000	12	155	-9,550,143	-
Gilded platebody	9,623,333	39,000	155	-9,584,488	8
Hydra leather	9,815,960	60,000	155	-9,756,115	15
Masori mask	10,315,809	480,000	155	-9,835,964	8
Armageddon teleport scroll	10,102,951	15,000	155	-10,088,106	5
Dragonfire ward	11,340,028	1,200,000	155	-10,140,183	8
Skeletal visage	11,053,009	900,000	155	-10,153,164	5
Dinh's bulwark	11,002,000	336,000	155	-10,666,155	8
Ring of coins	11,251,000	4,800	155	-11,246,355	4
Merchant's paint	11,500,000	1	155	-11,500,154	-
3rd age vambraces	11,876,999	30,300	155	-11,846,854	8
Twisted buckler	12,231,206	54,000	155	-12,177,361	8
Basilisk jaw	13,008,635	300,000	155	-12,708,790	-
Venator shard	12,831,445	90,000	155	-12,741,600	8
Gilded dragonhide set	12,750,000	7,500	155	-12,742,655	8
Gilded scimitar	13,246,216	15,360	155	-13,231,011	8
Ankou top	13,381,848	1	155	-13,382,002	4
3rd age mage hat	14,139,889	30,240	155	-14,109,804	8
Craw's bow (u)	14,284,390	72,000	155	-14,212,545	8
Sanguinesti staff (uncharged)	17,387,834	3,000,000	155	-14,387,989	8
Webweaver bow (u)	14,592,005	105,000	155	-14,487,160	-
Armageddon weapon scroll	14,756,640	15,000	155	-14,741,795	5
3rd age range legs	15,149,488	30,360	155	-15,119,283	8
Bandos tassets	15,450,538	173,946	155	-15,276,747	8
3rd age range coif	15,850,497	30,240	155	-15,820,412	8
Osmumten's fang	16,575,691	600,000	155	-15,975,846	8
Zenyte shard	16,106,000	45,000	155	-16,061,155	11,000
Dragon warhammer	16,174,089	72,000	155	-16,102,244	8
Zenyte amulet (u)	16,504,192	45,000	155	-16,459,347	10,000
Bandos hilt	17,301,000	300,000	155	-17,001,155	10,000
Bandos godsword	17,829,925	750,000	155	-17,080,080	8