Gem Rates

Cards ranked by grading upside — PSA gem rate, raw-to-PSA-10 multiple, and probability-weighted grading ROI. Including thin, low-sale markets.

Card	Set	Raw	Gem rate	PSA 10	Multiple	Grade ROI	Pop 10	Sales 30D
Rowlet & Alolan Exeggutor GX#215/236	Unified Minds	$128	40%	$348	2.7×	-9%	842	5
Rillaboom#197/189	Darkness Ablaze	$7.15	73%	$40.00	5.6×	-9%	2,087	26
Meditite#153/142	Stellar Crown	$8.13	41%	$72.99	9×	-9%	936	138
Ponyta#SH11/99	Arceus	$193	3.6%	$5,500	28.5×	-9%	20	8
Corsola#37/75	Neo Discovery	$7.97	36%	$82.75	10.4×	-9%	48	34
Gengar#05/92	Legend Maker	$245	4.4%	$5,556	22.7×	-9%	77	17
Latias-EX#085/116	Plasma Freeze	$46.65	7.5%	$878	18.8×	-9%	19	6
Melony#195/198	Chilling Reign	$5.51	49%	$56.52	10.3×	-9%	400	50
Dragonite VSTAR#081/78	Pokémon GO	$49.10	58%	$118	2.4×	-9%	2,152	33
Slugma#72/97	Dragon	$9.53	53%	$60.00	6.3×	-8%	20	4
Iron Crown ex#206/162	Temporal Forces	$58.96	48%	$160	2.7×	-8%	3,627	98
Phoebe#161/163	Battle Styles	$15.46	46%	$79.99	5.2×	-8%	676	38
Zeraora#151/142	Stellar Crown	$14.14	45%	$80.00	5.7×	-8%	2,514	195
Minior#201/182	Paradox Rift	$26.61	38%	$125	4.7×	-8%	658	74
Lairon#184/167	Twilight Masquerade	$6.25	47%	$60.51	9.7×	-8%	728	121
Aggron#001/108	Power Keepers	$45.49	16%	$414	9.1×	-8%	38	7
M Gengar EX#035/119	Phantom Forces	$162	5.4%	$3,150	19.4×	-8%	119	23
Iono#124/225	SVP Black Star Promos	$14.29	38%	$95.00	6.6×	-8%	2,049	74
Ferrothorn#149/86	White Flare	$16.79	23%	$170	10.1×	-8%	40	42
Kingdra#148/147	Aquapolis	$600	5.6%	$10,250	17.1×	-8%	95	11
Galarian Slowking VMAX#207/198	Chilling Reign	$9.13	75%	$42.00	4.6×	-8%	233	32
Cobalion#144/86	Black Bolt	$33.83	26%	$210	6.2×	-8%	131	46
Aerodactyl V#180/196	Lost Origin	$228	45%	$513	2.2×	-8%	5,273	22
Vaporeon#019/115	Unseen Forces	$144	8.9%	$1,743	12.1×	-8%	39	6
Hisuian Zoroark VSTAR#GG56/159	Crown Zenith	$56.75	62%	$122	2.1×	-8%	6,186	74
Gloom#198/197	Obsidian Flames	$29.73	20%	$250	8.4×	-8%	2,145	158
Ethan's Adventure#236/182	Destined Rivals	$49.24	42%	$163	3.3×	-8%	2,323	134
Miraidon ex#244/198	Scarlet & Violet	$29.65	42%	$120	4×	-8%	3,755	95
Magmar#44/53	Wizards Black Star Promos	$33.17	32%	$166	5×	-8%	273	24
Flaaffy#280/264	Fusion Strike	$7.45	40%	$74.49	10×	-8%	292	85
Sunflora#169/167	Twilight Masquerade	$8.76	48%	$64.96	7.4×	-8%	826	173
Ethan's Ho-Oh ex#239/182	Destined Rivals	$31.38	63%	$82.50	2.6×	-8%	2,745	136
Cheryl#173/163	Battle Styles	$7.43	47%	$63.74	8.6×	-8%	186	25
Sneasel ex#103/109	Ruby & Sapphire	$85.24	3.8%	$2,681	31.5×	-8%	59	18
Rapid Strike Urshifu V#153/163	Battle Styles	$19.48	69%	$59.99	3.1×	-7%	1,308	4
Clobbopus#207/191	Surging Sparks	$7.73	28%	$108	14×	-7%	791	171
Orthworm#224/193	Paldea Evolved	$7.45	16%	$184	24.7×	-7%	87	55
White Kyurem-EX#101/113	Legendary Treasures	$5.43	9.4%	$300	55.2×	-7%	16	18
Froakie#SV11/94	Hidden Fates Shiny Vault	$8.77	63%	$49.98	5.7×	-7%	1,660	113
Spidops ex#243/198	Scarlet & Violet	$11.48	40%	$85.00	7.4×	-7%	463	112
Lusamine#153/156	Ultra Prism	$154	44%	$376	2.4×	-7%	696	6
Arctozolt#SV046/72	Shining Fates	$6.00	47%	$61.57	10.3×	-7%	51	38
Milotic V#179/192	Rebel Clash	$14.98	62%	$60.00	4×	-7%	185	22
Team Rocket's Crobat ex#242/182	Destined Rivals	$18.07	62%	$64.13	3.5×	-7%	1,598	134
Eevee#TG11/172	Brilliant Stars	$23.10	18%	$250	10.8×	-7%	1,115	177
Roaring Moon ex#251/182	Paradox Rift	$42.19	34%	$186	4.4×	-7%	3,834	146
Rapid Strike Urshifu V#TG20/172	Brilliant Stars	$5.49	57%	$50.00	9.1×	-7%	471	60
Snom#168/162	Temporal Forces	$19.28	42%	$99.00	5.1×	-7%	400	82
Hydreigon ex#169/86	White Flare	$87.68	53%	$198	2.3×	-7%	2,694	79
Naganadel & Guzzlord GX#158/236	Cosmic Eclipse	$10.80	33%	$100	9.3×	-7%	452	49