Multiple RTP values recorded. RTP Ledger records endpoints from 90.5% to 96%. The main figure is the primary recorded value and is not assumed to equal either endpoint. The range alone does not prove both endpoints are current provider builds. Check the in-game paytable to confirm what your casino runs.
Return to player
96%
From an official source · checked 13 Sep 2026
92%96.2% database median99.5%
House edge
4.0%
Beats
18.9%
of tracked slots
Check your casino
Which RTP does your casino run for Gemstone Jam?
1. Open the game’s info or paytable before placing a bet. Match the full title and provider.
2. Check the selected mode or bet type. Record the version or build identifier if it is shown.
3. Find the theoretical RTP for that configuration. Enter the displayed percentage below to compare the numbers.
4. If no value is shown, the active RTP remains unknown. Do not substitute a provider-page value or the top of a recorded range.
Recorded here: 96.00% primary, range 90.50% to 96.00%. Compare the same game and mode. A matching number does not verify the casino’s active configuration.
What is the theoretical RTP of Gemstone Jam (Yggdrasil)?
Gemstone Jam by Yggdrasil has a primary theoretical RTP record of 96%. RTP Ledger checked Yggdrasil as an official source for this theoretical value on . RTP Ledger also holds values from 90.5% to 96%; that range does not prove which builds remain current. At 96%, the theoretical house edge is 4.0%. Gemstone Jam is a high-volatility game, so a short session can end far from the theoretical rate in either direction. RTP Ledger has not measured player returns or established which RTP version any casino runs.
A dash means that RTP Ledger has no value for the field. RTP Ledger does not estimate missing values.
How Gemstone Jam compares
Measured against everything we track, Gemstone Jam lands ahead of 18.9% of 2774 slots on recorded RTP (96%), 0.04 percentage points above the 95.96% average of the 155 Yggdrasil slots we track. An RTP of 96% implies a theoretical house edge of $4.00 per $100 wagered. RTP Ledger records very high volatility. See the source status for the volatility value. The maximum win RTP Ledger records is 10,000× the stake — a theoretical maximum.
Data status
The panel shows available sources and check dates for key fields. Fields without source information do not appear as supported by a source. Legacy imports and unresolved conflicts remain visible.
Available cards are paid placements. Source-linked public terms are identified when documented; an unconfirmed referral value is never presented as an offer. This is not an RTP, safety or payout ranking.
Partners
3
Offers sourced
3
Live check
0
Sponsored partnerTerms snapshot
Goated
goated.com
Why it is featured
Public welcome terms documented in the offer evidence record.
Documented public offerOperator source
100% first-deposit match up to $1,000
Minimum deposit
$20
Wagering
35× deposit + bonus
Maximum bet
$10
The public offer is sourced. Referral entitlement and country eligibility still require confirmation at Goated.
Affiliate link — RTP Ledger may earn a commission. Disclosure
18+ · T&Cs apply · Play responsibly
Sponsorship never changes RTP records, source status or editorial order.
18+ · Terms apply · Play responsibly
FAQ
What is the RTP of Gemstone Jam by Yggdrasil?
RTP Ledger records 96% RTP for Gemstone Jam (from an official source). The recorded range is 90.5% to 96%. The game page shows the source status for both values. Check the in-game paytable for the current RTP. At 96% RTP, the theoretical house edge is 4.0%.
How volatile is Gemstone Jam by Yggdrasil?
RTP Ledger records very high volatility for Gemstone Jam. Check the source status for the volatility value. RTP Ledger records high volatility for the game. High volatility describes a wider spread of possible outcomes over time. The rating does not predict results or win frequency in one session.
What is the max win in Gemstone Jam by Yggdrasil?
RTP Ledger records a theoretical maximum win of 10,000× the stake for Gemstone Jam (matched a retained secondary-source snapshot). A theoretical maximum is not an expected or typical result.
Who made Gemstone Jam?
RTP Ledger records Yggdrasil as the provider of Gemstone Jam. RTP Ledger records 2026 as the release year.
Similar slots
Compare RTP, volatility and max win; scroll horizontally when needed
