

JMB members who have accrued at least 100,000 FLY ON Points on JAL Group airlines and/or oneworld member airlines in one calendar year will be enrolled in JMB DIAMOND.
"JMB DIAMOND" members can also use the oneworld EMERALD Services.
Note:
![The period of services introduced are as indicated below. [From 2 Months After] - Services and benefits available from two months after the date of accumulating sufficient Fly On Points. Valid through March 31 of second year following membership qualification. [From April 1 of Next Year] - Services and benefits available from April 1 of the following year after accumulating sufficient Fly On Points. Valid through March 31 of second year following membership qualification.](img/txt_service-period.gif)


When your preferred JAL Group flight is fully booked, priority waitlisting will apply based on the type of fares. When your preferred oneworld member airlines flights are fully booked, priority waitlisting will also apply at the respective oneworld member reservation centers.
JMB DIAMOND members will receive an additional 125% sector bonus miles on JAL Group airlines flights when travelling with eligible fares during the eligible period.
Generally, the validity of the mileage is until the end of the 36th month after the boarding (transaction) date. Mileage expiration will be suspended during JMB DIAMOND period. (This means miles will not expire during that period.)
Exclusive benefits for JMB Diamond status members During the campaign period, if award seats are not available, JMB Diamond members can redeem for double mileage the standard required mileage for JAL Gourp Domestic/International Award Tickets.


Please refer to here for the details of lounge access.
Airport lounge service is available when flying on JAL Group airlines flights.
Lounge access for the member and one traveling companion upon presentation of the “DIAMOND” card.
First Class Lounges are available in Narita, New York and London Airports.
Access to the high-grade DIAMOND / PREMIER LOUNGE in Haneda(TOKYO) Airport for member and one traveling companion upon presentation of the DIAMOND card, when flying on Japan Domestic routes.
Members will receive three transferable airport lounge coupons.
(First Class Lounge and DIAMOND · PREMIER LOUNGE access is not permitted.)
Members can take a third and a fourth companion to the airport lounge using two airport lounge coupons issued in exchange for 4,000 JMB Miles. Airport lounge coupons must be requested and received prior to travel.
(First Class Lounge and DIAMOND / PREMIER LOUNGE access is not permitted.)
When you fly with oneworld member airlines, you can use their lounges located in approximately 550 airports worldwide. The member and one traveling companion are allowed to enter the lounge.


First Class counters*
When flying with oneworld member airlines, you can use the priority check-in counter indicating oneworld tier status.
JMB DIAMOND members can collect their baggage before other passengers at baggage claim.
In addition to the standard checked baggage allowance, JMB DIAMOND members are allowed to check two extra pieces of checked baggage (or up to 20kg extra baggage where baggage allowance is based on the weight system) at no extra charge.
By presenting the DIAMOND card and boarding pass, the members have the privilege to board prior to the general boarding, on JAL Group flights or on oneworld member airlines flight.
By presenting the DIAMOND card, priority standby will apply when you wait for a seat on JAL Group Airlines flight or on oneworld member airlines flight at the airport on departure day.
By presenting the DIAMOND card and boarding pass, the member and one traveling companion can use the exclusive security check service "JAL Fast Security Lane", when they fly on JAL Group Airlines' international flights departing from Narita Airport Terminal 2.


Members can upgrade to the next higher class of service on JAL international/JALways flights by using those certificates. Economy Class can be upgraded to Executive Class or Executive Class to First Class for international flights. Upgrade Points are transferable to the member's family.


Two hotel coupons will be mailed to members. Members are entitled to a complimentary stay at JAL HOTELS or other participating partner hotels (standard twin single or double room).
Each coupon is valid for one night. Coupons are transferable to the member's family.
<Use of the Hotel Coupon for in-flight purchase >
This Hotel Coupon can be also be used for in-flight purchases from April 1, 2008 through March 31, 2009 (flight date).
Members can enjoy Century 21 Club free of charge, located in the Imperial Hotel, the Ginza
Nikko Hotel and the New Takanawa Prince Hotel (food, beverages and taxes are not included). Valid for use by JGC members only.