Although the Gilt gift card is no longer available for purchase at eGifter, you can still redeem it for it's full value.
How to redeem your Gilt Gift Card
Navigate to the Gilt website -->Gilt Gift Card Redemption Form
The value from your gift card will be deposited to your Gilt account in the form of a credit.
You can expect the credit to post to your Gilt account within 24-48 hours of filling out the form.