27 engagement gifts under $100 for couples who don't have a registry yet

They have a pretty big event coming up — help them count down to the wedding with this custom calendar featuring images you can upload from their social media pages.

Help them toast to the next chapter with these classy champagne flutes. Each flute can be customized with up to 12 letters for an extra personal touch.

They're probably going to get a lot of bubbly, and they're probably going to need somewhere to put it. Think ahead and gift them this classy wine bucket.

If they love to entertain, they'll appreciate this simple marble cheese board — it makes for a great way to present a cheese plate or charcuterie.

Another must for the entertaining types is a cookbook catered specifically to party food. Whether it's a dinner party, brunch, or cocktail hour — this cookbook has all of the recipes they need to make their next event a success.

Because they're going to need somewhere to hold those new rings when they sleep and shower.

Pick a location that holds sentimental value to them and create a detailed, customized map of that special spot. It makes a unique piece of decor when framed and is sure to prompt some great memories.

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Whether they're moving into a new space together or not, anyone's home could be made a little smarter with an Amazon Echo Dot. Though small, this speaker has powerful audio and tech capabilities.

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Even if they have Netflix, going out to see a movie is always a fun experience and a great date-night activity.

A practical game and a cute piece of decor all in one, this four-across game uses their names, anniversary date, and lots of hearts for a totally unique centerpiece.

With wedding planning on the horizon, their busy lives will really appreciate an Instant Pot. The pressure cooker will help them whip up delicious meals fast with little prep time or cleanup necessary.

No matter the occasion, a nice candle makes a great gift. With hints of lemon, verbena, and white musk, this one smells like lazy days spent lounging on the porch. Check out our candle gift guide if you think they'd be better suited to another scent.

This is a sweet gesture they'll both enjoy — with delicious flavors like red velvet, raspberry jam, and Champagne.

If they have the travel bug, they'll love scratching off all of their destinations on this scratch-off world map.

They're going to have plenty of pictures they'll want to display, so a nice frame is sure to be a welcomed gift. This one has two slots, so it's perfect for framing their future wedding invitation as well.

These punny matches are a small but sweet gift. They come in bulk (25 packs is the minimum), so you can get enough for them to keep in different spots all around the house, or even offer them up as a party favor if you're in charge of any planning.

Carving hearts and initials into a tree is a beloved romantic gesture. You (probably) can't give them a whole tree, but these handmade mugs are a charming substitute and a cute way to enjoy their morning coffee.

Give them a date made easy with this wicker picnic basket filled with a full set of flatware, cups, and plates for two.

Wherever they call home, this throw pillow adds a sweet, personalized touch to their space.

These customized stamps make the tedious task of addressing envelopes a breeze — they'll really thank you for this one.

They could say "cheers" with a glass of Champagne, or go for this sweeter option (or both). This celebratory keepsake box is filled with three boxes of Sugarfina's popular Champagne-inspired gummies.

What better way to spend the winter months than cuddled up in a cozy blanket? This throw will do the trick.

Wine enthusiasts will love getting the chance to try a new assortment of blends each month. Each month's selection is curated around a region or theme and comes with tasting notes and recipe pairings as well.

If you're still stumped on what to give them, you can't go wrong with an Amazon gift card — then they can get just about anything they want. You can also get them started with Amazon Prime, if they're not members of the super-convenient service yet.

If they love to travel, there's no better gift than bringing them one step closer to their next adventure.

Whether it's for breakfast in bed, countertop organization, or serving hors d'oeuvres — they're sure to find good use for this sleek and stylish lacquer tray.

They're sure to have plenty of celebratory toasts in the future. These chic, timeless coasters go with any glass and will keep their home's surface safe through rounds of 'cheers!'