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Close-up of a purple crystal with a clear background

December Birthstone

Rare, deeply saturated, and found in only one place on earth. Tanzanite's blue-violet color shifts between rich indigo and violet depending on the light, producing a stone that looks different at every hour of the day. Discovered in Tanzania in 1967 and found nowhere else on earth since, it is one of the most geologically unique gemstones used in fine birthstone jewelry. Shop December birthstone jewelry at Aquamarise® and wear the stone that belongs to the rarest corner of the mineral world.

Orion Nebula™ & Tanzanite Couples Ring Set by Aquamarise featuring a black band with vibrant blue tanzanite and diamond accents beside a matching black band with cosmic nebula inlay.

Orion Nebula™ & Tanzanite Couples Ring Set

$255

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Natural Tanzanite Chevron Ring Set in 14K White Gold (two-piece) featuring a marquise-cut violet-blue tanzanite centerpiece with diamond accents alongside a black band inlaid with shimmering blue flakes, crafted by Aquamarise Gold.

Orion Nebula™ & Tanzanite Couples Ring Set

$245

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per 

Orion Nebula™ & Tanzanite Couples Ring Set by Aquamarise, featuring a unique elongated tanzanite stone with diamond accents in a celestial-inspired black finish design.
Sale

Hexagon Coffin Tanzanite Engagement Ring Set in Black Ruthenium

Regular price $115 from $103.50 (-10%)

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Teardrop Tanzanite Engagement Ring Set in 14K White Gold by Aquamarise Gold featuring a pear-shaped vibrant tanzanite surrounded by intricate diamond accents in a white gold setting.
Sale

Teardrop Tanzanite Engagement Ring Set in Sterling Silver

Regular price $125 $112.50 (-10%)

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Hexagon Tanzanite Leaf Ring Set in Sterling Silver featuring a hexagon-cut tanzanite with leaf-inspired bands and diamond accents by Aquamarise, a nature-inspired engagement ring design.
Sale

Hexagon Tanzanite Leaf Ring Set in Sterling Silver

Regular price from $103.50 (-10%)

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Bezel Heart Tanzanite Pendant Necklace in Sterling Silver by Aquamarise featuring a deep blue heart-shaped tanzanite set in a polished sterling silver bezel on a delicate silver chain.
Sale

Bezel Heart Tanzanite Pendant Necklace in Sterling Silver

Regular price $145 $130.50 (-10%)

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Adeline Marquise Cut Tanzanite Ring in Sterling Silver by Aquamarise, featuring a marquise-cut purple tanzanite surrounded by sparkling white accent stones on a sleek sterling silver band.
Sale

Adeline Marquise Cut Tanzanite Ring in Sterling Silver

Regular price from $94.50 (-10%)

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Teardrop Tanzanite Necklace in 14K Rose Gold Vermeil by Aquamarise, featuring a vibrant pear-shaped tanzanite and three small sparkling accent stones on a delicate rose gold chain.
Sale

Teardrop Tanzanite Necklace in 14K Rose Gold Vermeil

Regular price $145 $130.50 (-10%)

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Tanzanite Heart Necklace in 14K Rose Gold Vermeil by Aquamarise featuring a heart-shaped tanzanite surrounded by sparkling white stones on a delicate rose gold vermeil chain.
Sale

Tanzanite Heart Necklace in 14K Rose Gold Vermeil

Regular price $145 $130.50 (-10%)

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Vintage Tanzanite Ring Set in 14K White Gold featuring a pear-shaped deep purple tanzanite center stone accented by a delicate white gold band with diamond details, crafted by Aquamarise Gold from the December Birthstone and Solid Gold Engagement Rings collections.
Sale

Vintage Tanzanite Ring Set in Sterling Silver

Regular price from $103.50 (-10%)

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Vintage Natural Tanzanite Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold featuring an oval violet-blue tanzanite with moissanite accents on an intricately detailed rose gold band.
Sale

Vintage Tanzanite Ring in 14K Rose Gold Vermeil

Regular price $125 from $112.50 (-10%)

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Natural Tanzanite Chevron Ring Set in 14K White Gold (two-piece) by Aquamarise Gold featuring a marquise-cut violet-blue tanzanite gemstone framed by a chevron-shaped band adorned with sparkling white diamonds, part of Solid Gold Engagement Rings and December Birthstone collections.
Sale

Marquise Tanzanite Ring Set in Sterling Silver

Regular price $115 $103.50 (-10%)

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Natural Tanzanite Engagement Ring in 14K White Gold by Aquamarise Gold featuring a vintage-inspired emerald cut tanzanite with delicate moissanite accents on an intricately detailed band.
Sale

Vintage Tanzanite Ring in Sterling Silver

Regular price $125 $112.50 (-10%)

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Borealis & Tanzanite Couples Ring Set- Northern Lights & Trees featuring a radiant tanzanite gemstone with diamond accents alongside a polished band showcasing a vibrant blue and green aurora borealis inlay with engraved tree silhouettes by Aquamarise.
Borealis & Tanzanite Couples Ring Set- Northern Lights & Trees featuring a kite-cut tanzanite surrounded by diamonds in sterling silver, crafted by Aquamarise for matching couples' rings.
Sale

Kite Cut Geometric Tanzanite Ring Set in Sterling Silver

Regular price $145 $130.50 (-10%)

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Evil Eye Tanzanite Necklace in Sterling Silver by Aquamarise featuring a sterling silver chain with a sparkling tanzanite center surrounded by clear simulated diamonds in an eye-shaped pendant.
Sale

Evil Eye Tanzanite Necklace in Sterling Silver

Regular price $145 $130.50 (-10%)

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2CT Solitaire Tanzanite Ring- Sterling Silver by Aquamarise featuring a vibrant oval tanzanite set in a polished 925 sterling silver band from Sterling Silver Rings and December Birthstone collections
Sale

2CT Solitaire Tanzanite Ring- Sterling Silver

Regular price $125 $112.50 (-10%)

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Victoria Art Deco Tanzanite Engagement Ring in 14K White Gold by Aquamarise Gold featuring a vivid oval tanzanite surrounded by tapered and round moissanite accents in a vintage-inspired design.
Sale

Victoria Art Deco Tanzanite Engagement Ring in Sterling Silver

Regular price $125 $112.50 (-10%)

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Evelyn Teardrop Tanzanite Ring Set in Sterling Silver by Aquamarise featuring a pear-shaped tanzanite center with marquise and round white accents on a rhodium-finished sterling silver band.
Sale

Evelyn Teardrop Tanzanite Ring Set in Sterling Silver

Regular price from $103.50 (-10%)

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Esme Lab-Grown Diamond & Tanzanite Ring- 14K White Gold (IGI Certified) by Aquamarise Gold features a marquise lab-grown diamond center accented by vibrant natural tanzanite stones on a delicately sculpted white gold band, part of Solid Gold Engagement Rings, April and December Birthstone Jewelry, and Nature-Inspired Engagement Rings collections.
Borealis Tanzanite & Teal Sapphire Couples Ring Set (Mountain Range) by Aquamarise, showcasing a marquise-cut tanzanite flanked by teal sapphire heart accents and delicate diamond details, part of Matching Couples' Rings and September and December Birthstone Jewelry collections.
Sale

Elain Tanzanite & Teal Sapphire Fairy Ring- Sterling Silver

Regular price $105 $94.50 (-10%)

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Teardrop Aquamarine & Tanzanite Ring in Sterling Silver by Aquamarise featuring pear-cut aquamarine, tanzanite, and a small clear gemstone in a minimalist sterling silver band.
Sale

Teardrop Aquamarine & Tanzanite Ring in Sterling Silver

Regular price $125 from $112.50 (-10%)

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Valentina Natural Tanzanite Engagement Ring in 14K Solid Yellow Gold by Aquamarise Gold, featuring a vibrant oval tanzanite surrounded by a delicate diamond halo in vintage-inspired design.
Sale

Valentina Natural Tanzanite Engagement Ring in 14K Solid Yellow Gold

Regular price from $2,065.50 Up to (-10%)

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Heart Bezel Tanzanite Sud Earrings in Sterling Silver featuring vibrant heart-shaped simulated tanzanite gemstones set in a sleek sterling silver bezel by Aquamarise.
Sale

Heart Bezel Tanzanite Sud Earrings in Sterling Silver

Regular price $109.99 $98.99 (-10%)

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Vintage Tanzanite Ring Set in 14K White Gold featuring a pear-shaped deep purple tanzanite center stone accented by a delicate white gold band with diamond details, crafted by Aquamarise Gold from the December Birthstone and Solid Gold Engagement Rings collections.

Vintage Tanzanite Ring Set in 14K White Gold

from $2,345

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Tanzanite Ring- 14K Rose Gold Vermeil featuring a vibrant violet-blue gemstone surrounded by a diamond-accented vintage-inspired rose gold band by Aquamarise.
Sale

Tanzanite Ring- 14K Rose Gold Vermeil

Regular price $125 from $112.50 (-10%)

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Iris Oval Tanzanite Ring in 14K Rose Gold Vermeil by Aquamarise featuring an oval-cut vibrant tanzanite surrounded by a halo of sparkling simulated diamonds on a rose gold vermeil band.
Sale

Iris Oval Tanzanite Ring in 14K Rose Gold Vermeil

Regular price $125 $112.50 (-10%)

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Cushion Cut Natural Tanzanite Engagement Ring in 14K White Gold (Hidden Halo) by Aquamarise Gold, featuring a vibrant cushion tanzanite and subtle hidden halo on a white gold band.
Sale

Cushion Cut Tanzanite Ring in Sterling Silver (Hidden Halo)

Regular price $125 $112.50 (-10%)

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Aria Tanzanite Ring Set- Sterling Silver featuring a pear-shaped purple tanzanite center with round simulated diamond accents on polished sterling silver bands by Aquamarise.
Sale

Aria Tanzanite Ring Set- Sterling Silver

Regular price $115 $103.50 (-10%)

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Victoria Tanzanite Engagement Ring in Solid 14K Rose Gold

Victoria Tanzanite Engagement Ring in Solid 14K Rose Gold

$2,445

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per 

Teardrop Tanzanite Engagement Ring Set in 14K White Gold by Aquamarise Gold featuring a pear-shaped vibrant tanzanite surrounded by intricate diamond accents in a white gold setting.

Teardrop Tanzanite Engagement Ring Set in 14K White Gold

from $2,345

Unit price
per 

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Fantasy-inspired, handcrafted jewelry

Aquamarise® December birthstone jewelry features rings, necklaces, and earrings across 925 sterling silver and 14K gold vermeil with natural and lab-created tanzanite options throughout. Every piece is handcrafted using recycled metals and responsibly sourced stones with verified hardness and honest care guidance on every listing. Tanzanite sits at 6 to 7 on the Mohs hardness scale and suits protective settings for daily wear. Use the filters above to shop by product type, metal, or setting style.

Silver ring with blue gemstone surrounded by purple crystals on a light purple background

Why Choose Aquamarise® December Birthstone Jewelry?

Aquamarise® December birthstone jewelry is for buyers who want a stone with genuine geological rarity, a specific single-location origin, and a color that no other commonly used gemstone replicates in the same way.

A Color That Changes With the Light

Tanzanite's trichroic optical property means it shows different colors depending on the viewing angle and light source. Blue-violet in natural light. Deeper indigo under incandescent light. Occasionally, with flashes of burgundy in certain orientations. That color variability gives tanzanite a visual character that changes throughout the day without the dramatic color shift of alexandrite, producing a stone that rewards attention across every lighting condition the wearer encounters. The Marquise Tanzanite Ring Set in sterling silver is one example in which the marquise cut's elongated face shows the stone's blue-violet across its full surface.

Meaningful Jewelry for December Birthdays

Tanzanite carries associations with transformation, spiritual growth, and calm, which connect naturally to milestone birthday gifting and meaningful occasions. The Bezel Heart Tanzanite Pendant Necklace in sterling silver is one example of a December birthstone gift designed for daily wear, pairing the stone's blue-violet with a heart-shaped bezel setting in a minimalist profile suited to layering or wearing solo. Several December birthstone necklace and ring designs like this exist across the collection for buyers who want the gift to be worn rather than stored.

Hexagon Tanzanite Leaf Ring Set in Sterling Silver worn on hand, featuring a hexagon blue tanzanite with leaf-inspired bands by Aquamarise, from Sterling Silver Rings and December Birthstone collections.

Necklaces, Rings, and Earrings All Available

December birthstone jewelry at Aquamarise® spans every major product type rather than defaulting to pendant necklaces as the only gifting format. Ring sets, stacking bands, earrings, and pendant necklaces are all available in tanzanite across multiple price points and metals. That range means the right December birthstone piece exists for every recipient, regardless of their jewelry preferences or the occasion it is purchased for.

A Stone With Genuine Rarity

Tanzanite is found in a single mining area near Mount Kilimanjaro in Tanzania and nowhere else on earth. That geological exclusivity gives it a rarity credential that most gemstones used in fine jewelry at accessible price points do not have. For buyers who want a December birthstone piece with a genuine origin story behind the stone rather than a widely available alternative, tanzanite is the strongest choice in the collection.

Popular December Birthstone Jewelry Styles

Aquamarise® December birthstone jewelry is available across rings, necklaces, and earrings in 925 sterling silver and 14K gold vermeil. Browse by product type across Gemstone Rings, Gemstone Necklaces, and Gemstone Earrings. Shop by setting across Solitaire, Halo, Bezel, and Vintage Antique styles. Use the filters above to narrow by metal or setting style.

December Birthstone Jewelry FAQs

Explore More About December Birthstone Jewelry

Browse related collections and resources across the full Aquamarise® birthstone range. For a complete guide to every birth month stone, color, and meaning, learn more about birthstones by month in our guide.