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12.83ctw Boulder Opal, 1.22ct Black Opal, 5.27ctw Tanzanite and 4.63ctw Sapphire Necklace
Necklace with blue gemstones and gold chain worn by a person
12.83ctw Boulder Opal, 1.22ct Black Opal, 5.27ctw Tanzanite and 4.63ctw Sapphire Necklace
Gold necklace with blue and green gemstones on a light background
Necklace with multicolored gemstones on a soft pink background

12.83ctw Boulder Opal, 1.22ct Black Opal, 5.27ctw Tanzanite and 4.63ctw Sapphire Necklace

$31,000.00
Color
14k Yellow Gold
Size 14k Yellow Gold

Marrow offers one complimentary resize per piece, ensuring your fit feels just right.

A one-of-a-kind necklace. Rare boulder and black opals meet tanzanite and natural Sri Lankan sapphires, all set in 14K yellow gold. Each uniquely cut stone—cushion, shield, snakehead—catches the light differently across 18" of effortless impact. A mega statement for your neckline.

Jillian's Design Notes:
"These colors are incredible and remind me of gazing into deep ocean waters. The boulder opal and tanzanite are a fantastic tonal pairing and are complemented so beautifully by the 14k yellow gold bezels. I collected these stones over several years and visits to the Tucson gem show so it feels extra special and bespoke."

Stone #1 & #6: 3.46ctw Boulder Opal Pair, C Grade Australian Boulder Opal, 10.19x7.25mm
Stone #2: 3.28ct Tanzanite Snakehead, 8.62x7.01mm
Stone #3 & #8: 9.54ctw Boulder Opal Pair, A Grade Australian Boulder Opal, 14.80x8.78mm
Stone #4: 1.99ct Tanzanite Snakehead, 9.52x8.23mm
Stone #5: 2.56ct Sapphire Cushion, Sri Lankan; natural, 7.68x6.77mm
Stone #7: 2.07ct Sapphire Shield, 7.42x7.85mm
Stone #9: 1.22ct Black Opal, Lightning Ridge, Australia, 8.60x7.01
14k yellow gold

  • 14k Gold: Our 14k gold pieces can last a lifetime with proper care. Featuring recycled gold whenever possible, our 14k gold pieces are durable enough for everyday wear.
  • Opal: Opal, known for its stunning play-of-color, displays a mesmerizing range of hues from fiery reds and oranges to cool blues and greens. Symbolizing inspiration and creativity, opal is believed to enhance imagination and bring emotional balance to its wearer. Opals are found in various locations worldwide, including Australia, Ethiopia, Mexico, and the United States.
  • Sapphire: Sapphires are known for their durability and range of colors. While the most sought-after sapphires are deep blue, they are also found in a variety of other colors, including pink, yellow, green, orange, purple, and even colorless. Symbolizing wisdom and nobility, sapphire is believed to bring clarity and insight to its wearer. This popular gem is usually found in several locations worldwide, including Sri Lanka, Burma, Madagascar, Australia and Montana.
  • Tanzanite: Tanzanite is celebrated for its stunning blue to violet hues, often showcasing a mesmerizing trichroic effect. Symbolizing transformation and insight, this rare gemstone was discovered in the 1960s near Mount Kilimanjaro in Tanzania, making it a cherished treasure.

Unless otherwise noted, unworn line item jewelry and ready-to-ship one of a kind jewelry may be returned within 10 days of receiving your order.

Returns are subject to a 10% restocking fee or 100% store credit, along with a $60 insured shipping fee.

Marrow does not issue refunds, store credit, or exchanges for custom jewelry.


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12.83ctw Boulder Opal, 1.22ct Black Opal, 5.27ctw Tanzanite and 4.63ctw Sapphire Necklace

$31,000.00

Made for You

Rather than mass-producing, most Marrow Fine pieces are made to order — created in your exact size and selected gold. This slower, more intentional process allows us to craft thoughtfully, beginning your piece the moment you decide it’s yours.

Worn & Lived In

Made to be worn, loved, and truly lived in. We craft each piece in reclaimed 14k gold with ethically sourced gemstones, selecting every material with intention and longevity in mind. Designed for stacking, layering, and evolving with you.

Considered Crafstmanship

Each piece is cast, set, and polished by skilled jewelers who understand the nuance of fine jewelry. From the curve of a band to the final polish, every detail is considered — because pieces meant to last deserve nothing less.

Flat lay of Freeform Gold Ring, Asymmetrical Sculpted Band and White Diamond Pave Ring

"Classic jewelry pieces that should live in every jewelry box."

Vogue

As loved by

The attention to detail was over the top, but like in the best way, from the moment we walked in to the moment we opened the beautiful box. They know what they're doing here! Thanks again for everything!

Honestly, I have absolutely no words for how incredible Marrow Fine is. The detail, aesthetic and knowledge this showroom holds is truly one of a kind.

I worked with Marrow to pick out a new wedding stack after losing my wedding ring. I love Marrow's selection and style; there's nothing quite like it in the industry.

Marrow has been great to work with! We have been shopping from Marrow over the last two years and love their unique pieces.

Loved the experience I had! Have been searching for the perfect bands for a while and Marrow finally helped me find them!