Black & Fossil Coral Marble Chess Set — 15-Inch | Handmade with Storage Box

This black and fossil coral marble chess set is hand-carved from two of the most visually distinctive natural stones available — deep black marble and fossil coral, a sedimentary stone embedded with the preserved remains of ancient marine organisms. The result is a 15-inch playing and display set where no two pieces carry the same surface pattern, and where every square on the board tells a different geological story.

15-inch board  ·  32 hand-polished marble pieces  ·  King 3.5 in  ·  Storage box included free  ·  Free US shipping  ·  30-day returns

What's Included in This Black & Fossil Coral Marble Chess Set

• 1 × 15-inch marble chess board — hand-cut from natural black and fossil coral marble, solid slab construction with alternating black marble and fossil coral squares inlaid across the playing surface, attached felt base to protect your table from scratches
• 32 × hand-carved natural stone chess pieces — 2 Kings, 2 Queens, 4 Bishops, 4 Knights, 4 Rooks, and 16 Pawns — 16 pieces in deep black marble and 16 in natural fossil coral stone — each individually hand-carved to Staunton form and hand-polished to a smooth finish
• 1 × luxury storage box — included free of charge, designed to hold the board and all 32 pieces securely between uses and to serve as presentation-ready gifting packaging without any additional wrapping required
• Individual felt bottoms for all 32 pieces — a separate felt bottom packet is included for every piece, preventing contact scratching during play and storage; the board also has an attached felt base
• RADICALn branded secure fragile packaging — purpose-built for natural stone transit, with a piece replacement service available if any piece is ever chipped or damaged

Why Fossil Coral Marble — The Rarest Stone in Our Collection

Fossil coral is not marble in the conventional sense. It is a sedimentary stone — formed from ancient coral reef organisms compressed and mineralized over hundreds of millions of years. The distinctive surface patterns you see on each coral piece and across the coral board squares are the preserved outlines of actual marine organisms: coral polyps, shell fragments, and organic matter that lived in prehistoric seas. No two sections of fossil coral stone ever produce the same pattern. This means that the fossil coral pieces in your set are genuinely one-of-a-kind objects — not just unique to your set, but unique to the specific section of stone they were cut from.

Paired with deep black marble — which provides the clean, high-contrast counterpoint that makes the fossil patterns read clearly — the black and fossil coral combination is the most texturally complex and visually detailed set in the RADICALn range. If you want a chess set that rewards closer inspection, this is it. The more you look at a fossil coral piece, the more geological detail you find.

Built for Curious Collectors, Serious Players, and Thoughtful Gifting

On a coffee table or sideboard, this set provokes curiosity in a way that plain marble cannot — the fossil patterns invite guests to pick up pieces and look closely, making it as much a conversation piece as a chess set. In a study, library, or home office, it works as a permanent display object with geological significance. As a gift, the storage box makes it presentation-ready without additional wrapping, and the rarity of fossil coral stone gives the gift a narrative — something the recipient can explain and that no one else is likely to own.

It is a natural choice as a Father's Day gift for a chess-playing father or grandfather, a Christmas gift for a collector of natural materials, a housewarming gift for a design-conscious homeowner, a birthday gift for a chess enthusiast aged 40, 50, or 60, a wedding anniversary gift for a couple who appreciates natural stone objects, and a retirement gift for a man who has everything. The $172 price point positions it as a genuinely premium gift — significant without being extravagant — and the storage box eliminates the need for additional gift packaging.

Materials & Craftsmanship — Ancient Stone, Handmade Today

The fossil coral pieces and coral board squares in this set are cut from genuine natural fossil coral stone — a sedimentary rock formed from the compressed and mineralized remains of ancient marine coral organisms. The warm beige-tan base color with dark brown fossil patterning is the natural color of the stone; no dyes, pigments, or surface treatments are applied. The black pieces and black board squares are carved from natural black marble — a dense, fine-grained metamorphic stone that polishes to a deep, consistent reflective surface. Each board is hand-cut from solid stone and squared by hand. Every one of the 32 pieces is individually hand-carved to Staunton form and hand-polished after carving. Because both stone varieties are natural materials, the precise arrangement of fossil patterns, the intensity of the dark brown detailing, and the depth of the black will vary slightly between sets — your set is a unique configuration of geological material that does not exist in duplicate form anywhere in the world.

Specifications

How to Care for Your Black & Fossil Coral Marble Chess Set

• Cleaning: Wipe board and pieces with a slightly damp soft cloth and dry immediately. Never leave moisture sitting on the stone surface — fossil coral is a sedimentary stone and slightly more porous than metamorphic marble, making moisture management especially important for the coral pieces.
• What to avoid: Never use acid-based cleaners — vinegar, lemon juice, bleach, or household cleaning sprays. These etch and permanently damage both the fossil coral and the black marble surfaces. Use only a dry cloth or pH-neutral stone cleaner.
• Handling the fossil patterns: The fossil organism impressions on the coral pieces are surface features of the stone, not applied decoration. They cannot be worn away by normal handling — but abrasive cleaning will damage them permanently. Handle pieces normally; clean gently.
• Storage: Store pieces in the included luxury storage box or in soft cloth bags between uses. Keep pieces separated to prevent contact scratching between the fossil coral and black marble surfaces.
• Handling: Natural stone can chip if dropped on a hard floor from height. If a piece is damaged, contact us — our piece replacement service will source a matching replacement from the same fossil coral or black marble variety.

Perfect For

• Father's Day — for a chess-playing father or grandfather who appreciates natural materials, geological curiosities, or bold home objects; the storage box makes it presentation-ready without gift wrapping
• Christmas & holiday gifting — a permanent, distinctive gift that stands out from consumable alternatives; arrives in storage box packaging appropriate for giving directly
• Birthday — milestone — 40th, 50th, 60th, and 70th birthdays where the gift must communicate genuine significance; natural stone with geological history does that in a way manufactured gifts cannot
• Wedding anniversary — the permanence of natural stone and the rarity of fossil coral make this a meaningful anniversary gift for chess-playing couples and natural material collectors
• Housewarming — for a design-conscious new homeowner; the fossil coral surface texture gives the set a visual depth that works equally well in contemporary, transitional, and natural aesthetic interiors
• Valentine's Day — a lasting and genuinely unusual alternative to flowers; the storage box makes it presentation-ready and the rarity of fossil coral gives the gift a story to tell
• Graduation — for the chess player beginning a new chapter; a permanent object with natural scientific significance suits an academic occasion
• Retirement gift — for a professional entering a phase with more time for games and home; a high-quality natural stone set that improves in character with years of use
• New Year — a premium self-purchase or quality upgrade at year's start
• Thanksgiving — a family game gift used at the gathering and stored elegantly between occasions
• Easter — a sophisticated alternative to candy-based gifting for adult recipients
• Black Friday / Cyber Monday — our peak period for premium chess set purchases; storage box sets are the most popular self-purchase upgrade
• Mother's Day — for chess-playing mothers and women who collect natural stone objects or appreciate bold, earthy home decor pieces
• Corporate gifting — for client gifts and executive desk pieces that communicate specific, considered taste and natural material appreciation
• Diwali & Eid — the warm earthy tones of fossil coral align with both festivals' natural and warm aesthetic; a lasting and meaningful festive gift
• Natural stone and fossil collectors — buyers who collect geological specimens and appreciate that every fossil coral piece contains genuinely preserved ancient marine organisms
• Interior designers and home stagers — the fossil coral surface texture adds organic visual complexity that complements natural, earthy, coastal, and contemporary interior styles

Explore the Full Range

• Same color without a storage box? See the Black & Fossil Coral 15-inch Standard Set ($125.90) →
• Want a smaller size? See the Black & Fossil Coral 12-inch Set ($99.90) →
• Prefer an antique finish? See the Black & Coral Antique 15-inch Set ($171.35) →
• Also play checkers? See the matching Black & Coral Marble Checkers Set ($109.50) →
• Need standalone pieces? Shop Black & Coral Marble Chess Pieces ($75.85) →
• Browse the full collection: All Marble Chess Sets →  ·  All 15-Inch Chess Sets →  ·  All Board Games →

This handmade black and fossil coral marble chess set is one of the most texturally distinctive sets in the RADICALn collection — a 15-inch natural stone set where fossil coral pieces carry genuine geological history on their surface, paired with the clean contrast of deep black marble. Every set ships free across the United States with a 30-day return guarantee and arrives in a luxury storage box included at no extra cost. If you have questions about the fossil coral stone, the dimensions, or whether this set suits a particular space or gifting occasion — reach out directly. We know every set we make.