White & Green Onyx Marble Chess Set — 15-Inch | Handmade with Storage Box

This white and green onyx marble chess set is hand-carved from two natural stones — bright white marble and green onyx, one of the rarest stone varieties in the RADICALn collection. The green onyx pieces shift between forest green, warm amber, and cream depending on the light. No piece in the set looks the same twice.

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

What's Included in This White & Green Onyx Marble Chess Set

• 1 × 15-inch white and green onyx marble chess board — hand-cut from natural white marble with green onyx squares inlaid across the playing surface, solid slab construction, with an attached felt base to protect your table surface
• 32 × hand-carved natural stone chess pieces — 2 Kings, 2 Queens, 4 Bishops, 4 Knights, 4 Rooks, and 16 Pawns — 16 pieces in bright white marble and 16 in natural green onyx — 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 and to serve as complete gifting presentation packaging without additional wrapping
• 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 carries 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 damaged

Why Green Onyx — The Rarest Stone in Our Collection

Green onyx is not marble. It is a variety of chalcedony — a microcrystalline form of quartz — and it behaves differently from marble in almost every visual way that matters. Where marble has consistent color with veining, green onyx has layered translucency: forest green at depth, warming to amber and cream toward the surface, with occasional red and orange veining depending on the specific section of stone. In natural light, a green onyx chess piece appears different from how it looks under artificial light. In direct sunlight, the translucency of the stone becomes visible — the piece appears to glow from within rather than simply reflect from the surface.

This optical behavior is what makes the white and green onyx combination so distinctive. The white marble pieces are clean and consistent — they provide the neutral contrast that lets the green onyx read fully. The green onyx pieces are multi-tonal, translucent, and variable — no two pieces in the set are the same color at the same moment in the same light. Paired with white marble and a 15-inch board, this is the most visually complex set in the RADICALn range — and at $172 including a storage box, it is also our most premium standard offering.

Built for Display in Natural Light, Serious Play, and Exceptional Gifting

On a coffee table in natural light, the green onyx pieces become the most visually dynamic objects in the room — the layered green and amber tones shift as the light angle changes through the day. On a desk or bookshelf in a study, the set works as a functional art object in genuine geological material. In a contemporary, organic modern, Japandi, or dark academia interior, green onyx is the rare stone that looks intentional rather than decorative — it is the choice of someone who knows what green onyx is, which communicates something specific about the buyer and the recipient.

The included storage box makes this the most complete gifting package in the green onyx category. It is an exceptional Father's Day gift for a chess enthusiast who collects natural stone objects, a distinctive Christmas gift for the person who appreciates rare geological materials, a meaningful housewarming present for a natural-material or green-toned interior, a significant anniversary gift for a chess-playing couple, and a memorable birthday gift for a 40th, 50th, or 60th milestone where the rarity of the stone communicates the importance of the occasion.

Materials & Craftsmanship — Green Onyx and White Marble, Handmade

Green onyx is a variety of chalcedony — microcrystalline quartz — not a form of standard marble. Its characteristic multi-tonal coloring (forest green base, amber and cream mid-tones, occasional red or orange veining) is produced by trace mineral deposits formed during the stone's geological development. The stone is naturally semi-translucent when cut at thinner sections, giving green onyx pieces a depth of color that no opaque stone variety can produce. The green, amber, and cream tones visible in the uploaded image are the actual natural colors of the stone — no dye, coating, or surface treatment is applied.

The white pieces and white board surfaces are carved from natural white marble — a fine-grained metamorphic stone that polishes to a bright, clean 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 green onyx is a natural material with significant color variation between stone sections, the precise combination of green, amber, and cream tones in your specific set will differ from the product photography — your pieces will be the same green onyx stone variety, but the exact tonal arrangement will be unique to your set. Green onyx varies more between pieces than any other stone in our collection; this variation is its defining quality.

Specifications

How to Care for Your White & Green Onyx Marble Chess Set

• Cleaning: Wipe board and pieces with a slightly damp soft cloth and dry immediately. Green onyx, as a chalcedony variety, is harder than standard marble — but it is still porous enough to absorb moisture over time. Do not leave water sitting on the green onyx surfaces.
• What to avoid: Never use acid-based cleaners — vinegar, lemon juice, bleach, or standard household sprays damage both the green onyx and the white marble surfaces permanently. Use only a dry cloth for regular maintenance or a pH-neutral stone cleaner for deeper cleaning.
• Preserving the green onyx color: The multi-tonal green and amber tones of green onyx can shift with prolonged direct sunlight. UV exposure over months causes gradual color change in translucent stone varieties more visibly than in opaque stones. Position the board away from direct window light to preserve the full tonal depth of the green onyx long-term.
• Storage: Store pieces in the included luxury storage box or in separated soft cloth bags between uses. Keep green onyx and white marble pieces separated to prevent contact scratching between the two different stone harnesses.
• Handling: Green onyx is harder than standard marble and less prone to chipping, but it can still fracture if dropped on a hard floor from height. Contact us if a piece is damaged — our piece replacement service will source a matching replacement from the same green onyx variety.

Perfect For

• Father's Day — the rarest stone in the RADICALn collection makes this one of the most distinctive chess gifts available; the storage box makes it presentation-ready without additional wrapping; ideal for a chess-playing father who appreciates natural geological materials
• Christmas & holiday gifting — the deep forest green tones of green onyx have a natural resonance with the Christmas palette; arrives in a luxury storage box presentation-ready; a $172 premium gift that communicates specific, considered taste
• Birthday — milestone — 40th, 50th, 60th, and 70th birthdays where the gift must mark the significance of the occasion; the rarity of green onyx gives the gift a permanence and specificity that standard marble cannot match
• Housewarming — for a home with green-accented, natural, botanical, or organic modern interior design; green onyx is a stone that interior designers specifically choose for its color and translucency
• Wedding anniversary — the permanence and geological rarity of green onyx make this a fitting milestone anniversary gift; the storage box completes the presentation; particularly appropriate for couples with a love of natural materials or green-toned home aesthetics
• Valentine's Day — a lasting, rare, and visually stunning alternative to conventional gifts; the green onyx story gives the gift a depth of meaning that flowers or chocolates cannot
• Graduation — for the chess player or academic beginning a new chapter; a rare natural stone object that marks the transition with geological permanence
• Retirement — for a professional entering a period with more time for games and home; our most premium standard set at $172, appropriate for a career milestone
• New Year — a premium self-purchase for buyers seeking a significant quality upgrade; the rarest stone in the collection at the standard price point
• Thanksgiving — the warm amber tones within the green onyx align with autumn decor palettes; a family game gift that earns permanent display
• Mother's Day — for mothers who collect natural stone objects, appreciate green-toned interiors, or are drawn to rare geological materials in home decor
• Easter and spring — the forest green of green onyx is one of the most naturally spring-aligned stone colors; a distinctive alternative to seasonal consumable gifts
• Black Friday / Cyber Monday — the premium storage box set is our most purchased product during sale periods for buyers who have been considering a rare stone chess set
• Corporate gifting — for executive desks and client gifts where the recipient will recognize green onyx as a specific and considered material choice, not a generic gift
• Diwali — the warm green and amber tones of green onyx align with the festival's natural material aesthetic; a distinctive and lasting gift for the occasion
• Natural stone and mineral collectors — green onyx chess pieces are genuine chalcedony specimens as well as functional playing pieces; a meaningful gift for a geological collector
• Interior designers and home stagers — green onyx is a premium design material; this set is the chess set version of a green onyx accent piece, fully functional and display-appropriate

See It Unboxed — Customer Review

A customer who purchased this white and green onyx marble chess set filmed an unboxing and review video on their YouTube channel. It shows the storage box, the green onyx pieces in natural light, the board construction, and their first impressions of the set as delivered.

Watch the unboxing and review on YouTube →

This is an independent customer review — not sponsored or produced by RADICALn. We link to it because we believe the best way to understand what this set looks like in person, how the green onyx responds to natural light, and how the storage box presents on arrival is to see it through the eyes of someone who ordered it exactly as you would.

Explore the Full Range

• Same color without a storage box? See the Green Onyx & White 15-inch Standard Set ($125.90) →
• Want a smaller size? See the White & Green Onyx 12-inch Set ($99.50) →
• Prefer the premium antique finish? See the White & Green Antique 15-inch Set ($214.90) → — our highest-specification product
• Also play checkers in this color? See the matching White & Green Onyx Marble Checkers Set →
• Need standalone pieces? Shop Green Onyx & White Marble Chess Pieces →
• Browse the full collection: All Marble Chess Sets →  ·  All 15-Inch Chess Sets →  ·  All Board Games →

The white and green onyx marble chess set is the most geologically distinctive standard product in the RADICALn collection — a 15-inch handmade green onyx chess set where the rarity of the stone, the complexity of its color, and the completeness of the included storage box package make it the natural choice for buyers who want the very best of what natural stone can produce in a chess set. Every set ships free across the United States with a 30-day return guarantee. Questions about the green onyx stone, the piece dimensions, how it responds to your specific lighting, or anything else before you order — contact us directly. We know every set we make.