Diamonds & Solid Gold
✨ Luxe Looks Under $300 ✨
Thoughtful, timeless, and anything but ordinary—these Coastal Carats favorites clock in under $300 without compromising on sparkle. Whether you’re shopping for a birthday, bridesmaid, anniversary, or “just because,” these pieces make meaningful gifts that feel personal and elevated.
From floating diamonds to charm-studded chains and dainty welded designs, these under-$300 treasures are perfect for stacking, gifting, and wearing every day. Free gift wrapping available upon request.
Not finding what you’re looking for?
Create something custom!
Vintage & Antique Collection
Timeless Treasures Restored & Reimagined
Discover our carefully curated collection of estate jewelry including stunning vintage engagement rings and antique wedding bands sourced from a diverse network of estate sales, antique dealers, online marketplaces, and specialty auctions. Each piece tells a story, carrying decades of history while offering exceptional value and unique character that simply cannot be found in contemporary jewelry.
✨ Authentic Estate Pieces
We offer stunning vintage jewelry, antique engagement rings, and estate wedding bands that have been professionally cleaned and authenticated. These treasures are sold in their original form, preserving their historical integrity while ensuring they're ready to wear and cherish for generations to come.
💎 Modern Conversions & Restorations
Transform cherished estate jewelry into contemporary wearable pieces. Our skilled craftsmen specialize in converting clip-on earrings to comfortable studs, repurposing brooches as elegant pendants, and updating vintage ring settings to accommodate modern lifestyles while maintaining the piece's original charm.
💕 Our Sourcing Network
At Coastal Carats, we maintain an extensive network to bring you the finest vintage and antique jewelry available. Our dedicated team actively searches through estate sales, antique dealers, auction houses, online marketplaces, and specialty jewelry sources to discover authentic pieces with character and history.
This comprehensive approach ensures our inventory features an ever-changing selection of authenticated estate jewelry at exceptional prices, from Art Deco masterpieces to mid-century modern designs.
👑 What Makes Our Estate Collection Special
Carefully Sourced: Each piece is hand-selected from our extensive network of estate sales, antique dealers, auctions, and specialty sources.
Custom Modifications: We modernize vintage pieces to suit contemporary preferences and comfort.
Exceptional Value: Vintage, antique and estate jewelry provides luxury at a fraction of the cost of new pieces.
Expert Restoration: Our jewelers meticulously clean and restore each piece using traditional techniques.
Unique Character: Every estate piece features distinctive design elements not found in modern jewelry.
Sustainable Choice: Choosing estate jewelry is an environmentally conscious decision and is a timeless alternative to modern jewelry.
💍 Vintage Engagement Rings & Wedding Bands
Our collection features an exquisite selection of vintage engagement rings and antique wedding bands from various eras, each offering distinctive craftsmanship and timeless elegance. From Art Deco geometric designs to Victorian romantic motifs, these estate engagement rings provide couples with unique alternatives to mass-produced modern rings.
Fresh Arrivals Weekly!
Our estate jewelry inventory is continuously updated with new acquisitions from our extensive sourcing network. Visit us regularly or join our email list to be notified of exceptional new pieces as they become available.
Floating Diamonds & Gemstones
Modern Heirloom Jewelry, Reimagined
Experience the revolutionary beauty of our signature floating diamond and gemstone charms—where cutting-edge jewelry engineering meets timeless elegance. Each stone appears to hover weightlessly on your chain, creating an enchanting illusion of suspended sparkle that captures light from every angle.
✨ The Science Behind the Magic
Our precision-drilled floating charms represent a breakthrough in modern jewelry design. Unlike traditional prong settings that can snag clothing or lose stones, our patented drilling technique creates a secure, seamless connection that allows each diamond or gemstone to move freely and naturally. This innovative approach delivers:
Superior Security & Comfort
Zero-snag design perfect for active lifestyles
Laboratory-tested durability for everyday wear
Smooth, comfortable feel against skin
No sharp edges or protruding metal
Unmatched Light Performance
360-degree light exposure maximizes brilliance
Natural movement creates dynamic sparkle patterns
Enhanced fire and scintillation compared to traditional settings
Optimal light refraction through unobstructed stone surfaces
💎 Ethically Sourced, Expertly Crafted
Lab-Grown Diamond Excellence
Our lab-grown diamonds offer identical physical, chemical, and optical properties to mined diamonds while supporting environmental sustainability. Each stone undergoes rigorous quality assessment to ensure exceptional clarity, color, and cut quality that rivals the world's finest natural diamonds.
Vintage & Reclaimed Gemstone Treasures
Many of our floating charms feature carefully selected vintage gemstones and reclaimed diamonds, giving new life to stones with rich histories. This sustainable approach reduces environmental impact while offering unique character impossible to replicate in modern production.
Premium Natural Gemstone Selection
For those preferring natural stones, our curated collection includes:
Ceylon Sapphires: Known for exceptional clarity and vibrant color
Burmese Rubies: Featuring the coveted "pigeon's blood" red
Vintage Rose-Cut Diamonds: Antique cuts with romantic appeal
Rare Colored Diamonds: Including champagne, cognac, fancy blue, pink, yellowand salt-and-pepper varieties
💕 Handcrafted in New Jersey: Where Tradition Meets Innovation
Every floating charm is hand-assembled in our New Jersey studio by master craftspeople who combine old-world techniques with modern precision. Our process includes:
Stone Selection: Each gemstone undergoes individual quality assessment
Precision Drilling: Advanced laser drilling creates perfectly sized channels
14K Gold Integration: Premium jump rings crafted from solid 14k gold or platinum
Quality Assurance: Multiple inspection points ensure lasting beauty
Final Assembly: Hand-finished touches for flawless presentation
🧵 Versatile Design for Every Style
Layer with Confidence Our floating charms are designed for effortless layering, allowing you to create sophisticated jewelry combinations that reflect your personal style. Mix different stone sizes, colors, and cuts to build a collection that evolves with your taste.
Activity-Friendly Luxury Whether you're playing tennis, running on the beach, or navigating your daily routine, our floating charms are engineered to withstand active lifestyles without sacrificing elegance. The streamlined design eliminates common jewelry inconveniences while maintaining sophisticated appeal.
🏆 Sustainable Luxury You Can Feel Good About
By choosing Coastal Carats floating charms, you're supporting:
Environmental Responsibility: Reduced mining impact through lab-grown and reclaimed stones
Ethical Sourcing: Transparent supply chain with verified origins
Local Craftsmanship: Supporting American artisans and traditional techniques
Waste Reduction: Upcycling vintage jewelry into contemporary designs
🏆 Investment-Quality Heirlooms
Our floating diamond and gemstone charms aren't just jewelry—they're modern heirlooms designed to be treasured for generations. Each piece comes with:
Certificate of authenticity for diamonds and precious gemstones
Detailed care instructions for lasting beauty
Lifetime craftsmanship warranty
Ready to experience the magic of floating diamonds and gemstones?
Discover how our innovative approach to jewelry design creates pieces that are as functional as they are beautiful—modern treasures that move with you, sparkle with every gesture, and tell your unique story through sustainable luxury.