Business Details
10 Years
experience
Ethical Fine Jewelry & Custom Designs in San Diego
Marrow Fine is an independent jewelry house founded in 2016, dedicated to crafting modern yet timeless fine jewelry designed to last generations. Our commitment to ethical practices is evident in our use of 100% reclaimed gold and conflict-free gemstones sourced through transparent, fair trade partnerships with family-owned suppliers. We specialize in creating unique, wearable pieces that encourage daily wear rather than reserved occasions, blending artistry with functionality. Our expertise extends to reworking heirloom jewelry, preserving sentimental value while modernizing designs to reflect contemporary tastes.Led by self-taught designer Jillian Sassone, we personally curate every diamond and gemstone, ensuring each piece tells a distinct story. With showrooms in San Diego and Newport Beach, we offer personalized styling consultations, virtual appointments, and trunk shows to connect with clients nationwide. Our dedication to mindful sourcing and exceptional craftsmanship has established us as a trusted name in fine jewelry that balances innovation with tradition.
Services
Engagement Rings
Wedding Bands
Custom Jewelry
Heirloom Reworking
Virtual Consultations
Trunk Shows
Diamond Studs
Stackable Rings
Tennis Bracelets
Pearl Jewelry
Details
- Year established: 2016
Highlights and features
- We use 100% reclaimed gold and conflict-free gemstones with transparent sourcing
- Our jewelry is designed for everyday wear, not just special occasions
- We specialize in reworking heirloom pieces with modern, personalized designs
- Founder Jillian Sassone personally sources every gemstone for quality assurance
- We offer virtual appointments and trunk shows for nationwide accessibility
Associations and certifications
- Kimberly Process
Services
Engagement Rings
Our engagement rings combine ethical sourcing with innovative design, offering lab-grown diamonds, antique stones, and unique colored gemstones. Each piece undergoes rigorous quality checks to ensure durability and brilliance while maintaining conflict-free provenance. Clients can choose from ready-to-ship designs or collaborate on custom creations that reflect personal stories and preferences.
Heirloom Reworking
We specialize in transforming cherished heirlooms into modern wearable art while preserving sentimental value. Our designers work closely with clients to reimagine outdated pieces using contemporary techniques that enhance functionality and style without compromising historical significance or material integrity.
Custom Designs
Our custom design process begins with one-on-one consultations to translate personal narratives into unique jewelry pieces. Using CAD technology and traditional craftsmanship, we create prototypes for approval before final production, ensuring every detail aligns with client vision and practical wearability requirements.
Virtual Appointments
Our virtual appointments provide personalized jewelry guidance through video conferencing platforms. Clients receive expert advice on stone selection, design options, and ethical sourcing practices from the comfort of their homes while accessing the same level of detailed consultation as in-person visits.
Trunk Shows
Our traveling trunk shows bring exclusive collections to various locations, offering immersive brand experiences beyond traditional retail settings. These events feature limited-time designs, direct interaction with our team, and special promotions available only during the event period.
People
Jillian Sassone
Founder & Designer
Self-taught jewelry designer with over a decade of experience transforming heirlooms into modern masterpieces. Established Marrow Fine in 2016 after discovering demand for personalized, ethically sourced fine jewelry that balances tradition with contemporary aesthetics.
Questions
What materials does Marrow Fine use in their jewelry?
We use 100% reclaimed gold and conflict-free gemstones sourced through ethical partnerships with family-owned suppliers following Kimberly Process standards.
Can I customize my engagement ring design?
Yes, we offer full customization services including stone selection, metal type, and bespoke design elements through our virtual or in-person consultations.
Do you work with lab-grown diamonds?
Yes, we offer lab-created diamond options alongside natural diamonds and colored gemstones for engagement rings and other jewelry pieces.
Can I visit your showroom without an appointment?
While walk-ins are welcome, we recommend booking appointments for dedicated styling sessions and personalized assistance with our jewelry experts.
What is your return policy?
Custom and sale items are final sale. Regular priced items may be returned within 14 days of delivery receipt with prior authorization.
How do you ensure ethical sourcing?
We maintain transparent supply chains through long-term partnerships with vetted suppliers who follow fair labor practices and environmental standards.