JK & Co. Jewelers

The Best Custom Engagment Ring Designers in Los Angeles. We offer GIA Certified Diamonds as well as Lab Grown Diamond Alternatives.

Established in 2015.
GIA Certified Diamond Experts and Accredited Jewelry Professionals. Experience and background working with high-end custom designers, large carat diamond cutters, and respected jewelry professionals all over the world. Our Boutique is located in Santa Monica on Main Street. We Serve the Los Angeles, Santa Monica, Marina Del Rey, and Beverly Hills area.

Matthew K. and Abe J.
Business Owner
JK & Co. was established by Abe Jacobs and Matthew Kaufmann with the mission of providing clients a personal, educated and transparent experience in the jewelry business. Their knowledge and passion for jewelry stems from years of experience working with high-end custom designers, large carat diamond cutters, and respected industry professionals all over the world. Both founders are Diamond Experts and Accredited Jewelry Professionals certified by the Gemological Institute of America (GIA), the largest and most respected educational institution in the industry. JK & Co. was built on the core values of honesty, transparency and ethical practices in the jewelry business.