Kosmima Fine Jewelry, located at 1160 Boylston St, Chestnut Hill, MA, 02467, is a distinguished jeweler specializing in engagement ring creation and custom jewelry design. The shop is owned and operated by Pano Fytopoulos and Cathi, who bring over 35 years of expertise in fine jewelry craftsmanship to the Boston area. Known for their exceptional customer service, they guide clients through the entire process of designing unique engagement rings, encouraging creativity and individual expression. Reviews highlight their attentiveness, patience, and ability to realize heartfelt visions, making the ring creation experience enjoyable and memorable.

With a total of 67 reviews, the overall sentiment from online customer reviews is highly favorable. Positive feedback accounts for approximately 92%, expressing satisfaction with their services and the quality of the jewelry. Neutral reviews make up about 5%, while negative feedback is limited to around 3%.

Daily operating hours are as follows:
- Tuesday to Friday: 10:30 a.m. - 5:00 p.m.
- Saturday: 10:30 a.m. - 4:00 p.m.
- Sunday and Monday: Closed

Staff members include:
- Pano Fytopoulos (Owner & Designer)
- Cathi (Owner & Manager)

Best Review:
A customer praised Pano and Cathi for their creativity and patience in designing a personalized engagement ring, noting their friendly demeanor and expertise in making the process stress-free.

Worst Review:
One customer expressed dissatisfaction with a delayed resizing of an engagement ring, feeling that the service did not meet their expectations in terms of timing.

*For this overview, customer feedbacks were viewed on Yelp, Google, and Facebook.