Giantto Designer Jewelry, located at 18380 Ventura Blvd, Tarzana, CA 91356, is a prominent destination for those seeking exquisite engagement ring creations. The store is known for its unique blend of contemporary designs and impeccable craftsmanship, featuring stunning gemstones. Customers often report a positive shopping atmosphere characterized by knowledgeable and friendly staff, including owner GG, who has garnered a loyal following.

Operating hours are as follows:
| Day | Hours |
|-----------|--------------------|
| Monday | 10:00 AM - 6:00 PM |
| Tuesday | 10:00 AM - 6:00 PM |
| Wednesday | 10:00 AM - 6:00 PM |
| Thursday | 10:00 AM - 6:00 PM |
| Friday | 10:00 AM - 6:00 PM |
| Saturday | Closed |
| Sunday | Closed |

The jeweler is well-regarded for its engagement ring creation services, offering both custom designs and a selection of high-quality pieces. However, reviews also indicate some dissatisfaction; a few customers experienced issues with repairs and customer service, leading to frustration.

Overall Sentiment from Online Customer Reviews:
Positive: 60%
Neutral: 20%
Negative: 20%

Highlight Reviews:
Best Review: A customer praised Giantto for its exceptional selection of jewelry and knowledgeable staff, expressing gratitude for the personalized attention received during their visit, which enhanced their overall experience.
Worst Review: Another customer reported a negative experience regarding a consignment issue, claiming a lack of communication and dissatisfaction with the service received, leading to significant disappointment.

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