agi is the first international diamond laboratory to open a dedicated diamond grading and valuation laboratory in the UK to provide its high class service and superior turnaround times to the UK.

agi has been at forefront of diamond grading and certification since its inception almost 50 years ago, helping our customers achieve their goals.

agi offers a range of certification services, including a customised diamond sealing service and valuation reports, all of which are graded according to industry standards

agi is the first international diamond laboratory to open a dedicated diamond grading and valuation laboratory in the UK to provide its high class service and superior turnaround times to the UK Jewellery market, established in the UK in 2000.

Diamond Grading, Gem Stone Identification, Jewellery Valuation.

agi is located in the Prestwich area of Bury. There are at least 10 other listings in the M25 postcode area.

Jewellers in Bury M25

Number of Employees: 11-50

• Antique
• Designer
• Diamond
• Earrings
• Engagement
• Gemstone
• Gold
• Jeweler
• Pearl
• Platinum
• Repairs
• Rings
• Ruby
• Sapphire
• Stones
• Wedding