BBB Business Review

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BBB Accredited Business since

Diamond Vault of Troy

Phone: (248) 244-0600 Fax: (248) 244-8617 801 W Big Beaver Rd Ste 103, Troy, MI 48084 View Additional Email Addresses

BBB Business Reviews may not be reproduced for sales or promotional purposes.


Why does the Diamond Vault of Troy have the most positive reviews of any jeweler in Michigan? Personalized service extraordinaire, unbeatable pricing due to low overhead, FREE GemPrint on all center stones, FREE custom design on engagement rings, over 49 years of experience satisfying customers, and FREE coin consultations by our certified numismatist. The Diamond Vault of Troy is The Knot Magazine award winner “Best of Weddings” by brides 3 years running. Was featured on Detroit Local 4 Defenders with Karen Drew exposing coin buying scams. Better Business Bureau A+ rating. Best of Detroit readers choice award by Metro Times. Google Favorite Place - top 1% of all jewelers in the USA. Yelp “People Love Us” award as a Top Local Jeweler. We are a certified precious metal and gem dealer by the city of Troy, Michigan. Personal private appointments are the basis for the exceptional “buying experience” our clients rave about. A customer is given all the time and information they need in a non-pressured environment to make their diamond purchase. Satisfying our clients need and wants within their budget is our main goal, because we want to be your jeweler for life. We are known for our FREE custom ring design. This priceless feature enables us to create the engagement ring of her dreams. We buy gold, silver coins, and diamonds. Every item will be examined in front of you and the consultation is FREE. Don’t be misled; know what you have before you sell. You should not be satisfied with scrap silver pieces when you could be holding a very rare coin. The smallest of differences in grade, year, or mint mark can affect your price. If you need an appraisal for insurance purposes, our G.I.A certified gemologists are available on a fee bases service. If you would like to insure that your diamond can always be identified as your diamond, then get your diamond registered with GemPrint. This one-time registration will help protect your ring for life and give you a discount in your insurance rate. Most major insurance companies offer discounts from 5% to 10% off your annual fees. Diamond Vault of Troy is the only company in Michigan offering this service.

BBB Accreditation

A BBB Accredited Business since

BBB has determined that Diamond Vault of Troy meets BBB accreditation standards, which include a commitment to make a good faith effort to resolve any consumer complaints. BBB Accredited Businesses pay a fee for accreditation review/monitoring and for support of BBB services to the public.

BBB accreditation does not mean that the business' products or services have been evaluated or endorsed by BBB, or that BBB has made a determination as to the business' product quality or competency in performing services.

Reason for Rating

BBB rating is based on 13 factors. Get the details about the factors considered.

Factors that raised the rating for Diamond Vault of Troy include:

  • Length of time business has been operating
  • No complaints filed with BBB

Customer Complaints Summary

0 complaints closed with BBB in last 3 years | 0 closed in last 12 months
Complaint Type Total Closed Complaints
Advertising/Sales Issues 0
Billing/Collection Issues 0
Delivery Issues 0
Guarantee/Warranty Issues 0
Problems with Product/Service 0
Total Closed Complaints 0

Customer Reviews Summary Read customer reviews

0 Customer Reviews on Diamond Vault of Troy
Customer Experience Total Customer Reviews
Positive Experience 0
Neutral Experience 0
Negative Experience 0
Total Customer Reviews 0

Additional Information

BBB file opened: September 17, 1993 Business started: 01/01/2002 in MI Business incorporated 03/13/2003 in MI
Licensing, Bonding or Registration

This business is in an industry that may require professional licensing, bonding or registration. BBB encourages you to check with the appropriate agency to be certain any requirements are currently being met.

These agencies may include:

The Town or City Hall where the business is located.

Type of Entity


Business Management
Mr. Randal Cole, Business Partner
Contact Information
Principal: Mr. Timothy Mayer, President
Business Category

Jewelers - Retail Watches - Service & Repair Watches - Dealers Silverware Silversmiths & Goldsmiths Precious, Semi-Precious & Synthetic Pens & Pencils - Retail Jewelry Repair Jewelry Designers Jewelry Buyers Jewelry Advisory Service Jewelers - Wholesale Gold, Silver & Platinum Dealers Gold Buyers Diamonds Diamond Setters Diamond Buyers Coins,Stamps & Precious Metals Dealer Coin Dealers, Supplies Appraisers Appraisal - Management Appraisal - Jewelry

Products & Services

Diamond Vault of Troy sells the following brand(s): Fendi watches, Steffen watches, White Isle pearls and many other brands, Graf von Faber Castell, Peter Storm

Diamond Vault of Troy offers the following product(s): Bracelets Men's bands (Gold-Titanium-Tungsten), Certified Diamonds (GIA-HRD,-AGS-EGL), Diamond-Buyers, Expert Coin Consultations, Free Jewelry Cleanings, Gold-Buyers, Jewelers-Retail, Jewelry-Appraisals, Jewelry-Buyers, Jewelry-Design, Jewelry-Repair, Pendants

Method(s) of Payment
The Diamond Vault of Troy's payment policy is payment in full at delivery by cash, certified check, PayPal, all major credit cards, by bank wire or pre-approved in-store financing.
Refund and Exchange Policy
The Diamond Vault of Troy encourages insurance for your diamond purchases.  We'll gladly direct you to industry leading diamond insurers to cover its replacement value if lost or stolen.
Industry Tips
Selling Jewelry

BBB Customer Review Rating plus BBB Rating Overview

BBB Customer Reviews Rating represents the customers opinions of the business. The Customer Review Rating is based on the number of positive, neutral and negative customer reviews posted that are calculated to produce a score.

Customer Review Experience Value
Positive Review 5 points per review
Neutral Review 3 points per review
Negative Review 1 point per review

BBB letter grades represent the BBB's opinion of the business. The BBB grade is based on BBB file information about the business. In some cases, a business' grade may be lowered if the BBB does not have sufficient information about the business despite BBB requests for that information from the business.

BBB Letter Grade Scale

BBB Rating Value
A+ 5
A 4.66
A- 4.33
B+ 4
B 3.66
B- 3.33
C+ 3
C 2.66
C- 2.33
D+ 2
D 1.66
D- 1.33
F 1
NR -----
Star Rating scale

  Average Score
5 stars 5.00
4.5 stars 4.50-4.99
4 stars 4.00-4.49
3.5 stars 3.50-3.99
3 stars 3.00-3.49
2.5 stars 2.50-2.99
2 stars 2.00-2.49
1.5 stars 1.50-1.99
1 star 0-1.49

BBB Customer Review Rating plus BBB Rating is not a guarantee of a business' reliability or performance, and BBB recommends that consumers consider a business' BBB Rating and Customer Review Rating in addition to all other available information about the business. If the BBB Rating is NR then only Customer Reviews are used for the Star Rating.