Listing № 57931 · San Antonio, TX
Blue Diamond
Jeweler in San Antonio, Texas
2602 N Loop 1604 W, Ste 103, San Antonio, TX 78248
Sells: U.S. coins, Bullion, Paper money, Jewelry. Inventory categories & services
Buys: U.S. coins, Gold coins, Silver coins, Bullion bars & rounds. What they buy & services
Photos from Blue Diamond's website
Photos from the dealer's website · Scroll for more
Blue Diamond is a jeweler that also buys coins. For a whole collection, rare dates or graded coins, a dedicated coin shop will usually know the numismatic value better. Compare coin shops in San Antonio →
§ 01
What Blue Diamond buys and does
From Blue Diamond's own website (6 pages read). Hover a ✓ to see their wording.
They buy
- U.S. coins
- Gold coins
- Silver coins
- Bullion bars & rounds
- Estates & inherited coins
- Proof & mint sets
- Paper money
- World coins
- Gold jewelry & scrap
- Platinum
- Diamonds
- Watches
Services
- Free appraisals
- Paid appraisals ($195 per hour, $195 minimum; written statements take at least 48 hours)
- Written appraisals
- Insurance & estate appraisals
- Auctions
Pricing & payment
- In their words
- “we make our most aggressive offer the first time”
- Pays sellers by
- cash, check, wire
- Payment timing
- Same day
Specialties: Confederate currency · Republic of Texas banknotes · Hard Times tokens · Junk silver · Estate jewelry and watches · Designer handbags. Also sells: U.S. coins, Bullion, Paper money, Jewelry.
§ 02
What recent customers report
We read the 60 most recent public Google reviews (Apr 2026 – Oct 2026) and counted what they mention. We don't republish reviews. Read them on Google ↗
- Recent rating
- 4.7★
- last 60 reviews
- Reviews, past 12 months
- 60+
- busy shop
- Owner replies
- 97%
- 3 of 3 one- or two-star
- Fair-offer mentions
- —
- too few offer mentions
§ 03
Trust record
Credentials & licenses
- Texas Crafted Precious Metal Dealer registration (OCCC) #228466 · Active registry ↗
Named by local collectors
- Recommended in r/sanantonio (2020)
Who you'll deal with
- Adam Bluestein · owner · GIA Diamond Graduate, gemologist and auctioneer; TDLR license #16643
- David Bluestein · numismatist · Trading since 1981; studied coin grading under Kenneth Bresset; TDLR license #16604
- Carl Roza-Pereira · numismatist · 35+ years in the coin industry; bullion, world coins and currency
- Ethan Wolf · numismatist
- ◆Owners Adam and David Bluestein co-host the KLUP radio show "In The Money".
- ◆Did appraisals and liquidations for bank trust departments and local FBI and DEA offices.
- ◆Site cites a Coin World columnist ranking its coin auctions among the Top 10 internet coin auctions.
- ◆Fixed-price tags with no haggling; says its first offer when buying is its best offer.
- ◆Scales sealed for accuracy by the Texas Department of Agriculture.
Source: Blue Diamond's website, read Oct 2026.
§ 04
Before you sell here
- 1
Know your metal floor before you walk in.
Gold is — and silver — an ounce right now. Our offer checker shows what your coins are worth in metal and whether an offer is fair.
- 2
Know Texas's seller rules.
No Texas state law sets ID, hold-period, or payment rules for an ordinary coin shop buying your coins or bullion bars: the state crafted-precious-metal law expressly excludes coins, bars and commemorative medallions. State rules do apply if you sell jewelry, silverware or other crafted precious metal to a registered dealer (you file a list describing the items with your certification that it is true, the dealer records your driver's license or Texas ID number and reports to police within 48 hours) or sell anything, coins included, to a licensed pawnshop (photo ID, a purchase record, and usually a 20-day hold).
Coins and bars at an ordinary coin dealer: no state hold period, because the state crafted-precious-metal definition excludes coins, bars and commemorative medallions (Occ.
Source: Texas Occupations Code Ch. 1956 (official statute site, HTML) - Subchapter B: Sale of Crafted Precious Metal to Dealers (Secs. 1956.051, 1956.062-1956.066); Secs. 1956.0381-1956.0382 (metal recycling entities), Texas Finance Code Ch. 371 - Pawnshops (official statute site, HTML): Secs. 371.152, 371.174, 371.176, 371.177, 371.182 · All Texas rules
- 3
Call ahead for anything bigger than a few coins.
Ask whether the person who prices collections is in that day, and whether they pay by cash or check or wire for larger amounts.
- 4
Get a second offer.
There are 11 other coin buyers within 10 miles — compare them below. Read how to sell a coin collection first if this is your first time.
Questions to ask Blue Diamond
We couldn't confirm these from public sources, so ask before you go:
- What would you pay today for a 1 oz American Silver Eagle, and for $1 face value of pre-1965 silver? (Ask two shops the same question to compare.)
§ 05
Compare coin buyers near San Antonio
How it compares in San Antonio
- Google reviews3rd of 13 · 633
- Reviews in the past year1st of 13 · 60
- Owner replies to reviews2nd of 13 · 97%
- Hours open per week7th of 13 · 40 h
Among 14 coin buyers we list in San Antonio. Ranks describe one measure each; none is a verdict.
If this shop isn't the right fit
- Nearest dedicated coin shop: San Antonio Coin Company~3.6 mi
- Nearest open on Sunday: Alamo Antique Mall~12 mi
- Nearest NGC-authorized dealer: Great Southern Coins~19 mi
| Dealer | Type | Distance | Fair-offer mentions | Sat / Sun | |
|---|---|---|---|---|---|
| Blue Diamond (this shop) | Jeweler | — | 4.9★ (633) | — | Sat / – |
| Lone Star CoinsSan Antonio | Coin shop | 6.3 mi | 4.7★ (914) | 100% | Sat / – |
| Alamo Heights Coin ShopSan Antonio | Coin shop | 8.5 mi | 4.6★ (541) | — | Sat / – |
| Harry's Coins & JewelrySan Antonio | Coin shop | 8.9 mi | 4.3★ (143) | 67% | – / – |
| Royalty CoinsSan Antonio | Coin shop | 13 mi | 3.8★ (134) | 83% | – / – |
| Rufer's Coin CompanySan Antonio | Coin shop | 9.1 mi | 3.7★ (94) | 50% | Sat / – |
| San Antonio Coin CompanySan Antonio | Appointment-only dealer | 3.6 mi | 4.9★ (94) | 100% | – / – |
| Great Southern CoinsBoerne | Appointment-only dealer | 19 mi | 4.8★ (546) | — | – / – |
| Ernesto's JewleryNew Braunfels | Jeweler | 27 mi | 4.4★ (161) | — | Sat / – |