What is a Colt Diamondback worth?

Based on 69 completed auction sales, the Colt Diamondback has an average market value of $1,809. Prices range from $760 to $4,406.

Is now a good time to buy a Colt Diamondback?

The Colt Diamondback market is currently appreciating (up 4.0% vs 90-day average). Check Gunny's live deals for current scored listings.

Markets/Colt/Diamondback

Colt Diamondback

Name: Colt Diamondback
Brand: Colt
Price: 1808.7227536231885 USD

Confirmed (141 sales · all variants)High ConfidenceHigh Demand · 100% sell-through

$1,809market value↑ 4.0%— Stable

Appraise mine View deals

GUNNY VALUATION

Basic plan required

Upgrade to Basic to unlock AI market analysis for any firearm. Upgrade now →

Market Average

$1,809

90-day avg

30-Day Trend

+4.0%

Appreciating

Price Range

$760 – $4,406

12-month

Sales Tracked

0

completed sales

PRICE BY CONDITION

2 grades · 69 sales

Used

$1,618

36 sales· -11% vs mkt

Unspecified

$2,015

33 sales· +11% vs mkt

Price Trend141 sales

Active Listings

View all

1 / 5

90EXCELLENT

7d 17h

Colt Diamondback

.38 Special

$425mkt $1,050

1 bids+1

saves $625

✦60% below market

RIAC

Exceptional Colt Diamondback Ben Shostle Master Engraved GRAIL

1 / 21

89PRM

1d 6h

Colt Diamondback

.38 Special

$3,136mkt $8,500

33 bids

saves $5,364

✦63% below market

1978 Colt Diamondback .38 Spl 4" bbl Pachmayr Grips Bright Bore

1 / 23

77GREAT

2d 6h

Colt Diamondback

.38 Special

$320mkt $1,100

7 bids

saves $780

✦71% below market

1 / 5

74GOOD

7d 17h

Colt Diamondback

.38 Special

$1,200mkt $1,875

1 bids+1

saves $675

✦36% below market

RIAC

Colt Diamondback 4" 22LR Revolver Snake Gun Mfg 1978 Very Nice

1 / 72

73GOOD

1d 6h

Colt Diamondback

.22 LR

$782mkt $1,300

12 bids

saves $518

✦40% below market

1978 Colt Diamondback 6" .22 Long Rifle in OG Box *FACTORY BLUE FINISH*

1 / 24

72GOOD

1d 6h

Colt Diamondback

.22 LR

$2,050mkt $3,275

15 bids

saves $1,225

BoxCase

✦37% below market

Just Sold5 most recent

May 27UsedLate 70's Colt Diamondback, .38 Spl. 4" Revolver
$1,62510%
May 25UsedColt Diamondback Nickel - .38 SPL - MFG 1974 - Classic Snake Gun - NICE - C

Cross-Shop · Colt Diamondback vs Peers

Same class · within ±35% market

Smith & Wesson

$1,616

-11% vs anchor

-4.4%182 sales

More Colt Models

1911$22,41370 Single Action Army$19,74880 Python$5,21189 Detective Special$3,00075 Woodsman$1,89783 All Colt models →

Upcoming at Auction

RIAC

RIAC On Time Firearms Auction #5034

Closes Jun 7, 2026

View Catalog

Colt Diamondback Revolver

Est. $42590

Colt Diamondback Revolver

Est. $1,200