The Missing Diamond: A Cozy Regency Historical Mystery With Sweet Romance (The Crown Jewels Regency Mysteries Book 1)

Name: The Missing Diamond: A Cozy Regency Historical Mystery With Sweet Romance (The Crown Jewels Regency Mysteries Book 1)
Price: 0.99 USD
Availability: InStock
Rating: 4.3 (2334 reviews)
Author: Lynn Morrison

by Lynn Morrison

Romance Mystery Thriller Historical Fiction

4.3 (2,334)

4.3 stars from 2,334 reviews. Top 77% of Romance books we track.

$0.99KU80% off peak

Last checked: Jun 10, 2026

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Price history: $0.99 – $4.99

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Price range: $0.99 – $4.99

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Perfect for you if...

You enjoy historical mysteries with genuine tension and a slow-burn romance that deepens as the plot unfolds, not overshadows it.
You appreciate Regency settings where the social rules and stakes feel real, and breaking them carries actual consequences.
You like protagonists who are clever and resourceful enough to investigate on their own terms, not just swept along by circumstance.

Maybe not for you if...

You want your romance front and centre with mystery as a light subplot, as this balances investigation and relationship development equally.
You prefer cosy mysteries with no real danger or dark undertones; this book has genuine stakes and serious consequences.
You're looking for a standalone; this is book one in a series and ends with threads left open for the next instalments.

About this book

London, 1813: Lord Roland Percy must marry well to avoid being disowned by his grandfather. His chosen bride, a celebrated debutante, suddenly disappears. Lady Grace is convinced her best friend would not abandon her place in society without explanation. She begins investigating to find the truth, and her inquiries lead her before the Queen. Roland and Grace are forced to work together to search for the missing woman. As they navigate the secrets of London's elite, they develop a connection that could lead to either ruin or redemption. In a society where reputation is paramount, they must discover what happened before their feelings for each other become their undoing. This is the first book in the Crown Jewels Regency Mysteries series.

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Price History

Kindle price over time. Green zones = periods when the book was free.

$0.99 – $4.99

Currently on sale at $0.99 — 80% off peak. Price has dropped 4 times over the last 2 years. Goes on sale roughly every 169 days.

Sales Rank

Amazon sales rank: lower number = better selling book. #1 is the bestseller.

Currently #7,840 in the Kindle store — a top-10K bestseller.

Rating & Reviews

Purple line = star rating over time. Blue area = total review count growth.

Currently 4.3★ from 2,334 reviews

Gaining approximately 96 new reviews per month. Steady word of mouth growth. Rating has dipped slightly from 4.7 to 4.3.

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This book is currently discounted at $0.99. It typically returns to around $4.99.

Prices shown in USD from Amazon US. We continuously pull new data to improve tracking. If dates look old, it usually means there has been no significant change since the last data point.