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Tiffany & Co.
.21ct Harmony Solitaire Engagement 51 5.75
Price range
$615
Too few priced listings for a median
1
active listings
1
tracked variants
14d ago
last refresh
Pick your spec
1 variant trackedCurrent listings
1 listing| Listing | Posted | Condition | Authenticity | Price ↑ | ||
|---|---|---|---|---|---|---|
 | Fashionphile | 9/14/2026 | — | AuthenticatedFashionphile in-house authentication | $615 | View on Fashionphile |
Specifications
- brand
- Tiffany & Co.
- category
- Jewelry
- authentication method
- Fashionphile in-house authentication
We currently track 1 listing for the Tiffany & Co. .21ct Harmony Solitaire Engagement 51 5.75, with prices ranging from $615, from Fashionphile.
The Tiffany & Co. .21ct Harmony Solitaire Engagement 51 5.75 is a pre-owned Tiffany & Co. jewelry piece available for purchase across multiple resale platforms. Shop 1 active listing with prices ranging from $615. Find this item on Fashionphile. 1 listing is professionally authenticated, giving you added peace of mind when buying pre-owned.
.21ct Harmony Solitaire Engagement 51 5.75 Price Guide
Current market prices by condition and authenticity, based on active listings.
Price by authenticity
| Status | Listings | Price range |
|---|---|---|
| Authenticated / VerifiedListings with third-party authentication or platform verification | 1 | $615avg $615 |
Price History
Market Size
| Marketplace | Listings | Total value |
|---|---|---|
| Fashionphile | 1 | $615 |
| Total | 1 | $615 |
Listing counts in the condition and platform tables are filtered subsets (listings with a known condition or price). The “active listings” figure at the top of the page reflects all tracked active listings and may be higher.
