Verified Seller

All sellers on Gem Harbor Auctions must comply with our Verified Sellers program which ensures a high degree of industry knowledge, consistent refund policy and wholesale pricing.

Gems Harbor Review

The Gems Harbor Review program allows our members to request an audit on any product, which is completed by an independent Gemologist who assesses the accuracy of the item description and pictures.

Store Details

Treasure Port

Treasure Port is your trusted destination for premium jewelry and gemstones... See More

Member Since 03 Oct 2025
All Items
GRS Certified Alexandrite 8.15 ct Amazing Color Change

Treasure Port

GRS Certified Alexandrite 8.15 ct Amazing Color Change

Price

$73350.00
GRS Certified Alexandrite 10.58 ct Amazing Color Change

Treasure Port

GRS Certified Alexandrite 10.58 ct Amazing Color Change

Price

$120000.00
AAA Grade Alexandrite Amazing 7.60 ct Color Change

Treasure Port

AAA Grade Alexandrite Amazing 7.60 ct Color Change

Price

$12000.00
Rare Andesine 3.32 ct Intense Orange Color Untreated SKU- 4

Treasure Port

Rare Andesine 3.32 ct Intense Orange Color Untreated SKU- 4

Price

$245.00
Amazing Santa Maria Color Aquamarine 19.90 Cts Loupe Clean

Treasure Port

Amazing Santa Maria Color Aquamarine 19.90 Cts Loupe Clean

Price

$15000.00