18K Yellow Gold with Amethyst ring and earring set

Item Description:
This is a matching jewelry set featuring a ring and post-back earrings crafted from 18K yellow gold. Each piece is set with large, well-cut amethyst gemstones in an oval shape. The set dates approximately to the 1980s and weighs a total of 14.19 grams.

Ring Details:

• Material: 18K yellow gold
• Markings: Stamped "18K" inside band
• Stone:
  • 1 oval-cut amethyst approx. 14.45mm x 11.25mm
  • 2 small cubic zirconia (~1.5mm each)
  • 2 larger cubic zirconia (~1.75mm each)
• Ring size: US 6 3/4
• Condition: Good; minimal wear visible in high-resolution photos
• Estimated amethyst carat weight: Approximately 6.5–7.5 carats (based on dimensions and standard amethyst density)

Earring Details:

• Material: 18K yellow gold (verified via Olympus GoldX tester)
• Markings: None visible, but tests as 18K
• Stone:
  • 2 matching oval-cut amethysts approx. 13.30mm x 10.25mm
• Style: Clip-post style earrings
• Estimated amethyst carat weight (each): Approximately 5–5.5 carats

Total Estimated Gemstone Carat Weight:

Approx. 17–18.5 carats combined (amethysts only)

Authentication:

• The ring is clearly stamped “18K.”
• The earrings test positively as 18K gold with no visible stamp, which is not unusual for vintage or artisan-made pieces.
• The gemstones appear to be natural amethysts based on color, cut, and setting style.
• Olympus GoldX and other handheld precious metal testers provide reliable results for karat verification.

Estimated Value (2025 Market):

Retail Replacement Value:

• Ring: $550 – $700
• Earrings: $600 – $750
• Total: $1,150 – $1,450 USD

Fair Market Value (private sale or resale):

• Ring: $275 – $400
• Earrings: $300 – $450
• Total: $575 – $850 USD

Historical & Collectible Significance:

This type of gemstone jewelry set was popular during the 1980s when large, bold stones in solid yellow gold were fashionable. The amethysts are of rich medium-purple tone, well-matched, and faceted to reflect light beautifully. These types of sets were often sold through jewelers or boutique fine jewelry brands and sometimes custom-made.

Condition Notes:

• The ring and earrings are in good vintage condition.
• No chips or visible damage on the amethysts.
• The gold shows light surface wear consistent with age.

Recommendations:

• This set is suitable for wear or collection.
• If intended for insurance purposes, a formal in-person appraisal by a certified gemologist is recommended, especially to confirm stone origin and exact carat weights.
• Keep stored in a soft cloth pouch or jewelry box to protect the stones from scratches.