Antique GIA Diamond Pinctada Pearl Brooch Pendant

14K Yellow Gold Diamond & Natural Saltwater Pearl Brooch Pendant · 5.00 ctw Old Mine Cut · Victorian Era · GIA Certified

An exceptional and highly collectible Victorian-era brooch pendant, crafted in solid 14kt yellow gold and centered by a natural saltwater pearl of significant size and rarity, surrounded by 28 old mine cut diamonds totaling 5.00 ctw.

The design is executed in an intricate circular form with layered openwork and finely hand-fabricated filigree, reflecting the craftsmanship and aesthetic of true 19th-century jewelry. The diamonds are arranged in concentric formations, creating depth, movement, and the soft, romantic brilliance unique to antique hand-cut stones.

At the center sits a natural 7.8 mm saltwater pearl, identified and documented by GIA as originating from the Pinctada species-marine oysters responsible for the world's most historically prized pearls. Natural saltwater pearls from these oysters are extraordinarily rare, as only a small fraction of wild oysters ever produce pearls.

Unlike cultured pearls, natural examples form without human intervention and are increasingly scarce in the modern market, making them highly sought after by collectors.

The reverse retains a dual-purpose fitting, allowing the piece to be worn as either a brooch or pendant, a hallmark of fine Victorian jewelry.

Specifications

Metal: 14kt Yellow Gold
Hallmark: 14K
Style: Brooch / Pendant Combination
Design: Circular Openwork Filigree
Era: Victorian (19th Century)
Weight: 15 dwt (23.3 g)
Condition: Pre-owned - please refer to photos

Gemstone Details

Center Stone:
Natural Saltwater Pearl
Species: Pinctada (as per GIA report)
Size: 7.8 mm

Diamonds:
28 Old Mine Cut Diamonds
Total Carat Weight: 5.00 ctw
Color: Near Colorless (estimated)
Clarity: VS-SI (estimated)

Certification: GIA Certified

Condition

Pre-owned antique example showing light wear consistent with age.

The brooch remains structurally sound with well-preserved hand-fabricated detailing. The diamonds display soft, lively brilliance, and the natural pearl retains strong luster and surface integrity. All stones appear secure.

Collector's Perspective

This piece sits firmly in the upper tier of antique jewelry due to one critical factor:

the natural saltwater pearl.

Natural pearls from Pinctada oysters are among the rarest gems in the market today, with values ranging widely depending on size and quality, often reaching thousands per pearl even at modest sizes.

In many antique brooches, the pearl alone can rival or exceed the value of the surrounding diamonds-especially when of notable size and confirmed natural origin.

Here, that rarity is paired with:

5.00 ctw of old mine cut diamonds
True Victorian hand fabrication
Convertible brooch / pendant functionality
Full GIA certification confirming natural origin

Comparable antique natural pearl and diamond brooches regularly trade in the five-figure range depending on quality and scale, reinforcing the collectibility of this example.

This is not simply decorative jewelry-it is a genuine period piece anchored by one of the rarest organic gemstones in existence, offering both historical importance and long-term collector appeal.