18K Yellow Gold & Platinum Top Colombian Emerald and Diamond Pendant/Brooch

A piece with true presence, this finely made pendant/brooch pairs rich color with antique diamond character in a design that feels both collectible and timeless. Crafted in 18K yellow gold with a platinum top, it is centered by a GIA Certified Colombian emerald weighing approximately 10.30 carats, chosen for its vivid presence and exceptional importance. Surrounding it are 103 old mine cut diamonds totaling approximately 4.00 carats, adding a softer, romantic brilliance that complements the emerald beautifully.

At 2.25 inches in length and weighing 20.6 grams, this is a substantial jewel with versatility and strong visual impact—equally compelling worn as a pendant or styled as a brooch. A refined statement piece for the collector who values craftsmanship, rarity, and unmistakable elegance.

Details

• Metal: 18K Yellow Gold with Platinum Top
• Weight: 20.6 grams
• Length: 2.25 inches
• Center Stone: GIA Certified Colombian Emerald, approx. 10.30 carats
• Accent Stones: 103 Old Mine Cut Diamonds, approx. 4.00 carats total
• Diamond Color: G-H
• Diamond Clarity: VS1-VS2
• Style: Pendant/Brooch
• Chain: Not included

Condition Notes
Excellent vintage condition with light wear consistent with age. No major losses noted, and the emerald and diamond settings appear secure at time of listing.
Brooch fitting, pin stem, clasp mechanism, and pendant bail should be confirmed and described in detail once reviewed.
Any visible abrasions, minor chips, repairs, or possible replacements should be disclosed if present.

Care & Storage

• Store separately in a soft pouch or fabric-lined jewelry box to preserve the emerald, diamonds, and metal finish.
• Avoid impact, harsh chemicals, moisture, and ultrasonic cleaning, as emeralds require thoughtful care.
• Clean gently with a soft dry cloth and have the piece inspected periodically by a qualified jeweler.

Authenticity & Sourcing
Professionally evaluated and presented with clear stone, mounting, and condition disclosure. The GIA certification for the Colombian emerald, along with any hallmarks, stamps, or testing results, should be included or shown in macro imagery when available.

Shipping & Packaging
Carefully packed, fully protected, and presentation-ready upon arrival. High-value jewelry should ship fully insured and require signature confirmation for delivery.

Concierge Questions / Contact
Additional macro photography, video, and closure details are available upon request. We believe a significant jewel should be presented with precision, transparency, and confidence.

Cross-sell

• Pair it with a substantial platinum chain for an elevated pendant presentation.
• Pair it with an antique diamond bracelet for added depth and old-world brilliance.
• Pair it with a refined emerald or diamond ring to extend the richness of the palette.