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GIA Pt 1.70ct No-Heat Ruby & 0.66ctw Diamond Ribbon Ring, 8

Currency:USD Category:Jewelry Start Price:10.00 USD Estimated At:16,000.00 - 20,000.00 USD
GIA Pt 1.70ct No-Heat Ruby & 0.66ctw Diamond Ribbon Ring, 8
Welcome to Gallery 63's 160th Online Estate Auction. Everything is 100% authentic. All brand items have been rigorously inspected for quality and authenticity.

Gallery 63 offers international shipping via UPS/Postal Service.

All sales carry at 28% buyer's premium.
The auction starts at 1PM ET with lot 1. Each lot will be open for 60 seconds, and each subsequent bid will reset the timer to 15 seconds.
A platinum ribbon-motif mounting (9.1 g) cradles a GIA-certified 1.70 ct pear-brilliant ruby of vivid purplish-red color from Vietnam (report #2516217496), verified free of heat treatment. Four claw prongs secure the center, while sweeping crossover panels are bead-set with near-colorless round brilliants and channel-set tapered baguettes totaling ≈0.66 ctw, average G–H color and VS–SI clarity. The split-shoulder design delivers dynamic sparkle from every angle, and an open gallery keeps the substantial piece comfortable on the finger. Inside shank bears “PLAT” hallmark. Condition is excellent, with crisp facets, secure settings, and only minimal surface wear.





Metal: Platinum, 9.1 g


Size: 8 (resizable)


Primary Gemstone: 1.70 ct natural pear-brilliant ruby, vivid purplish-red, Vietnam origin, no heat (GIA)


Diamonds: ≈0.66 ctw round and baguette cuts, G–H / VS–SI


Design & amp; Setting: Ribbon crossover with bead and channel diamond accents; high-polish finish


Hallmarks: “PLAT” inside shank


Condition: Excellent; stones secure, finish bright, no noted repairs