November Online Auction (Sale #336)

Kobi Platinum, Sapphire and Diamond Ring

The auction will start in __ days and __ hours

Start price: $700

Estimated price: $1,400 - $1,600

Buyer's premium:

Description

Kobi Platinum, Sapphire and Diamond Ring

Ring set with an emerald cut sapphire (11.75 x 8.16 x 4.57mm) weighing approximately by estimation 4.30 carats total, blue color with strong saturation and very dark tone, eye clean (chipped) in a platinum mount set with twenty-four princess cut diamonds (average 2.15 x 2.15mm) weighing approximate 1.68 carats total, G-H color, VS-SI clarity (marked ‘Kobi Plat’)

Property from: an Estate, Chicago (Near North Side), Illinois

Size: 5.25

Weight: .950 platinum: 10.67 dwts. (total shown in 950 platinum field)

Condition: overall light wear consistent with normal use, some edge chipping on sapphire, XRF tested as 97% platinum

Disclaimers: gemstones tested on the heat conductivity scale; quality of gemstones undetermined; we cannot guarantee that gemstones have not been heat treated and filled, or that pearls / stones / gemstones are natural

Category: Fine Jewelry > Rings

Estimated Sale Time: 12:32 pm CST

Shipping Status:
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Last modified: November 11, 2025, 11:08 am


Condition report:

overall light wear consistent with normal use, some edge chipping on sapphire, XRF tested as 97% platinum