Lot 7

Stunning Natural Ruby Corundum & Diamonds Necklace

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Stunning Natural Ruby Corundum & Diamonds Necklace

Estimate: $18,000 - $31,000

Starting Bid: $2,250

(0 Bids)

by North American Auction Company
July 18, 2026 9:00 AM MDT
Live Auction
34156 E Frontage Road
Bozeman, MT, US 59715

Featured in this lot is this Stunning Natural Ruby Corundum & Diamonds Necklace set in gold overlaid sterling silver. The necklace features a wonderfully and professionally crafted sterling silver (.925) with yellow gold overlay. Oval brilliant faceted cut 136.41 total carat weight (29 pieces) natural ruby corundum gemstones are mounted in the centre of the necklace measuring 16.4 x 6.7mm. Clarity, type 3; colour, red (5/5); symmetry, good; colour intensity, intense; transparent with dark tone. Indications of high temperature heat treatment, with glass and flux additives. Round 3.79 carat total weight (58 pieces) brilliant cut diamonds accent the necklace around the centre gemstones. Diamonds measure 2.6 x 2.5mm, clarity, I1-I2; colour, J-K; symmetry, good; polish, good. Total necklace weight is 72.8 grams, measures 18.75"L from clasp to clasp. GGA report #GGA075116 confirms the above information and a value of $23,490.00.

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Bid Increments
From: To: Increments:
$0 $99 $10
$100 $499 $25
$500 $999 $50
$1,000 $1,999 $100
$2,000 $4,999 $250
$5,000 $9,999 $1,000
$10,000 $49,999 $2,500
$50,000 + $5,000