Current bid:
$359
14 bids (reserve not met)
Time Left
Ends Oct 18, 2026
Buyer's premium is set per sale and not included; the listing states the rate - GST is an estimate. Pickup/removal costs are not included.
Adjust tax & pickup in the true-cost calculator →Bid history
since Oct 12
From the seller's description. Not a guarantee of condition.
A new platinum engagement ring set with a 1.70-carat princess-cut center diamond graded D color and SI1 clarity, plus 18 supporting baguette and carré stones, with a GIA report listed. It sells to jewelry retailers, estate jewelers, and bridal resellers. Verify the GIA report number against GIA's online lookup and confirm the stamped PT950 before bidding.
Estimated flip margin and comp range available with Pro. Summary may occasionally contain inaccuracies; check the full description before bidding.
Grays (AU)
Private seller (not a government agency), listed on a platform we index for its fleet and equipment.
Condition: New
As stated by the seller. Always confirm on the source listing before bidding.
Grays (AU)
2.79tcw GIA Diamond Engagement Ring Valuation $38685 Item Description: One cast and assembled platinum ring with natural diamond in the centre and supporting carre and baguette diamonds on the sides (Stamped PT950). The ring is in a new condition with a polish finish featuring: Centre Natural Diamond: GIA Report: 2106962743 One (1) claw set princess cut natural diamond with a stated weight of 1=1.70 carats. As per the report, the colour stated is D and the clarity stated is SI1. Dimensions: 6.64mm x 6.58mm x 4.78mm Supporting Natural Diamonds : Eighteen (18) bar set carre’ and baguette diamond with a total stated weight of 18=1.09 carats (all weighing approximately 0.06c each). The colour stated is F and the clarity stated is VS. Total weight of the ring: 10.86 grams Net weight of the platinum: 10.30 grams Carat weight of the main natural diamond: 1.70 carats Total carat weight of the supporting diamonds: 1.09 total carat weight Item comes with GIA CERTIIFICATE and Valuation Certificate //OC30// Part of the "Castellani Designer Jewellery - Luxury Specials" sale on Grays.
Get notified about new jewelry auctions like this
Free email alerts - we'll let you know when matching auctions are listed.
209 jewelry lots sold at government auctions in the past year. Jewelry government auction prices
New South Wales · 7 bids · 3d 18h
New South Wales · 18h 53m
New South Wales · 18h 53m
New South Wales · 18h 53m
New South Wales · 18h 53m
New South Wales · 5d 19h
See all Jewelry auctions
2555 more live jewelry auctions