North American Auction Company
Timed Auction

Last Chance March Passed Lots Offering - Ends March 10th

Mon, Mar 6, 2023 02:00AM EST - Fri, Mar 10, 2023 03:00PM EST
Lot 39179

3.83ct Tanzanite and 1.42ctw Diamond Platinum Ring

Estimate: $11,750 - $14,750

Bid Increments

Price Bid Increment
$0 $5
$50 $10
$100 $25
$500 $50
$1,000 $100
$2,000 $250
$5,000 $500
$10,000 $1,000
$25,000 $2,500
$100,000 $5,000
One polished, stamped, and tested platinum ring with a bright finish. The ring is mounted with: 1 genuine tanzanite center stone weighing approximately 3.83 carat, and 48 genuine faceted diamonds weighing approximately 1.42 carats. This item weighs 11.7 grams, condition is new, excellent workmanship. *MAIN GEMSTONE* Species: Zoisite Variety: Tanzanite Shape: Octagonal Cutting Style: Modified Brilliant Cut Measurements: 8.5 x 8.4 x 6.2mm Weight: 3.83 carat Color: Bluish Violet Cut Grade: Very Good Refractive Index: 1.691 - 1.700 DR Birefringence: 0.008 - 0.013 Hardness: 6.5 - 7 *ADJACENT GEMSTONES ON RING* Identity: Natural Diamond Shape & Cutting Style: Baguette / Round Brilliant Quantity: 48 Diamonds Measurements: 2.0 - 2.7mm (14 baguette), 1.5 - 2.8 mm (34 round) Total Weight: 1.42 carats Clarity Grade: VS1 - SI1 Color Grade: H - I Refractive Index: 2.418 Hardness: 10 Orianne Platinum Tanzanite, Diamond 15871