Hero background

All auctions / Jewelry & Gems / Engagement ring - 18 kt

2d 16hBECatawiki

Engagement ring - 18 kt

Engagement ring - 18 kt

atural Padparadscha Sapphire 2.99 ct – 0.55 ct Natural Diamonds – 18K Gold – GRS Certified – Sri Lanka – No Heat Exceptional brand-new Italian-made ring featuring a rare 2.99 ct natural Padparadscha sapphire from Sri Lanka, surrounded by approximately 0.55 ct of natural diamonds and set in 18K (750) gold. Central Gemstone * Gemstone: Natural Padparadscha Sapphire * Weight: 2.99 ct * Origin: Sri Lanka * Color: Pastel orangy-pink * Shape: Octagonal * Cut: Scissor cut * Dimensions: 8.50 × 6.97 × 5.47 mm * Treatment: No indication of thermal treatment * Color Stability: Type I * Laboratory: GRS – GemResearch Swisslab * Report No.: GRS2026-097526 * Report date: 17 September 2026 The gemstone has been officially identified by GRS as “Natural Padparadscha”. The laboratory report states no indication of thermal treatment and confirms that the color stability test was applied with a Type I result. Diamonds * Natural diamonds * Total diamond weight: approx. 0.55 ct The central Padparadscha sapphire is surrounded by an elegant diamond halo, with additional diamonds extending along the shoulders of the ring. Ring * Metal: 18K gold * Gold fineness: 750/1000 * Hallmarked: “750” * Additional Italian identification hallmark * Made in Italy * Ring size: EU 55 * Inner diameter: approx. 17.5 mm * Condition: Brand new / never worn A beautiful and substantial jewel combining a nearly 3-carat unheated Sri Lankan Padparadscha sapphire with approximately 0.55 ct of natural diamonds. The combination of Sri Lankan origin, no indication of heating, GRS Padparadscha identification and Type I color stability makes the central gemstone particularly attractive for collectors and fine-jewellery enthusiasts. The ring will be supplied with its original GRS Gemstone Report and will be carefully and securely packaged for shipment.

Estimate:$7,079.41

To the auction

View all items fromCatawikiorJewelry & Gems

Estimate:

$7,079.41

To the auction

Similar items

Auction results for similar items

A sapphire and 18k gold brooch
Sold

A sapphire and 18k gold brooch

10/18/2026

Clars Auction Gallery
US

$400

Est: $800

Details
A gem-set and 14k gold heart pendant
Sold

A gem-set and 14k gold heart pendant

10/18/2026

Clars Auction Gallery
US

$350

Est: $500

Details
A sapphire, diamond and 18k gold bangle bracelet
Sold

A sapphire, diamond and 18k gold bangle bracelet

10/18/2026

Clars Auction Gallery
US

$1,900

Est: $2,500

Details
A miscellaneous group of gold and platinum rings
Sold

A miscellaneous group of gold and platinum rings

10/18/2026

Clars Auction Gallery
US

$750

Est: $800

Details

Upcoming auctions

Best of Auktion
Best of Auktion auction house logo

OCT 31 | 4:00 PM

Best of Auktion

American, European and Ukrainian Fine Art
American, European and Ukrainian Fine Art auction house logo

OCT 23 | 8:00 AM

American, European and Ukrainian Fine Art

Jewellery and Watches
Jewellery and Watches auction house logo

OCT 27 | 4:00 PM

Jewellery and Watches

Bring your auction to collectors worldwide!

Get listed now
Engagement ring - 18 kt