Skip to main content
Video Loading
Want more images or videos?
Request additional images or videos from the seller
1 of 19

Rare GIA 6.57 Ct Unheated Natural Green Paraiba Tourmaline & Diamond Ring 18K

$18,900
£14,262.04
€16,598.94
CA$26,681.72
A$26,778.72
CHF 15,615.51
MX$325,551.44
NOK 179,437.70
SEK 184,542.51
DKK 124,075.14

About the Item

GIA Certified 6.57ct Unheated Natural Green Paraiba Tourmaline & Diamond Ring in 18K Gold An extraordinary, investment-grade gemstone piece featuring a massive 6.57-carat natural Paraiba tourmaline. Accompanied by a prestigious GIA certification, this rare gem exhibits a deep, vivid natural green hue with the coveted "lit-from-within" radiance characteristic of true copper-bearing Paraiba tourmalines. Crucially, this gemstone is completely unheated and untreated, preserving its pure, untouched color formed by nature. The central tourmaline is set in a four-prong mount, flanked by clean, brilliant white diamonds along the shoulders and gallery that accentuate the gem's saturated green color. The entire piece is custom crafted in solid 18K gold. Center Gemstone: Natural Paraiba Tourmaline (Copper & Manganese Bearing) Carat Weight: 6.57 Carats Color: Deep Natural Vivid Green Treatment: No Heat / Untreated (Confirmed by GIA) Certification: GIA Certified (Report Included) Side Stones: Natural Clean White Diamonds (Baguette & Round Accents) Metal: Solid 18K Gold Ring Size: 7.5 Condition: Excellent condition with crisp prongs and minor, natural internal inclusions typical of large untreated tourmalines. Ready to wear or add to an elite gemstone collection.

More From This Seller

View All
Exquisite 7.12ct Emerald & Diamond Cabochon Ring GIA Certified 18K Yellow Gold

Exquisite 7.12ct Emerald & Diamond Cabochon Ring GIA Certified 18K Yellow Gold

Located in Media, PA

A Masterpiece of Color and Form This extraordinary statement ring centers on a substantial 7.12-carat emerald cabochon of exceptional quality. The stone is remarkably "gemmy," displa...

Category

Vintage 1970s Dome Rings

Materials

Emerald, Diamond, Yellow Gold, 18k Gold

Amazing GIA Certified 14K Yellow Gold Carved Green Beryl & Diamond Ring 6.5

Amazing GIA Certified 14K Yellow Gold Carved Green Beryl & Diamond Ring 6.5

Located in Media, PA

Offered here is a GIA-certified 14K yellow gold beryl and diamond ring, featuring a striking freeform carved green beryl that closely resembles a carved emerald in appearance and sty...

Category

Vintage 1970s Fashion Rings

Materials

Beryl, Diamond, Green Beryl, 14k Gold, Yellow Gold

GIA 2.50 Ct L VVS2 Emerald Cut Diamond Three Stone Ring Platinum 18K Gold 6.5

GIA 2.50 Ct L VVS2 Emerald Cut Diamond Three Stone Ring Platinum 18K Gold 6.5

Located in Media, PA

Superb Custom-Made 3.10 TCW Elongated Emerald Cut Diamond Three-Stone Ring Up for sale is a breathtaking, brand-new, and completely unworn custom-crafted diamond estate-style ring. ...

Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Emerald, 18k Gold, Platinum, Mixed Metal

GIA 1.54ct Burma No Heat Sapphire With Old European Cut Diamonds 18K Gold Ring

GIA 1.54ct Burma No Heat Sapphire With Old European Cut Diamonds 18K Gold Ring

Located in Media, PA

A exceptional Art Deco-style three-stone ring anchored by a rare, GIA Certified 1.54 Carat Unheated Burma (Myanmar) Sapphire. Displaying the vivid, classic blue hue characteristic of...

Category

21st Century and Contemporary Three-Stone Rings

Materials

Diamond, Sapphire, 18k Gold

Rare Antique Platinum GIA 8.62ct No Heat Ceylon Sapphire & Old Cut Diamonds

Rare Antique Platinum GIA 8.62ct No Heat Ceylon Sapphire & Old Cut Diamonds

Located in Media, PA

An absolute masterpiece of antique jewelry design, this breathtaking statement ring centers an extraordinary 8.62-carat old-cut Ceylon Sapphire. Fully certified by the GIA (Gemologic...

Category

Vintage 1920s Art Deco Engagement Rings

Materials

Sapphire, Diamond, Platinum

GIA Certified Art Deco Period 1.70 Carat Old Euro Solitaire Engagement Ring VS1

GIA Certified Art Deco Period 1.70 Carat Old Euro Solitaire Engagement Ring VS1

Located in Media, PA

A magnificent blend of vintage charm and bold Art Deco geometry, this GIA-certified solitaire ring makes a powerful statement as a unisex piece. At its heart lies a substantial 1.70-...

Category

Vintage 1930s Art Deco Engagement Rings

Materials

Diamond, 14k Gold

You May Also Like

5.40ct Vivid Neon Blue-Green Natural Paraiba Tourmaline Ring 18K Gold GIA Cert

5.40ct Vivid Neon Blue-Green Natural Paraiba Tourmaline Ring 18K Gold GIA Cert

Located in New York, NY

Paraiba tourmaline is celebrated for a phenomenon few gemstones can rival: an unmistakable copper-bearing radiance that reads as neon blue-green in any light. First discovered in Bra...

Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Paraiba, 18k Gold, White Gold

2.21ct Vivid Neon Blue-Green Natural Paraiba Tourmaline RING 18K Gold

2.21ct Vivid Neon Blue-Green Natural Paraiba Tourmaline RING 18K Gold

Located in New York, NY

Few gemstones command the reverence of a natural Paraiba tourmaline. Celebrated for its copper-bearing chemistry that produces an electric, neon blue-green glow, Paraiba remains a tr...

Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Paraiba, 18k Gold

4.17ct Vivid Neon Blue-Green Natural Paraiba Tourmaline RING 18K Gold

4.17ct Vivid Neon Blue-Green Natural Paraiba Tourmaline RING 18K Gold

Located in New York, NY

Paraiba tourmalines are celebrated for a phenomenon few gemstones can rival: a copper-bearing, neon blue-green radiance that appears lit from within. First discovered in Brazil’s Par...

Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Paraiba, 18k Gold

2.13ct Vivid Neon Green-Blue Paraiba Tourmaline Ring 18K Gold GIA Certified

2.13ct Vivid Neon Green-Blue Paraiba Tourmaline Ring 18K Gold GIA Certified

Located in New York, NY

Paraiba tourmaline is celebrated for an unmistakable, copper-bearing radiance—an electric neon blue-green found in only a few deposits, first discovered in Brazil’s Paraíba region an...

Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Paraiba, 18k Gold, Yellow Gold

Kat Florence 2.33ct Neon Paraiba Tourmaline Diamond Ring in 18k Gold

Kat Florence 2.33ct Neon Paraiba Tourmaline Diamond Ring in 18k Gold

Located in Andorra La Vella, AD

For connoisseurs of extraordinary colored beryls, this jewel represents an exceptional level of rarity and visual impact. At the heart of the piece is a 2.33-carat Paraíba-type bery...

Category

2010s Mozambican Contemporary Solitaire Rings

Materials

Paraiba, Tourmaline, Diamond, 18k Gold

10.04ct Vivid Neon Blue-Green Natural Paraiba Tourmaline RING 18K White Gold

10.04ct Vivid Neon Blue-Green Natural Paraiba Tourmaline RING 18K White Gold

Located in New York, NY

Few gemstones rival the electric allure of a true Paraiba tourmaline. Celebrated for its copper-bearing chemistry and signature neon blue-green radiance, Paraiba remains a modern leg...

Category

21st Century and Contemporary Modern Engagement Rings

Materials

Diamond, Paraiba, 18k Gold, White Gold