Skip to main content

Gad & Co.

Average Sold Price
$11,470
Styles
Related Creators
4.21 Carat Round Cut Diamond Engagement Ring and Baguettes in 2 Tone 18k Gold
4.21 Carat Round Cut Diamond Engagement Ring and Baguettes in 2 Tone 18k Gold

4.21 Carat Round Cut Diamond Engagement Ring and Baguettes in 2 Tone 18k Gold

By Gad & Co.

Located in Miami, FL

EGL certified 4.21 carat round cut natural diamond engagement ring. Set in a gorgeous two-tone 18k gold mounting. The center stone is adorned with 6 baguette-cut diamond side stones....

Category

Early 2000s North American Art Deco Gad & Co.

Materials

Diamond, Gold, 18k Gold

Signet Style Natural Round Diamond Cluster Mens Ring in 18k Gold
Signet Style Natural Round Diamond Cluster Mens Ring in 18k Gold

Signet Style Natural Round Diamond Cluster Mens Ring in 18k Gold

By Gad & Co.

Located in Miami, FL

This item is made to order. Carat weights, gold weights, and measurements are subject to a slight variance.  Vintage natural diamond men's ring set in 18k solid gold. Diamonds are a...

Category

2010s American Retro Gad & Co.

Materials

Diamond, 18k Gold, Yellow Gold

Rare 29.51 Carat No Heat Ceylon Blue Sapphire Cabochon Solitaire Mens Ring
Rare 29.51 Carat No Heat Ceylon Blue Sapphire Cabochon Solitaire Mens Ring

Rare 29.51 Carat No Heat Ceylon Blue Sapphire Cabochon Solitaire Mens Ring

By Gad & Co.

Located in Miami, FL

29.51 Carat No Heat Ceylon Blue Sapphire Cabochon Solitaire Mens Ring in 18K White Gold. AGL Certified. Jewelry Details: - Item Type: Solitaire Ring - Metal Type: 18K White Gold - ...

Category

21st Century and Contemporary Sri Lankan Modern Gad & Co.

Materials

Sapphire, Blue Sapphire, 18k Gold, White Gold

4 Carat Channel Set Round Cut Diamond Cluster Ring in 14K Yellow Gold
4 Carat Channel Set Round Cut Diamond Cluster Ring in 14K Yellow Gold

4 Carat Channel Set Round Cut Diamond Cluster Ring in 14K Yellow Gold

By Gad & Co.

Located in Miami, FL

This item is made to order. Carat weights, gold weights, and measurements are subject to a slight variance.  14k solid gold channel set 4 CTW round cut natural diamond ring. Ideal a...

Category

2010s Art Deco Gad & Co.

Materials

Diamond, Gold, 14k Gold, Yellow Gold

4.26 Carat Radiant Cut Fancy Yellowish Green SI1 Clarity 18K GIA Diamond Ring
4.26 Carat Radiant Cut Fancy Yellowish Green SI1 Clarity 18K GIA Diamond Ring

4.26 Carat Radiant Cut Fancy Yellowish Green SI1 Clarity 18K GIA Diamond Ring

By Gad & Co.

Located in Miami, FL

Jewelry Details: Item Type: Diamond Ring Metal Type: 18K White Gold Weight: 7.27 grams Ring Size: 6 Center Stone Details: Gemstone Type: Diamond Shape: Radiant Cut Carat: 4.26 Carats...

Category

21st Century and Contemporary Modern Gad & Co.

Materials

Diamond, Yellow Diamond, Gold, 18k Gold, White Gold

GIA Certified 18.95 Carat Internally Flawless Type II-A Heart-Cut Diamond Ring
GIA Certified 18.95 Carat Internally Flawless Type II-A Heart-Cut Diamond Ring

GIA Certified 18.95 Carat Internally Flawless Type II-A Heart-Cut Diamond Ring

By Gad & Co.

Located in Miami, FL

This 18.95 Carat, Internally Flawless Type II-A Heart-Shape Diamond is the archetype of luxury. It embodies the essence of “Miracles of Nature.” That such beauty can be found in the greatest depths of our Mother Earth is what inspires us all. Set in 18k white gold with an astonishing heart shape diamond sitting in the center. Flanked by 1.5 carats of bullet cut diamonds. All 20 carats shine bright enough to light a room, The diamond is an extraordinarily rare “Type II-A” diamond, which signifies a lack of nitrogen atoms in the diamond. They are known to be exceptionally colorless and are the purest and most valued types of diamonds. The diamond is classified by GIA to be a type II-A diamond with a “K” color and “IF” clarity. See GIA appendix letter and certificate details in the image slots. Center Stone Details: - Carat: 18.95 - TYPE IIA *see appendix - Clarity: Internally Flawless - Color: K - Cut: Heart-Brilliant - Measurements: 16.07 x 18.15 x 11.05 MM - Polish: Very Good - Symmetry: Very Good - Origin: Golconda ________________________________ Ring Details: - Type: Three Stone - Gross Weight: 9.10 Grams - Metal: 18K White Gold - Total Carat Weight: 20.46 CTTW - Ring Size: 7 (adjustable) ________________________________ Side Stone Details: - Cut: Bullet - Carat: 1.51 - Color: F-G - Clarity: VVS1 ________________________________ GIA Appendix Letter: Scientists classify diamonds into two main "types" - type I and type II - based on the presence or absence of nitrogen which can replace carbon atoms in a diamond's atomic structure. These two diamond types can be distinguished on the basis of differences in their chemical and physical properties. Type II diamonds contain little if any nitrogen and they are subdivided into two groups (lla and Ilb) both of which are quite rare (less than 2% of all gem diamonds). According to the records of the GlA Laboratory, the 18.95 carat Heart Brilliant diamond described in the GIA Diamond Grading Report has been determined to be a type lla diamond...

Category

2010s Hong Kong Modern Gad & Co.

Materials

Diamond, 18k Gold, White Gold

AGL Certified 9.10 Carat Ceylon No Heat Padparadscha Sapphire and Diamond Ring
AGL Certified 9.10 Carat Ceylon No Heat Padparadscha Sapphire and Diamond Ring

AGL Certified 9.10 Carat Ceylon No Heat Padparadscha Sapphire and Diamond Ring

By Gad & Co.

Located in Miami, FL

9.10 Carat cushion cut Ceylon no heat Padparadscha Sapphire and mixed cut diamond ring. Mounted in 18k white gold, set with 5.24 carats in marquise, trillion, and round cut diamonds....

Category

2010s Sri Lankan Art Deco Gad & Co.

Materials

Diamond, Padparadscha Sapphire , 18k Gold, White Gold

GIA Certified Burma Ruby Vivid Red "Pigeon's Blood" 0.49 Half-Carat Loose Ruby
GIA Certified Burma Ruby Vivid Red "Pigeon's Blood" 0.49 Half-Carat Loose Ruby

GIA Certified Burma Ruby Vivid Red "Pigeon's Blood" 0.49 Half-Carat Loose Ruby

By Gad & Co.

Located in Miami, FL

Center Stone Details: Gemstone Type: Ruby Carat: 0.49 carats Cut: Oval Color: Vivid Red "Pigeon's Blood" Measurements: 5.12 x 4.10 x 2.70 mm Treatment: Heated (Low Residues) Certifi...

Category

21st Century and Contemporary Burmese Modern Gad & Co.

Materials

Ruby

Browse all Jewelry from Gad & Co.
Shop Now

Gad & Co. Sale Prices

Sold DateSold PriceCategoryMaterialCreation Year
2026$23,500Drop Earrings18k Gold, White Gold, Diamond2020-2023
2026$2,530Band RingsGold, 18k Gold, Emerald2022
2026$35,700Cocktail Rings, Engagement RingsBrown Diamond, White Diamond, PlatinumCirca 2000
2025$7,700Wedding RingsPlatinum, Diamond2020-2023
2025$3,500Cocktail Rings, Engagement Rings18k Gold, Yellow Gold, Diamond2020
2025$11,500Link BraceletsGold, 14k Gold, White Gold, Diamond, White DiamondCirca 2020
2025$8,000Cluster RingsGold, 14k Gold, Yellow Gold, Diamond2024
2025$803Stud EarringsGold, 18k Gold, Emerald, Yellow Gold2021
2025$10,000Cocktail RingsPlatinum, Diamond, Sapphirebefore 2005
$11,470
Average sold price of items in the past 12 months
$803-$35,700
Sold price range of items in the past 12 months

Creators Similar to Gad & Co.

Gad & Co. jewelry & watches for sale on 1stDibs.

Find a range of Gad & Co. jewelry & watches available on 1stDibs. Each of these unique items was designed with extraordinary care, often using gold. While looking for the most stylish antique or vintage Gad & Co. jewelry to pair with your ensemble, you’ll find that Gad & Co. diamond jewelry & watches, from our inventory of 361, can add a particularly distinctive touch to your look. We have 410 pieces in this collection as well as a number of other designs by this jeweler. Modern and Art Deco are among the most popular styles of Gad & Co. jewelry & watches available on 1stDibs. While this collection reflects work that originated over various time periods, most of these items were designed during the 21st century and contemporary. If you’re looking for additional options, many customers also consider jewelry & watches by Royaal Stones Ltd, FERRUCCI, and Boucheron. Prices for Gad & Co. jewelry & watches can differ depending upon gemstone, time period and other attributes. On 1stDibs, the price for these items starts at $50 and tops out at $1,190,000, while pieces like these, on average, can sell for $9,519.