Gad & Co. Jewelry

14.68 Carat No Heat Type A Jadeite Jade Ring with Diamond Curved Split Shank in 18K Gold. This exceptional piece boasts a natural, no-heat 14.68-carat jadeite-grade "A" jade, secure...

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...

GRS Certified 4.22 Carat Oval Cut Vivid Blue Natural Sapphire with 2 Half Moon Cut Diamonds in 18k White Gold Three Stone Ring. Details: Item Type: Three Stone Ring Metal: 18K Wh...

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 - ...

Natural 0.77 Carat Emerald and 1.01 Carat Diamond 18K Gold Mens Ring Mens Ring boasting an emerald-cut, vivid green emerald center stone. The emerald weighs 0.77 carats and is secur...

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...

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....

GRS Certified perfect matching pair of minor oil pastel green Colombian emeralds and diamond drop earrings. Details:  ✔ Item Type: Dangle Earrings ✔ Metal: 18k white & yellow gold...

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...

8.34-carat Colombian Emerald solitaire pendant set in 14k gold basket 4-prong mounting. Comes with a detachable bail that fits any chain up t...

Elevate your style with this exquisite 14k gold flat Cuban link bracelet. Expertly crafted to showcase the timeless elegance of this iconic design, the bracelet boasts a classic 9 in...

GIA Certified 1.07 Carat Fancy Light Purplish Pink Radiant Cut Diamond Ring in 18k white and rose gold. Showcasing a combination of 18k solid ...

16.46 Carat Emerald-Cut vivid green Colombian Emerald framed by 48 Round-Brilliant Cut Diamonds totaling 2.60 Carats, and set in lush white and yellow 18 karat gold. This legendary c...

GIA Certified Sri Lanka Blue Sapphire Men's Ring. This men's ring features a prong set natural blue sapphire with a carat weight of 2.23. The sapphire is octagonal-cut and originat...

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....

10.78 carat total natural fancy pink diamond stud earring masterpiece. Featuring 18 natural fancy color pink diamonds and 8 GIA certificates....

Experience the pinnacle of sophistication with our 17 Carat Octagonal Cut Colombian Emerald. AGL Certified minor oil. Set in flawless 18k white gold and adorned with a stunning array...

18 karat white gold emerald and diamond ring. Set with over 20 carats in natural emerald diamonds. The center stone emerald bears an incredible green color profile. A rich, vibrant...

EGL Certified Pear Diamond Pendant and Diamond Halo & Sapphire Detail. Pendant necklace featuring a EGL-certified pear-shaped 5.02-carat natural white diamond center stone with SI2...

A 22K gold necklace with a 120-carat total assortment of pear-shaped pink checkerboard cut rubellite tourmalines. The gems have wonderful rounded facets that give the necklace textur...

Captivate people with this 1.60 carat GIA-certified fancy dark brown pink radiant cut diamond ring, set in 18k sleek white and rose gold. Adorned with 2 bezel set pear-shaped pink di...

Natural 3.51 Carat round-cut diamond solitaire two-toned engagement ring. Crafted from 18K yellow and white gold. Set in a two-tone 6-prong ring, where the prongs are white gold and ...

Introducing our exquisite 18K White and Yellow Gold Ring, weighing 7.20 grams, and featuring a stunning 7.25 Carat Emerald-cut Fancy Light Yellow Natural Diamond at the center. The r...

15mm South Sea Pearl and Diamond Platinum 900 Cocktail Ring. Featuring a lustrous 15mm south sea white pearl center stone, secured in a prong setting. The pearl is paired with 4 ro...

18K white and yellow gold prong-set emerald and diamond ring. Featuring a significant 3.16 emerald cut Colombian emerald with Vivid Green color and minor oil treatment. GRS certifie...

GIA Certified Natural 10.03 Carat Emerald Cut elongated engagement ring. Set in Platinum and shouldered by two Tapered Baguette Cut Diamonds...

GIA Certified Natural 5.09 Carat Emerald Cut D/VVS2 Diamond and Round 0.90 CTTW Diamond Engagement Ring. The best color grade mother nature has to offer. A serious investment piece t...

Vintage Victorian-style Blue Sapphire and Diamond pendant necklace in 18K white gold. Featuring a 10.36 carat no heat oval cut Blue Sapphire of Sri Lankan origin. The center stone is...

Natural Blue Diamond and White Diamond Curved Band Ring, Set in 14K Solid White Gold. Super minimalist and full of class. Featuring a prong set round cut Blue diamond, paired with t...

Natural Ruby and Diamond tennis necklace, set in platinum 900. Featuring 18.68 carats in oval-cut Rubies and 11.72 carats in round and...

Natural Colombian Emerald stackable band ring set in 18k solid gold. Available in sizes 6.5, 7, and 7.5. FEATURES: 7 day risk free returns, cer...

GIA Certified Diamond Ring in 18K Rose and White Gold. GIA certified natural pink-brown diamond, weighing 6.53 carats, with a cut-cornered rectangular shape. Adorned with 26 natura...

Magnificent 5.20 carat Emerald of Colombian origin. This Emerald bears excellent color, transparency, and luster. All while having minor oil treatment. An extremely rare gem consider...

Natural Ruby Huggie Hoop Earrings in 14K White Gold. This dazzling pair of earrings, featuring a combined carat weight of 0.44 natural square cut red rubies. The rubies are secured...

Centering Emerald-Cut Colombian Emeralds totaling 1.15 Carats, framed by an additional 36 Round-Brilliant Cut Diamonds totaling 0.22 Carats, and set in 18K White Gold. Gorgeous nat...

GIA Certified natural 3.48 carat fancy light pink radiant cut SI1 clarity diamond ring. Set in 18k white and rose gold with a triple halo of round brilliant-cut pink diamonds. Wide f...

Natural Green Emerald and Natural Diamond Stacking Ring, Set in 18K Yellow Gold. Set with eye-clean white diamonds and a vivid green emerald of Colombian origin. Fixed with a 4-prong and bezel setting that features a stunning ribbed band. Ideal for stacking or wearing alone. Ripple ring collection by Assay Jewelers...

An individualistic statement of love, this three stone engagement ring showcases a natural Brazilian 5.31-carat no oil emerald. The emerald is AGL certified. Additionally, the ring b...

GIA certified 8.64 carat natural Colombian emerald unisex ring, complimented by 6 baguette cut diamond side stones. The diamonds are channel set with a ...

GIA Certified Untreated Color Changing Brazilian Alexandrite. The best that Mother Nature has to offer. This ring features a 0.90 carat pear-cut Alexandrite. This Alexandrite has Br...

Ring Details: ✔ Metal: 14k yellow gold (solid) ✔ Ring Size: 7.5 (adjustable) ✔ Ring Weight: 4.3 grams ✔ Shank Width: 6.8mm Gemstone Details: ✔ Ruby Weight: 0.15 carats total ✔ Ruby ...

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...

Gorgeous 2.38-carat Marquise-cut natural diamond set with 0.94 carats in round diamonds and 0.76 carats in lozenge-cut diamonds. This GIA-certified natural diamond ring is unlike any other Marquise cut diamond engagement ring on the market. It's made in smooth 18 karat white gold and designed to perfection. A split ring shank encrusted with diamond side stones in an elevated progression style setting. This clever ring composition exaggerates and optically enlarges the center stone, making it appear as a 3 carat stone...

AGL Certified 1.76 Carat Cushion Cut Pigeon's Blood Red No Heat Burma Ruby & Diamond Ring in 18k White Gold. Set with a round cut diamond halo and two trillion cut side stones. The ...

GIA Certified Fancy Brownish Greenish Yellow 5.12 Carat Diamond Stud Earrings & 6.07 Carat Ring Set Ring Details: - Type: Engagement Ring - Metal: 18K White / Yellow Gold - Weight: ...

17.86 carat Jadeite Jade and Diamond Ring in 18K White Gold, weighing 6.72 grams. This size 7 (U.S.) ring, features an oval-cut Jade emitting a captivating green hue. Surrounding th...

Vintage Art Deco GIA Certified No Heat Spinel 18K Gold and Platinum Ring. This cathedral ring features a natural red spinel center gemstone. The spinel carries a carat weight of 4....

Centering a 0.57 Carat Round-Brilliant Cut Light Yellow-Brown "Champagne" (otherwise known as "Cognac") color diamond, framed by an additional 0.08 Carats of Round-Brilliant Cut Diam...

18K Yellow Gold Necklace adorned with a mesmerizing circular green Jadeite Jade pendant. Embellished with a shimmering set of white baguette...

Explore timeless elegance with our 17-carat Colombian Emerald and Diamond Necklace in 18K gold. This exquisite piece showcases a captivating AGL-certified 17.04 carat Old Mine Drille...

Vintage 7 Carat Pink Tourmaline and 1 Carat Diamond Ring. Centering a richly saturated vivid pink radiant cut tourmaline of excellent color and clarity. A...

GIA certified radiant cut 1.50 carat fancy light orangey pink diamond center stone adorned with multiples rows of pink and white round cut di...

Centering an 8.47 carat Emerald-Cut Colombian Emerald, accented by 0.55 carats of Round-Brilliant Cut Diamonds, and set in 18K White/Yellow Gold, this lush green Emerald Ring is sure...

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...

GIA Certified 1.69 Carat Radiant Cut Fancy Brownish Pink Diamond and 2.46 Carat Mixed Cut White Diamond Halo Engagement Ring in 18K White & Rose Gold. Set with a diamond halo of tw...

This exotic ring features both white diamonds and pink sapphires to create a truly eye catching display of design. The 49 round cut diamonds weigh 0.66 carats, and the 39 pink sapphi...

Discover unparalleled elegance with this regal 17-carat cushion cut no-heat yellow sapphire and trillion cut diamond 18k white gold ring. A true masterpiece. The GIA-certified sapph...

These captivating floral motif earrings showcase a delightful combination of 18k white and rose gold. Two cushion-cut pink diamonds, totaling 0.90 carats, take center stage, each boa...

Centering a 1.5 carat, Emerald-Cut Colombian Emerald, flanked by 4 Baguette-Cut Diamonds and set in 18K Yellow Gold. Details: ✔ Stone: Emerald ✔ Stone Cut: Emerald ✔ Emerald Weig...

Natural 4.60 carat Colombian emerald and diamond unisex ring. The center stone is 4-prong set with the "perfect" color tone that's so coveted with Colombian Emeralds. Complementing t...