Lab-Grown Jewelry

Experience luxury every day with these exquisite lab-grown diamond 'inside-out' hoop earrings in 14k white gold. The secure back ensures they stay in place, so you can shine confidently from morning til night. 2.05ctw.

A statement of refined taste, this stunning lab-grown diamond tennis bracelet is designed to impress. The brilliance of each stone complements the white gold spacing, offering an accessory that's both versatile and opulent for all occasions. F/VS2 lab-grown diamonds totaling, 2.5ctw.

Crafted for those who appreciate the finer things in life, these stunning certified lab-grown diamond studs offer unmatched clarity and shine. Mounted on 14k white gold three-prong, 'martini' style posts, they promise enduring style and grace – a true investment piece in your jewelry collection. 3.07ctw, F/VS1, Certificate included

Elevate your wristwear collection with this dazzling display of opulence. This unique style tennis bracelet showcases an array of sparkling lab-grown diamonds that capture light from every angle—guaranteed to turn heads and start conversations at any high-end affair. 23-F/VS2 lab-grown diamonds totaling,  2.88ctw.

Adorn your wrist with the unique style of this lab-grown diamond tennis bracelet. Its seamless row of diamonds offers unparalleled brilliance that catches the light from every angle, making it an ideal accessory for special occasions. F/VS2 lab-grown diamonds totaling, 3ctw.

3.45ct. *Chatham Lab Grown Ruby, set in 14k white gold halo style, with lab grown diamonds totaling 0.53ctw. Size 6.5 in-stock and ready for immediate delivery. Other sizes can be special ordered. Please give us a call at (512)451-0338 or email us at sales@avantgardjewelers.com. 

*Chatham lab-grown gemstones and diamonds are grown just like you would culture a pearl. Natural ingredients are placed in an environment created to duplicate nature. Once the required combination of chemical and environmental factors is created, gemstone crystals grow over the course of about a year (the exact length of time depends on the variety). As a result, the crystals they grow have physical, chemical, and optical properties that are identical to those found in nature. 

Experience the stunning beauty of 14K White Gold *Chatham Lab Grown Alexandrite & Diamond Earrings. These earrings feature 10x6 flame-shaped alexandrite, totaling 3ctw, accented by sparkling diamonds totaling 0.04ctw. Elevate your jewelry collection with this breathtaking piece.

*Chatham lab-grown gemstones and diamonds are grown just like you would culture a pearl. Natural ingredients are placed in an environment created to duplicate nature. Once the required combination of chemical and environmental factors is created, gemstone crystals grow over the course of about a year (the exact length of time depends on the variety). As a result, the crystals they grow have physical, chemical, and optical properties that are identical to those found in nature. 

These beautiful 14K Rose Gold *Chatham Lab-Grown Pear Alexandrite & Diamond Stud Earrings feature 12x5 pear-shaped alexandrites totaling 3.36ctw, along with sparkling pear diamonds totaling 0.34ctw.

These 14K Yellow Gold *Chatham Lab-Grown Blue Sapphire & Diamond Hoop Earrings feature 12x2 baguette sapphires, totaling 1.14ctw, and diamonds, totaling 0.13ctw.

These 14K Yellow Gold *Chatham Lab-Grown Blue Sapphire & Diamond Stud Earrings feature stunning 7x5 octagon blue sapphires, totaling 2.40ctw, and dazzling diamonds with a combined weight of 0.50ctw.

Experience the stunning beauty of these 14K White Gold *Chatham Lab Grown Oval Aqua Blue Spinel & Diamond Stud Earrings, featuring 10.5x5.5 oval aqua blue spinels with a total carat weight of 3.02ctw and .37ctw of diamonds. Elevate any look with these dazzling and ethically sourced earrings.

These stunning 14K yellow gold *Chatham lab-grown chrysoberyl and diamond drop earrings feature an 8x5 octagon chrysoberyl with a total carat weight of 2.96ctw, surrounded by sparkling diamonds with a total carat weight of .41ctw. Perfect for the buyer looking for a unique and beautiful addition to their jewelry collection. Drops are removable and can be worn as diamond huggie hoops. 

These 14K Yellow Gold *Chatham Lab-Grown Pear Emerald & Diamond Hoop Earrings feature 2-12X5 pear emeralds, totaling 2.40ctw, with a unique twist of .23ctw diamonds. Perfect for adding a touch of elegance to any outfit.

Experience timeless elegance with these 14K yellow gold *Chatham lab-grown emerald & diamond drop earrings. Featuring a stunning 8x5 octagon emerald, these earrings have a total carat weight of 2.10, with additional dazzling diamonds totaling .08 carats. Perfect for any occasion, these earrings are sure to make a statement.

Upgrade your earring game with these 14K White Gold *Chatham Lab-Grown Emerald & Diamond Stud/Drop Earrings. Features 8x6mm emeralds totaling 2.40ctw, and .10ctw. of accent diamonds. Emerald is removable and can be worn as diamond bar studs. 

Get ready to add some serious sparkle to your jewelry collection with these 14K Yellow Gold *Chatham Lab Grown Ruby & Diamond Hoop Earrings. Featuring 12x2 baguette-cut rubies (1.13ctw) and dazzling diamonds (0.40ctw), these earrings are the perfect combination of elegance and fun. So go ahead, treat yourself to these beauties!

Get ready to ignite your style with this 14K white gold *Chatham Lab-Grown Blue Sapphire & Diamond Ring! The stunning flame-shaped sapphire (2.35 ctw) is perfectly complemented by dazzling diamonds (0.32 ctw).

Rock this 14K yellow gold ring with a stunning 1.99-carat *Chatham lab-grown blue sapphire surrounded by 0.42-carat diamonds set east-west in a double shank.

This ring is made of 14K White Gold and features a unique *Chatham Lab Grown Alexandrite & Diamond combination, with a striking 8.5x8 onion-shaped 1.95ct. alexandrite and 0.14ctw dias on its twisted shank.

Expertly crafted in 14K white gold, this *Chatham lab-grown ring showcases a breathtaking 10x6 flame-shaped 1.54ct. alexandrite and dazzling 0.21ct. marquise lab-grown diamond.

Crafted from high-quality 14K rose gold, this stunning *Chatham lab-grown ring showcases an exquisite 12x5 pear-shaped 1.68ct. alexandrite and a sparkling pear-shaped 0.38ct. diamond solitaire, making it a must-have for any jewelry collection.

Crafted from 14K white gold, the *Chatham lab-grown Oval Aqua Blue Spinel & Diamond Ring features a 10.5x5.5 oval aqua blue spinel weighing 1.51 carats and two matching oval diamonds, totaling 0.48 carats.

Expertly crafted from 14K white gold, this *Chatham lab-grown oval blue sapphire and diamond pave ring showcases a 10.5x5.5mm oval blue sapphire with a weight of 1.89ct and 0.59ctw of dazzling diamonds.

This 14k yellow gold ring by *Chatham features a stunning 12x2 (0.57ct.) baguette lab-grown blue sapphire and 0.34ctw of diamonds, in a unique double shank design. 

This 14K White Gold *Chatham Lab-Grown Blue Sapphire & Diamond Ring features an 8mm octagon blue sapphire with a weight of 3.41 carats. The ring is also adorned with 0.54 carats of diamonds on the unique shank design.

Expertly crafted from 14K yellow gold, this stunning three-stone ring features a *Chatham lab-grown blue sapphire cut in an 8x6 (1.80ct.) octagon shape, and accented with two diamonds, totaling, 0.67 carats.

Crafted from 14K yellow gold, this *Chatham lab-grown pear sapphire & diamond ring features a stunning 10x5.5 pear-shaped blue sapphire weighing 1.70ct, paired with a 0.91ct pear-shaped diamond. The design showcases a unique by-pass style with a combination of sparkling diamonds and intricate gold rope detailing.

Expertly crafted from 14K white gold, this stunning *Chatham lab-grown chrysoberyl and diamond three-stone ring showcases an 8x6 octagon chrysoberyl weighing 2.13ct and a dazzling 1.01ctw of diamonds.

Expertly crafted from 14K yellow gold, this *Chatham lab-grown Chrysoberyl & diamond ring boasts an impressive 9x6mm (2.39ct) East-West facing stone. Accompanied by sparkling diamonds totaling 0.11 carats, this ring is the perfect blend of elegance and modernity. 

Introducing a stunning 14K White Gold *Chatham Lab Grown Emerald & Diamond Ring, boasting 1.20ct. east-west set emerald and surrounded by a diamond halo totaling 0.38 ctw, perfect for those seeking a unique and elegant style.

Expertly crafted from 14K white gold, this *Chatham lab-grown ruby and diamond bezel set ring features a stunning octagon-shaped 2.32ct. ruby and a shimmering array of diamonds totaling 0.48 ctw.

This stunning 14K White Gold *Chatham Lab Grown Pear Ruby & Diamond Ring boasts a magnificent 12x6mm pear ruby, lab-grown to perfection, and sparkling pear diamond totaling 0.77ctw. Experience the unmatched beauty and brilliance of this 2.56ct pear ruby ring and elevate your jewelry collection to new heights!

Experience the stunning beauty and brilliance of 14K white gold *Chatham lab-grown pave diamond and a breathtaking (10x5.5) 1.70ct. pear ruby. With an additional 1.67ctw of sparkling diamonds, this ring is a true masterpiece. Elevate your style and indulge in the luxurious feel of this exquisite piece.

Experience the fiery brilliance of our 14K Yellow Gold *Chatham Lab Grown Flame-Shaped Ruby & Diamond Halo Ring, featuring an 11x7mm flame ruby with 2.25 carats and surrounded by sparkling diamonds with a total weight of 0.13 carats.