About Kozi Diamonds Group Inc.
Kozi is a third generation diamond dealers & estate buyers. Our passion starts from buying unique vintage to new age jewelry. Every piece has its own history or story behind it. Aside from buying estate jewelry we love designing our own pieces, mostly with natural gems and diamonds. We sell all estate and vintage as is, just the way we buy it, to keep its original vintage look and sometimes to keep its value, but we are more then happy to polish any purchased item if requested at no extra charge. Upon request we can send a live video of any item in stock. Please feel fre...Read More
Established in 20021stDibs seller since 2020
Featured Pieces
Natural Yellow and White Diamonds Ring in 18kt Gold, 2.30 cts tw.
Located in Miami, FL
💎 About This Piece
An exceptional display of color, brilliance, and craftsmanship — this luxury two-tone 18kt gold cocktail ring centers around a magnificent natural yellow diamond,...
Category
2010s American Contemporary Engagement Rings
Materials
White Diamond, Yellow Diamond, Gold, 18k Gold
Vintage 1.50 Ctw Marquise Diamond Solitaire Ring with Tapered Baguettes in 14kt
Located in Miami, FL
A timeless classic reimagined with graceful sophistication, this natural earth-mined marquise diamond solitaire ring is a striking symbol of refined elegance. The centerpiece is a be...
Category
Vintage 1980s North American Modern Solitaire Rings
Materials
Diamond, Gold, 14k Gold
Vintage Horizontal Cluster Ring with Bead-Set Single Cut & Old Mine Cut Diamonds
Located in Miami, FL
A captivating vintage ring showcasing a unique horizontal cluster design, this piece features a delicate arrangement of bead-set single cut and old mine cut diamonds. The cluster com...
Category
Vintage 1930s Contemporary Dome Rings
Materials
Diamond, 14k Gold
Vintage 1970s Ruby & Diamond Cluster 18kt Gold Ring
Located in Miami, FL
About This Piece
Make a bold, timeless statement with this stunning vintage ruby and diamond cluster ring, masterfully handcrafted in 18 karat white gold circa 1970.
The striking le...
Category
Vintage 1970s Unknown Contemporary Cluster Rings
Materials
Ruby, Diamond, 18k Gold, Gold
Rare F.H. 14kt Yellow Gold Old Mine Cut Diamond Solitaire Ring, ~0.40 ct
Located in Miami, FL
An exceptional vintage solitaire ring hallmarked F.H. 14kt—attributed to renowned American jeweler Friedrich Hess—this piece spotlights a single natural old mine cut diamond of appro...
Category
Vintage 1920s American Art Deco Solitaire Rings
Materials
Diamond, Yellow Gold
Natural Diamonds & Radiant Green Emeralds, 5.82 Carats, 18k Gold Tennis Bracelet
Located in Miami, FL
This luxurious tennis bracelet embodies timeless sophistication and rare natural beauty. Crafted in solid 18K white and yellow gold weighing 10.12 grams, it showcases a seamless blen...
Category
2010s American Contemporary Tennis Bracelets
Materials
Diamond, Emerald, 18k Gold
Bold Vintage 1970s Navette 0.75ct Diamond Ring in 14kt solid Gold.
Located in Miami, FL
A striking statement piece from the 1960s–70s, this vintage diamond ring features a bold, heavy 14kt yellow gold shank weighing approximately 8.45 grams. The substantial navette-shap...
Category
Vintage 1970s American Contemporary Dome Rings
Materials
Diamond, 14k Gold
Tennis Bracelet 18kt Gold with 5.88 carats Natural Fancy Yellow & white Diamonds
Located in Miami, FL
An elegant fusion of timeless luxury and vibrant brilliance, this tennis diamond bracelet is crafted in solid 18 karat white and yellow gold, weighing 9.05 grams. It is meticulously ...
Category
2010s American Contemporary Tennis Bracelets
Materials
White Diamond, Yellow Diamond, 18k Gold
Diamond Cluster Ring 2.5 Ct G-H VS in 14kt White & Yellow Gold Adjustable
Located in Miami, FL
A stunning display of brilliance and craftsmanship, this beautiful cluster ring features 25 natural earth-mined diamonds totaling approximately 2.50 carats. Each diamond is top quali...
Category
Vintage 1980s American Contemporary Cluster Rings
Materials
Diamond, 14k Gold, Yellow Gold
Exquisite Art Deco Platinum Ring with 3.50 ctw European Cut Diamonds
Located in Miami, FL
This stunning Art Deco platinum ring showcases timeless elegance and masterful craftsmanship. At its center, a magnificent European cut diamond weighing approximately +- 1 to 1.15 ct...
Category
Early 20th Century American Art Deco Three-Stone Rings
Materials
Diamond, Platinum
18k Yellow Gold Diamond Band with White and Black Diamonds
Located in Miami, FL
Elevate your jewelry collection with this exquisite 10mm wide band crafted in 18k yellow gold. This mesmerizing piece features three rows of white diamonds and two rows of black diam...
Category
2010s American Contemporary Band Rings
Materials
Diamond, Black Diamond, Yellow Gold
Elegant 1ct Yellow Cushion Cut Diamond Solitaire Ring, Natural Earth Mined, 18k
Located in Miami, FL
Discover the timeless elegance of this exquisite ring, featuring a natural earth-mined yellow cushion cut diamond weighing 1 carat. The stunning diamond is set in a sleek bezel solit...
Category
2010s American Contemporary Solitaire Rings
Materials
Yellow Diamond, Yellow Gold, 18k Gold
