Diamond Jewelry

Is there a diamond ring or necklace that you’ve dreamed of all your life? How about a diamond huggies earring set that's perfect for all of life's occasions. From classic diamond jewelry to the unexpected Oster Jewelers is happy to help bring your vision to reality with the most prestigious jewelry designers and materials. Contact Oster Jewelers at 303.572.1111 to get started. For these diamond engagement rings, bands, and more visit the Bridal Collection at Oster Jewelers.

Indulge in the brilliance of our Diamond Jewelry collection, showcasing a wide range of pieces that highlight the beauty and elegance of diamonds. From sparkling earrings and necklaces to exquisite bracelets and rings, each piece is designed to make a statement. Our diamond jewelry combines timeless elegance with contemporary style, making it perfect for any occasion. Purchase online and shine bright real diamond jewelry.

Sort by

View as

Save 15%

Alex Soldier
Alex Soldier Yellow Sapphire & Brown Diamond Snail Cocktail Ring

Original Price $ 25,000.00

Current Price $ 21,250.00

| /

Slow down and enjoy life with Sunny the Snail. As with all of his work, this whimsical snail ring by Alex Soldier wonderfully displays his masterfu...
View full details

Original Price $ 25,000.00

Current Price $ 21,250.00

| /

Save 15%
Precision Set
Precision Set Platinum 3 Row Shank Round Diamond Ring

$ 19,585.00

| /

The epitome of opulent design, this Precision Set Platinum 3 Row Shank Round Diamond Ring stands as a pinnacle of luxury an...
View full details

$ 19,585.00

| /
Oster Collection
Oster Collection 18K White Gold Halo Round Diamond Ring

$ 8,750.00

| /

Behold the radiance of our 18K White Gold Round Diamond Ring, a beacon of unparalleled brilliance and sophistication. Centered by a captiva...
View full details

$ 8,750.00

| /
Parade Designs
Parade Design Platinum Wide Round & Baguette Diamond Band

$ 12,975.00

| /

Bold and beautiful, this showstopper of a ring shows off fabulous baguette and round diamonds in a dynamic display of sparkle. This wider ring is p...
View full details

$ 12,975.00

| /
Parade Designs
Parade Design Platinum Round & Baguette Diamond Band

$ 8,875.00

| /

Make this beautiful platinum diamond band your signature ring. Two rows of round diamonds hug a ribbon of alternating round baguette cut diamonds f...
View full details

$ 8,875.00

| /
Sebastien Barier
Sébastien Barier Platinum Filigree Pavé Round Diamond Ring

$ 19,230.00

| /

Art Deco inspiration takes hold on this spectacular platinum filigree diamond engagement ring by Sébastien Barier. Ribbons of platinum are intricat...
View full details

$ 19,230.00

| /
Katharine James
Katharine James Platinum Bouquet Diamond Necklace | 16"

$ 26,950.00

| /

Experience the refined elegance of the Katharine James Platinum Bouquet Diamond Necklace. The 16-inch version of this couture collar necklace dazzl...
View full details

$ 26,950.00

| /
Katharine James
Katharine James Platinum Bouquet Diamond Necklace | 36"

$ 32,585.00

| /

Experience the refined elegance of the Katharine James Platinum Bouquet Diamond Necklace. The 16-inch version of this couture collar necklace dazzl...
View full details

$ 32,585.00

| /
Oster Collection
Oster Collection Platinum Bezel Set Diamond Chain Necklace | 16"

$ 6,700.00

| /

Featuring 60 meticulously bezel-set diamonds that total 1.95 carats, this 16-inch Platinum Bezel Set Diamond Chain Necklace is a true masterpiece o...
View full details

$ 6,700.00

| /
Katharine James
Katharine James Bella's Love Platinum 18KYG Semi-Mount Diamond Ring

$ 19,250.00

| /

This Katharine James Bella's Love diamond engagement ring is a storybook fairy tale come to life. The elegant band weaves platinum and sparkling wh...
View full details

$ 19,250.00

| /
Contact for Availability

Katharine James
Katharine James Sweet Juliet Pavé Diamond Engagement Ring

$ 49,650.00

| /

This stunning engagement ring or right-hand ring by Katharine James is set with an incredibly beautiful 1.55ct round brilliant cut diamond. The dia...
View full details

$ 49,650.00

| /
Katharine James
Katharine James Bella's Love Platinum Semi-Mount Diamond Ring

$ 15,430.00

| /

This Katharine James platinum semi-mount diamond right-hand or engagement ring is a wonderland of sparkle with 1.28 carats of white diamonds on the...
View full details

$ 15,430.00

| /
Katharine James
Katharine James 18KRG & Platinum Semi-Mount Diamond Butterfly Ring

$ 43,350.00

| /

This one-of-a-kind Katharine James couture diamond butterfly ring is a masterpiece of high craftsmanship. Exquisitely set in platinum and 18K rose ...
View full details

$ 43,350.00

| /
Parade Designs
Parade Design Platinum Cushion Halo Semi-Mount Diamond Ring

$ 2,525.00

| /

Parade Design's classic cushion engagement ring gets a fresh look in platinum with this incredible halo diamond ring made of 36 radiant diamonds th...
View full details

$ 2,525.00

| /
Furrer Jacot
Furrer Jacot Torino Split Shoulder Semi-Mount Diamond Ring

$ 5,268.00

| /

Impeccably made in Switzerland from the Lucienne collection, this gorgeous Torino ring features a diamond pave split halo and shoulder that await t...
View full details

$ 5,268.00

| /
Contact for Availability

Oster Collection
Oster Collection Platinum Trinity Emerald Cut Diamond Ring

$ 0.00

| /

This Platinum Trinity Emerald Cut Diamond Ring is more than just a piece of jewelry; it’s a narrative of timeless love and commitment. At the cente...
View full details

$ 0.00

| /
Oster Collection
Oster Collection Platinum Pavé Split-Shank Starburst Diamond Ring

$ 0.00

| /

This breathtaking 1.88ctw Platinum Pavé Split-Shank Starburst Diamond Ring is a work of art designed to shine on your wedding day. The starburst di...
View full details

$ 0.00

| /
Contact for Availability

Oster Collection
Oster Collection Platinum Halo Cushion Cut Diamond Ring

$ 0.00

| /

This stunning Platinum Halo Cushion Cut Diamond Ring features a cushion-cut diamond that defies convention with its unique blend of both square and...
View full details

$ 0.00

| /
Contact for Availability

Oster Collection
Oster Collection Platinum Pavé Radiant Cut Diamond Ring

$ 0.00

| /

This captivating Platinum Pavé Radiant Cut Diamond Ring showcases a brilliant 1.64-carat radiant cut diamond as its centerpiece, exuding a timeles...
View full details

$ 0.00

| /
Contact for Availability

Louis Glick
Louis Glick Platinum 2 Carat Starburst Diamond Ring

$ 46,220.00

| /

This exquisite Starburst diamond engagement ring, crafted by renowned diamond cutter Louis Glick, is a true masterpiece. The centerpiece is a GIA-c...
View full details

$ 46,220.00

| /
Louis Glick
Louis Glick Platinum Large Starburst 3-Stone Trilogy Diamond Ring

$ 67,110.00

| /

Represented gorgeously in diamonds and platinum, this large stone Louis Glick trilogy diamond engagement ring symbolizes the past, present, and fu...
View full details

$ 67,110.00

| /
Oster Collection
Oster Collection Platinum 5 Carat Solitaire Starburst Diamond Ring

$ 0.00

| /

Celebrate your journey to "I do" with this breathtaking size 6 Platinum 5 Carat Solitaire Starburst Diamond Ring. At its heart, an extraordinary 5....
View full details

$ 0.00

| /
Sebastien Barier
Sébastien Barier Platinum Cushion Cut Diamond Ring

$ 26,865.00

| /

The Sébastien Barier Platinum Cushion Cut Diamond Ring combines vintage charm with modern elegance. This size 5 platinum engagement ring is adorned...
View full details

$ 26,865.00

| /
Furrer Jacot
Furrer Jacot Lucienne Platinum Semi-Mount Square Halo Diamond Ring

$ 6,760.00

| /

Pictures do not do this exquisite ring justice. This beautiful Furrer Jacot semi-mount diamond engagement ring from the award winning Lucienne coll...
View full details

$ 6,760.00

| /