Octagon Cut Jewelry & Watches

Four classic 3 x 4 mm octagonal faceted Columbian emeralds surround a similar square central stone in this artisan handcrafted granulated 18K gold pendant design that might have sail...

Art Deco Inspired Peridot Men’s Ring. Brushed White Gold Peridot Ring. Architectural Peridot Wide Band Ring. This bold men’s ring combines clean architectural lines with the vivid c...

A refined emerald and diamond ring crafted in 925 Sterling Silver, featuring a striking octagon cut emerald measuring 6 x 8 mm and weighing 2.74 carats at the center. The emerald is ...

A striking statement ring featuring a 6.05ct garnet of rich, fiery depth, framed by 0.16ct of brilliant diamonds and complemented by 16.05ct of glossy black enamel. Crafted in 14ct y...

The GIA certification (Report #6551875585) provides absolute assurance of this gem's authenticity, origin, and unheated status. This globally recognized certification eliminates any ...

An exceptional IGL‑certified natural Colombian emerald, weighing 2.70 carats, sits at the heart of this elegant 18k gold ring. Cut in a refined octagon/step silhouette, the emerald d...

Gemstone Details: Faceted Sky Blue Topaz Weight 5.95 carats Dimension 9.7 x 9.7 x 7.8 mm Origin Brazil Treatment Typically Heated Shape and Cut Precision Octagon Transparenc...

This Art Deco-style cocktail ring features a 3.86ct tanzanite of exceptional clarity and saturation, surrounded by a halo of 0.79ct baguette diamonds set in white rhodium. The geomet...

This striking tennis necklace showcases 84.58 carats of natural octagon cut amethyst gemstones elegantly set in 925 solid sterling silver. Featuring 85 beautifully matched 8 x 5 mm a...

*GIA 18K 0.81 Ct Kashmir Unheated Vivid Purple Pink Sapphire Engagement Ring* GIA-certified Kashmir unheated Vivid Purple Pink Sapphire weighing 0.81 ct set on the 18K white gold ba...

This striking Retro Modernist ring is crafted in 925 Sterling Silver, featuring a 2.74 carat octagon shaped emerald measuring 7 × 9 mm, adorned by six 2 mm diamonds weighing a total ...

This refined 2.06 carats emerald and diamond pendant necklace is crafted in 925 sterling silver. Measuring approximately 7 x 9 mm, the vibrant green gemstone is elegantly framed by a...

Art Deco Aquamarine Ring 18ct Gold Tested Circa 1920s Introducing a stunning 18ct yellow gold ring from the glamorous 1920s, epitomising the elegance of the Art Deco era. This e...

Faceted blue sapphire sku449 Weight: 1.56 ct Size: 5.8x4 mm Color: blue Origin: Sri Lanka Treatment heated, excellent cutting

Stone: Colombian Emerald Total Weight: 1.26 carat Shape: Octagonal Cut Clarity: Transparent Luster: Very Good Color: Medium Bluish Green Measurements: 6.99 mm x 6.48 mm x 3.83 mm . G...

An exceptional vintage BULGARI Colombian emerald and diamond ring, dating to circa the 1940s, centered by an extraordinary 8.01 carat natural Colombian emerald whose remarkable color...

These elegant emerald and diamond stud earrings are crafted in 925 sterling silver showcase vibrant octagon cut emeralds totaling 0.88 carats. Each richly colored emerald is beautifu...

Untreated purple sapphire with a GIA certificate sku05 Weight: 3.12 carats Size: 8.23x6.34x5.97 mm Origin: Sri Lanka

This exceptional ring showcases a remarkable 12.33-carat amethyst as its centerpiece, exuding a deep, vibrant purple hue. The amethyst is securely set with four prongs, each adorned ...

Stone: Colombian Emerald Total Weight: 0.44 carat Shape: Octagonal Cut Clarity: Transparent Luster: Very Good Color: Medium Bluish Green Measurements: 4.72 mm x 4.33 mm x 3.03 mm Geo...

Faceted untreated blue sapphire with a GIA certificate sku09 Weight: 3.77 carats Size: 8.89×6.92×5.86 mm Origin: Sri Lanka

Opalescent effect natural pink sapphire Origin: Sri Lanka Size: 9.1 x 7.0 x 4.7 mm Weight: 2.58 ct Shape: octagon

Untreated purple sapphire with a GIA certificate sku07 Weight: 2.14 carats Size: 7.44x6.76x4.28 mm Origin: Sri Lanka

Faceted pink spinel sku503 Size: 8.65 x 5.82 x 5.12 mm Weight: 1.98 cts Origin: Birma

Classic, elegant estate Art Deco period 3.56 Carat natural blue sapphire diamond 18K white gold engagement ring Early 20th Century Circa 1920 Sapphire: 3.56 carats, octagonal, step c...

These 925 sterling silver earrings feature two octagon shaped amethyst gemstones, each measuring 6 × 4 mm, with a combined gemstone weight of 0.68 carat. The gemstones are set in a s...

This statement 12 carats emerald tennis bracelet is crafted in 925 sterling silver and features a continuous line of natural emeralds adorned with diamonds. The design includes 26 em...

This dainty octagon cut emerald and diamond ring is crafted in 925 sterling silver, measuring approximately 3 x 6 mm, with a total gemstone weight of 0.57 carats. The vivid green gem...

Faceted rainbow sheen moonstone sku121 Weight: 3.35 ct Size: 10.5x7.5x6mm  Octagon cut Mining location: Madagascar  Gem trend of the last few years

Octagon Peridot Ring Silver, Gold. Green Enamel Geometric Ring. Art Deco Cocktail Ring Metal: 925 silver + 14k gold plating over Weight: 4.5 gr depends from size 1 piece (central st...

These elegant 1.18 carat emerald and diamond dangle earrings are crafted in 925 Sterling Silver. Featuring four octagon cut emeralds measuring approximately 3 x 5 mm, the earrings ar...

This elegant emerald and diamond halo ring features a 0.95 carat oval cut emerald set in 925 sterling silver. The vibrant center gemstone, measuring approximately 5 x 6 mm, is beauti...

Octagon Garnet Ring Silver, Gold. Black Enamel Geometric Ring. Art Deco Cocktail Ring Metal: 925 silver + 14k gold plating over Weight: 4.5 gr depends from size 1 piece (central sto...

Three Stone Cluster Ring in solid 18K set with octagon cut natural Blue Sapphire accented with 2 old European cut Diamonds in Platinum settings. This sturdy Art- Deco inspired design...

This station chain necklace features 1.99ct Natural Emerald & Diamond in 14K yellow gold and designed with alternating emerald and diamond stations for a refined, contemporary lo...

Our 2 Drop Peridot and Teal Topaz Earrings are stunning! Combining two beautiful gemstones together to create a sensational homage to the Aurora Borealis. ...

From our Aurora Collection, this stunning Peridot and Navy Enamel Ring takes inspiration from Bright Green and Dark Blue naturally occurring light display known as the Aurora Boreali...

14K Solid Gold Round Citrine Ring For Men's. Mens Solid Gold Citrine Ring. Citrine Cut Solitaire Ring. Metal: 14k gold Weight: 3 gr depends from size 1 piece (central stone) - citri...

14K Solid Gold Round Peridot Ring For Men's. Mens Solid Gold Peridot Ring. Peridot Cut Solitaire Ring. Metal: 14k gold Weight: 4 gr depends from size 1 piece (central stone) - perid...

Octagon Topaz Ring Silver, Gold. Blue Enamel Geometric Ring. Art Deco Cocktail Ring Metal: 925 silver + 14k gold plating over Weight: 4.5 gr depends from size 1 piece (central stone...

Octagon Amethyst Ring Silver, Gold. Black Enamel Geometric Ring. Art Deco Cocktail Ring Metal: 925 silver + 14k gold plating over Weight: 4.5 gr depends from size 1 piece (central ...

Faceted Petroleum Quartz / Enhydro Quartz Weight: 0.75 Carat Dimension: 5.5 x 5.2 x 3.8 Mm Origin: Balochistan, Pakistan Treatment: Non Speciality: Having a moving water ball Petro...

This lush green octagon cut emerald and diamond three stone ring is crafted in 925 sterling silver, featuring three octagon cut emeralds measuring approximately 3 x 4 mm. The richly ...

Gemstone Details: Faceted Rhodolite Garnet Weight 6.0 carats Dimension 10.3 x 9.8 x 6.7 mm Origin Africa SKU-TBP10K Treatment None Shape and Cut Precision Octagon Transparen...

Stone: Colombian Emerald Total Weight: 1.39 carat Shape: Octagonal Cut Clarity: Transparent Luster: Very Good Color: Medium Bluish Green Measurements: 6.93 mm x 6.47 mm x 4.55 mm G...

This Statement 6.30 carat octagon cut emerald and diamond pendant necklace is crafted in 925 sterling silver. This pendant measures approximately 11 x 13 mm with the center stone bei...

This elegant ring features a natural emerald gemstone in a refined octagon shape, secured in a classic four prong setting that allows the vibrant green stone to take center stage. Cr...

In these simple and chic handmade earrings we have 2 Octagon Shape Pink Opal Octagons measuring 18 x 18 mm. with 2 small round Emerald cabs set in gold in the center ,suspended from ...

This elegant ring features a striking octagon cut emerald totaling 0.28 carats, set in 925 sterling silver and accented with subtle diamonds for a hint of sparkle. The emerald measur...

This captivating ring centers on a vibrant, natural unheated Burmese ruby of exceptional color and clarity weighing approximately 1.50 carats , the octagonal step cut ruby radiates a...

This elegant pendant features a natural emerald gemstone totaling 0.95 carats in a refined emerald cut, beautifully set to highlight the stone’s rich, vivid green color. Crafted in 9...

This necklace features amethyst gemstones totalling 38.6 carats, set in 925 sterling silver. Each 4 x 6 mm gemstone is securely set and arranged in a continuous linear design of 63 p...

Gemstone Details: Faceted Milky Quartz Weight 5.0 carats Dimension 11.9*9.3*8.0 mm Origin Brazil Color soft milky white Treatment None Transparency Transparent Clarity E...

This elegant tennis bracelet is crafted in 925 sterling silver and beautifully set with 33 natural amethyst gemstones in a classic inline design. Each gemstone measures 7x5 mm and is...

This yellow gold vermeil green amethyst ring or solid yellow gold green amethyst ring from our South of France inspired Jewellery Collection is a stand-out designer ring that can be worn every day to remind you of the freshness of the South of France all year round whilst giving you that luxury jewellery feel. Day or night, the octagon cut green amethyst gemstone sparkles in the most beautiful way, and is certain to attract many compliments. Our Green Amethyst Cocktail Ring can be made in a variety of metals, so all jewellery lovers can find the perfect price point for them. Our lower price point being the Yellow Gold Vermeil Sterling Silver Ring...

This stunning Octagon Aquamarine Ring is set in a sparkling 9ct Yellow Gold and boasts a gorgeous 10 x 14mm natural aquamarine gemstone! These Aquamarine Cocktail Rings feature the s...

A striking pair of dainty ruby earrings showcasing 1.62 carats of vivid rubies set in 925 Sterling Silver. Each earring features an octagon cut ruby framed by polished silver prongs,...

Crafted in luminous 14K white gold, these Drift Hoop Earrings bring together sculptural curves, graduated color, and refined diamond detailing. Inspired by the shifting hues of the o...

Platinum earrings featuring rubies, diamonds and baroque pearls. The design juxtaposes the fluidity of natural pearls with the crisp symmetry of diamond‑set platinum and ruby accents...

This beautiful 9ct yellow gold ring from the Andalusian Collection features an exquisite octagon-cut yellow citrine flanked by baguette-cut smoky qua...