Octagonal Engagement Ring

A stunning Art Deco style unheated cushion cut Ceylon sapphire weighing 2.73 carats and brilliant cut diamond ring set in platinum. The two rows of diamonds are channel set to create...

Diamond engagement ring, centering an exceptional colorless octagonal step-cut diamond weighing 2.52 carats with nlue sapphire trapezoid-cut sapphire shoulders, mounted in platinum.

Handmade 18ct White Gold Octagonal Cut 1.14ct Red Spinel & Diamond Ring. TDW 0.43ct

Beautiful modern engagement ring. New ring with tags. The ring consists of white gold with 0.37 Ct natural ruby octagon cut and 0.57 Ct diamonds round cut.

A loose octagonal step cut natural kunzite 37.98 carats in weight 15.6 x 19.9 x 14.1 mm in size Medium light purplish quality Very good colour quality Eye clean 70% brilliance, 1...

GRS Gemresearch Swisslab Certified beautiful modern important engagement ring. The ring consists of white gold with 3.86 Ct natural emerald from Zambia octagonal shape vivid green co...

Octagon Ocean Glamour ring is a clean, minimal three-stone engagement ring with a color of seawater.

Every intricate detail has been considered to create this Edwardian inspired ring. A 2.80 carat round brilliant cut blue Ceylon sapphire sits in a fine octagonal shaped setting, its ...

Every intricate detail has been considered to create this Edwardian inspired ring. A 2.80 carat round brilliant cut blue Ceylon sapphire sits in a fine octagonal shaped setting, its ...

Made to order - This aquamarine ring is crafted in 18 karat yellow gold. The stunning AAA quality octagon square cut natural aquamarine resides in a bezel setting to give a contempor...

Antique Floral 2.7 Carat Natural Emerald and Diamond White Gold Engagement Rings A stunning ring featuring IGI/GIA Certified 2.76 Carat Natural Emerald and 1.00 Carat of Diamond Acc...

3.82 cts Octagonal Colombian Emerald and Diamond Ring in 18k Yellow Gold 2.21 cts of diamonds Total weight: 12.29 grams

The price and availability of this piece is for US clients only. Please inquire for pricing and availability in your region. The collection exemplifies ‘the art of colour’, seamless...

This is one of a kind ring. Brazilian bi-colour 16.76ct octogen Tourmaline (18x12mm) set in 18ct yellow gold. Made start to finish in London, using 100% recycled precious metals. ...

Beautiful Emerald and Yellow Diamond Ring made to order. Emerald will be between 2.80 - 3.50 carats, octagon shape (Should you require other shapes please contact us prior to purch...

Beautiful Emerald and Diamond Halo Ring made to order. Emerald will be 3-4 carats. Diamond halo and half band diamonds. All natural diamonds guaranteed conflict free. Diamonds are...

This is a very nice ring. It is brand new casting from Stuller with around 1/2 ct of 1.3-1.4mm diamond; all VS and clear. The center stone is a 4.54 CT Octagonal Step Cut. An extreme...

Antique 18k Rose Gold and Platinum Ring. Set with 4.94 cts Natural Blue Sapphire Octagonal Step Cut , Sri Lanka Origin and rose cut diamonds on the halo. Rose cut diamonds weigh appr...

Beautiful modern fashion ring. New ring with tags. The ring consists of white gold with 0.49 Ct natural ruby octagon cut, 0.35 Ct diamond octagon cut and 0.37 Ct Diamonds round cut.

A ring with a retro-inspired vibe and romantic intricate designs. A combination of rebirth aquamarine and forever love diamond set in a wide half-round ring shank. A natural octagon-...

Beautiful modern solitaire ring. New ring with tags. The ring consists of white gold with 0.54 Ct natural ruby octagon cut and 0.27 Ct diamonds round cut.

Beautiful modern solitaire ring. New ring with tags. The ring consists of white gold with 0.64 Ct natural ruby octagon cut and 0.17 Ct diamonds round cut.

Crafted in Platinum, the center is adorned by a GRS Certified vivid green color-saturated, legendary color variety, Muzo Colombian emerald. Colombian specifically from the Muzo mines...

Crafted in Platinum, the center is adorned by a GRS Certified vivid green color-saturated, legendary color variety, Muzo Colombian emerald. Colombian specifically from the Muzo mines...

One-of-a-kind 10,87 Ct Oval Cut Natural Brazilian Aquamarine (0.63 inch lenght 0,53 inches width, 16,01 x 13,54 mm) in a Chic yet Timeless six 1,69 Ct Natural Ceylon Princess cut Blu...

Pink sapphire and diamond ring, 1920s. The pink sapphire at the centre of this ring is blessed with both an unusual and attractive early 20th century geometric cut, and a beautiful m...

A minimalist solitaire ring featuring an octagon cut diamond in a four prong setting. 18 Karat Yellow Gold Octagon Cut 0.3 Carat Diamond Ring Band width: 1.8mm Diamond: 0.3ct (Gup V...

Bombe style mounting features an octagonal form head Centering an old European cut diamond weighing approximately 0.37 carat - I/J color with VS2 clarity Flanked by channel set Fre...

Centering an old European cut diamond weighing approximately 0.25 carat, H color with SI clarity Set low in a Octagonal head flanked by engraved foliate shoulders With unique geome...

Featuring a transitional diamond weighing approximately 1.45 carats - I color with VS2 clarity Set by wide stylized prongs in an octagonal head Surrounded by baguette cut diamonds ...

Centering an old European cut diamond weighing approximately 0.47 carat; J/K color with VS clarity Set low in a pierced octagonal mounting with deeply engraved details throughout an...

Centering a transitional cut diamond weighing approximately 0.25 carat; K color with SI clarity Set low in an octagonal head in a decorous filigree mounting With engraved details a...

This fabulous finger-hugger, hand fabricated in white gold is charming with a ruby center weighting 1.20 carat (approx.). The stone is presented within an octagonal frame accented wi...

A striking and intriguing jewel, indeed. Manufactured. This big bold Art Deco style ring highlights a gorgeous emerald-cut emerald center stone, framed in eye-catching, set off with ...

Showcases a striking 0.89 carat square-cut emerald at its center, surrounded by sparkling diamonds arranged in a geometric Art Deco design. The clean lines and bold angles of the oct...

This is modern classic style engagement ring is crafted from platinum and showcasing a beautiful Zambian emerald with an octagonal step cut as its centerpiece.

Sapphire and diamond engagement ring. GIA certified 13.25cts octagonal cut center sapphire in a handmade platinum three-stone setting with 2 trapezoid cut diamonds.

A fabulous Art Deco Octagonal 10 ct Ceylon Sapphire Engagement Ring with Diamond Baguettes.

♥ Solid 14K rose gold ring set with an orange octagon Oregon sunstone center, flanked with a trio of diamonds on each side. ♥ The overall setting measures 15.09mm wide, 9.8mm in l...

Unique GIA certified 2.50 carat Ruby No Heat( Thailand ) and diamond beautifully hand crafted in 18k yellow gold. The details are as follows: Ruby weight : 2.50 carats approx No ...

This remarkable Victorian engagement ring centers on an impressive 3.28 carat octagonal cut diamond, certified by GIA #3495228909, showcasing a unique and captivating shape with bold...

Peter Suchy Octagonal diamond platinum engagement ring with a round center diamond and French cut trapezoid diamonds and round brilliant cut diamonds in an octagonal top. 1 round d...

Octagonal Old European cut diamond and ruby engagement ring marries together sleek geometric lines with feminine filigree work popularized in the Art Deco era.

The Ogden Art Deco Style diamond filigree engagement ring has a mesmerizing Greek key platinum pierced design and a sleek, geometric, octagon halo.

Centering an old European cut diamond weighing approximately 1.11 carats - I color with VS2 clarity Set in an octagonal head with a striated gallery surrounded by scrolling volutes a...

Centering an old European cut diamond weighing approximately 1.08 carats - I color with I1 clarity Bead set in an octagonal form head with miligrain detail and a hidden halo surround...

An elegant engagement ring, showcasing a 6.08 carats octagon shape step-cut diamond certified by GIA as I color and VS2 clarity, set on an eight prong setting.

The Carlsbad Art Deco style diamond engagement ring showcases a 2 carat round brilliant cut diamond solitaire sizzling with fiery sparkle of a near-colorless (J color) and a captivat...

Centering an old European cut diamond weighing 0.98 carat - J color with VS2 clarity Set low in an octagonal head of a pierced bombè mounting depicting ribbon and floral motifs Wit...

♥ Solid 14K rose gold ring set with an orange octagon Oregon sunstone center, with bright diamond accent on both sides of the band. ♥ This sunstone has a beautiful peachy champag...

Centering an old European cut diamond weighing 0.51 carat, K color with VS clarity Bead set in a milgrain octagonal head echoed by an octagonal surround featuring deeply engraved de...

Centering a transitional cut diamond weighing approximately 0.15 carat - H color with SI clarity Set in an octagonal form of a stylized square form head Flanked by stepped milgrain...

An 18k white gold Art-Deco design diamond emerald and onyx target ring, center diamond with an outer ring of round diamonds an inner one of French cut emeralds and onyx and finished ...

Victorian Style Rose Cut Diamond Ring 1 Rose Cut Diamond - 1.06 Carats Full Cut Diamond - 0.39 Carats 18 K Gold - 3.35 Grams Silver - 1.53 Grams

Cartier Germany 18K Yellow Gold Graduated Twisted Oval Link Necklace This beautiful graduated link necklace is set in 18K yellow gold and features links of textured and polished gol...

3 Carat Radiant Cut Diamond Bezel Set in Platinum Ring Make a bold yet refined statement with this stunning ring, featuring a radiant-cut natural diamond of 3.00 carats. Graded G in...

TIFFANY & Co. 18K Gold Infinity Cuff Tiffany Infinity is a powerful symbol of continuous connection, energy and vitality. Enduringly modern, this cuff makes a bold statement worn al...

A 7.55 carat peach tourmaline emerald cut platinum diamond ring, handcrafted by Merkaba Jewelry Beverly Hills as a romantic collector jewel and meaningful alternative engagement ring...

Exceptional 5.73 Carat Natural Red Spinel – A Rare Collector's Gem By Merkaba Beverly Hills. Discover unparalleled luxury with this 5.73 carat natural Red Spinel, an extraordinary u...

5.41 Carat Octagon Emerald Station Chain Necklace in 14K Gold studded with octagon cut emerald. This stunning piece of jewelry instantly elevates a casual look or dressy outfit. Eme...

Antique Sapphire Bombe Ring 18ct Gold & Platinum Circa 1910 Step back into the elegance of the Edwardian era with this stunning bombe/domed oval-shaped ring, designed to provide e...

This exceptionally rare and highly coveted no-heat Burmese sapphire is a true collector's gem. Set in a sleek white gold band with a platinum head, the centerpiece is a vivid, deep b...

TIFFANY & Co. Forever 18K Gold 3mm Lucida Wedding Band Ring 4.5 Metal: 18K Yellow Gold Size: 4.5 Band Width: 3mm Weight: 3.10 grams Hallmark: ©TIFFANY&CO. Au750 Condition: Excelle...

Treat yourself to this irresistibly stunning 5.93 carat emerald diamond platinum ring!  Crafted in platinum with the center deep green emerald of approximately 5.93 carats. The vivi...

Orloff of Denmark's very own 'Neptunian Moonlight' An extraordinary 5.10 carat blue spinel set in 950 platinum. The split-shank ring which the gem is set upon is adorned with wonderf...