Portuguese Diamond

Crafted in Portuguese 19k yellow gold, the ring features beautiful vibrant green emeralds & sparkling diamonds in a bezel set square design.

Antique POR BEM Diamond, Natural Pearl and Blue Enamel Shield-Shape Brooch in Platinum and 19.2K Yellow Gold, Portuguese, Late 19th Century—Early 20th Century.

The base of the ring is stamped with the Portuguese Deer head and .800 fineness mark for 19.2k gold.

Stylish contemporary amethyst, citrine & diamond ring crafted in 19k yellow gold (circa 1980s).

Spectacular Mid-Century Old European brilliant-cut and rose-cut floral brooch in 19.2kt white gold, Portuguese, 1950s/1960s. Modelled as an elegant flower with meticulously arranged ...

Contemporary Toi-et-Moi Blue Topaz and Diamond Cocktail Ring in 19.2kt White Gold, Portuguese.

Art Deco Diamond Buckle Link Bracelet in Silver and Gold, Portugal, 1940s.

Talk to me Harry Winston, tell me all about it!" 4. Famous Diamonds & Masterpieces BS&F has handled some of the world's most legendary gemstones, including: The Portuguese Diamond: A...

Antique Spanish/Portuguese Baroque Emerald & Rose-Cut Diamond Stomacher Brooch/Pendant — Silver & 18K Gold, c. 1720–1780, Colombia Emeralds A magnificent and rare antique Ba...

Portuguese Revival Solitaire GIA Certified Diamond engagement ring. .95ct.

Piaget diamond-set bombe wide band ring in 19.2kt Portuguese white and yellow gold, vintage circa 1990s.

Unisex Cross pendant in 18k yellow and white gold finest with brilliant cut diamonds 5cm lenght and total weight of 13.50 grams made in portugal 21century hall marked with 800k gold ...

Diamonds adorn the buckle with blue sapphires to the center of the bracelet.

Size: 5 1/2 Sizing Fee: Up 1 1/2 sizes for $50 or Down 1/2 a size for $40 Metal Content: 14k White Gold Stone Information Natural Topaz Treatment: Routinely Enhanced Carat(s): 6.9...

Rosior Portugal One-of-a-Kind Multi-Gemstone Ring in 19.2k Yellow Gold with Certified Diamonds, Sapphires & Tsavorite Garnets.

This beautiful Chevalier epoque 1940's clips can be worn separately or together by its custom fitting. The diamond and gold ribbon swirl iand nests ruby colored gems. The brooch is...

The base of the ring is stamped with the Portuguese Rooster head and ant .800 fineness mark for 19.2k gold.

A striking and beautifully composed vintage brooch (circa 1930), depicting a Portuguese sailboat crafted in 19.2k white and yellow gold and accented with rose cut diamonds, rubies, e...

Chain not included. Portuguese Victorian jewelry occupies a distinct position within 19th century European goldsmithing.

“Minas Novas” jewels emerged in Portugal during the 18th century, named for the Brazilian mining regions that supplied vast quantities of quartz and diamonds to the Portuguese court.

White Gold Band Ring set with 2 White Diamonds and 1 Brown Diamond. Total weight of 0,19 ct.

Details Designer: Rosior Origin: Portugal Metal: Platinum Diamonds: 252 Natural Diamonds Total Diamond Weight: 2.51 Carats Diamond Quality: G Color, VVS Clarity Length: Approximatel...

Stamped by the portuguese assay office as Platinum 950. Stamped with Rosior hallmark.

Stamped by the portuguese assay office as 19.2K gold. Stamped with Rosior hallmark.

Rosior Contemporary Cocktail Ring, signed by José Manuel Rosas, set with 227 F/G color, VVS clarity Diamonds with total weight of 1,92 ct. Signed "JMRosas" , founder and creator at R...

This beautiful heart shaped diamond white gold stud earrings, designed as a refined pair of classic diamond earrings with a discreet romantic silhouette.

Handmade in Portugal. Stamped by the portuguese assay office as 950 Platinum.

Handmade in Portugal. Stamped by the portuguese assay office as 950 Platinum.

Mid-Century Colombian Emerald and Diamond Demi-Parure Ring and Earrings, Platinum, Portugal, 1950s–1960s.

Handmade in Portugal. Stamped by the portuguese assay office as 950 Platinum.

A stunning, fine and impressive pair of vintage Portuguese 2.76 carat diamond and 18 karat white gold drop earrings; part of our diverse antique jewelry collections.

Rosior Contemporary Drop Earrings set in Yellow Gold with: - 142 G Color, VS Clarity Diamonds with 1,49 ct; Stamped by the portuguese assay office as 19.2k Gold.

Stamped by the portuguese assay office as 19.2K gold. Stamped with Rosior hallmark.

Antique Iberian Baroque Drop Earrings — Silver, Gold, Colombian Emeralds & Point-Cut and Table-Cut Diamonds, c. 1680–1740 A magnificent pair of antique Iberian Baroque articulate...

Mid-Century Madagascar Sapphire and Diamond Engagement Ring in 19.2K White Gold, Portugal, circa 1950s–1960s.

Particulars: Weight: 1.7 grams Stones: 30 old rose cut diamonds and one approx. 0.10 carat old european cut diamond to the center.

Application of black ceramic Handmade in Portugal. Stamped by the portuguese assay office as 19.2K Gold.

"Bow" Earrings by Rosior set in White Gold with 457 different size certified natural diamonds (IGI certified), F color, VVS clarity, weighting 2,89 ct.

Crafted in Portuguese 19k yellow gold, the beautiful medallion features a crown with diamond surround.

Mid-Century South Sea Pearl and Diamond Convertible Day-and-Night Drop Earrings, Platinum, Portugal, 1960s.

They are set in 19.2K white gold with: - 7 Round Cut "Colorless" Diamonds (F-VVS) weighting 0,71 ct; - 144 Round Cut "Colorless" Diamonds (F-VVS) weighting 1,18 ct.

Contemporary Ring made in 19.2 k gold set with: - 26 G/H VS Diamonds with 0,20 ct; This unique piece comes with a Certificate of Authenticity.

19.2k white gold drop earrings set with: - 2 Oval Cut Yellow Quartz weighing 2,12 ct; - 38 G-VVS Diamonds weighing 1,12 ct. Weight in 19.2K Gold: 6,10 g.

Stamped by the portuguese assay office as 19,2k gold. Stamped with Rosior hallmark.

Stamped by the portuguese assay office as 19.2k Gold. Stamped with Rosior hallmark.

Rosior by Manuel Rosas 950 Platinum Ring set with 313 F color, VVS clarity Diamonds with total weight of 3,15 ct. The Ring has been hand chiseled with flower motives.

Stamped by the portuguese assay office as 19,2k gold. Stamped with Rosior hallmark.

Stamped by the portuguese assay office as 19,2k gold. Stamped with Rosior hallmark.

Rosior by Manuel Rosas contemporary earrings made in 950 Platinum, 3 cm long (1.18") and set with: - 217 diamonds (G-VVS) with 2,54ct. "Jumbo earring backs", easily adaptable to any...

A Rosior by Manuel Rosas 950 Platinum Ring, Hand Chiseled and Set with: - 1 Pear Cut Diamond with 0,52ct, - 120 Diamonds with 1,81ct. Diamonds (G-VVS) Easily Sizable.

Perfect for those who believe jewelry should perform. DETAILS • Diamonds: 1 round brilliant-cut approx. 1.23ct, J color, VVS clarity; 16 marquise-cut approx. 1.90ct total; 30 baguet...

Antique Gold & Silver Diamond Floral Brooch w/ Aristocratic Provenance, circa 1880 An elegant and highly decorative 19th-century floral diamond brooch, designed as a sweeping br...

Claudino de Oliveira Art Deco Diamond Clip Pin Brooches in Platinum, Portugal, 1940s.

A striking Antique 19th Century Cocktail ring showcasing a richly saturated emerald-cut amethyst set within an elegant halo of old-cut diamonds. Crafted in 19.2 kt yellow gold, this ...

One center set estimated 0.15 carat old mine cut diamond. The star points are set with an estimated 0.25 carats of single cut diamonds.

An exceptional statement of contemporary Portuguese high jewelry, this unique cocktail ring by Rosior is masterfully handcrafted in Portugal and set with an extraordinary pavé of 707...

Origin: Portugal Period: Circa 1925–1935 (Art Deco) Metal: Platinum Diamonds: Two main vintage cushion-cut diamonds, approximately 2.50 carats each Vintage-cut accent diamonds and ba...

Rosior One-off "Flower" Brooch set in Yellow Gold with: - 26 Diamonds with 0,31 ct (G-VVS); - 43 Rubies with 0,72 ct.

Mid-Century Ruby and Diamond Convertible Day-Night Cocktail Earrings, 1950s–1960s.

Elegant double-strand necklace composed of luminous cultured pearls, completed by an exquisitely crafted clasp in silver and gold, set with twelve rose-cut diamonds surrounding a cen...