Trefoil Jewelry

A pair of pearl and diamond trefoil ear clips by Ruser. Each earring measures 2.3cms (0.8")

A Stunning Victorian Cabochon Garnet Trefoil clover pendant with a small silver clover in the middle, diamond drop and tiny round locket at the back. Pendant made in gold and silver....

A Trefoil is a symbol made up of three overlapping circles in a clover pattern.

South Sea pearl buttons fall from 40.00 carats of round and pear-shaped diamonds set in flexible, 18kt yellow gold

These elegant early 20th century earrings are fashioned in 18k white gold with 14k yellow gold ear wires. The earrings feature dazzling square cushion cut diamonds (.66ct and .74ct) ...

18 karat yellow gold bracelet of flexible link design with six Ceylon sapphire and rose cut diamond trefoils. Exceptional quality and condition with a soft patina. With its original ...

Finely detailed antique Victorian moonstone & garnet ring (circa 1880s to 1900s), crafted in 14 karat rose gold. Three moonstones measure 3mm each. One estimated 0.03 carat garnet ...

Finely detailed antique Victorian citrine & diamond trefoil ring (circa 1880s to 1900s) crafted in 14 karat yellow gold. Three estimated 0.40 carat citrines total an estimated 1.20...

Made in Moscow between 1899 and 1908. The 14K gold trefoil brooch is set with a dark red garnet, a bright apple green chrysolite and a lavender purple amethyst. The brooch is marked ...

A pearl and diamond trefoil brooch, circa 1900 The leaves set with black, white and pink conch pearls, each within a surround of cushion-shaped, old brilliant and rose-cut diamonds,...

A late 19th century opal and diamond ring. The three heart-shaped opals of the trefoil leaves centering an old cut diamond. Weight 1,7gr Size 6

Antique Trefoil Shaped Diamond and Gold Earrings circa 1900 The 14K rose gold dangling earrings are set with eight sparkling old European cut diamonds. Estimated total diamo...

Circa 1890s The leaves of this gold trefoil brooch are set with an excellent vivid blue sapphire and two tourmalines – pinkish purple and deep green. The brooch is embellished with ...

An antique diamond trefoil ring, set with rose-cut diamonds, in a trefoil design, in silver claw crown settings and smaller diamonds, in grain settings, with an estimated total diamo...

These elegant Retro emerald and diamond trefoil earrings are a beautifully distinctive pair from the 1940’s, combining vivid gemstone color, antique diamond sparkle, and warm yellow ...

Estate 18 Karat Gold and Diamond Trefoil Earrings by JR Gold Smart and elegant trefoil designs by JR Gold, comprising a trio of entwined rings of gold, one frosted with diamonds, ...

A pair of 18 karat yellow gold and ruby trefoil shaped earrings, Circa 1980s. The earrings are of gold ropework style, set with a total of 42 faceted round rubies weighing a total o...

Tiffany & Co. Sterling Silver Clover Trefoil Key Pendant Necklace Gorgeous sterling silver key pendant on a beautiful matching sterling silver chain by designer Tiffany & Co. Chain...

18k Yellow Gold Trefoil Key Pendant And 30" Oval Link Chain Nekclace by Tiffany & Co. Measurements: Length: 30" Key: 59mm x 18mm Weight: 11.6 grams Hallmarks: Tiffany & Co 750 *Fr...

A round 18k yellow gold pendant with ruby, sapphire, emerald and diamonds, France, ca. 1950s. The pendant depicts a gemset trefoil clover in the centre, with each leaf set with a v...

The rectangular links feature an intricate trefoil design with the sugarloaf amethysts set securely in double four pronged mounts.

Designed as a dynamically formed trefoil knot motif Featuring a satin finish with polished edges Completed by posts and hinged omega backs With maker's mark and stamped 14K for 14...

This stunning Tiffany & Company diamond trefoil key pendant is crafted with 18K white gold and measures 2.25 inches long.

A beautiful, Dainty little antique, Art Nouveau era Amethyst and seed pearl pendant. The pendant is a diamond shape, openwork with a double rim border. To the centre there is a sin...

Van Cleef & Arpels, Paris Important 18k Gold Trefoil Earrings, 1969 Of Trefoil design, this pair of earrings are an important work from Van Cleef & Arpels. One of the first Trefoil ...

Stones: - diamonds, 3 stones - round brilliant cut - approximately .07 total carats - F-G color, VS clarity Length: 2.25 in. Width: 5/8 in. Weight: 4.4 dwts. / 6.8 grams Stamps: ...

--Stone(s):-- (2) Natural Genuine Rubies - Round Brilliant Cut - Prong Set - Rich Purplish Red Color - 3.5mm each - 0.40ctw (approx.) Material: Solid 14k Yellow Gold Weight: 4.2 Gra...

A pair of Mid-Century ruby and diamond trefoil cluster clip-on earrings in platinum, Portugal, 1950s/1960s.

Trefoil shaped earrings are dynamically formed with intersecting and undulating layers With a deeply ridged texture and a bright polish Centering round cut rubies, bright red in co...

Small white seed pearls accent the design. The trefoil motif in jewelry often symbolizes trinity or faith.

Designed as a patriarchal cross featuring a doubled cross bar With each extension terminating as a clover trefoil motif Completed by jump ring bale Tested as platinum Circa: 1930...

Tiffany & Co. popular key pendant crafted in 18 karat yellow gold. The trefoil design is on top, and the key meaures 2.00 inches in length and .75 inches in width. Signed Tiffany & C...

18k gold engraved pendant set with pave diamonds. Signed +LR. From the estate of Jackie Collins.

--Stone(s):-- (2) Natural Genuine Rubies - Round Brilliant Cut - Prong Set - Rich Purplish Red Color - 3.5mm each - 0.40ctw (approx.) Material: Solid 14k Yellow Gold Weight: 4.2 Gra...

This elegant hollow curb link necklace is made out of 18k gold. It can be taken apart to transform into two bracelets. The front of the necklace is decorated with three ruby and diam...

Metal Content: 14k Yellow Gold & 14k White Gold Stone Information Natural Diamonds Carat(s): 1.03ctw Cut: Round Brilliant Color: I - J Clarity: SI2 - I1 Total Carats: 1.03ctw Cha...

Stylish Ethiopian natural opal cocktail ring crafted in 14 karat yellow gold. Cabochon cut opal measures 16mm x 13mm (estimated at 6 carats). The opal is in excellent condition and...

A Victorian double trefoil pearl and diamond ring, set in white with three round pearls each measuring approximately 5x5 mm and three old brilliant-cut diamonds estimated to weigh a ...

Authentic Tiffany & Co. 'Trefoil Key' pendant crafted in 18 karat yellow gold. The pendant hangs from a Tiffany & Co. oval-link chain necklace crafted in 18 karat yellow gold and mea...

This adorable antique cluster ring is set with three transitional cut diamonds, arranged in a clover trefoil. The shoulders curve elegantly towards the head, and the stones are set i...

A wonderful Edwardian era trefoil brooch, the three crescent lobes are centred around a platinum double halo, and an old European cut diamond in the middle. Within each crescent sits...

This cool antique conversion ring has been re-purposed from the head of an Edwardian bar brooch, c.1910. The clover trefoil centrepiece is set with three vibrant opals, above a singl...

A sweet antique heart pendant set with a trefoil of vivid turquoise cabochons. The heart is constructed from a single piece of thick gold wire, and features a lover's knot motif abov...

Beautiful, elegant "Trefoil" earrings. Made and signed by VERDURA. Brilliant white diamonds totaling 3.65 carats.

An 18kt gold and diamond brooch, designed as an openwork trefoil knot with small circular-cut diamonds to the spray terminals, circa 1950
Total weight of diamonds approximatel...

An especially lovely antique bangle, set at the head with a three moonstone clover motif. It's modelled in 15k gold throughout, the clover resting on a thin adjustable band. The ston...

A beautiful and delicate ruby trefoil pendant from the Victorian (ca1880) era! This exquisite pendant features three luscious ruby cabochons that form the "leaves" of a trefoil-shape...

Nice petite Napoleon third period bangle. French hallmarks. 1860. Rose cut diamond and 3 persian turquoise stones in the form of a trefoil design. 18k Gold. Great for layering. ...

Very feminine antique trefoil earrings made of solid high quality gold (12kt). The centerpiece of each earring carries a lovely trefoil set with the three natural round-cut corals....

A pair of rare Romanov-era cufflinks, period of Tsar Alexander III, designed as rose gold squares with rounded edges, each inset with a rose diamond and ruby clover, symbol of the Ho...

Tiffany and Co. carry the reputation of excellent craftsmanship and exquisite creativity when it comes to jewelry, and this gorgeous necklace is a sweet proof. The piece is made from...

A mesmerizing example of Georgian-era jewelry, this exquisite pendant necklace would look stunning worn on special occasions!

A beautifully presented garnet and pearl. Trefoil shape. pendant brooch which can be worn as a pendant or a brooch, features 3 oval garnets and 16 complimenting seed pearls graduated...