Used Effy Jewelry

This striking 14 karat yellow gold diamond labyrinth ring by Effy Jewelry features a contemporary geometric design inspired by classic labyrinth patterns.

14K Yellow Gold Diamond and Emerald Snake Ring Metal: 14K Gold Metal Color: Yellow Stone: Round Diamond 0.33 Stone 2: Marquise Emerald 0.19 Length: 7/8" Effy Jewelry is a luxury jew...

14K Yellow Gold Blue Sapphire and Diamond Snake Ring Metal: 14K Gold Metal Color: Yellow Stone: Round Blue Sapphire 0.95 Stone 2: Round Diamond 0.54 Effy Jewelry is a luxury jewelry...

All Effy jewelry is proudly designed and manufactured in the USA, at its in-house workshop and headquarters in the heart of NYC's diamond district.

Simply Beautiful! Finely Detailed Designer EFFY Ruby encrusted Open Key Pendant, set with 2.52tcw Rubies, accented by Diamonds, approx. 0.32tcw. Hand crafted in 14 Karat Rose Gold. D...

EFFY Diamond Baguette Band 14k Yellow Gold Ring Size 7 (US) Width 4.8mm at the widest point Weight 4grams Hallmarked; EFFY 14K In great looking condition, well taken care of with som...

Effy Natural Ruby & Natural Diamond Band Ring 14K Yellow Gold Ring Size: US 7.5 Weight: approx 5.7 grams In great looking condition wear consistent with time and use such as light sc...

Authentic EFFY Nahla Siri Tanzanite earrings with Black & White Diamonds. Gemstones: Diamond & Tanzanite Gemstone Weight: 1.14CTW Diamond Carat Weight: .45CTW Diamond Cut: Round B...

This Effy 14k white gold ring features a dazzling cluster of diamonds, creating a bold and brilliant centerpiece. The white gold setting enhances the sparkle, offering a sleek and mo...

A sleek and sophisticated Effy piece that adds contemporary polish to any jewelry collection.

eternity wedding band ring by EFFY features a combination of pinkish red rubies and round diamonds set in 14K yellow gold. The ring weighs 8.9 grams and is a size 5, with a width of ...

Designer: Effy Material: 14k yellow gold Diamond: 339 Round Cut = 2.03ctw Color: I / Espresso Clarity: SI2-I1 Size: 6.5 in Width: 18.70mm Weight: 22.3 grams

Effy 14k Yellow Gold Panther Diamond Signet Ring This stunning Effy Panther Signet Ring is ready to ship!

EFFY 18kt Yellow Gold Malachite & Diamond Clover Necklace Elegant and refined, this authentic Effy necklace is crafted in solid 18kt yellow gold and features a symbolic dual clover d...

Enhance your collection with this elegant Pearl and Chain Necklace. Featuring lustrous pearls paired with a sleek chain, this necklace offers a sophisticated blend of classic and mod...

Designer: Effy Material: 14 Karat White Gold Diamonds: 29 round brilliant cut= 0.75cttw Color: H Clarity: I1 Size: 5 Weight: 3.84 grams

A fierce and fashion-forward design from luxury jeweler Effy, these 14k Rose Gold Panther Stud Earrings showcase vivid gemstones and bold feline-inspired styling. Each sculptural pan...

Stunning 18k White Gold Mosaic Diamond Ring Designed by EFFY. Diamond Carat Weight: 1.52ctw Earth Mined Diamonds Diamond Cut: Round Brilliant Cut, Square Baguette Cut, Baguette Cut...

Effy 14 Karat White Gold Cocktail Ring Featuring A 10mm Fantasy Cushion Cut Blue Topaz Surrounded by 36 Round Single Cut Diamonds of VS Clarity and G/H Color Totaling Approximately ...

These stunning Designer Effy Sapphire and Diamond Earrings in 14kt white gold feature 1.14ctw of round blue sapphires, complemented by 0.09ctw of natural GH SI round diamonds in a mi...

These stunning Designer Effy Sapphire and Diamond Earrings in 14kt white gold feature 1.14ctw of round blue sapphires, complemented by 0.09ctw of natural GH SI round diamonds in a mi...

Designer: EFFY Material: 14k yellow gold Diamond: 69 Round Cut = 0.75ctw Color: Cognac/ I Clarity: SI1-2 Length: 18.25” Weight: 5.44 grams

This elegant Effy pendant necklace is crafted in luminous 18K white gold and features a graceful bow motif set with a total of 1.85 carats of sparkling diamonds. The diamonds are exp...

Effy Multicolor Diamond Band Ring in 14Kt White Gold This authentic Effy band ring features an elegant wave motif set with a refined mix of white, champagne, and black diamonds — a ...

This striking EFFY pendant is crafted in luminous 18k white gold and showcases a sculptural spiral teardrop design that feels both modern and fluid. Diamonds totaling approximately 3...

Designer: Effy Material: 14K white gold Diamonds: 6 round brilliant cut = 0.06cttw Color: H Clarity: SI2 Aquamarine: 1 cushion cut = 1.29ct Weight: 2.00 grams

EFFY 14k White Gold Hamsa & Evil Eye Necklace This elegant and symbolic necklace by EFFY is beautifully crafted in 14k white gold and designed with two meaningful charms that offer b...

Elevate your jewelry collection with these stunning Designer Effy Ruby Studs, crafted in luxurious 18kt Rose Gold.

Enhance your collection with this elegant Pearl and Chain Necklace. Featuring lustrous pearls paired with a sleek chain, this necklace offers a sophisticated blend of classic and mod...

EFFY Diamond Pave Knot Style Bangle Bracelet in 14k Rose Gold Diamond Bangle by Effy features two sections of Pave set Round Diamonds in a Knot Style weaving with a High Polished 14...

Weight: 8.8 Grams Stone: 0.95tcw Measurements: 28.9 x 22.6 x 13.3mm Size: 8 Hallmark: Effy, 14k Item #: BR-1648-071025-07

Bold and captivating, this 14K yellow gold dragon ring by Effy features an intricate design adorned with approximately 0.75 carats of round brilliant diamonds.

In new condition with the original tag and a retail price of $3,499, this necklace is a perfect addition to your jewelry collection or a thoughtful gift for someone special. 14kt Yel...

Brand new with tag, this piece has a retail value of $1,949. Designer: Effy 14K white gold 9mm round Tahitian pearl 18 inches length 2.1 grams Lobster clasp New with tag Retail: $1,9...

Designer: Effy Material: 14K rose gold Diamond: 62 round & baguette cut = 0.33cttw Color: H  Clarity:SI1-2 Amethyst: 1 emerald cut = 6.68ct Ring size: 7.25 (please allow two addition...

Effy 14K White Gold Sapphire and Diamond Bangle Bracelet- This stunning 14K white gold bangle bracelet by Effy features 36 marquis sapphires and 10 round brilliant cut diamonds set ...

This stunning Designer Effy Diamond "T" Initial Necklace in 14kt white gold features 0.11ctw of natural GH SI round diamonds, adding a brilliant sparkle to the sleek "T" design. Weig...

Effy 14K White Gold London Blue Topaz Diamond Ring - Set in 14K White gold with a Pear Blue Topaz weighing 10.85 cts. and Round diamonds weighing .36 cts. Size 5.25. Pre-owned with ...

Bold and captivating, this 14K yellow gold cocktail ring by Effy features a stunning design. The centerpiece is a magnificent 11.0-carat round-cut citrine, its vibrant orange hue rad...

EFFY 14k gold Diamond Filigree Vintage Style Medallion Necklace As lovely as the intricate scrollwork of antique-inspired designs, this pendant necklace from EFFY features diamonds i...

This designer Effy sapphire and diamond ring is crafted in 14K white gold and features 1.23 carats total weight of princess cut blue sapphires. The rich blue sapphires are beautifull...

Effy's signature craftsmanship and timeless sparkle make these hoops a stunning addition to any fine jewelry collection-classic, versatile and endlessly wearable.

This designer Effy cross necklace is crafted in 14K white gold and showcases a refined combination of sapphires and diamonds. The cross is set with 0.71 carats total weight of baguet...

This designer Effy Evil Eye necklace is crafted in 14K white gold and features a symbolic and protective design accented with natural diamonds and a vivid blue sapphire. The pendant ...

This exquisite authentic Effy ring is crafted in solid 14k yellow gold and features a vibrant watercolor-style arrangement of multicolored gemstones accented with sparkling natural d...

EFFY This stunning ring is featured on a polished 14K Yellow Gold setting Product Details: 41 Diamonds, 17 Rubies Approx. 1/2 ct. t.w. Diamonds and 3.2 ct. t.w. Natural Rubies Clarit...

This sculptural ring by Effy showcases the brand’s signature balance of bold design and refined diamond pavé. Now discontinued, the piece features an elegant interplay of yellow and ...

Type: Ring Top: 20 mm Band Width: 16 mm Metal: White Gold Metal Purity: 14K Hallmarks: Effy 14K Total Weight: 4.1 Gram Size: 7.5 Condition: Pre Owned Stone Type: Diamond

It is the kind of piece that commands attention the moment it catches the light, offering a wearable work of art that transcends trends and seasons. Crafted by Effy, a name synonymo...

Designer: Effy Material: 14K rose gold Diamonds: round brilliant cut = 0.30cttw Color: TLB / I Clarity: SI2 Dimensions: ring top measures 13.8mm wide Size: 6.75 Weight: 4.40 grams

Royal Blue Sapphire Bracelet Brand: EFFY Metal Type: 14K 585 White Gold Total Item Weight: 11.31 Grams 1: Stone: Natural Blue Sapphire No. Of Stone: 160 Diamond Clarity Grade: Excel...

Item Specifications: Designer: EFFY Metal: 14k White Gold Ring Weight: 7.7 grams Ring Size: 10 Ring Height: 6 mm Gemstone Specifications: Gemstone: 35 blue sapphires Sapphir...

Size: 7 3/4 Sizing Fee: Up 2 sizes for $80 or Down 1 size for $60 Brand: EFFY Metal Content: 14k White Gold Stone Information Natural Diamonds Carat(s): .50ctw Cut: Baguette Colo...

Effy 14 Karat White Gold Sapphire and Diamond Pendant- This stunning pendant features seven round brilliant cut diamonds and eight blue sapphires set in beautifully detailed 14K whi...

Estate EFFY 14K Yellow Gold Tanzanite and Diamond Ring - VHK#315a Item Details: Year: 2000s Ring Size: (Sizable) Metal Type: [Hallmarked, and Tested] Weight: 4.1 grams Diamond Detai...

This elegant Designer Effy pearl bracelet is crafted in 14K yellow gold and features a luminous 8.7mm round pearl as its centerpiece. The modern adjustable bola design allows for a c...

A vibrant study in color and precision, this Effy line bracelet is crafted in 14 karat yellow gold and set with an exact 14.25 carats of natural multicolored sapphires, each cut in c...