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      1. Home
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      3. Diamond

      Diamond

      Shop Diamond at Jewelry by Sweet Pea. Browse our selection of diamond, crafted in sterling silver, 10K and 14K gold, with many diamond, gemstone and birthstone options. Every order ships free with a free gift box. Explore all Necklaces to filter by metal and stone.

      Products [653]

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      Product photo | 10K Yellow Gold Diamond Open Circle Necklace | necklace | fine jewelry
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      10K Yellow Gold Diamond Open Circle Necklace
      • 10K yellow gold, polished with diamond-cut texture
      • 18-inch cable chain, 0.8 mm wide, lobster clasp
      • Open circle pendant, 9 mm x 9 mm
      • 20 natural round diamonds, 0.08 ct total
      • Shared prong setting, G-I color, I2 (A) clarity
      $258.10
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      Main product image | 10K White Gold Diamond Open Circle Necklace | necklace | timeless design
      10K White Gold Diamond Open Circle Necklace
      • 18-inch 10k white gold cable chain necklace
      • Diamond-cut open circle pendant, 9 mm x 9 mm
      • 20 natural round diamonds, 0.08 ct total weight
      • Rhodium-plated chain with polished finish
      • Secure lobster clasp closure
      • Made in the United States
      $250.19
      Currently Unavailable Free Shipping.
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      Main product image | 10K Yellow Gold 10Ky Diamond Tiny Bar Necklace | necklace | modern look
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      10K Yellow Gold 10Ky Diamond Tiny Bar Necklace
      • 10k yellow gold, polished with diamond-cut texture
      • 18-inch cable chain with lobster clasp
      • 9 natural round diamonds, 0.036 ct total weight
      • Tiny bar charm, 2mm x 16mm
      • Approx. metal weight: 0.25 g
      $181.11
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      Main product image | 10K White Gold Diamond Tiny Bar Necklace | necklace | romantic style
      10K White Gold Diamond Tiny Bar Necklace
      • 18 inch 10k white gold cable chain, 0.8 mm wide
      • Tiny bar element with 9 natural diamonds, 0.036 ct total
      • G-I color, I2 (A) clarity round diamonds
      • Polished, diamond-cut finish with rhodium-plated chain
      • Secure lobster clasp closure
      $177.29
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      Product photo | Titanium/Silver Two-Tone Edward Mirell Titanium .18Ctw Diamond W/Sterling Silver Bezel Pendant Neck | pendant | elegant jewelry
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      Titanium/Silver Two-Tone Edward Mirell Titanium .18Ctw Diamond W/Sterling Silver Bezel Pendant Neck
      • Two-tone titanium and silver
      • 20-inch stainless steel chain, 3mm
      • 0.18ctw natural diamonds (9 stones)
      • Polished and brushed finish
      • Edward Mirell men's design, gift boxed
      • Free shipping and 30-day returns
      $923.00
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      Main product image | 14K White Gold Diamond Cross 18 Inch Necklace | necklace | classic style
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      14K White Gold Diamond Cross 18 Inch Necklace
      • Solid 14K white gold
      • Lab-grown diamonds, 0.22 ct total weight, VS+ clarity, F+ color
      • Cross pendant on an 18 inch cable chain
      • Gift boxed
      $534.94
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      Hero image | 14K Yellow Gold Diamond Cross 18 Inch Necklace | necklace | fine jewelry
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      14K Yellow Gold Diamond Cross 18 Inch Necklace
      • 14k yellow gold
      • 18-inch cable chain
      • 0.22 ct total lab-grown diamonds, VS+ clarity
      • 11 round diamonds set in the cross
      • Gift boxed
      • Made in the USA
      $520.81
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      Main product image | 14K White Gold Diamond Cross 18 Inch Necklace | necklace | romantic style | ID PM1000-033-WA | C498850
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      14K White Gold Diamond Cross 18 Inch Necklace
      • 14K white gold cross necklace, complete with chain
      • 18 in cable chain, 1 mm wide, lobster clasp
      • 11 round lab grown diamonds, 0.33 ctw, VS+ F+
      • Cross pendant: 15 mm x 10 mm
      • Polished finish with rhodium-plated chain
      • Gift boxed, made in the United States
      $689.26
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      Main product image | 14K Yellow Gold Diamond Cross 18 Inch Necklace | necklace | fine jewelry
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      14K Yellow Gold Diamond Cross 18 Inch Necklace
      • Solid 14K yellow gold
      • 18-inch cable chain, lobster clasp
      • 11 round lab-grown diamonds, approx. 0.33 ct total
      • VS+ clarity, F+ color
      • Gift boxed
      $660.32
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      Studio photo | 14K White Gold Diamond Cross 18 Inch Necklace | necklace | modern look
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      14K White Gold Diamond Cross 18 Inch Necklace
      • 18-inch cable chain, 1 mm, lobster clasp
      • 14K white gold, polished finish
      • Lab grown diamonds, 0.501 total carat
      • VS+ clarity, F+ color
      • Cross element about 24.1 x 17.42 mm
      • Gift boxed; free shipping and returns
      $957.82
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      Studio photo | 14K Yellow Gold Diamond Cross 18 Inch Necklace | necklace | romantic style
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      14K Yellow Gold Diamond Cross 18 Inch Necklace
      • 18 in 14K yellow gold cable chain necklace
      • Lab grown diamond cross, about 1/2 carat total
      • VS+ clarity, F+ color, 11 round diamonds
      • Lobster clasp; cross 24.1 mm long
      • Complete with all stones; gift boxed
      • Free shipping and free 30-day returns
      $921.43
      ✔ In Stock Free Shipping.
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      Product photo | 14K White Gold Diamond Cross 18 Inch Necklace | necklace | elegant jewelry
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      14K White Gold Diamond Cross 18 Inch Necklace
      • Complete 18-inch necklace on a 1 mm cable chain with lobster clasp
      • 14k white gold, rhodium-plated chain, polished
      • 11 lab grown round diamonds, 1.001 carats total
      • VS+ clarity, F+ color
      • Cross measures 30 mm x 22.02 mm
      • Arrives gift boxed
      $1,500.78
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      Studio photo | 14K Yellow Gold Diamond Cross 18 Inch Necklace | necklace | fine jewelry
      14K Yellow Gold Diamond Cross 18 Inch Necklace
      • 18 in 14K yellow gold cable chain, 1 mm width
      • 1.001 ctw lab grown round diamonds, VS+ F+
      • 30 mm x 22.02 mm cross charm, polished finish
      • Lobster clasp closure
      • Complete piece, gift boxed, made in the USA
      $1,592.24
      Currently Unavailable Free Shipping.
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      Main product image | 14K White Gold Diamond Cross 18 Inch Necklace | necklace | romantic style | ID PM1000-150-WA | C498856
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      14K White Gold Diamond Cross 18 Inch Necklace
      • Complete 18-inch cross necklace in 14K white gold
      • 1.51 ct of natural round white diamonds
      • Cross pendant about 27mm by 20mm
      • Cable chain with lobster clasp
      • Made in the United States
      • Free shipping and free 30-day returns
      $2,062.79
      ✔ In Stock Free Shipping.
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      Product photo | 14K Yellow Gold Diamond Cross 18 Inch Necklace | necklace | statement piece
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      14K Yellow Gold Diamond Cross 18 Inch Necklace
      • Complete 18-inch True Origin cross necklace in 14K yellow gold
      • 1.51 ct of round lab grown diamonds, VS+ / F+
      • Cross about 34mm by 25mm
      • Cable chain with lobster clasp
      • Arrives gift boxed
      • Free shipping and free 30-day returns
      $2,045.14
      ✔ In Stock Free Shipping.
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      Hero image | 14K White Gold Diamond Heart 18 Inch Necklace | necklace | romantic style
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      14K White Gold Diamond Heart 18 Inch Necklace
      Material: Primary - Purity: 14K Finish: Polished Stone Type_1: Diamond Stone Quantity_1: 20 Length of Item: 18 in Plating: Rhodium Stone Setting_1: Stone Weight_1: 0.05 ct Stone Clarity_1: I2 (A) Chain Length: 18 in Chain Type: Cable Chain...
      $1,388.23
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      Product photo | 14K Yellow Gold Diamond Heart 18 Inch Necklace | necklace | fine jewelry
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      14K Yellow Gold Diamond Heart 18 Inch Necklace
      • 1 carat total weight of natural round diamonds
      • 14k yellow gold heart, 19 x 18 mm
      • 18 inch 1 mm cable chain with a lobster clasp
      • 20 white diamonds, 2.3 mm each, I2 (A) clarity
      • Complete with all stones; free shipping and free 30-day returns
      $1,370.55
      ✔ In Stock Free Shipping.
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      Hero image | 14K White Gold Diamond Heart 18 Inch Necklace | necklace | minimalist style
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      14K White Gold Diamond Heart 18 Inch Necklace
      • Solid 14K white gold, True Origin
      • 1-1/2 ct lab grown diamonds, VS+ / F+
      • Open heart element, about 20mm
      • 18-inch cable chain, lobster clasp
      • Arrives gift boxed
      $1,850.94
      ✔ In Stock Free Shipping.
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      Main product image | 14K Yellow Gold Heart Pendant With Chain | pendant | elegant jewelry | Diamond
      14K Yellow Gold Heart Pendant With Chain
      Material: Primary - Purity: 14K Stone Type_1: Diamond Stone Quantity_1: 20 Length of Item: 18 in Stone Weight_1: 0.075 ct Stone Clarity_1: I2 (A) Chain Length: 18 in Chain Type: Cable Chain Width: 1 mm Charm/Element Length: 20 mm Charm/Elem...
      $1,177.46
      Not for Sale. Free Shipping.
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      Hero image | 14K White Gold Diamond Heart 18 Inch Necklace | necklace | fine jewelry
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      14K White Gold Diamond Heart 18 Inch Necklace
      • Complete 18-inch True Origin open heart necklace in 14K white gold
      • 2 ct of round lab grown diamonds, VS+ / F+
      • 20 diamonds set in an open heart
      • Cable chain with lobster clasp
      • Arrives gift boxed
      • Free shipping and free 30-day returns
      $2,726.01
      ✔ In Stock Free Shipping.
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      Main product image | 14K White Gold Diamond Circle 18 Inch Necklace | necklace | statement piece
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      14K White Gold Diamond Circle 18 Inch Necklace
      • 14k white gold, rhodium-plated, polished
      • 18 inch cable chain
      • Lab-grown diamond pendant, 0.25 ct total
      • Gift boxed
      • Approx. metal weight: 1.05 g
      $617.62
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      Studio photo | 14K White Gold Diamond Circle 18 Inch Necklace | necklace | classic style
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      14K White Gold Diamond Circle 18 Inch Necklace
      • 18-inch 14k white gold cable chain
      • Lab grown diamonds, about 0.5 ct total
      • VS+ clarity, F+ color
      • 16 mm eternity pendant, lobster clasp
      • Gift boxed; free shipping and returns
      $818.51
      ✔ In Stock Free Shipping.
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      Main product image | 14K Yellow Gold Diamond Circle 18 Inch Necklace | necklace | romantic style
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      14K Yellow Gold Diamond Circle 18 Inch Necklace
      • 18 in 14k yellow gold cable chain, about 1 mm wide
      • Lab grown diamond eternity pendant, 1/2 ct total
      • 25 round diamonds, VS+ clarity, F+ color
      • Polished 14k yellow gold, about 16 mm pendant
      • Complete with all stones, gift boxed
      • Secure lobster clasp
      $816.94
      ✔ In Stock Free Shipping.
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      Studio photo | 14K White Gold Diamond Circle 18 Inch Necklace | necklace | romantic style
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      14K White Gold Diamond Circle 18 Inch Necklace
      • 18 in 14k white gold cable chain, 1 mm wide, lobster clasp
      • 21 mm circle set with 1 carat of natural round diamonds
      • 25 diamonds, 2.1 mm each - complete, all stones included
      • Polished 14k white gold with a rhodium-plated chain
      • Made in the United States
      • Free shipping and free 30-day returns
      $1,424.76
      ✔ In Stock Free Shipping.
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      Hero image | 14K Yellow Gold Diamond Circle 18 Inch Necklace | necklace | fine jewelry
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      14K Yellow Gold Diamond Circle 18 Inch Necklace
      • 18 in 14k yellow gold cable chain, 1 mm wide, lobster clasp
      • 20.85 mm eternity circle with 1 carat of lab grown diamonds
      • 25 round stones, VS+ clarity and F+ color grade
      • Arrives gift boxed and complete
      • Made in the United States
      • Free shipping and free 30-day returns
      $1,423.30
      ✔ In Stock Free Shipping.
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      Studio photo | 14K White Gold Diamond Curved Bar Necklace | necklace | elegant jewelry
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      14K White Gold Diamond Curved Bar Necklace
      • 18-inch 14K white gold cable chain
      • Lab-grown diamonds, approx. 1/4 carat, VS+ clarity
      • Graduated curved bar pendant
      • Secure lobster clasp
      • True Origin collection
      • Free shipping & free 30-day returns
      $697.75
      ✔ In Stock Free Shipping.
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      Product photo | 14K White Gold Diamond Curved Bar Necklace | necklace | modern look | ID PM1005-050-WA-18 | C498870
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      14K White Gold Diamond Curved Bar Necklace
      • 18-inch 14K white gold cable chain, 1mm width
      • Graduated curved bar, 40mm wide
      • 1/2 carat round lab grown diamonds
      • VS+ clarity, F+ color
      • Secure lobster clasp, gift boxed
      • Free shipping and free 30-day returns
      $932.05
      ✔ In Stock Free Shipping.
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      Product photo | 14K White Gold Diamond Curved Bar Necklace | necklace | modern look | ID PM1005-075-WA-18 | C498871
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      14K White Gold Diamond Curved Bar Necklace
      • 14K white gold diamond bar necklace
      • 3/4 ct total natural round white diamonds
      • Bezel-set curved bar, 41 mm long
      • 18 inch cable chain with lobster clasp
      • Rhodium-plated for extra shine
      • Free shipping and free 30-day returns
      $1,164.98
      ✔ In Stock Free Shipping.
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      Hero image | 14K Rose Gold Diamond Heart Necklace | necklace | elegant jewelry
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      14K Rose Gold Diamond Heart Necklace
      • 14K rose gold with polished finish
      • 0.26 ctw lab grown diamonds, VS+ clarity, F+ color
      • 18 in cable chain with lobster clasp
      • Hearts-themed charm design, complete with all stones included
      • Arrives gift boxed
      $484.96
      in stock Free Shipping.
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      Main product image | 14K White Gold Diamond Heart Pendant Necklace | pendant | modern look
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      14K White Gold Diamond Heart Pendant Necklace
      • 14K white gold lab-grown diamond anklet
      • True Origin collection, heart-themed charm
      • Approx. 0.26 ct total diamond weight, VS+ clarity
      • 18-inch cable chain, lobster clasp
      • Arrives gift boxed
      $671.04
      ✔ In Stock Free Shipping.
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      Need help choosing? Contact us anytime - our team is happy to assist.

      Diamond - frequently asked questions

      What metals do your diamond come in?

      Sterling silver, gold-plated sterling silver, and solid 10K and 14K gold (yellow, white and rose). Many pieces also feature genuine diamonds, gemstones, birthstones or CZ.

      Do they arrive gift-ready?

      Yes - every order ships free with a free gift box, perfect for birthdays, anniversaries, graduations and the holidays.

      Can I find matching jewelry?

      Yes - browse all Necklaces for matching pieces, or see our full Jewelry collection.

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