What do the color and clarity grades mean for this diamond?

This pendant's diamonds fall in the K-L color range, meaning a slight warmth that reads well against yellow gold, and I1-I2 clarity, meaning inclusions are present and visible under close inspection. These grades keep the piece accessible while the prong setting spreads the diamonds across the heart's curve.

Whose birthstone is Diamond and what month does it represent?

Diamond is the birthstone for April. It is the traditional stone for those born that month and is often chosen for spring birthdays and milestone anniversaries. Diamond stands alone as April's stone, so this pendant works as a birthday piece for anyone born between April 1 and April 30.

What clasp does this necklace use?

This necklace secures with a spring ring clasp, a compact round closure that opens with a small lever and snaps shut on its own. It sits flat at the back of the neck and is easy to fasten one-handed, keeping the open heart pendant centered at the front.

Can I layer this pendant with other necklaces?

This open heart pendant layers well at its 18-inch length, sitting just below the collarbone. Pair it with a shorter chain around 16 inches and a longer one near 20 inches to build spacing between pieces. Its slim profile keeps it from crowding other pendants worn alongside it.

Is this necklace suitable for men and women?

This open heart pendant reads as a traditionally feminine design, though its clean lines and modest 1/4 cttw scale suit a range of preferences. The 18-inch length works for most necklines. Anyone drawn to the heart motif and warm yellow gold can wear it comfortably.

What length chain does this pendant come with?

This pendant comes on an 18-inch chain, a standard length that rests just below the collarbone on most wearers. It is long enough to sit above a crew neckline and short enough to stay visible with an open collar, keeping the heart centered at the front.

What is the shipping and return policy?

Oath Jewelry ships every order free with tracking included. Returns are accepted within 30 days of delivery; customers are responsible for return shipping, and a 15% restocking fee applies. Orders are packaged securely and arrive ready to gift.

10K yellow gold open heart necklace with round diamond stones

10K Yellow Gold 1/4 cttw Prong Set Round-Cut Diamond Open Heart 18" Pendant Necklace (K-L Color, I1-I2 Clarity)

Name: 10K Yellow Gold 1/4 cttw Prong Set Round-Cut Diamond Open Heart 18" Pendant Necklace (K-L Color, I1-I2 Clarity)
Brand: Oath Jewelry
SKU: 017754PASH
Price: 1478.24 USD
Availability: InStock

$1,478.24

Crafted in Yellow Gold

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Genuine Materials

Ships in 1 to 2 business days

Total $1,478.24

An open heart silhouette in 10K yellow gold traces one continuous line, with round-cut diamonds prong set along the sweeping curve so light reaches each stone from the sides. A small bail sits at the top of the heart, letting the pendant slide freely on its 18-inch chain and settle just below the collarbone. The prongs hold every stone at a slight lift, keeping the 1/4 cttw row visible against the warm gold. Every order ships free with a 30-day return policy.

Product Details & Specs

Metal: Yellow Gold
Karat: 10K
Gemstone: Diamond
Stone Shape: Round
Total Carat Weight: 4 ct
Clarity: i1
Setting: Prong
Length: 18"

The Meaning

The open heart has long stood for love that stays unfinished on purpose, a shape that leaves room to keep giving. Diamond, the April birthstone, carries a tradition of strength and clarity, and paired with the heart it reads as devotion that holds steady over time rather than a single fixed moment.

That pairing suits an anniversary, a first gift between partners, or a note to a daughter born in spring. Worn close to the heart, it becomes a quiet reminder of a bond someone chose to keep open, one they can carry through ordinary days and marked ones alike.

Frequently Asked Questions

What do the color and clarity grades mean for this diamond?: This pendant's diamonds fall in the K-L color range, meaning a slight warmth that reads well against yellow gold, and I1-I2 clarity, meaning inclusions are present and visible under close inspection. These grades keep the piece accessible while the prong setting spreads the diamonds across the heart's curve.
Whose birthstone is Diamond and what month does it represent?: Diamond is the birthstone for April. It is the traditional stone for those born that month and is often chosen for spring birthdays and milestone anniversaries. Diamond stands alone as April's stone, so this pendant works as a birthday piece for anyone born between April 1 and April 30.
What clasp does this necklace use?: This necklace secures with a spring ring clasp, a compact round closure that opens with a small lever and snaps shut on its own. It sits flat at the back of the neck and is easy to fasten one-handed, keeping the open heart pendant centered at the front.
Can I layer this pendant with other necklaces?: This open heart pendant layers well at its 18-inch length, sitting just below the collarbone. Pair it with a shorter chain around 16 inches and a longer one near 20 inches to build spacing between pieces. Its slim profile keeps it from crowding other pendants worn alongside it.
Is this necklace suitable for men and women?: This open heart pendant reads as a traditionally feminine design, though its clean lines and modest 1/4 cttw scale suit a range of preferences. The 18-inch length works for most necklines. Anyone drawn to the heart motif and warm yellow gold can wear it comfortably.
What length chain does this pendant come with?: This pendant comes on an 18-inch chain, a standard length that rests just below the collarbone on most wearers. It is long enough to sit above a crew neckline and short enough to stay visible with an open collar, keeping the heart centered at the front.
What is the shipping and return policy?: Oath Jewelry ships every order free with tracking included. Returns are accepted within 30 days of delivery; customers are responsible for return shipping, and a 15% restocking fee applies. Orders are packaged securely and arrive ready to gift.