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

This necklace carries H-I color and SI1 clarity diamonds. H-I sits in the near-colorless range with only a faint warmth that is hard to detect once the stones are set in gold. SI1 means small inclusions are present but not visible to the naked eye, giving a bright face without paying for flawless grades.

Whose birthstone is Diamond and what month does it represent?

Diamond is the birthstone for April. It is the sole traditional stone for that month, so anyone born between April 1 and April 30 can claim it. Diamond also serves as the anniversary gemstone for the 60th and 75th wedding years, making it a fitting choice beyond birthdays.

How does this pendant sit at 18" inches?

The 18-inch chain settles at or just below the collarbone on most adults, placing the key pendant in the center of the neckline. This length clears a crew neckline and frames an open collar. The soldered bail keeps the key facing forward rather than twisting as you move.

What clasp does this necklace use?

This necklace secures with a standard spring-ring clasp at the back of the chain. The mechanism opens with light thumb pressure and closes with an audible click, holding firmly through daily wear. The small ring makes one-handed fastening straightforward without needing a mirror.

Can I layer this pendant with other necklaces?

This key pendant layers well with shorter and longer chains for a stacked look. Pair it with a 16-inch choker above or a 20-inch chain below to create spacing between pieces. Keep companion chains in white or yellow gold to echo the two-tone metals in the pendant.

Is this necklace suitable for men and women?

This key pendant works for men and women alike. The key motif and two-tone gold read as unisex, and the 18-inch length suits a range of necklines and frames. Those preferring a longer drop can request an extended chain to shift the pendant lower on the chest.

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.

18K white gold key necklace with princess and baguette diamond stones

18K Yellow and White Gold 1 7/8 Cttw Princess Baguette Diamond Key Shaped 18" Pendant Necklace (H-I Color, SI1-SI2 Clarity)

Name: 18K Yellow and White Gold 1 7/8 Cttw Princess Baguette Diamond Key Shaped 18" Pendant Necklace (H-I Color, SI1-SI2 Clarity)
Brand: Oath Jewelry
SKU: 019191NTDM
Price: 8931.14 USD
Availability: InStock

The key silhouette reads clearly at a glance, with a row of princess-cut diamonds running along the shaft and baguettes framing the looped bow at the top. Two-tone 18K gold separates the white gold diamond channels from yellow gold accents, giving the outline definition against the skin. A soldered bail at the crown of the key threads onto the 18-inch chain so the pendant hangs upright and centered. Every order ships free with a 30-day return policy.

$8,931.14

Crafted in White Gold

30-day returns. Return policy

Free Priority Shipping

Secure Purchase

Genuine Materials

Ships in 1 to 2 business days

Total $8,931.14

The Meaning

A key has long stood for access, trust, and the unlocking of something held close. Across many traditions it signals a passage opened between two people, or the safekeeping of a promise. Diamonds carried in that shape add the idea of clarity and endurance, since the stone resists wear and holds its brightness over decades of daily contact.

That makes this pendant a natural marker for a first home, a graduation, or a milestone birthday, especially for someone born in April who claims the diamond as their stone. Handing over a key says you are entrusting a part of your life, and this piece keeps that gesture visible at the collarbone.

Product Details & Specs

Metal: White Gold
Karat: 18K
Gemstone: Diamond
Stone Shape: Princess
Total Carat Weight: 8 ct
Color and Clarity: h-i color, si1 clarity
Length: 18"

Frequently Asked Questions

What do the color and clarity grades mean for this diamond?: This necklace carries H-I color and SI1 clarity diamonds. H-I sits in the near-colorless range with only a faint warmth that is hard to detect once the stones are set in gold. SI1 means small inclusions are present but not visible to the naked eye, giving a bright face without paying for flawless grades.
Whose birthstone is Diamond and what month does it represent?: Diamond is the birthstone for April. It is the sole traditional stone for that month, so anyone born between April 1 and April 30 can claim it. Diamond also serves as the anniversary gemstone for the 60th and 75th wedding years, making it a fitting choice beyond birthdays.
How does this pendant sit at 18" inches?: The 18-inch chain settles at or just below the collarbone on most adults, placing the key pendant in the center of the neckline. This length clears a crew neckline and frames an open collar. The soldered bail keeps the key facing forward rather than twisting as you move.
What clasp does this necklace use?: This necklace secures with a standard spring-ring clasp at the back of the chain. The mechanism opens with light thumb pressure and closes with an audible click, holding firmly through daily wear. The small ring makes one-handed fastening straightforward without needing a mirror.
Can I layer this pendant with other necklaces?: This key pendant layers well with shorter and longer chains for a stacked look. Pair it with a 16-inch choker above or a 20-inch chain below to create spacing between pieces. Keep companion chains in white or yellow gold to echo the two-tone metals in the pendant.
Is this necklace suitable for men and women?: This key pendant works for men and women alike. The key motif and two-tone gold read as unisex, and the 18-inch length suits a range of necklines and frames. Those preferring a longer drop can request an extended chain to shift the pendant lower on the chest.
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.

Shipping & Returns

Free U.S. shippingOn every order, no minimum

Ships in 1 to 2 business daysThen 2 to 5 business days in transit

30-day returnsUnworn and in original condition

Tracking on every orderEmailed as soon as it ships