Diamond Heart Pendant in Sterling Silver, 22mm (1/20 ct. tw.)

Pairs Well With
More pieces in the same metal and style.
Product Overview
Soft curves and a bright polish give this heart pendant a romantic, easy elegance. Solid sterling silver carries a rhodium finish, so the surface glows with a clean, silvery luster that suits both quiet and dressed-up moments.
A single round natural diamond rests in the heart, adding a small, steady spark that catches the light as you move. The simple shape keeps the look refined, ready to hang from a favorite chain and layer with other pieces you already love.
Key Features
- Crafted in 925 sterling silver with a polished finish
- Finished with rhodium plating for lasting brilliance
- Set with white diamond
- Measures 17 mm wide and 18 mm long (22 mm overall)
- Approximate weight of 1.3 grams
Why You’ll Love It
- A bright polish that looks clean and refined with everything.
- A small diamond spark that adds light without feeling fussy.
- Simple romantic shape that layers easily with other necklaces.
- Easy to wear from morning errands to evening plans.
Perfect For
Made for anniversaries, Valentine's Day, birthdays, Mother's Day and graduation, this heart pendant suits partners, daughters, mothers, grandparents and friends alike. It is a thoughtful way to say you care, and a piece that is easy to wear every day.
Precious Metals at Sophia Jewelers
Our jewelry comes in a range of metals, from gold, platinum and sterling silver to stainless steel and titanium. Each product page lists its exact metal.
14k Gold (Most Popular)
58.3% pure gold. The ideal balance of durability and color richness. Available in yellow gold, white gold, and rose gold. The standard choice for fine jewelry.
18k Gold (Premium)
75% pure gold. Richer in color, slightly softer than 14k. Preferred for heirloom and statement pieces where purity matters most.
10k Gold (Everyday Value)
41.7% pure gold. The most durable gold alloy — ideal for active wearers. Stamped 417 on the piece.
Sterling Silver
92.5% pure silver, stamped 925. Cool-toned and versatile. Best for occasional wear; silver develops a natural patina over time.
Platinum
Naturally white, hypoallergenic, and the most durable precious metal. Recommended for those with nickel sensitivities.
Titanium & Stainless Steel
Lightweight, hypoallergenic, and virtually maintenance-free. Excellent for everyday wear and sensitive skin.
Lab-Grown Diamonds
Lab-grown diamonds are physically, chemically, and optically identical to mined diamonds. Same carbon crystal structure, same hardness (10 on the Mohs scale), same brilliance. Created in a controlled environment, lab-grown diamonds are typically 50-70% less expensive than comparable mined stones. Lab-grown diamonds are conflict-free by origin. Grading reports are included only when the individual product details specify one.
Choosing the Right Pendant or Charm
Pendant Sizing and Chain Length
The chain length determines where a pendant sits on the body. A quick reference guide:
- 14 inches (Choker): Sits at the base of the throat. Works with small, delicate pendants only.
- 16 inches (Princess): Rests at the collarbone. The most popular length for solitaire and small pendants.
- 18 inches: Hangs just below the collarbone. Versatile — suits most pendant sizes and necklines.
- 20-22 inches (Matinee): Sits on the chest. Works well for larger, statement pendants.
- 24-30 inches (Opera): Falls below the neckline. Best for bold pendants or layered looks.
As a rule: larger and heavier pendants look best on longer chains. Small, delicate pendants can feel lost on a long chain.
Layering Pendants
Vary chain lengths by 2-4 inches between each layer. Classic three-layer: 16", 18", 20-22". Mix pendant sizes from small at the shortest layer to larger at the longest. Mixing chain styles — box chain, cable chain, snake chain — adds texture without clutter.
Charm Bracelet Compatibility
Charms are designed to attach via lobster claw clasp or jump ring to a bracelet or chain. Standard compatibility works with bracelets that accept 3-5mm wire gauges. Contact us with your bracelet details and we will confirm compatibility before you purchase.
Pendant Types at Sophia Jewelers
- Solitaire pendant — a single stone in a bezel or prong setting, the most classic choice
- Cluster pendant — multiple stones arranged together for maximum brilliance
- Locket — opens to hold a photo or keepsake; a timeless heirloom style
- Cross pendant — available in plain metal and gemstone-set styles across all metals
- Symbolic charm — hearts, stars, initials, animals, zodiac signs; ideal for charm bracelets
Caring for Your Jewelry
Fine jewelry deserves thoughtful care. These guidelines will keep your pieces luminous for years.
Daily Wear
- Remove jewelry before swimming, showering, or using cleaning products
- Apply lotion, perfume, and hairspray before putting on your jewelry
- Avoid wearing jewelry during gym workouts or high-contact activities
- Put jewelry on last when getting dressed
Cleaning at Home
Mix a few drops of mild dish soap with warm water. Soak for 15-20 minutes, then gently scrub with a soft toothbrush. Rinse thoroughly and dry with a lint-free cloth. Safe for gold, platinum, and most gemstones. Avoid ultrasonic cleaners for pearls, opals, and emeralds.
Storage
Store each piece separately in a soft pouch or compartmentalized jewelry box to prevent scratching. Keep chains laid flat or hung to avoid tangling. Store silver in anti-tarnish pouches to slow oxidation.
Professional Care
Have precious stone jewelry professionally cleaned and inspected once a year to check prong integrity, stone security, and clasp function.
Shipping
Standard shipping is free on US orders of $99 or more. Orders ship within 2–3 business days in insured packaging.
- Standard: free on US orders of $99 or more; under $99, the USPS rate is shown at checkout
- Faster delivery: USPS Priority Mail, UPS 2nd Day Air and UPS Next Day Air, priced at checkout
- International: Canada, the UK, Germany, Australia and Japan, priced at checkout
A tracking number is emailed as soon as your order ships.
Returns and Exchanges
Return or exchange unworn items within 30 days of delivery, with their original tags and packaging. Request a return authorization (RMA) first; refunds carry a 10% restocking fee, waived for store credit. Engraved and personalized pieces can't be returned.
To start a return or exchange, email info@sophiajewelers.com with your order number, or see how returns work.
What Our Customers Are Saying
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Diamond Pendants, answered
Straight answers about diamond pendants. See all Diamond Pendants
- Free Shipping
- US Orders $99+
- Exchanges
- 30 Days
What affects the price of diamond pendants?
Gold karat, diamond weight, and pendant size drive the price. Total carat weight, the metal color, and whether a piece is solid gold or has several hearts and settings all play a part. Use the Price filter on this page to set a budget.
Which diamond pendant styles are most popular?
Heart pendants lead the list by a wide margin. Double heart styles, slide pendants, and entwined hearts show up near the top, mostly in 14K yellow, white, and two-tone gold. Diamond heart pendants in a single heart shape follow close behind.
How do I choose between white, yellow, rose, and two-tone gold?
Match the gold color to the jewelry the wearer already owns. White gold gives a cool, silvery look that makes diamonds stand out. Yellow gold feels warm and classic, rose gold is softer and pinker, and two-tone combines colors in one piece.
Does a larger pendant mean more diamond?
Not always. Millimeter size describes the pendant's height or length, while total carat weight (ct. tw.) describes the diamonds in it. A 38mm heart can hold a small diamond total, so check both numbers on each listing.
How should I care for a diamond pendant?
Clean it gently and store it separately. Warm water, mild soap, and a soft brush remove lotion and oils that dull the sparkle. Keep it in a soft pouch so it does not scratch other pieces. See our jewelry care guide for more.