Skip to product information

14K Gold Opal Heart Necklace with Natural Phenomena Stone

Sale price  $ 135.78 Regular price  $ 253.62

*Discount code is applied automatically

Length In Inches: 18
Product subtotal: $ 135.78
Image
What's In Your Box
  • Piece presented in a signature Sophia Jewelers gift box
  • Each piece is stamped with the metal type for easy identification and authenticity
  • IGI or GIA grading report included for diamond stones 0.50 carats and above
  • Manufacturer quality statement for accent diamond pieces confirming stone specifications
  • Care card with cleaning and storage instructions
  • Gift wrapping available for an additional fee — select at checkout
Necklace Details & Specifications

Exact specifications vary by style. Key details including metal type, chain length, chain width, stone weight, and clasp type are listed in the product description above.

  • All metals are stamped with their type (e.g. 14K, 925) directly on the piece
  • Chain length and width listed in each product description
  • Clasp type noted in each product description
  • Diamonds are conflict-free; lab-grown diamonds graded by IGI or GIA
  • Colored gemstones are ethically sourced
Shipping & Delivery
  • Free standard shipping on all orders over $99
  • Standard delivery: 5-7 business days via UPS or FedEx
  • Expedited shipping (2-3 business days) available at checkout
  • Overnight delivery available for select items
  • All jewelry ships in insured, tamper-evident packaging
  • Adult signature required on delivery for orders over $500
  • Tracking number emailed as soon as your order ships

Orders placed before 2 PM EST on business days typically ship same day.

Returns & Exchanges
  • 30-day returns on all unworn, unaltered items in original packaging
  • Return shipping is the customer's responsibility unless the item arrived damaged or we made an error
  • Refunds processed within 3-5 business days of receiving the return
  • Custom-engraved items are not eligible for return
  • Sale items are final sale unless defective

To start a return or exchange, email info@sophiajewelers.com with your order number. Our team responds within one business day.

Our Guarantee
  • Every piece is stamped with the metal type for verified authenticity
  • All diamonds are conflict-free, certified to the Kimberley Process standard
  • Gemstones are ethically sourced with transparent supply chains
  • Every item inspected for quality before shipment
  • SSL-encrypted checkout — your payment information is never stored
  • We stand behind our craftsmanship — contact us if anything is not right
14K Gold Opal Heart Necklace with Natural Phenomena Stone
Regular price $ 135.78 USD
Regular price $ 253.62 USD Sale price $ 135.78 USD
Length In Inches: 18
14K Madi K 3mm Opal Heart Necklace
14K Gold Opal Heart Necklace with Natural Phenomena Stone
Sale price  $ 135.78 Regular price  $ 253.62

14K Madi K 3mm Opal Heart Necklace - A Timeless Treasure

Celebrate your elegance with a captivating piece that exudes warmth, beauty, and grace. The 14K Madi K Opal Heart Necklace is designed with love, featuring a radiant heart-shaped opal that illuminates a spectrum of colors with its natural phenomenon. Set in solid 14K yellow gold, this necklace captures the beauty of both material and craftsmanship, making it the perfect accessory for any occasion.

Delicately crafted with 14K gold, the necklace offers a soft, luxurious glow that enhances your neckline and makes the opal heart stand out in all its natural glory. The opal, October’s birthstone, symbolizes hope, purity, and truth—making this necklace the perfect personalized gift for those born in this month or anyone who loves opal's enchanting beauty.

This dainty 15-inch chain fits comfortably around your neck and is secured with a durable spring ring clasp, ensuring both elegance and security. Whether you're looking to elevate your everyday look or seeking a precious gift for someone special, the 14K Madi K 3mm Opal Heart Necklace is more than just jewelry—it's a symbol of love, beauty, and timeless style.

Key Features and Benefits:

  • Premium Materials: Crafted from solid 14K yellow gold, offering lasting shine and durability.
  • Natural Opal Gemstone: The heart-shaped opal is a natural, untreated gemstone that showcases a stunning play of colors, making every piece unique.
  • Symbol of Love and Purity: Opal, the birthstone for October, brings an emotional and personal touch to the necklace.
  • Elegant Design: A delicate 15-inch chain highlights the heart charm, creating a sophisticated and minimalistic look.
  • Perfect Gift: Ideal for birthdays, anniversaries, or special moments, this necklace arrives elegantly packaged, ready for gifting.

Item Specifications:

  • Material - Primary - Purity: 14K
  • Material - Primary - Color: Yellow
  • Stone Type: Opal (Natural, Not Enhanced)
  • Stone Color: Phenomenon
  • Stone Creation Method: Natural
  • Chain Length: 15 inches
  • Chain Width: 1 mm
  • Charm/Element Length: 10 mm
  • Charm/Element Width: 6 mm
  • Clasp/Connector: Spring Ring
  • Manufacturing Process: Die Struck
  • Jewelry Type: Necklace with Pendant
  • Birthstone Month: October (Opal)

Make It Yours Today

Elevate your jewelry collection with timeless elegance, or delight a loved one with this meaningful and exquisite piece. The 14K Madi K Opal Heart Necklace is ready to become your next favorite accessory, offering both beauty and symbolism in one stunning piece. Don’t wait—add this sophisticated necklace to your cart today and enjoy free shipping on your order!

Identification
SKUSJQG-GK412-15
BrandSophia Jewelers
Product TypeNecklaces

Precious Metals at Sophia Jewelers

Every piece is crafted from certified precious metals selected for lasting brilliance and skin-safe wear.

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. All Sophia Jewelers lab-grown diamonds are conflict-free by definition and independently graded by IGI or GIA.

Necklace Length Guide

Chain length determines where a necklace sits on the body. Here is a quick reference:

  • 14 inches (Choker): Sits at the base of the throat. Works with open necklines and off-shoulder styles.
  • 16 inches (Princess): Rests at the collarbone. The most popular length for pendants and solitaire necklaces.
  • 18 inches: Falls just below the collarbone. The most versatile all-purpose length — flatters most necklines and pendant sizes.
  • 20 inches (Matinee): Sits at the top of the chest. Works well with higher necklines and larger pendants.
  • 22-24 inches: Falls across the chest. Great for layering and statement looks.
  • 28-30 inches (Opera): Dramatic length, sits below the neckline. Can be worn doubled for a different look.

When in doubt, 18 inches is the safe choice — it suits most necklines and pendant sizes.

Necklace Types at Sophia Jewelers

  • Chain necklace — a continuous metal chain, the foundation of any jewelry wardrobe
  • Pendant necklace — a chain with a single decorative element hanging from a bail
  • Tennis necklace — a continuous line of diamonds or gemstones in a flexible setting
  • Station necklace — a chain with evenly spaced stones or charms — elegant and understated
  • Lariat / Y-necklace — a long chain that loops through itself, creating a Y shape
  • Choker — a close-fitting necklace that sits at the throat, typically 14-16 inches

Clasp Types

  • Lobster claw — the most secure clasp, standard for most fine necklaces
  • Spring ring — lighter and slimmer, common on delicate chains
  • Toggle — T-bar through a loop, decorative and easy to use one-handed
  • Box clasp — clicks shut, used on heavier and multi-strand necklaces

The clasp type for each necklace is noted in the product description.

Layering Necklaces

Vary chain lengths by 2-4 inches between each layer. Mix chain widths and styles for texture. Combine a plain chain with a pendant necklace and a station necklace for a complete layered look. Two or three layers is the sweet spot — more than four tends to look busy.

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

Free standard shipping on all orders over $99. Orders ship within 1-2 business days in insured packaging.

  • Standard Shipping: Free on orders over $99 (5-7 business days)
  • Expedited Shipping: 2-3 business days (additional fee at checkout)
  • Overnight Shipping: Next business day (available for select items)

A tracking number is emailed as soon as your order ships.

Returns and Exchanges

We offer a 30-day return policy on all unworn, unaltered items in original condition with original packaging. Custom-engraved items are not eligible for return.

To begin a return or exchange, email info@sophiajewelers.com with your order number.

Verified Reviews

What Our Customers Are Saying

Every review is from a verified purchase. Real people, real stories, real Sophia Jewelers.

  • Free Shipping

    On all orders over $99

  • 30-Day Returns

    Hassle-free exchanges

  • Certified Quality

    Authenticity guaranteed

  • Secure Checkout

    SSL encrypted payments

Know Before You Buy

Frequently Asked Questions

Everything you need to know about our necklaces, chain lengths, metals, and more.

The right length depends on your neckline and where you want the necklace to sit. 14 inches sits at the base of the throat (choker); 16 inches rests at the collarbone and is ideal for pendants; 18 inches falls just below the collarbone and is the most versatile all-purpose length; 20-22 inches sits on the chest; 24-30 inches falls below the neckline for a dramatic look. If in doubt, 18 inches is the safe choice — it flatters most necklines and suits most pendant sizes.
Sophia Jewelers carries a full range of necklace styles including chain necklaces, pendant necklaces, tennis necklaces, beaded necklaces, lariat and Y-necklaces, station necklaces, chokers, and layering sets. Our collection spans 10k to 18k gold, sterling silver, and platinum, with options in plain metal, diamond, and gemstone styles.
16 to 18 inches is the most popular range for pendant necklaces. 16 inches places a pendant at the collarbone for a delicate, elevated look. 18 inches drops the pendant just below the collarbone — the sweet spot for most pendant sizes and necklines. If the pendant is large or heavy, 20-22 inches gives it room to move without the chain feeling short.
The most common necklace clasp types are: lobster claw (the most secure and widely used), spring ring (lighter and slimmer — common on delicate chains), toggle (a T-bar through a loop — decorative and easy to use), box clasp (clicks shut — used on heavier chains and pearl necklaces), and magnetic clasp (easy to wear — best for lightweight chains). The clasp type for each necklace is noted in the product description.
Sophia Jewelers necklaces are crafted in 10k, 14k, and 18k yellow gold, white gold, and rose gold; sterling silver (925); and platinum. 14k gold is the most popular choice for fine necklaces, offering the ideal balance of color, durability, and value. Sterling silver is a beautiful and affordable option for everyday chain necklaces. The metal for each piece is listed in the product title and description.
Yes. 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. The only difference is origin. Graded by IGI or GIA using the same 4C criteria, lab-grown diamonds are typically 50-70% less expensive than comparable mined diamonds — meaning you get a larger, higher-quality diamond for your budget.
Layering necklaces looks best when you vary lengths by 2-4 inches between each piece. A classic three-layer combination: 14-16 inches at the collarbone, 18 inches just below, and 20-22 inches on the chest. Mix chain widths and styles — a fine box chain with a slightly heavier cable chain adds depth. Mixing a plain chain with a pendant necklace and a station necklace creates visual variety without clutter. Odd numbers (2 or 3 layers) tend to sit more elegantly than four or more.
Remove necklaces before swimming, showering, or using cleaning products. Apply lotion, perfume, and hairspray before putting on your necklace. Clean with mild dish soap and warm water using a soft toothbrush, rinse thoroughly, and dry with a lint-free cloth. Store chains individually to prevent tangling — a chain organizer or small zip pouch works well. Have diamond and gemstone necklaces professionally inspected once a year to check prong and clasp integrity.
We offer a 30-day return and exchange policy on all necklaces in original, unworn condition with original packaging. Custom-engraved necklaces are not eligible for return. Return shipping is the customer's responsibility unless the item arrived damaged or we made an error. Email info@sophiajewelers.com with your order number to begin. Our team responds within one business day.
Yes. All Sophia Jewelers diamonds are conflict-free and comply with the Kimberley Process Certification Scheme. Our colored gemstones come from suppliers with transparent, ethical supply chains and fair labor standards. Lab-grown diamonds are conflict-free by definition. Responsible sourcing is a core commitment across our entire collection.

Related products

Recently viewed products