GIA Certified Diamonds

Welcome to a world of unparalleled brilliance at Icestore.com! We invite you to explore our meticulously curated collection of top-quality, GIA certified loose diamonds.

Whether you're seeking the perfect stone for a custom piece or a timeless addition to your collection, our GIA certified loose diamonds offer an extraordinary range of options.

Shop now at Icestore.com and elevate your jewelry experience with diamonds that shine with the GIA seal of excellence and the unmatched pricing of Icestore.

Explore Our Collection of GIA Certified Diamonds

Use the filters below to set your preferences for carat weight, shape, color and clarity.

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View 360° high resolution videos and full detail of each diamond by clicking the image.

1ct Round - G - SI2 - Very Good cut - EMD30344

$2,764

1ct Round - D - SI2 - Very Good cut - EMD27042

$4,374

1ct Round - J - SI1 - Very Good cut - EMD15905

$2,390

1ct Round - E - IF - Very Good cut - EMD5879

$8,447

1ct Round - E - VS2 - Very Good cut - EMD28937

$5,142

1ct Round - J - SI1 - Excellent cut - EMD28661

$2,443

1ct Round - F - SI1 - Very Good cut - EMD3320

$4,437

1ct Round - H - SI1 - Good cut - EMD27763

$2,733

1ct Round - E - VVS2 - Excellent cut - EMD23830

$5,248

1ct Round - E - SI2 - Very Good cut - EMD27932

$2,930

1ct Round - H - VS2 - Very Good cut - EMD15421

$3,982

1ct Round - E - VVS2 - Very Good cut - EMD10372

$8,042

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Glowing Praise: Our Clients Share Their Icestore Experience

Maria S.

“A phenomenal team to work with--very kind, prompt to answer, and the lab grown diamond we purchased from them is just stunning. Highly recommend and will absolutely be back!"

Nancy G.

"I’d give this review 10 stars if it were possible. I can’t say enough good things about my experience with Ari. He helped me to find the perfect ring! It was a pleasure throughout the entire process and I truly couldn’t be more pleased with the outcome!"

Susan K.

"I could not be happier with the ring or, more importantly, my experience with Ari and IceStore. He made me feel completely comfortable about buying something of such value through the internet.

EXPERIENCE ICESTORE

Since 2001, Icestore has curated an impeccable legacy of excellence in the diamond industry.

Boasting a flawless track record of 100% customer satisfaction, our commitment to unparalleled service and top-tier quality is unwavering. With a pristine 5-star rating on Google and an esteemed A+ rating from the Better Business Bureau, Icestore stands as a beacon of trust and reliability.

Experience the pinnacle of luxury and sophistication with Icestore.

Experience stress-free shopping with seamless delivery and personalized customer care. Custom design services allow you to create a ring as unique as your love story. Our commitment to exceeding expectations ensures a flawless journey from selection to purchase.
Enjoy personalized guidance from dedicated experts in an exclusive, no-pressure environment. Private consultations and custom design options create a seamless, luxurious experience. Secure transactions and a 30-day risk-free return policy ensure a confident purchase.
We offer a handpicked collection of unique, high-end engagement rings designed for sophistication and individuality, crafted with attention to the smallest details to maintain our trusted reputation for excellence. Our diamond collections are deeply curated to offer only the highest quality GIA certified natural diamonds, yellow diamonds, lab-grown diamonds and fancy color lab diamonds.

We ensure meticulous craftsmanship in every piece, meeting the highest luxury standards, with transparent pricing to deliver exceptional value. Every ring is custom manufactured specifically in your desired ring size and for your diamond. We craft stunning diamond engagement rings and jewelry with flawless finishes and timeless elegance all backed by certified authenticity from trusted gemological institutes with a lifetime warranty for lasting quality.
Our dedicated team of diamond and jewelry experts is always ready to provide personalized consultations, guiding you through the selection process with expertise and care. Our singular goal is to guide you through the process of choosing a breathtaking diamond and helping to pair it with the ring of your dreams.
We offer a 30-day risk-free return policy, allowing you to shop with confidence and return or exchange your purchase if it doesn’t meet your expectations. We ensure secure transactions through advanced encryption and trusted payment platforms, Authorize.net and JP Morgan Chase Bank, protecting your personal and financial information.

As Seen On

Recently Purchased Diamonds

1.20 ct Radiant - H - VS1 - Excellent cut

$4,525

2.62 ct Round - D - VS1 - Excellent cut

$42,651

1.5 ct Oval - F - VS2 - Excellent cut

$9,910

3.01 ct Emerald - E - VS1 - Excellent cut

$50,845

2.01 ct Cushion - G - VS1 - Very Good cut

$15,712

2.5 ct Asscher - E - VS2 - Excellent cut

$23,038

Shop GIA Certified Loose Diamonds

GIA-certified loose diamonds from Icestore offer the ultimate in quality, versatility, and personalization, empowering you to create jewelry that tells your unique story. With 24 years of expertise, innovative AI-driven customization, and a consumer-first approach, Icestore delivers exceptional value and craftsmanship. Explore our curated collection of loose diamonds and let our team help you find the perfect gem. Call us at 800-697-1468 or email service@icestore.com during business hours (10:00 AM–6:00 PM EST, Monday–Friday) to start your journey to a masterpiece that shines as brightly as your vision!

Loose diamonds, the heart of any fine jewelry piece, offer unmatched versatility and brilliance, allowing you to craft a custom creation that reflects your unique style. Unlike pre-set stones, loose diamonds provide the freedom to select the perfect cut, color, clarity, and carat weight to suit your vision, whether for an engagement ring, pendant, or earrings. From the timeless sparkle of round brilliant to the vintage elegance of Asscher or the romantic allure of heart-shaped cuts, loose diamonds are the foundation of personalized luxury. At Icestore, our GIA-certified loose diamonds combine exceptional quality with innovative customization, making your dream jewelry a reality with unparalleled craftsmanship.

Why Choose A Loose Diamond?

Ultimate Customization

Purchasing a loose diamond allows you to tailor every aspect of your jewelry, from selecting the ideal cut to choosing a setting that complements your style. Whether you prefer the fiery brilliance of a round cut, the geometric precision of a princess cut, or the elongated grace of an oval cut, loose diamonds give you the flexibility to design a piece that’s uniquely yours. This bespoke approach ensures your jewelry reflects your personal story and aesthetic.

Superior Quality and Transparency

Loose diamonds are graded individually, offering a clear view of their quality through certifications like those from the Gemological Institute of America (GIA). This transparency enables you to make informed decisions based on the 4Cs—cut, color, clarity, and carat weight—ensuring you select a diamond that meets your standards for beauty and value. Loose diamonds also allow you to inspect the stone’s characteristics up close, guaranteeing confidence in your investment.

Advantages of Buying A GIA-Certified Loose Diamond from Icestore

Unmatched Quality with GIA Certification

Every loose diamond at Icestore is certified by the GIA, the world’s most trusted authority in diamond grading. GIA certification provides a detailed report on the 4Cs, ensuring accuracy and reliability in assessing cut, color, clarity, and carat weight. For example, we recommend clarity grades of VS2 or higher for eye-clean stones and color grades of H or better for vibrant brilliance across cuts like round brilliant, princess, or Asscher. This certification guarantees that your Icestore diamond meets the highest standards of quality and authenticity.

Exceptional Value Through Direct-to-Consumer Model

Icestore’s in-house design and production process eliminates intermediaries, delivering GIA-certified loose diamonds at up to 70% less than traditional retailers and 50% less than major online competitors. This direct-to-consumer model allows you to invest in a higher-quality diamond or larger carat weight without sacrificing craftsmanship, making premium jewelry accessible for every budget.

Innovative Customization with AI Technology

Icestore redefines personalization by leveraging generative AI to create photorealistic renderings of your loose diamond in your chosen setting within moments. This technology streamlines the design process, allowing you to visualize your custom engagement ring, necklace, or earrings before purchase. Combined with private consultations from our expert jewelers, available online or by appointment, Icestore ensures your vision is brought to life with precision and ease.

Consumer-First Transparency and Convenience

Icestore prioritizes your experience with a transparent, user-friendly shopping process. Each loose diamond comes with a GIA certificate and 360° high-resolution imaging, enabling you to examine every facet in detail. Our website offers comprehensive educational resources to guide your selection, while our price-match guarantee, free domestic shipping, and 30-day return policy provide a risk-free experience. Contact our team at 800-697-1468 (toll-free), 310-550-0307 (US), or service@icestore.com from 10:00 AM to 6:00 PM EST, Monday through Friday, for personalized assistance.

Durability and Versatility

Loose diamonds allow you to choose a cut that balances beauty and durability, such as the round brilliant for maximum sparkle or the Asscher for vintage appeal with beveled corners to reduce chipping risks. Icestore’s expert settings, including prong, bezel, or pave options, ensure your diamond is securely showcased, enhancing both its longevity and aesthetic impact across various jewelry types.

Why Icestore Stands Out for Loose Diamonds

More than 20 Years of Expertise

With over two decades of experience, Icestore combines traditional craftsmanship with modern innovation. Our in-house jewelers meticulously select and set each loose diamond to maximize its brilliance, while our use of AI-driven renderings accelerates the customization process, delivering a seamless and personalized experience.

Consumer-Centric Approach

Icestore puts you first with a pressure-free buying process. Our private consultations, available online or by appointment, offer expert guidance to help you choose the perfect loose diamond. We foster a community through active engagement on Instagram and Facebook, sharing customer stories and behind-the-scenes craftsmanship to build trust and connection.

Competitive Advantage

As an independent retailer, Icestore adapts quickly to market trends, offering a curated selection of GIA-certified loose diamonds that cater to modern preferences for quality and customization. Our direct model and innovative technology deliver unmatched value and efficiency, setting us apart from competitors like James Allen or Blue Nile.

Tips for Choosing the Perfect Loose Diamond

Understand the 4Cs: Prioritize cut for brilliance (e.g., Excellent or Very Good for round brilliant), clarity (VS2 or higher for eye-clean stones), color (H or better for white diamonds), and carat weight based on your budget and design.
Match Cut to Style: Choose a cut that suits your aesthetic, such as round for classic sparkle, princess for modern elegance, or heart for romantic symbolism.
Verify GIA Certification: Ensure the diamond’s grading report confirms symmetry, polish, and proportions for optimal light performance.
Use Icestore’s Tools: Leverage our 360° views and AI renderings to visualize your diamond in various settings before committing.
Seek Expert Guidance: Contact Icestore’s team for personalized advice to align your diamond choice with your vision and budget.