Frequently Asked Questions

Yes. Yashita Solitaire offers both natural diamonds and lab-grown diamonds, giving you the flexibility to choose according to your preferences, budget and the meaning behind your purchase.

Yes. Lab-grown diamonds are real diamonds. They have essentially the same chemical composition, crystal structure, hardness and optical properties as natural diamonds.

The primary distinction is their origin. Natural diamonds form within the Earth, while lab-grown diamonds are created in controlled environments using advanced diamond-growing technology.

The principal difference is origin. Natural diamonds are formed within the Earth, while lab-grown diamonds are created using technology designed to reproduce diamond-forming conditions.

Lab-grown diamonds generally allow you to select a larger or higher-grade diamond at a lower price, while natural diamonds are valued for their geological origin and natural rarity.

Explore our Natural vs. Lab-Grown Diamond Guide →

Many of our diamonds are accompanied by independent grading reports from respected gemological laboratories such as GIA — Gemological Institute of America and IGI — International Gemological Institute.

Certification and grading-report information is provided with applicable diamonds and may also be displayed within the individual product details.

Depending on the laboratory and report type, a diamond grading report can include information such as:

• Carat weight
• Color grade
• Clarity grade
• Cut information
• Diamond measurements
• Polish
• Symmetry
• Fluorescence
• Proportions
• Identification and report number

Read our Diamond Certification Guide →

The 4Cs — Cut, Color, Clarity and Carat — provide a standardized way to understand and compare diamonds.

Cut: How effectively a diamond interacts with light and displays brilliance.

Color: The amount of visible color within the diamond.

Clarity: The presence and visibility of internal characteristics and surface features.

Carat: The weight of the diamond.

Explore our Complete Guide to the 4Cs →

Diamond shape is highly personal. Each shape has a different appearance, personality and way of interacting with light.

Popular choices include Round, Oval, Emerald, Radiant, Pear, Cushion, Princess, Marquise, Asscher and Heart shapes.

Round diamonds are renowned for brilliance, while elongated shapes such as oval, radiant, emerald, pear and marquise can offer greater visual finger coverage.

Explore our Diamond Shapes Guide →

Yes. Selecting a beautiful diamond involves more than comparing the grades printed on a certificate.

We can help you consider shape, proportions, measurements, certification, visual appearance, setting compatibility and overall value based on your preferences and budget.

Book a private consultation →

Yes. We can help create a custom engagement ring based on your preferred diamond, setting, metal, proportions, design details and budget.

From understated solitaire designs to hidden halos, three-stone rings and more detailed custom settings, the process can be tailored around the look you want to achieve.

Yes. Depending on the design, you can select a diamond and pair it with an appropriate engagement-ring setting.

We can help determine whether the diamond's shape, dimensions and proportions are suitable for your selected setting.

Popular setting styles include:

• Solitaire
• Hidden Halo
• Halo
• Three-Stone
• Pavé
• Cathedral
• Bezel
• Multi-Stone
• Toi et Moi
• Custom Designs

Explore our Engagement Ring Settings Guide →

Depending on the jewelry design, pieces may be available in white gold, yellow gold, rose gold or platinum. Gold options may also be available in different karat purities depending on the piece.

Many engagement rings can be resized, although resizing depends on the ring's construction, metal, stone placement and design.

Eternity bands and certain intricate settings may have limited resizing options. Contact us with the particular ring and desired size so we can advise you accurately.

Yes. You can schedule an appointment with us to discuss or view available diamonds and jewelry.

Our office is located in New York City's Diamond District:

50 W 47th Street, Suite 1901
New York, NY 10036

We recommend booking in advance so we can prepare the relevant diamonds or jewelry for your consultation.

We recommend scheduling an appointment, particularly when you would like to view specific diamonds, discuss an engagement ring or create a custom jewelry piece.

An appointment allows us to prepare appropriate options in advance and provide more focused assistance.

Yes. We offer loose natural and lab-grown diamonds in a wide variety of shapes, carat weights, colors and clarity grades.

If you are searching for a specific diamond, contact us with your:

• Preferred shape
• Carat range
• Color preference
• Clarity preference
• Natural or lab-grown preference
• Budget

We can then help identify options that fit your requirements.

Yes. The jewelry and diamonds displayed online may represent only part of what is available.

If you do not see exactly what you are looking for, contact us. We may be able to source a suitable diamond or create a custom jewelry piece according to your requirements.

Yes. Shipping is available for eligible orders within our supported delivery areas.

Shipping requirements and delivery conditions may vary by order and destination. Please review our Shipping Policy for current information.

Timing varies depending on whether the piece is in stock, requires resizing, is being customized or is being made specifically for your order.

For custom and special-order jewelry, estimated timing can be discussed before your order is finalized.

Return eligibility depends on the type of jewelry purchased. Customized, altered, engraved, resized and special-order pieces may be subject to different conditions.

Please review our Return & Refund Policy before ordering or contact us regarding a particular piece.

Available payment methods are displayed securely during checkout and may include major credit cards and supported digital payment methods.

Proper care can help preserve the appearance and integrity of fine jewelry for years to come.

• Store jewelry pieces separately when possible.
• Avoid exposure to harsh household chemicals.
• Remove jewelry during strenuous physical activities.
• Clean your diamonds periodically using appropriate methods.
• Have frequently worn jewelry inspected periodically.

Regular inspection is particularly useful for engagement rings, tennis bracelets and other pieces containing multiple diamond settings.

Yes. Diamonds are extremely durable, but the precious metal securing a diamond can experience normal wear over time.

Prongs, clasps and other setting components should be inspected periodically, particularly on jewelry that is worn frequently.