What colors does sapphire come in?

Sapphire is corundum in any color except red (which is classified as ruby). Trace elements produce blue, yellow, pink, purple, green, teal, orange, peach, colorless white, and the rare pink-orange padparadscha. Some sapphires also display asterism (a star effect) or color-change behavior between light sources.

Is sapphire a good diamond alternative?

Yes. Sapphire is Mohs 9, the second-hardest natural gemstone after diamond, making it fully suitable for daily-wear engagement rings. White sapphire is a popular colorless diamond alternative, while colored sapphires offer a distinctive, non-traditional option at a fraction of comparable diamond pricing.

What is the difference between heated and unheated sapphire?

Roughly 90-95% of sapphire on the market is heat-treated to improve color and clarity. Unheated sapphire has not been thermally treated and displays its natural color as mined - it is rarer, more collectible, and typically commands a higher price than a heated stone of comparable size and appearance.

What makes this natural gemstone a unique natural gemstone suitable for special jewelry?

This natural gemstone is a unique natural gemstone with a captivating blend of purple and gray tones, making it perfect for one-of-a-kind jewelry pieces. Its excellent clarity and rich color variation enhance its beauty and appeal for collectors and jewelry enthusiasts.

What makes the 1.64 Ct Violet Gray Sapphire a unique choice for jewelry enthusiasts?

The 1.64 Ct Violet Gray Sapphire stands out due to its rare blend of violet and gray tones with a captivating color-shifting effect, making each piece truly distinctive and sophisticated. Its natural characteristics and luxurious appearance make it a top choice for collectors and jewelry lovers seeking individuality.

How should I care for and clean a 1.64 Ct Violet Gray Sapphire to maintain its brilliance?

To keep your 1.64 Ct Violet Gray Sapphire sparkling, clean it gently with warm soapy water and a soft brush, avoiding harsh chemicals. Regular cleaning and professional check-ups help preserve its brilliance and natural beauty.

Is the 1.64 Ct Violet Gray Sapphire suitable for all types of jewelry designs?

Yes, the versatile beauty of the 1.64 Ct Violet Gray Sapphire makes it ideal for a wide range of jewelry designs, including rings, pendants, and earrings, thanks to its durable and elegant natural gemstone quality.

How does the color-shifting effect of the 1.64 Ct Violet Gray Sapphire enhance its appeal?

The color-shifting effect of the 1.64 Ct Violet Gray Sapphire adds depth and dynamic appeal, as the gemstone's appearance subtly changes under different lighting conditions, making each jewelry piece unique and eye-catching.

1.64 Ct Lavender Sapphire gemstone with violet-gray color for jewelry

1.64 ct Lavender Violet-Gray Sapphire — Unheated

1.64 Ct Lavender Sapphire gemstone with violet-gray color and brilliant cut for jewelry

1.64 Ct Lavender Sapphire gemstone with violet-gray color and brilliance

1.64 Ct Lavender Sapphire natural gemstone with violet-gray color and color-shifting effect for jewelry

1.64 Ct Violet Sapphire gemstone with violet-gray color and brilliance

This video is of the actual gemstone, we do not use 'stock' photos. The item is filmed under high magnification. Inclusions are far less visible to the naked eye than in the video.

CG8418

1.64 ct Natural Unheated Violet-Gray Sapphire

$1,312.00 USD

Per Carat: $800.00

Buying a loose gemstone gives you independence, you get the freedom to make your own choice, your own jewelry design.

Stone Style	Faceted
Stone Type	Sapphire
Weight (Ct.)	1.64
Enhancement	No Enhancement
Origin	Sri Lanka (Ceylon)
Clarity	Very Very Slightly Included
Color	Purple
Color Description	Violetish Gray
Color Intensity	Light
Stone Shape	Square Cushion
Dimensions (mm)	6.56 x 6.48 x 4.40
Cut	Step Cut
Lab Report	AGCL - Gem Lab

A natural 1.64 ct Lavender Sapphire, completely unheated, displaying the distinctive dual-tone quality that defines this rare color category. In this Lavender Sapphire, violet and gray combine to produce a hue that reads differently under daylight versus incandescent light — a subtle shifting character that sets it apart from single-tone purple sapphires. Natural corundum at Mohs 9, this Lavender Sapphire is fully suited for daily-wear jewelry.

Why Choose this 1.64 ct Lavender Sapphire?

Lavender sapphire occupies a genuinely uncommon color position — softer and more nuanced than standard violet or purple, with a gray undertone that gives it a sophisticated, muted elegance. At 1.64 carats unheated, this Lavender Sapphire is large enough to serve as a genuine center stone while retaining the subtle, light-variable character that makes lavender material so distinctive among collectors.

Key Benefits of this Natural Lavender Sapphire

Completely Unheated
No thermal treatment — the natural violet-gray dual tone of this Lavender Sapphire is exactly as formed.
Light-Variable Dual Tone
Shifts subtly between violet and gray depending on the light source — a quietly dynamic character.
Uncommon Sophisticated Color
Lavender is rarer and more muted than standard purple or violet sapphire.
Center-Stone Weight
At 1.64 carats, this Lavender Sapphire is substantial enough to anchor a ring or pendant.
Durable for Daily Wear
Corundum at Mohs 9, second only to diamond.

Features

Carat Weight: 1.64 Carats
Gem Type: Natural Violet-Gray Sapphire
Treatment: None — unheated and untreated
Color: Violet-gray (lavender) with subtle tone shift
Clarity: Eye-clean
Certification: Independent lab report
Hardness: 9 on the Mohs scale

This Lavender Sapphire has been hand-selected for the balance and subtlety of its dual-tone color — the quality that separates genuine lavender material from a simple pale purple.

Why Customers Love This Gemstone

Unheated Dual Tone: Natural violet-gray balance in this Lavender Sapphire — heat tends to simplify this character into a single hue.
Sophisticated, Muted Elegance: A quieter, more nuanced alternative to bold purple sapphire.
Center-Stone Ready: Sized to anchor an engagement ring or statement pendant.
Trusted Source: Treatment disclosed honestly, selected for its dual-tone character.

Owning this 1.64 ct Lavender Sapphire means choosing a color with genuine nuance — natural, unheated, and quietly distinctive.

Perfect Uses for this Lavender Sapphire

Engagement ring center stone
Statement pendant
Custom jewelry for a sophisticated, muted palette
Collectors of unheated lavender and dual-tone sapphires
Distinctive anniversary or milestone gift

Free shipping within United States

This loose stone is available to ship now

Try before you buy $0

Thank you for submitting your Jewelry Request.

We will forward your request to the relevent jewelry company and they will respond promptly.

Please fill out the form below to submit your jewelry request. The jewelery department will get back to you promptly. ( NEED HELP ? , Read our Document "How to Commission a Custom Sapphire Ring" )

Enter your name *

Email *

Please Subscribe me to your e-mailing List.

Phone *

Address *

Customer Requirement Description *

Designs that are in your mind.

Drag and drop files here or click to browse

Our works of art

Turn your purchase into a true work of art. Contact our jewelry department to discuss your vision, and let us craft a bespoke piece designed just for you.

Our works of art

Turn your purchase into a true work of art. Contact our jewelry department to discuss your vision, and let us craft a bespoke piece designed just for you.

The Journey of a Gemstone

Explore the complete journey of a gemstone—from its birth beneath the Earth's surface, through ethical mining and precision faceting, to the moment it becomes a timeless piece ready to be admired and cherished.

Choosing a gemstone for an engagement ring or important piece of jewellery is a deeply personal decision. It is often a meaningful purchase made only a few times in a lifetime, so trust, accurate information and expert guidance matter. Crescent Gems combines more than 25 years of gemstone experience with direct sourcing, careful cutting and transparent treatment disclosure to help you choose with confidence

Natural, earth-mined gemstones only

Direct sourcing from leading mining regions

No synthetic, flux-filled or beryllium-diffused stones

In-house cutting and recutting

FREE Shipping within USA and Low rates for international orders.

Actual photographs, hand videos and 360-degree views

14-day returns

Free US return shipping

GIA reports for significant gemstones

Try Before You Buy

Join our ever growing group of satisfied customers from around the world.