Natural Tanzanite Stone 16.60 Carat (18.24 Ratti) – Certified Original Gemstone

4,980.00

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A genuine Natural Tanzanite Stone 16.60 Carat (18.24 Ratti), with a stunning blue color and oval cut. ISO-certified with a lifetime authenticity guarantee—perfect for statement rings, pendants, or earrings.

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Natural Tanzanite Stone 16.60 Carat (18.24 Ratti) – Detailed Information

GemstoneOriginal Tanzanite
Weight16.60 Carat (18.24 Ratti)
Dimension18 mm * 13 mm * 9 mm
ColorBlue
CutOval Cut
Hardness6 – 6.5 (Ref. Mohs Scale)
Refractive Index1.69 – 1.70
ConclusionNatural Tanzanite

Features & Benefits

This Natural Tanzanite Stone 16.60 Carat (18.24 Ratti) is a stunning blue gemstone with a classic oval cut. With a Mohs hardness of 6 – 6.5, it combines durability with excellent brilliance, making it perfect for statement jewelry pieces such as large rings, pendants, or high-end earrings.

Why You’ll Love It

  • Certified Authentic: Comes with an ISO-certified lab report and lifetime authenticity guarantee.
  • Vibrant Blue Color: The deep blue hue is perfect for adding a bold touch to your jewelry collection.
  • Perfect for Statement Jewelry: The large size and classic oval shape make it ideal for creating one-of-a-kind pieces.

Policies & Care

Returns Policy7-day easy return if you’re not satisfied.
Lifetime Authenticity GuaranteeWe stand by your Tanzanite’s authenticity guaranteed for life.
Care InstructionsWipe with a soft, damp cloth; avoid chemicals and extreme heat.

Learn More & Buying Guides

Weight16.60 carat
Dimensions18 × 13 × 9 mm

What Our Customers Say

4.8 Based on 55 reviews
Reviews on Google
Himanshu Agrawal

I had a very smooth experience purchasing from Ratna Gems. The assistance during the purchase was excellent, all my queries were answered patiently, and the order was dispatched immediately without any delay. Overall, a professional and reliable experience. Would definitely recommend them.

Danish Zzaro

I am extremely surprised with gemstone quality and price highly recommended Thank you Ratna Gems

Santosh

Good quality, authentic product with lab certification, customer support services is very good. Delivery on perfect time frame.

Suvarna one Gram Jwellers

OPAL Best quality I like it 👌 Fast delivery 🚚 Thanks RATNA GEMS

RIZWANA JAMSHIR

Superb .I got the bracelet today .I got more than what I expected.All should buy from Ratna gem which is original one.Thank u so much

Why Shop from Ratna Gems?

Experience the confidence of purchasing authentic, certified gemstones.

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7-Day Return Policy

Return within 7 days of delivery. Refund processed within 3 business days. Customer pays return shipping.

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Lifetime Authenticity

Lab-tested gemstones with ISO-certified reports and a lifetime authenticity guarantee.

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Transparent Pricing

No hidden fees. Competitive rates for premium, certified natural gemstones.

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Fast Delivery

Delivery within 6–9 days across India. Free shipping with secure packaging and tracking.

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