Bicolor Ametrine 16.21 Ct – Purple & Gold Modified Cut
This striking 16.21 carat natural ametrine displays distinct purple amethyst and warm golden citrine color zoning. The contrast between the two colors is beautifully showcased by its distinctive modified rectangular cut, creating a bold geometric appearance with flashes of purple and gold.
The gemstone offers excellent visual presence and attractive transparency, with a unique faceting pattern that emphasizes its natural bicolor character. Some facets show light surface frosting, which is visible under close inspection but does not take away from the stone's overall beauty and distinctive appearance.
Gemstone Details:
- Gemstone: Ametrine
- Species: Quartz
- Weight: 16.21 Carats
- Shape: Modified Rectangular Cut
- Dimensions: 12.9 x 18.0 x 10.8 mm
- Color: Purple and Golden Yellow
- Clarity: Eye Clean – minor natural characteristics
- Condition: Some light frosting visible on select facets
- Origin: Unknown
- Treatment: None Detected
Create a One-of-a-Kind Piece… This bicolor ametrine is an excellent choice for a custom statement pendant, ring, or other unique jewelry design. Contact us to get started with a custom jewelry design.
Full Gemological Specifications
Complete, fully disclosed information — exactly as graded and identified by our GIA Graduate Gemologist.
Real experiences from our customers
My sisters and I love how special it is to have necklaces that match our mom's birthstones. We worked with Jeremiah to create custom pieces for all three of us. They came out beautiful and are so meaningful to us.
I received a lovely compliment on my necklace at card club yesterday and was so pleased to share that I had it custom-made through French Cut Gems. The whole experience was wonderful.
I bought a birthstone pendant for my wife and couldn't be happier. The stone was exactly as described and the quality exceeded my expectations. Will definitely shop here again.
Frequently Asked Questions
Everything you need to know before you buy. More questions? Contact us.
Yes. All gemstones are natural unless clearly stated otherwise. Any known treatments are fully disclosed in each listing.
Every gemstone is personally sourced and evaluated by a GIA Graduate Gemologist to ensure quality, accuracy, and honest representation.
Yes. All photos and videos show the actual gemstone you will receive. We strive to represent each stone accurately using neutral lighting, though slight color differences may occur due to screen settings.
Orders are processed within 1–3 business days after payment is received. Custom requests or special packaging may require additional time. We ship via USPS, UPS, or FedEx — all orders include tracking and insurance.
Free U.S. shipping is available on orders over $200 USD. Orders over $500 USD may require signature confirmation to ensure safe delivery.
Returns are accepted within the timeframe outlined in our Return Policy, provided the gemstone is returned in its original condition.
Yes. International shipping is available. Buyers are responsible for any customs duties or import taxes, and delivery times may vary due to customs processing.
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