3.68ct Pair Pear Blue Sapphire from Thailand Unheated
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Sapphire is corundum at its most sovereign — a mineral so dense with geological story that its color carries the memory of its birthplace.
This matched pair — 3.68 cts (1.79ct and 1.89ct) Sapphire of slightly purplish Blue moderately strong hue — represents the rarest of gemological acquisitions: two stones of identical character, cut in harmony, from Thailand. It is entirely unheated and untreated — a distinction that places it in the top fraction of the global Sapphire supply and is the single most important value driver in the collector market. Thailand's Chanthaburi province has been one of the world's great gem-trading and cutting centers for centuries.
- Species: Natural Sapphire
- Number of Stones: 2
- Weight: 3.68 cts (1.79ct and 1.89ct)
- Dimensions: 9.01 x 6.91 x 4.02 mm and 9.10 x 6.97 x 4.36 mm
- Shape & Cut: Pear, Brilliant Cut Crown / Step Cut Pavilion
- Color & Saturation: slightly purplish Blue / Very Dark / Moderately Strong
- Clarity & Transparency: Eye Clean
- Treatment: None / Unheated & Untreated
- Origin: Thailand
- Archive Reference: S1063
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Commission a Bespoke Heirloom
Built around this gemstone. Explore our Gem First Design process.
Our Commitment
30-Day Private Inspection
Your piece arrives insured and fully authenticated. Live with it for 30 days. If it does not meet your exact expectations, we arrange a seamless full-value return — no questions, no restocking fees.
Fully Insured Worldwide Delivery
Every shipment is fully insured at declared value, packed in tamper-evident security packaging, and tracked door-to-door. US clients receive duty-free delivery with all customs documentation handled by our team.
GIA-Verified Authentication
Every piece is personally authenticated by David Saad, our third-generation GIA-alumni gemologist, before it leaves our care. Certified stones ship with their original laboratory documentation — GIA, AGL, Gübelin, or SSEF.
Lifetime Relationship
Our relationship extends well beyond the transaction. We offer complimentary cleaning and inspection appointments, trade-up considerations on future acquisitions, and direct access to David for gemological questions — for the life of your piece.
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30-Day Private Inspection
Acquiring fine gemstones requires absolute confidence. We invite you to view your piece in your own home for 30 days. If it does not perfectly align with your vision, we will arrange a seamless, full-value return.
A Legacy of Trust
Our reputation is our most valuable asset. We invite you to read our independent Google Reviews to hear directly from the collectors, couples, and families who have commissioned their heirloom pieces from our bench.