Perfectly Calibrated Emeralds, Rubies & Sapphires

Wholesale Calibrated Gemstone Lots

Consistent sizing, perfect cuts, and matched brilliance—ideal for retailers, manufacturers, and large-scale jewelers. Trusted by jewelers and loved by collectors across Dubai, Riyadh, Muscat, and the wider GCC.
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4×2 mm Blue Sapphire Marquise Shape

(USD) Price range: $9.71 through $58.24carats
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5×3 mm Blue Sapphire Oval Shape

(USD) Price range: $11.65 through $58.24carats
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2 mm Blue Sapphire Round Shape

(USD) Price range: $11.65 through $38.82carats
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5×3 mm Blue Sapphire Pears Shape

(USD) Price range: $13.59 through $58.24carats
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5×3 mm Ruby Oval Shape

(USD) Price range: $17.47 through $77.65carats
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3 mm Ruby Round Shape

(USD) Price range: $17.47 through $58.24carats
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3×2 mm Ruby Baguette Shape

(USD) Price range: $19.41 through $58.24carats
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4mm Emerald Round Shape

(USD) Price range: $23.29 through $97.06carats
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6×4 mm Ruby Octagon Shape

(USD) Price range: $23.29 through $58.24carats
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6×4 mm Emerald Oval Shape

(USD) Price range: $31.06 through $135.88carats
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6×4 mm Emerald Octagon Shape

(USD) Price range: $31.06 through $97.06carats
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5×3 mm Blue Sapphire Octagon Shape

(USD) Price range: $31.06 through $69.88carats
Handpicked single gemstones with natural brilliance and unmatched quality—ready for your bespoke creations.

Shop Loose Emeralds, Rubies & Sapphires

Explore vibrant Emeralds, fiery Rubies, and royal Blue Sapphires—individually sourced and polished for your unique creations. Fast, insured delivery across the UAE, Saudi Arabia, Oman, and more.
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2.95 carats Yellow Sapphire Thailand ( 3.25 ratti )

(USD) $27.94

$ 9.47 per carat
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3.86 carats Yellow Sapphire Thailand ( 4.25 ratti )

(USD) $36.55

$ 9.47 per carat
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6 carats Pearl (6.25 ratti)

(USD) $39.33

$ 6.56 per carat
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4.53 carats Pearl (4.25 ratti)

(USD) $41.57

$ 9.18 per carat
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5.31 carats Pearl (5.25 ratti)

(USD) $41.77

$ 7.87 per carat
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4.77 carats Yellow Sapphire Thailand ( 5.25 ratti )

(USD) $45.17

$ 9.47 per carat
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4.78 carats Pearl (5.25 ratti)

(USD) $50.13

$ 10.49 per carat
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4.82 carats Pearl (5.25 ratti)

(USD) $50.55

$ 10.49 per carat
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10.06 carats Pearl (9.25 ratti)

(USD) $52.75

$ 5.24 per carat
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5.68 carats Yellow Sapphire Thailand ( 6.25 ratti )

(USD) $53.79

$ 9.47 per carat
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8.53 carats Pearl (9.25 ratti)

(USD) $55.91

$ 6.56 per carat
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5.45 carats Pearl (6.25 ratti)

(USD) $57.16

$ 10.49 per carat

Supplying Certified Emeralds, Rubies & Sapphires Across the GCC & Worldwide

Koya Gems — Dubai’s Trusted Gemstone Supplier

Koya Gems sources and supplies certified gemstones directly from trusted mines to customers worldwide. Based in Dubai, we specialize in trading premium emeralds, rubies, and sapphires—available as loose stones or wholesale calibrated lots. With transparent pricing, professional service, and secure global shipping, we help jewelers, collectors, and gemstone lovers across Dubai, the GCC, and beyond find the perfect stones for their needs.

At Koya Gems, we make gemstone buying simple, ethical, and transparent. Every stone reflects our commitment to quality and trust.

Aditya Bairathi

Koya Gems and Jewelry LLC-FZ

Choosing Koya Gems for Your Precious Gemstone Needs

Your Trusted Gemstone Supplier in Dubai

We hand‑pick emeralds, rubies, and sapphires straight from ethical mines, then polish and calibrate every stone in our own workshop. Multi‑stage quality checks and independent lab certificates ensure each parcel arrives exactly as described, while live pricing keeps your margins clear. Whether you need a single 1‑carat emerald or wholesale gemstone lots, our dedicated team secure on‑time, insured shipping across the UAE and neighbouring regions.
Sourced directly from Mines icon

Direct Mine Sourcing

We work straight with trusted mines, cutting out middle layers so you get ethically sourced gemstones with full traceability from pit to parcel.

Cutting & Polishing of Gemstones Icon

In‑House Precision Cutting

Every emerald, ruby, and sapphire is faceted and polished in our own Dubai workshop, giving us total control over brilliance, symmetry, and calibrated sizing.

Careful Assortment

Triple‑Stage Quality Checks

Colour, clarity, and size are inspected three times—post‑cut, post‑polish, and pre‑dispatch—so parcels arrive perfectly matched and ready for setting.

Lab‑Certified Purity

Independent gem‑lab certificates accompany both single stones and bulk lots, assuring authenticity, treatment disclosure, and accurate carat weight.

Transparent & Best Prices

Transparent Per‑Carat Pricing

See live rates before you buy. No hidden mark‑ups, no surprise fees—just clear per‑carat prices whether you need one gem or a wholesale lot.

certified gemstones

Fast GCC Delivery & Pro Support

Safe shipping from our Dubai hub reaches the UAE, Saudi Arabia, Oman, Qatar, Bahrain, and Kuwait quickly, backed by dedicated account managers who understand your inventory timelines.

Mines to Market, Directly — Why Buy from Koya Gems

Dubai: A Gateway for Certified Emeralds, Rubies & Sapphires

Thanks to Dubai’s central position between African mines and GCC jewellery hubs, Koya Gems can source rough stones at the pit‑face and dispatch polished parcels to any emirate—or neighbouring country—within days. Below is what sets the experience apart:
1.

In-house Polishing of Gemstones

Our master lapidaries cut and finish every emerald, ruby, and sapphire right here in our workshop. Total control over faceting means flawless brilliance and scratch‑free surfaces the moment you unbox.

2.

Thorough Quality Checks

Each gem passes three inspection stages—post‑cut, post‑polish, and pre‑dispatch. Carat weight, colour consistency, and calibrated dimensions are verified so every parcel arrives matched and ready for setting.

3.

Transparent Pricing

We give utmost importance to quality, so we offer prices that match the quality of the gemstones that our clients buy from us. We are one of the best gemstone shops in Dubai because we don’t charge unreasonably higher prices just to make profits. At our store, you can inspect the quality of the gemstones and make a well-informed decision about purchasing.

4.

Professional Relationship

A dedicated team handles your quotes, WhatsApp updates, and export paperwork, making gemstone procurement effortless whether you’re in Dubai, Riyadh, Muscat, or Doha.

Get instant quotes, live availability & tailored advice.

Need Help Finding the Right Gemstone?

Talk to our experts for instant quotes, stock checks, and personalised advice—call us or message on WhatsApp, whichever is easiest for you.
+971 5889 55887