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Home Gemstones Sapphire
0.40 ct Blue Sapphire Gemstone, Sapphire Gem in Princess-Cut Shape for Sale.
Photos are of Actual Product for Sale
0.40 ct Blue Sapphire Stone, Natural Sapphire in Princess-Cut Shape for Sale Sapphire Gemstone in 4 x 4 mm (calibrated) Size for Sale, Sapphire Stone in Medium Blue Green Color

0.40ct Natural Blue Sapphire, Square, 4x4 mm

9.5 out of 10
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Product ID: 727315
Type: Sapphire
Weight: 0.40 ct 1 gem
Size: 4 x 4 mm calibrated
Size: 4 x 4 mm
Exact Size: 4 x 4 x 2.58 mm
Length x Width x Depth
Shape: Princess-Cut
Color: Medium Blue Green
Clarity: VS
Treatment: Be Heated
Origin: Tanzania
Content: 1 pc

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$
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Product Description

This is a 0.40 carat natural medium blue green Sapphire gem, 1 pc in square shape with an exact size of 4.03 x 3.96 x 2.58 mm. This loose Sapphire gemstone was mined in Tanzania and its clarity is VS (Eye Clean).

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Overall Rating -> 10 star ratings

They have a wonderful selection of gems of all sorts, shapes, cuts, and quality. I am very particular about the quality of stones I buy, and found many with VVS clarity and excellent cut and polish. I am thrilled with each of the stones I purchased, and would definitely recommend GemSelect to everyone.

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I've purchased things from GemSelect before. What you see is what you get, which is not always the case with gem sites online. You can find some good value with gem select, and I will buy from them again.

Posted By Meyeusername in March, 2026
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Overall Rating -> 9 star ratings

The purchasing process is fairly quick and straightforward and for me user friendly so it probably took more or less than 3 minutes to purchase and pay for the items. I wish there was a discount offer for multiple items to encourage us buyers to purchase more an incentive and add more sales in your end. Besides that, it's been a great purchasing experience and will continue to shop as I am a repeat customer and have bought from your store many times before. Thank you.

Posted By Emmanuel in October, 2025
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I purchased 4 gemstones in different sizes to be able to make a family ring for my granddaughter. I got exactly what I saw and they are absolutely beautiful! Shipping was quick compared to other gem stores I have dealt with! I will definitely order more stones from your company, as I am a collector and have several stones. You are my new go to company in the future

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I have a beautiful emerald I purchased from a company names gemselect and they are awesome! You should try them out?

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