方形藍寶石裸石

方形藍寶石裸石

方形的幾種切割

方形藍寶石的長寬比接近1:1。本系列按輪廓歸類，涵蓋公主方形（尖角、明亮式刻面）、八角方形（切角，多為階梯式或混合式刻面）以及方形枕形（圓角）。方正的輪廓適合簡約或裝飾藝術風格的設計。

挑選要點

方形對四角對齊的要求較高，可留意輪廓是否方正、各角是否完整。公主方形的尖角較薄，鑲嵌時一般以V形爪保護。比例較長的款式見長方形藍寶石，階梯式的正方形切割見阿斯切形藍寶石。

加熱、報告與查詢

Crescent Gems自2000年起在斯里蘭卡採購原石，大部分寶石由自家工場切割，詳見關於我們。每顆寶石的頁面均註明是否經過加熱；如報告列有處理項目，我們會按報告原文列出。價位較高的寶石附有美國寶石學院（GIA）報告，頁面會顯示該寶石所附的報告。

如欲查詢個別寶石，或希望我們為該寶石拍攝短片，請電郵至crescentgems@gmail.com，我們以中文回覆。寶石由美國經FedEx或UPS付運，全數投保：訂單金額499美元或以下，每張訂單運費60美元；超過499美元免運費。設14天退款保證（美國以外地區的退貨運費由買家承擔）。

Natural blue sapphire loose stone in a rich royal blue hue

藍色

Close-up of a rare Loose Purple Sapphires gemstone showcasing its royal and mysterious deep violet hue

紫色

Close-up of a vibrant Pink Sapphire gemstones showcasing its brilliance and color variations

粉紅色

Close-up of a deep red Ruby Gemstones symbolizing passion and power, known as the King of Gemstones

紅寶石

Vivid orange sapphire gemstones with deep tangerine hue and brilliant cut, showcasing clarity and strong saturation

橙色

Close-up of a soft pink-orange peach sapphire gemstone showcasing its delicate hues

蜜桃色

Close-up of vibrant yellow sapphire gemstones showcasing their radiant golden hues and brilliant sparkle

黃色

白色

Close-up of a Teal Sapphire gemstones blue and green hues

藍綠色

Faceted Green Sapphire gemstones, showcasing vibrant green hues as an attractive emerald alternative.

綠色

Close-up of a brilliant green Tsavorite garnet gemstones showcasing its vibrant color and rare beauty

沙弗萊石

Natural padparadscha sapphire loose stone in a rare peachy-pink lotus-blossom hue

帕帕拉恰

Close-up of a Natural Chrysoberyl gemstone showcasing its brilliance and durability, symbolizing strength, light, and luxury.

金綠寶石

Close-up of natural cat's eye chrysoberyl gemstone showing sharp chatoyancy phenomenon on honey-yellow cabochon stone

金綠寶石貓眼

Natural Star Sapphires gemstone with glowing asterism star effect in smooth cabochon cut

星光藍寶石

Natural colour-change sapphire loose stone shifting hue between light sources

變色藍寶石

Sapphire pairs showcasing balanced color, size, and shape for elegant jewelry designs

配對寶石

Round Sapphires Ceylon blue sapphire 6mm — calibrated loose stone for engagement rings

圓形寶石

Natural Oval Sapphire — unheated loose stone for engagement rings

橢圓形寶石

rectangular sapphires— unheated elongated loose stone

長方形寶石

Square Sapphires— square loose stone, diamond alternative

方形寶石

1.06 ct Kite-Shaped Blue Sapphire showcasing a unique geometric design and vibrant blue color.

花式切割寶石