方形蓝宝石裸石

方形蓝宝石裸石

方形的几种切工

方形蓝宝石的长宽比接近1:1。本系列按轮廓归类，涵盖公主方形（尖角、明亮式刻面）、八角方形（切角，多为阶梯式或混合式刻面）以及方形垫形（圆角）。方正的轮廓适合简约或装饰艺术风格的设计。

挑选要点

方形对四角对齐的要求较高，可留意轮廓是否方正、各角是否完整。公主方形的尖角较薄，镶嵌时通常以V形爪保护。比例更长的款式见长方形蓝宝石，阶梯式的正方形切工见阿斯切形蓝宝石。

加热、报告与查询

Crescent Gems自2000年起在斯里兰卡采购原石，多数宝石由自家工坊切磨，详见关于我们。每颗宝石的页面都会注明是否经过加热；如报告列有处理项目，我们会照报告原文列出。较高价位的宝石附有美国宝石研究院（GIA）报告，页面会显示该宝石所附的报告。

如需查询某颗宝石，或希望我们为它拍摄一段视频，请发电子邮件至crescentgems@gmail.com，我们以中文回复。宝石从美国经FedEx或UPS全额保险寄出：订单金额499美元及以下每单运费60美元，超过499美元免运费；享14天退款保证（美国境外退货运费由买家承担）。

Natural blue sapphire loose stone in a rich royal blue hue

蓝色

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

粉色

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

红宝石

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

黄色

白色

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

蓝绿色

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

绿色

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

绿色钙铝榴石（沙弗莱）

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.

金绿宝石

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

金绿宝石猫眼

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

星光蓝宝石

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

变色蓝宝石

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

配对宝石

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

圆形宝石

Natural Oval Sapphire — unheated loose stone for engagement rings

椭圆形宝石

rectangular sapphires— unheated elongated loose stone

长方形宝石

Square Sapphires— square loose stone, diamond alternative

方形宝石

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

异形切工宝石