Products

A stunning 6.12 carat natural ruby from Mozambique displaying the coveted pigeon blood red hue. This exceptional gemstone showcases vivid saturation and remarkable clarity, certified as unheated by three prestigious labs: AGL, GRS, and SSEF. The emerald cut enhances the stone's rich color and transparency, making it an exceptional choice for fine jewelry or serious collectors seeking authentic, untreated gemstone quality. GRS awards this gemstone with a Platinum status.

A stunning pair of certified Sri Lankan blue heart sapphires totaling 6.16 carats. These gems showcase the deep, rich hues characteristic of premium Ceylon sapphires, with excellent color saturation and clarity. Each stone is graded by CD, ensuring authenticity and quality. Perfect for creating a matched pair of earrings or displayed as collector's loose stones. Available for setting in Leibish's signature styles or your custom design. The heart cut adds romantic elegance to any jewelry piece. Sri Lankan sapphires are prized for their exceptional color and durability, making them ideal for heirloom-quality jewelry that will be treasured for generations.

This 6.16 carat natural black round diamond, GIA certified, combines bold beauty with trusted quality. Its rich, intense color brings a distinctive elegance, perfect for those who want a unique and timeless gemstone that stands out with confidence.

Discover the exquisite 6.19 carat pink Madagascar cushion sapphire, a rare treasure certified by AGL for its authenticity and quality. This stunning gemstone boasts a captivating soft pink hue and remarkable brilliance, perfect for creating a statement piece that embodies elegance and individuality. Unheated pink sapphires are rare.

A stunning 6.20-carat blue sapphire from Sri Lanka, cut in a classic cushion shape. Certified by CD, this exceptional gemstone showcases the rich, velvety blue hue Sri Lankan sapphires are renowned for, making it an ideal centerpiece for fine jewelry.

This 6.20 carat natural black round diamond, certified by GIA, combines rarity with timeless elegance. Its rich black hue offers a striking alternative to traditional diamonds, backed by trusted certification to ensure quality and authenticity. Perfect for making a bold, meaningful statement.

A striking 6.20 carat natural fancy black round diamond, GIA certified. This rare stone features a brilliant round cut that showcases the deep, lustrous beauty black diamonds are known for. Perfect for bold engagement rings, statement pendants, or luxury collections. An ideal choice for those seeking something truly distinctive and sophisticated.

A stunning matched pair of light yellow pear-shaped diamonds, each certified by GIA. With a combined weight of 6.22 carats and VS2 and VS1 clarity, these diamonds offer excellent eye-clean appearance with minimal inclusions. The elegant pear cut maximizes brilliance while the warm yellow hue adds distinctive character. Perfect for creating a sophisticated two-stone engagement ring, anniversary piece, or custom jewelry design. Each stone has been independently graded and authenticated, ensuring quality and value.

Exceptional 6.25-carat blue sapphire from Sri Lanka, certified by CD. This round-cut gemstone showcases the rich, velvety blue hue characteristic of premium Sri Lankan sapphires. Perfect for fine jewelry collectors and connoisseurs seeking authentic, certified quality.

Discover the captivating allure of this exceptional 6.29-carat blue sapphire from Madagascar. Cut in a sophisticated cushion shape, this gemstone showcases the pure, untreated beauty that collectors and connoisseurs prize. AGL certification confirms its natural origin and heat-free status, guaranteeing authenticity and lasting value. A remarkable investment piece that combines rarity, elegance, and timeless appeal.