Products

A stunning 6.08 carat pair of fancy yellow radiant diamonds, graded VVS1 by GIA. These exceptional stones showcase brilliant yellow hues with outstanding clarity and precision cutting. Perfect for custom jewelry designs, investment collections, or creating truly unique pieces. Each diamond is GIA certified and ready for your vision.

Discover the captivating allure of this exceptional 6.08-carat pink sapphire, sourced from the renowned mines of Madagascar. Expertly cut in a classic cushion shape, this gemstone showcases stunning natural color with no heat treatment—verified by AGL certification.

This matched pair of round sapphires originates from Sri Lanka and totals 6.09 carats. One stone carries certification from CD, ensuring authenticity and quality verification. Ideal for creating coordinated jewelry pieces or as investment-grade gemstones, these blues showcase the classic characteristics prized by collectors and designers alike.

Discover the striking allure of this 6.10 carat natural black emerald-cut diamond, certified by GIA. Its deep, captivating hue and precise cut create a bold, sophisticated statement, perfect for those seeking unique elegance. Elevate your collection with this rare treasure that blends timeless style with modern edge.

A magnificent 6.10 carat Mozambique ruby with vivid red coloring and oval proportions, authenticated by GRS certification. This exceptional gemstone delivers both striking beauty and investment-grade quality.

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.