20th Century Loose Gemstones

Introducing a Magnificent GIA Certified No Heat Ceylon Cabochon Sapphire Dazzle and amaze with this exquisite GIA Certified #5231058390 No Heat Ceylon Cabochon Sapphire, a true gem o...

AGL certificate Natural Pink Sapphire weighing 2.92 carats Purplish Pink Color Oval Shaped, mix cut Heated Color Stability Excellent Measuring 8.63x7.11x5.10 mm Natural corundum pi...

A refined and highly collectible pair of natural green jadeite carvings, offered loose and unset, showcasing the purity and integrity prized in fine jade. These stones are certified ...

G I A G EMO L O G IC A L R E P O R T EMERALD REPORT GIA REPORT 522173152 Shape Oval Carved Double Cabochon Transparency Translucent Color Green Species Natural Beryl TREATMENT Clarity Enhanced (F2) One loose stone Weight: 53.64 carats Measurements: 26.97 x 19.90 x 12.90 mm An oval carved double-sided cabochon emerald weighing 53.64 carats, certified by GIA (Gemological Institute of America), can be considered rare and valuable Comments: Due to their growth conditions in nature and recovery methods, most emeralds contain surface reaching features. For this reason, clarity enhancement is a common trade practice Larger emeralds are generally rarer and more valuable, assuming all other quality factors are favorable GIA is the most established certification company in the world. They have been around since 1931 and are the foremost authority on diamonds, gems and pearls. They are a non-profit organization that sets the standards for jewels and identification world-wide. Gemstones are rare natural resources of nature. Each gemstone is unique. One can compare the market for gemstones well with the art market Untreated gemstones are best suited for investment. In the case of sapphire and ruby, this implies that they are not heated, as 98...

Exceptional 42.82 Carat Old European Diamond Layout – GIA Certified An extraordinary collection of 19 Old European cut diamonds, totaling an impressive 42.82 carats. This meticulous...

This 3.59 carat Cushion Antique shaped GIA Certified Pinkish Purple Sapphire was selected by our experts for its Rare luster.

This Antique Old European Round Brilliant cut Diamond weights 3.78 carats with a K color (Beautiful white face up) and VS1 Clarity (Loupe Clean). The high quality of its cut let the ...

Antique Chinese Jade Snuff Bottle. This unique piece features intricate carvings on a smooth, natural brown jade surface. The stone is polished to a soft sheen, highlighting its orga...

Natural Antique Cushion-Cut Diamond – 2.47ct A 2.47-carat natural diamond in an antique round cushion cut. Color: K, Clarity: VVS2, with medium fluorescence. A visible fracture filli...

Rarity is an essential factor in determining the value of gemstones. Natural citrines are rarer than amethysts or smoky quartz because they occur less frequently in nature. The abse...

A beautiful and fine-quality oval-shaped mixed-cut Brazilian Alexandrite with 90%-100% (Prominent) Color-Change and Excellent Quality of Color-Change from Blue-Green to Purple-Pink c...

An extraordinary rarity, this matching pair of rubies weighs 3.02 and 3.01 carats respectively, both certified by GRS as possessing the coveted “Pigeon’s Blood” color. This designati...

This exquisite ornament features natural orange-red coral, intricately hand-carved into the shape of a blooming rose—an enduring symbol of beauty and love. It measures approximately ...

A large natural citrine gemstone with curved Arabic script on both sides. The gemstone features a faceted surface that enhances its brilliance, and it is elegantly displayed in a bla...

GIA Certified .67ct Round Transition Cut Diamond. H Color SI1 Clarity Good Cut. Loose Stone.

Radiating antique elegance with exceptional clarity, this 7.15-carat Old European–cut diamond is a remarkable example of early 20th-century craftsmanship. Graded Q–R in color and VVS...

A diamond of remarkable presence and antique charm, this 8.06-carat Old European Cut diamond showcases the enduring beauty of vintage craftsmanship. Graded Q-R in color and VS1 in cl...

Hakimoto By Jewel Of Ocean Round South Sea Pearl 17.7 mm Special 7.7 Grams Scecial Color South Sea Pearl Approximate

Discover an extraordinary symbol of eternal love with this magnificent GIA-Certified 3.50 Carat Heart Brilliant Cut Diamond; its substantial size and meticulous cut maximize brillian...

An extraordinary 2.01 carat natural Fancy Vivid Yellow diamond of exceptional presence and rarity, offered as a loose stone and accompanied by a GIA certificate confirming its highly...

This extraordinary 17.53-carat grey spinel represents the pinnacle of gemstone rarity, combining exceptional size, sophisticated color, prestigious origin, and masterful cutting in a...

1.08 carat old-mine cut diamond. GIA graded E color, VS1 clarity. GIA grading report number is 1236538153. Comes with a full certificate.

The natural translucent green and brown color of Jadeite is carved as snuff bottle, surmounted by numerous near colorless round brilliant diamonds. The piece is completed with a natu...

Showcasing exceptional artistry and natural beauty, this Colombian crystallized emerald is masterfully carved into an elegant leaf motif, weighing an impressive 22.73 carats and meas...

Elevate your collection with this remarkable 90 carat Colombian emerald, a gemstone that radiates sophistication and luxury. Known as the world’s premier source of emeralds, Colombia...

Prepare to embark on a captivating journey through the ages with this stunning natural jadeite pendant, imbued with the ancient essence of the legendary dragon. Sourced directly fro...

Loose 3.02 Carat Princess Cut Diamond GIA Graded (Report #10155902) As I Color and VS2 Clarity.

Loose Natural Aquamarine – 10.01 Carats (Emerald Cut, EGL Certified, Heated) An exceptional natural aquamarine gemstone, presented as a loose stone and expertly fashioned in a sophi...

Loose Bicolor Tourmaline Weight: 27.35 Carats Dimension: 24X12X10.7 Mm Origin: Kunar Afghanistan Shape: Emerald Color: Green & Peach Yello...

Natural Diamond Report Carat: 1.87 carats Clarity: P2 Color: L Cut: Fair Symmetry: Fair Proportion: Fair Polish: Good Fluorescence: Strong Girdle: Rubbed Culet: Pointed Ad...

This elegant sapphire showcases a refined oval step cut weighing 1.82 carats, displaying a rich blue hue enhanced through heat treatment. The step cut emphasizes clarity and color, c...

Antique Shell Cameo depicting an Angel with a Young Child, finely carved with delicate detail and emotional depth. This loose cameo represents a mourning o...

**GIA Certified 8.19ct Cushion Brilliant Diamond** Discover timeless elegance with this exquisite 8.19-carat Cushion Brilliant diamond. Certified by the Gemological Institute of Ame...

10.34ct Antique Cushion Diamond – A Timeless Masterpiece Indulge in the brilliance of history with this breathtaking **10.34-carat Antique Cushion-Cut Diamond**. Showcasing a classi...

Shape/Cut: Cushion Clarity: I1 Color: L Dimensions (mm): 5.84 x 5.62 x 3.88 Weight: 1.12ct GIA Report Number: 2193793328 Please check out the enlarged pictures. Thank you for...

A refined collection of five natural emeralds, offered as loose gemstones in a variety of elegant shapes and sizes. This versatile parcel totals 2.78 carats, making it ideal for besp...

This exquisite 1.95-carat antique emerald-cut diamond is a rare treasure of extraordinary depth and allure. Certified by the GIA as Fancy Deep Brown-Orange with SI1 clarity, it radia...

.70 carat round brilliant cut diamond. GIA graded J color and Si clarity, good cut. GIA grading report 5231672294. Comes with a full GIA grading certificate.

Shape/Cut: Cushion Color: Orangy Pink Treatment: Heating Dimensions (mm): 6.76 x 5.73 x 4.13 Weight: 1.51ct GIA Report Number: 2195828370 Please check out the enlarged pictur...

diamond, a Brilliant cut gem with a weight of 1.06 carats. extraordinary qualities that define its exquisite beauty: Diamond Details: Shape: Brilliant Weight: 1.06 carats Clarity Grade: Internally Flawless...

Round brilliant cut, 1.19 carat. GIA graded J color, Vs1 clarity, good symmetry. 57% table size is very good for brilliance. Faces up very attractive and brilliant. GIA lab gradin...

Loose round brilliant cut diamond, .42 carats. GIA grade G color, VS1 clarity, good cut. Measures 4.72-4.80 x 2.94mm. Grading report number is 2225723471. Comes with a full gradi...

ITEM DESCRIPTION ID #:NYC57483 Stone Shape:Round Brilliance Diamond Weight:1.45 carat Clarity:I1 Color:H Cut: Round Measurements: 6.91 x 6.93 x 4.49 mm Appraisal Value:$2698.00 Our...

TO U.S.A BUYERS: DON’T SWEAT ABOUT 15% TRUMP’S TARIFF - WE COVER IT BY GIVING YOU 15% DISCOUNT! This Australian Loose Solid Opal is of impressive 5.00ct (17mm x 11mm) from Lightn...

Elevate your jewelry collection with the mesmerizing 5 ct Amethyst Fantasy Cut gemstone. Radiant in its shape and size at 12x10 mm, this amethyst is a true masterpiece. Its fantasy c...

Masterfully carved 131.00ct blooming rose coral. Natural, undyed orangy pink high luster color. It measures 47.66 x 31.34 x 25.92 mm. Unlike may gems, Coral is organic and slow growi...

Loose round brilliant diamond. Weighs 1.02 carats, L color, VS2 clarity. The diamond measures 6.2mm by 4.15mm. Faces up brilliantly.

0.86 carat round brilliant cut diamond. GIA certified, G color, Si1 clarity, Cut good, no fluorescence. The GIA grading report number is 2225382718. Faces up brilliantly. Very att...

0.73 carat round brilliant cut diamond. GIA grading report number 2201653724. The color grade is I, and the clarity is Si2. The diamond faces up very brilliantly, 56% table facet. V...

Fine 1.51ct Vivid Purple Pink Rhodolite Garnet Oval Cut Loose Gem 7.6x6.2mm VVS Fine Loose Rhodolite Garnet Gemstone. 1.51 Carat with a beautiful vivid purple pink colour and excell...

A rare, investment quality GIA star ruby weighing 4.84 carats, no indication of heating GIA REPORT 6224671008 Natural star rubies are relatively rare and...

Loose 1.01 carat round brilliant cut diamond. GIA graded G color, Si2 clarity, Very Good cut grade. Measures 6.55-6.63 x 3.90mm The GIA grading report number is 5221756497. Faces up ...

ITEM DESCRIPTION ID #:NYC57484 Stone Shape:Round Brilliance Diamond Weight:1.32 carat Clarity:SI3 Color:K Cut: Round  Measurements: 6.86 x 6.86 x 4.38 mm Appraisal Value:$2965.00 Ou...

GRA Certified 2.06ct Green Blue Sapphire Loose Cushion Cut Gem 9.3x6.4mm GRA Certified Deep Green Blue Sapphire Gemstone. 2.06 Carat sapphire with...

Loose .94 carat round brilliant cut No grading certificate. Grading is done by a GIA graduate gemologist. The color is H to i color, Si to i1 clarity. There is a small feather under an outer crown facet...

Unique 0.71ct Natural Green Blue Sapphire Cushion Rare Loose Gem 6.4x5mm VS Unique Natural Green Blue Cushion Cut Australian Sapphire Gemstone. 0.71 Carat with a beautiful unique vi...

Loose .81 carat round brilliant cut diamond. GIA graded J color, Vs2 clarity, good cut. Very brilliant stone. Grading Report number is 6224722894.

GIA Certified .96ct RBC G Color/VS1 Clarity, VG Cut Diamond. 0.96 carat round brilliant cut diamond. GIA grade G color, Vs1 clarity, very good cut grade. GIA grading report number is...

This loose natural round brilliant diamond has a carat weight of 0.69. I2 clarity, and an H color. It measures 5.59 - 5.56 x 3.40 mm Has a very good symmetry polish, with no fluoresc...

Attractive oval brilliant cut diamond, 1.18 carats. GIA graded G color, VS2 clarity. GIA report number 2231308153. Comes with a full grading report.