5.66 Ct Vivid Red Spinel - Luc Yên - Lotus Gemology Certified
Located in Brisbane City, AU
This fine 5.66 carat natural red spinel from Vietnam’s famed Luc Yên deposit displays the vivid saturation, strong brilliance, and pure red colour that have made Vietnamese spinels a...
Spinel
9.57 Carat Natural Red Spinel from Luc Yên, Vietnam – Lotus Gemology Certified
Located in Brisbane City, AU
This exceptional 9.57 carat natural red spinel originates from the renowned Lục Yên marble-host deposits of northern Vietnam; a locality celebrated among gem collectors for producing...
Spinel
15.45 Ct Vivid Red Spinel - Luc Yên - Lotus Gemology Certified
Located in Brisbane City, AU
This exceptional 15.45 carat natural red spinel from Luc Yên, Vietnam represents a rare convergence of size, colour, and clarity within one of the most sought-after sources for fine ...
Spinel
Unavailable
Oval Spinel from Vietnam No Heat 2.74 TCW
Located in ประเวศ, TH
"This Oval Spinel from Vietnam, weighing 2.74 TCW and completely natural, is a true treasure.
Spinel
8.49 Carat Red Spinel and Diamond Three-Stone Ring
By Schullin Wien
Located in Vienna, Österreich
Tapered baguette diamonds weighing 0.59 carats ( F / VVS) complement the dynamic of this ring’s center-stone, set a steep angle to the 8.49 carat center stone. The vivid red spinel w...
Diamond, Spinel, 18k Gold
$3,920Sale Price|20% Off
W 0.51 in D 0.4 in L 0.61 in
16.29 Ct Rhodolite Garnet - Tanzania - Lotus Certified
Located in Brisbane City, AU
A finely proportioned 16.29 carat rhodolite garnet, presented in an elegant antique cushion cut, displaying a richly saturated purplish-red hue with vivid chromatic intensity. This ...
Garnet, Rhodolite
$600Sale Price|20% Off
W 0.26 in D 0.2 in L 0.38 in
2.45 Carat Loose Deep Red Burmese Spinel Stone Cushion Cut Gemstone
Located in Bangkok, TH
Weight 2.45 carat Dimensions 9.4x6.5x4.9mm Treatment None Origin Burma Clarity VVS Shape Cushion Cut Fancy Cushion NA This 2.45-carat natural Burmese Spinel is a captivating gemsto...
Spinel
$18,304
W 0.34 in D 0.17 in L 0.32 in
GIA Certified 2.08ct Unheated Red Spinel Cushion Cut Gemstone, Myanmar
Located in Brooklyn, NY
This pretty Red spinel Cushion cut , weighs 2.08 carats and would make a beautiful 3-stone ring, though its shape lends itself to a variety of possibilities! It measures 8.60 x 8.03 ...
Spinel
Gubelin Certified 0.893 Carat Burma No Heat Natural Vivid Red Ruby
Located in Kowloon, Hong Kong
This exquisite 0.893 carat Burma no-heat vivid red ruby is a rare and valuable gemstone, distinguished by its exceptional color and provenance. Sourced directly from the renowned min...
Ruby
$236Sale Price|20% Off
W 0.26 in D 0.18 in L 0.28 in
Invest in Fine Quality Red Burmese Spinel 1.55 carats Cushion Cut Natural Gem
Located in Bangkok, TH
Weight 1.55 carats Dimensions 6.95 x 6.50 x 4.40 mm Treatment None Origin Burma Clarity SI (Slightly Included) Shape Cushion Cut Fancy Cushion Elevate your jewelry collection...
Spinel
GIA Certified 2.47ct No Heat Red Spinel, Cushion Cut, Mogok, Burma
Located in Kowloon, Hong Kong
Discover the mesmerizing brilliance of this 2.47 carat vivid red Burma Spinel, a gemstone of exceptional rarity and prestige. Sourced directly from the famed Mogok mines—a region syn...
Spinel
1.48ct Red Spinel Loose Gemstone, Cushion Cut, Custom Jewelry Design
Located in Los Angeles, CA
This lovely red spinel is the color of the finest ruby at a fraction of the price! Spinel is a prized gemstone in its own right, and for good reason. It comes in a rainbow of strikin...
Spinel
$3,662
H 0.18 in W 0.21 in L 0.26 in
Unheated Red Burmese Spinel Gemstone 1.22 carats with GIA Report / JupiterGem
Located in Los Angeles, CA
Explore the world of fine gemstones with 1.22 carats Natural Unheated Burmese Red Spinel, authenticated by GIA. This captivating oval gem, measuring 6.57 x 5.12 x 4.45 mm, showcases...
Spinel
$944Sale Price|20% Off
W 0.26 in D 0.21 in L 0.27 in
Certified 1.82 Carat Natural Loose Red Spinel Cushion Cut Gemstone
Located in Peshawar, PK
Faceted Spinel Weight: 1.82 Carat Dimension: 6.82 x 6.57 x 5.12 Mm Colour: Vivid Red Shape: Cushion Origin: Tanzania Treatment: None Certificate: AIG Certificate Available Spinel ...
Spinel, Other
$168Sale Price|20% Off
W 0.21 in D 0.17 in L 0.25 in
Cushion-Cut 1.17ct Shiny Red Spinel Loose Gemstone from Burma, New
Located in Bangkok, TH
Shiny Red Spinel Stone, available for sale at wholesale price, cushion-cut,1.17 carats, natural high quality, Loose Spinel stone From Burma. Prodcut Information: GEMSTONE TYPE Shiny...
Spinel
GIA Certified 1.27ct No Heat Red Spinel, Mogok Burma, Cushion Cut
Located in Kowloon, Hong Kong
Discover the mesmerizing brilliance of this 1.27 carat vivid red Burma Spinel, a gemstone of exceptional rarity and prestige. Sourced directly from the famed Mogok mines—a region syn...
Spinel
GIA Certified 0.52 Carat Burma No Heat Natural Vivid Red Ruby
Located in Kowloon, Hong Kong
This exquisite 0.52 carat Burma no-heat vivid red ruby is a rare and valuable gemstone, distinguished by its exceptional color and provenance. Sourced directly from the renowned mine...
Ruby
0.67ct Vibrant Red Spinel/Bright Red Spinel /Vivid Red Spinel
Located in Singapore, SG
Kindly note that the stated price for this item is fixed and non-negotiable. We appreciate your understanding and respect for our pricing decision. Features: Main Gemstone - Natura...
Spinel, 18k Gold, White Gold
$1,592Sale Price|20% Off
W 0.41 in D 0.23 in L 0.32 in
Lotus Certified 3.41 Carat Red Spinel from Sri Lanka No Heat
Located in Hua Hin, TH
Lotus Certified 3.41 carat Red Spinel from Sri Lanka Shape: Oval Cutting Style Faceted, Crown Brilliant, Pavilion Fancy Dimensions: 10.40 x 8.10 x 5.69 mm Weight: 3.41 Carat No Heat...
Spinel
$4,124
H 0.17 in W 0.2 in L 0.28 in
Natural Unheated Red Burmese Spinel Gemstone 1.38 carats with GIA Report
Located in Los Angeles, CA
Immerse yourself in the world of natural beauty with 1.38 carats Unheated Burmese Red Spinel, proudly certified by GIA. This octagonal gem, measuring 7.09 x 4.84 x 4.28 mm, dazzles ...
Spinel
$750
H 0.26 in W 0.24 in D 0.2 in
1.49 Carat Natural Loose Certified Brownish Red Spinel Cushion Cut Burma Gem
Located in Bangkok, TH
Weight 1.49 carats Dimensions 6.45x5.86x4.99 mm Treatment None Origin Burma Clarity VVS Shape Cut Cushion AG335 This exquisite 1.49-carat natural certified brownish-red spinel ca...
Spinel
18K White Gold Emerald and Diamond Halfway Tennis Necklace 3.51 Carats Total
Located in Great Neck, NY
This refined halfway emerald and diamond tennis necklace is expertly crafted in solid 18K white gold, offering a timeless silhouette with elevated brilliance. Designed to highlight t...
Diamond, White Diamond, Emerald, Gold, 18k Gold, Yellow Gold, White Gold
$2,720,000Sale Price|20% Off
GIA Certified 20 Carat Type 2A FLAWLESS Clarity D Color Diamond Ring
Located in Chicago, IL
GIA Certified 20 Carat Type 2A Diamond Ring, boasting FLAWLESS clarity and a pristine D color rating. This exceptional diamond stands as a testament to rare beauty, reflecting light...
Diamond, Platinum
$300,000Sale Price|20% Off
GIA Certified 6.5 Carat No Heat Burmese Ruby Diamond Three-Stone Ring
Located in Chicago, IL
A truly exceptional and rare gemstone ring centered by a magnificent natural ruby of extraordinary pedigree, accompanied by a Gemological Institute of America report confirming its m...
Diamond, Ruby, 18k Gold, Yellow Gold, Platinum
Ruby 9.08 Carats and Diamond Ring Design by Ella Gafter
By Ella Gafter
Located in New York, NY
The ring features a splendid faceted oval-cut 9.08 carats Mozambique ruby of brilliant crystalline red color. The ruby is flanked by geometric rows of custom cut baguette diamonds (2...
Diamond, Ruby, 18k Gold, White Gold
$1,650Sale Price|40% Off
W 0.63 in D 0.53 in L 0.71 in
Neon Bluish Green Natural Tourmaline Sugarloaf Cabochon Loose Gemstone 35.60 Ct
Located in Peshawar, PK
Vivid Neon Bluish Green Natural Tourmaline Sugarloaf Cabochon Loose Gemstone from Kunar, Afghanistan!! 💎 GEMSTONE TYPE: Tourmaline ⚖️ WEIGHT: 35.60 Carats 🪚 SHAPE & CUT: Sugarlo...
Tourmaline
5.82 Carat Russian Demantoid Yellow Diamond 18 Karat Gold Cocktail Ring
By Tsarina Jewels
Located in Bangkok, TH
Luxurious 18 Karat Gold Ring featured rare 5.82 ct Russian Demantoid accented with Yellow pear cut Diamonds 1.48 ctw and round Demantoids 1.11 ctw. Demantoid is called a star of gar...
Diamond, Yellow Diamond, Garnet, 18k Gold
$76,000Sale Price|20% Off
GRS Certified 5.05 Carat Unheated Mozambique Ruby and Diamond Platinum Ring
Located in Chicago, IL
This exceptional ring showcases a 5.05-carat natural ruby of Mozambique origin, certified by GRS as untreated — a rarity in the world of fine rubies. The cushion-cut gem, measuring 1...
Diamond, Ruby, Yellow Gold, Platinum
$216,000Sale Price|20% Off
Exceptional 5.09 Carat GRS Certified VIVID RED Unheated Ruby Ring
Located in Chicago, IL
Exquisite 5.09 Carat GRS Certified Natural Ruby Ring At the heart of this masterpiece lies a 5.09 carat natural ruby, certified by GRS with no indication of thermal treatment and or...
Diamond, Ruby, Platinum
$30,125
W 0.31 in D 0.21 in L 0.4 in
Natural Green Tsavorite Garnet Gemstone 4.01 carats with GIA Report / JupiterGem
Located in Los Angeles, CA
Please inquire for more videos/photos. Details Identification: Natural Tsavorite • Carat: 4.01 carats • Shape: Cushion • Measurement: 10.06 x 7.84 x 5.20 mm • Color: Green • Cut: B...
Tsavorite, Garnet
$425,000
W 0.37 in D 0.25 in L 0.5 in
5.34 Carat Brazilian Alexandrite Oval Loose Gem AGL Certified – Merkaba Jewelry
By Merkaba
Located in Beverly Hills, CA
Ultra-Fine Rare Brazilian Alexandrite Gemstone by Merkaba Jewelry Beverly Hills. Merkaba Jewelry Beverly Hills proudly presents an extraordinary treasure: a 5.34 carat Brazilian Ale...
Alexandrite, Chrysoberyl
4.01 Carats Mozambique Ruby
Located in Khet Bang Rak, 10
A 4.01 carat Mozambique ruby — an ideal size for a refined ring or pendant. Rubies are known as the king of gems. This stone comes from the Montepuez mines and was purchased through...
Ruby
$31,200Sale Price|20% Off
IGI Certified Rare 25.49 Carat Burma Ruby & Diamond Ring in 18K White Gold
Located in KOWLOON, HK
Behold the magnificence of this IGI certified 25.49ct Ruby & 3ct Natural Diamonds Ring in 18K White Gold, a true embodiment of luxury and sophistication. This exquisite piece of jewe...
Diamond, Ruby, 18k Gold, White Gold
$100,090Sale Price|72% Off
NWT $357, 465 18KT Gold Rare Large Magnificent Fancy Pink Diamond Necklace
Located in New York, NY
The Following Item we are offering is this Extremely Rare Beautiful 18KT Gold Fine Rare Large Pink Diamond Elaborate Masterpiece of a Necklace. This Magnificent Necklace is comprised...
Diamond, Pink Diamond, Gold, 18k Gold
6.26ct No Heat Burma Red Spinel Diamond Engagement Ring in Platinum GIA
By Emeralds Maravellous
Located in Brunswick, ME
Exquisite Unheated GIA-Certified Natural Burmese Red Spinel and Diamond Three-Stone Engagement Ring in Platinum This magnificent, investment-grade three-stone ring features a specta...
Spinel, Diamond, Platinum
$22,900
W 0.48 in D 0.36 in L 0.65 in
14.24 Carat Reddish Purple Garnet Cushion Cut Loose Gemstone Merkaba Jewelry
By Merkaba
Located in Beverly Hills, CA
Offered loose for the discerning collector, this exceptional 14.24 carat reddish purple Garnet is a bold, elegant gemstone with remarkable presence and rich natural color. The hue bl...
Garnet, 18k Gold, Rose Gold, White Gold, Yellow Gold, Platinum
Colombian Emerald & GIA Diamond Bracelet in 18k White Gold, Gübelin Certified
Located in New York, NY
A museum-worthy creation of exceptional refinement, this high-jewelry bracelet features an extraordinary suite of 11 Colombian emeralds, all Gübelin-certified and gently treated with...
Diamond, Emerald, 18k Gold
Are you shopping for diamonds and other loose gemstones to create your own custom jewelry?
Why might you purchase a diamond or gemstone “loose” — that is, on its own, not mounted in a piece of jewelry? Perhaps you’re a connoisseur looking to acquire a unique investment. The scarcity of high-quality colored diamonds, for instance, especially pink diamonds, means that their value increases over time; the same is true of rare Kashmir sapphires and Burmese rubies. Far rarer than diamonds, Paraiba tourmaline, discovered only in the 1980s, is treasured as much for its extraordinary color as its scarcity, both of which contribute to its high value.
A more common scenario would be that you’re hoping to create a very special piece of custom jewelry, such as an engagement ring or a milestone-birthday present, and want to personally select the most beautiful, unusual, or ultra-rare stone you can find and afford. Doing so adds to the romance and substance of the gift and can be a part of the story told as the jewel is passed from generation to generation.
If this sounds like you, read on for tips on becoming one of the world’s savviest gem hunters.
Educate yourself: When buying any piece of gem-set fine jewelry, you should familiarize yourself with the factors that determine a stone’s price. This will enable you to streamline your search for the perfect gem and have intelligent, productive conversations with sellers.
There is a wealth of information online, such as our diamond-buying guide and this overview of colored gemstones for engagement rings. The buying guides of the Gemological Institute of America (GIA), searchable by stone type, are also a widely trusted source for consumers venturing into the world of diamonds and gems for the first time.
Vet your vendor: If you peruse 1stDibs with any regularity, you know there is no shortage of vendors who deal in top-quality loose gemstones. (Read about our vetted sellers.) Finding a trustworthy, established dealer may be as easy as getting a recommendation from friends or family. And, although it may sound obvious, it pays to Google your candidates — and consult customer reviews — before making contact.
Harakh Mehta, designer and founder of the Mumbai, India–based fine-jewelry brand Harakh, has an innate understanding of proper client relations, especially when the customer is in unfamiliar territory. “Start chatting with the dealer, get to know them better," he says. "It’s very important to establish a comfort level. We never push a sale, as we want it to be a carefully considered purchase. So, if the client is not in a rush, we do it over a few virtual meetings or phone calls.”
Request documentation: The best dealers go to great lengths to furnish clients with documents verifying the quality rating, natural origin and provenance of a stone — showing, for example, that loose emerald hails from the famous Muzo mine in Colombia — and disclosing any treatments applied to enhance its appearance. (And who doesn't love emerald jewelry? The most valuable emeralds are the ones that have a deep bluish-green to true green color and no visible inclusions.)
If no grading report is available for a stone you are interested in, the dealer should be able to provide an authenticity document, such as an appraisal or info sheet, that has been signed by an in-house gemologist or professional appraiser. Google those names, too, for extra peace of mind.
Ask for videos and visuals: When transacting with a gem dealer online, you should always request real-time videos and photographs, since professional photos of a stone, usually on a white background, have likely been retouched for optimal presentation.
Read more about how to buy loose gemstones and find your dream gems today on 1stDibs.