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  • Art Deco 10K Gold Designer Gemstone Mens Jewelry Ring
    Estimate
    $100 - $10,000

    Art Deco 10K Gold Designer Gemstone Mens Jewelry Ring

    Est.
    $100 - $10,000
    Starting Bid
    $50
  • Antique 9K Gold Designer Gemstones Channel Set Jewelry Ring 5.8 Grams
    Estimate
    $100 - $10,000

    Antique 9K Gold Designer Gemstones Channel Set Jewelry Ring 5.8 Grams

    Est.
    $100 - $10,000
    Starting Bid
    $50
  • Vintage 10K Gold Designer Jewelry Gemstone Necklace 18K Pendant 26.4 Grams
    Estimate
    $100 - $10,000

    Vintage 10K Gold Designer Jewelry Gemstone Necklace 18K Pendant 26.4 Grams

    Est.
    $100 - $10,000
    Starting Bid
    $50
  • Very Fine 14K Gold Jade Cabochon Gemstone Jewelry Ring 17.8 Grams
    Estimate
    $100 - $10,000

    Very Fine 14K Gold Jade Cabochon Gemstone Jewelry Ring 17.8 Grams

    Est.
    $100 - $10,000
    Starting Bid
    $50
  • Vintage 14K Gold Designer Red Ruby Mens Jewelry Ring 11.2 Grams
    Estimate
    $100 - $10,000

    Vintage 14K Gold Designer Red Ruby Mens Jewelry Ring 11.2 Grams

    Est.
    $100 - $10,000
    Starting Bid
    $50
  • Very Fine 14K Gold Designer Blue Sapphire Diamond Mens Jewelry Ring 24.6 Grams
    Estimate
    $100 - $10,000

    Very Fine 14K Gold Designer Blue Sapphire Diamond Mens Jewelry Ring 24.6 Grams

    Est.
    $100 - $10,000
    Starting Bid
    $50
  • Vintage 14K Gold Byard F. Brogan Designer Blue Star Sapphire Jewelry Ring 6.2 Grams
    Estimate
    $100 - $10,000

    Vintage 14K Gold Byard F. Brogan Designer Blue Star Sapphire Jewelry Ring 6.2 Grams

    Est.
    $100 - $10,000
    Starting Bid
    $50
  • 14K Gold Designer Cabochon Cut Star Sapphire Mens Jewelry Ring 5.6 Grams
    Estimate
    $100 - $10,000

    14K Gold Designer Cabochon Cut Star Sapphire Mens Jewelry Ring 5.6 Grams

    Est.
    $100 - $10,000
    Starting Bid
    $50
  • Vintage 14K Gold Art Deco Designer Amethyst Jewelry Ring 11.8 Grams
    Estimate
    $100 - $10,000

    Vintage 14K Gold Art Deco Designer Amethyst Jewelry Ring 11.8 Grams

    Est.
    $100 - $10,000
    Starting Bid
    $50
  •  Vintage 14K Gold Designer Nugget Style Diamonds Jewelry Ring 9.5 Grams
    Estimate
    $100 - $10,000

    Vintage 14K Gold Designer Nugget Style Diamonds Jewelry Ring 9.5 Grams

    Est.
    $100 - $10,000
    Starting Bid
    $50
  • Art Deco 14K Gold Designer Amethyst Mens Jewelry Ring 10.7 Grams
    Estimate
    $100 - $10,000

    Art Deco 14K Gold Designer Amethyst Mens Jewelry Ring 10.7 Grams

    Est.
    $100 - $10,000
    Starting Bid
    $50
  • Vintage 10K Gold Designer Garnet and Diamond Jewelry Ring 4.9 Grams
    Estimate
    $100 - $10,000

    Vintage 10K Gold Designer Garnet and Diamond Jewelry Ring 4.9 Grams

    Est.
    $100 - $10,000
    Starting Bid
    $50
  • Vintage 14K Gold Designer Red-Rose Garnet Jewelry Ring 8.6 Grams
    Estimate
    $100 - $10,000

    Vintage 14K Gold Designer Red-Rose Garnet Jewelry Ring 8.6 Grams

    Est.
    $100 - $10,000
    Starting Bid
    $50
  • Vintage 14K Gold Designer Star-Set Rubies Mens Jewelry Ring 7.3 Grams
    Estimate
    $100 - $10,000

    Vintage 14K Gold Designer Star-Set Rubies Mens Jewelry Ring 7.3 Grams

    Est.
    $100 - $10,000
    Starting Bid
    $50
  • Vintage 10K Gold Designer Jewelry Mens Lapis Lazuli Ring 12.8 Grams
    Estimate
    $100 - $10,000

    Vintage 10K Gold Designer Jewelry Mens Lapis Lazuli Ring 12.8 Grams

    Est.
    $100 - $10,000
    Starting Bid
    $50
  • Vintage 14K Gold Facets Designer Onyx Diamonds Mens Jewelry Ring 22.8 Grams
    Estimate
    $100 - $10,000

    Vintage 14K Gold Facets Designer Onyx Diamonds Mens Jewelry Ring 22.8 Grams

    Est.
    $100 - $10,000
    Starting Bid
    $50
  • Artisan Multi-Gemstone and Silver Statement Necklace
    Estimate
    $150 - $300

    Artisan Multi-Gemstone and Silver Statement Necklace

    Est.
    $150 - $300
    Sarasota Estate Auction
    1 Bid
    Current Bid
    $80
  • Pair of Vintage Tiffany & Co. 14k Yellow Gold Cufflinks With Diamonds - Gross 10.1 g.
    Estimate
    $550 - $800

    Pair of Vintage Tiffany & Co. 14k Yellow Gold Cufflinks With Diamonds - Gross 10.1 g.

    Est.
    $550 - $800
    Sarasota Estate Auction
    3 Bids
    Current Bid
    $600
  • Sterling Silver and Pearl Necklace with Cabochon Stone Pendant.- Gross 1.090 ozt.
    Estimate
    $100 - $150

    Sterling Silver and Pearl Necklace with Cabochon Stone Pendant.- Gross 1.090 ozt.

    Est.
    $100 - $150
    Sarasota Estate Auction
    0 Bids
    Starting Bid
    $50
  • 10k Yellow Gold Jewelry - Pair of Earrings and Necklace with Jade Pendant - Gross 2.2 g.
    Estimate
    $60 - $100

    10k Yellow Gold Jewelry - Pair of Earrings and Necklace with Jade Pendant - Gross 2.2 g.

    Est.
    $60 - $100
    Sarasota Estate Auction
    0 Bids
    Starting Bid
    $40
  • Marked 14k Gold And Multistone Ring - Gross 5.5 g.
    Estimate
    $300 - $450

    Marked 14k Gold And Multistone Ring - Gross 5.5 g.

    Est.
    $300 - $450
    Sarasota Estate Auction
    2 Bids
    Current Bid
    $150
  • (11) Piece Assorted Sterling Silver Jewelry - Gross 1.405 ozt.
    Estimate
    $80 - $120

    (11) Piece Assorted Sterling Silver Jewelry - Gross 1.405 ozt.

    Est.
    $80 - $120
    Sarasota Estate Auction
    0 Bids
    Starting Bid
    $40
  • (2) Pairs 10k Gold Child's Earrings - 0.9 g.
    Estimate
    $60 - $90

    (2) Pairs 10k Gold Child's Earrings - 0.9 g.

    Est.
    $60 - $90
    Sarasota Estate Auction
    0 Bids
    Starting Bid
    $30
  • 18k Gold. Sapphire, and Turquoise Brooch - Gross 11.3 g. 
    Estimate
    $700 - $1,000

    18k Gold. Sapphire, and Turquoise Brooch - Gross 11.3 g. 

    Est.
    $700 - $1,000
    Sarasota Estate Auction
    3 Bids
    Current Bid
    $550
  • Group of (5) Sterling Silver Jewelry - Necklace, Earrings, Rings - Gross 0.970 ozt.
    Estimate
    $60 - $90

    Group of (5) Sterling Silver Jewelry - Necklace, Earrings, Rings - Gross 0.970 ozt.

    Est.
    $60 - $90
    Sarasota Estate Auction
    0 Bids
    Starting Bid
    $30
  • Vintage Gold-Toned Omega De Ville Ladies Wrist Watch With Intergrated Scarab Beetle Bracelet
    Estimate
    $125 - $250

    Vintage Gold-Toned Omega De Ville Ladies Wrist Watch With Intergrated Scarab Beetle Bracelet

    Est.
    $125 - $250
    Sarasota Estate Auction
    0 Bids
    Starting Bid
    $60
  • (4) Distinct Vintage Style Beaded Necklaces
    Estimate
    $300 - $600

    (4) Distinct Vintage Style Beaded Necklaces

    Est.
    $300 - $600
    Sarasota Estate Auction
    0 Bids
    Starting Bid
    $150
  • Harmony Scott Jewelry Freshwater Pearl and Gold Plated Double Strand Pendant Necklace and Drop Earrings
    Estimate
    $200 - $400

    Harmony Scott Jewelry Freshwater Pearl and Gold Plated Double Strand Pendant Necklace and Drop Earrings

    Est.
    $200 - $400
    Sarasota Estate Auction
    0 Bids
    Starting Bid
    $100
  • Platinum, Imitation Gemstone, and Diamond Cocktail Ring Size 6.5 13.2 g
    Estimate
    $200 - $400

    Platinum, Imitation Gemstone, and Diamond Cocktail Ring Size 6.5 13.2 g

    Est.
    $200 - $400
    DuMouchelles
    2 Bids
    Current Bid
    $200
  • 4.62 carat diamond pair, Oval cut Diamonds IGI Graded
    Estimate
    $6,900 - $9,300

    4.62 carat diamond pair, Oval cut Diamonds IGI Graded

    Est.
    $6,900 - $9,300
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $4,800
    Buy Now Price
    $6,500
  • 4.23 carat diamond pair, Round cut Diamonds IGI Graded
    Estimate
    $6,100 - $8,300

    4.23 carat diamond pair, Round cut Diamonds IGI Graded

    Est.
    $6,100 - $8,300
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $4,200
    Buy Now Price
    $5,500
  • 4.01 carat diamond pair, Oval cut Diamonds IGI Graded
    Estimate
    $6,300 - $8,500

    4.01 carat diamond pair, Oval cut Diamonds IGI Graded

    Est.
    $6,300 - $8,500
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $4,400
    Buy Now Price
    $6,000
  • 10.17 carat diamond pair, Cushion cut Diamonds IGI Graded
    Estimate
    $48,800 - $65,200

    10.17 carat diamond pair, Cushion cut Diamonds IGI Graded

    Est.
    $48,800 - $65,200
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $34,000
    Buy Now Price
    $46,000
  • 4.55 carat diamond pair, Round cut Diamonds IGI Graded
    Estimate
    $6,400 - $8,600

    4.55 carat diamond pair, Round cut Diamonds IGI Graded

    Est.
    $6,400 - $8,600
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $4,400
    Buy Now Price
    $6,000
  • 10.37 carat diamond pair, Round cut Diamonds IGI Graded
    Estimate
    $6,200 - $8,400

    10.37 carat diamond pair, Round cut Diamonds IGI Graded

    Est.
    $6,200 - $8,400
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $4,200
    Buy Now Price
    $5,500
  • 10.85 carat diamond pair, Round cut Diamonds IGI Graded
    Estimate
    $3,700 - $5,000

    10.85 carat diamond pair, Round cut Diamonds IGI Graded

    Est.
    $3,700 - $5,000
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $2,600
    Buy Now Price
    $3,400
  • 30.20 carat diamond pair, Round cut Diamonds IGI Graded
    Estimate
    $36,200 - $48,400

    30.20 carat diamond pair, Round cut Diamonds IGI Graded

    Est.
    $36,200 - $48,400
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $24,000
    Buy Now Price
    $32,000
  • 8.69 carat diamond pair, Radiant cut Diamonds IGI Graded
    Estimate
    $3,300 - $4,600

    8.69 carat diamond pair, Radiant cut Diamonds IGI Graded

    Est.
    $3,300 - $4,600
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $2,400
    Buy Now Price
    $3,200
  • 9.54 carat diamond pair, Pear cut Diamonds IGI Graded
    Estimate
    $3,400 - $4,600

    9.54 carat diamond pair, Pear cut Diamonds IGI Graded

    Est.
    $3,400 - $4,600
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $2,400
    Buy Now Price
    $3,200
  • 8.13 carat diamond pair, Emerald cut Diamonds IGI Graded
    Estimate
    $3,600 - $5,000

    8.13 carat diamond pair, Emerald cut Diamonds IGI Graded

    Est.
    $3,600 - $5,000
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $2,600
    Buy Now Price
    $3,400
  • 5.40 carat diamond pair, Cushion cut Diamonds IGI Graded
    Estimate
    $5,500 - $7,500

    5.40 carat diamond pair, Cushion cut Diamonds IGI Graded

    Est.
    $5,500 - $7,500
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $3,800
    Buy Now Price
    $5,000
  • 8.04 carat diamond pair, Cushion cut Diamonds IGI Graded
    Estimate
    $3,200 - $4,400

    8.04 carat diamond pair, Cushion cut Diamonds IGI Graded

    Est.
    $3,200 - $4,400
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $2,200
    Buy Now Price
    $3,000
  • 8.16 carat diamond pair, Cushion cut Diamonds IGI Graded
    Estimate
    $3,800 - $5,200

    8.16 carat diamond pair, Cushion cut Diamonds IGI Graded

    Est.
    $3,800 - $5,200
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $2,600
    Buy Now Price
    $3,400
  • 9.28 carat diamond pair, Pear cut Diamonds IGI Graded
    Estimate
    $3,400 - $4,600

    9.28 carat diamond pair, Pear cut Diamonds IGI Graded

    Est.
    $3,400 - $4,600
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $2,400
    Buy Now Price
    $3,200
  • 8.04 carat diamond pair, Oval cut Diamonds IGI Graded
    Estimate
    $3,800 - $5,200

    8.04 carat diamond pair, Oval cut Diamonds IGI Graded

    Est.
    $3,800 - $5,200
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $2,600
    Buy Now Price
    $3,400
  • 4.30 carat diamond pair, Emerald cut Diamonds IGI Graded
    Estimate
    $2,200 - $3,100

    4.30 carat diamond pair, Emerald cut Diamonds IGI Graded

    Est.
    $2,200 - $3,100
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $1,600
    Buy Now Price
    $2,200
  • 8.21 carat diamond pair, Radiant cut Diamonds IGI Graded
    Estimate
    $4,100 - $5,500

    8.21 carat diamond pair, Radiant cut Diamonds IGI Graded

    Est.
    $4,100 - $5,500
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $2,800
    Buy Now Price
    $3,800
  • 8.10 carat diamond pair, Cushion cut Diamonds IGI Graded
    Estimate
    $3,200 - $4,400

    8.10 carat diamond pair, Cushion cut Diamonds IGI Graded

    Est.
    $3,200 - $4,400
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $2,200
    Buy Now Price
    $3,000

Looking as lovely as when set in jewelry, loose diamonds and gemstones offer consumers additional benefits of matching the unmounted stone to desired specifications and quality characteristics to create a truly unique piece of custom jewelry, such as an engagement ring or milestone gift. Indulge yourself in a world of stunning diamond collections to glistening gemstones dating from the 19th to 21st century on Bidsquare, the online auction site providing authentic gemstone diamonds straight to consumers from verified sellers all over the world.

Basics of Loose Diamonds
Loose diamonds are diamonds that have not been set into jewelry like rings or earrings. The rarity and beauty of diamonds are affected by many variables, including Cut, Color, Clarity, and Carat Weight, the 4Cs factors that determine the price of the unmounted stone. Wholesale diamonds are priced by carat, and loose diamond prices grow exponentially with every full carat. Hence, the price difference between 2.9 carat and 3.1 carat diamonds could be hundreds of dollars, if not higher.

Although all 4Cs contribute to a diamond's beauty, cut and clarity have a greater effect on a diamond's stability. A diamond's cut refers to the shape and also the proportions in which the diamond has been cut. Different diamond shapes are reflections of the proportions and quality of the rough diamond as well as popular taste. Some of the most popular shapes of diamonds are the Round, Oval, Emerald, Baguette, Marquise Square, Princess cuts, in addition to the availability of various specialty shapes. Diamonds with pointed tips should be stored and handled carefully. Clarity is determined by the presence or absence of visible flaws in the diamond. A diamond's brilliance can be altered by surface blemishes or internal inclusions, which directly impact its value. The least color diamonds are more valuable, the exceptions are the colored diamonds, especially the pinks.

Loose certified diamonds come with verifiable documentation attesting to the jewel's quality, whether purchased as an investment or for mounting. The price of loose diamonds for sale is 50-70% less than its retail price because of cutting unnecessary costs as with mounted stones. Assessing the quality is easier with loose diamonds due to difficulty in hiding imperfections that would otherwise be easy with mountings.

Quick facts about Loose Diamonds and Gemstones

  • A diamond is not always white in color.
  • The cutting process can cause a diamond to lose up to 50% of its weight.

 

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