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    GIA Diamond Jewelry

    62398 Results
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    • Natural 1.02 ct, Color Brownish Pink/ GIA Graded Diamond
      Estimate
      $1,400 - $2,800

      Natural 1.02 ct, Color Brownish Pink/ GIA Graded Diamon...

      Est.
      $1,400 - $2,800
      Robinhood Auctions
      0 Bids
      Starting Bid
      $1,400
    • Natural 1 ct, Color F/I1 GIA Graded Diamond
      Estimate
      $1,500 - $3,000

      Natural 1 ct, Color F/I1 GIA Graded Diamond

      Est.
      $1,500 - $3,000
      Robinhood Auctions
      0 Bids
      Starting Bid
      $1,500
    • Natural 1.03 ct, Color D/SI2 GIA Graded Diamond
      Estimate
      $2,800 - $5,600

      Natural 1.03 ct, Color D/SI2 GIA Graded Diamond

      Est.
      $2,800 - $5,600
      Robinhood Auctions
      0 Bids
      Starting Bid
      $2,800
    • Natural 1.01 ct, Color H/I1 GIA Graded Diamond
      Estimate
      $1,700 - $3,400

      Natural 1.01 ct, Color H/I1 GIA Graded Diamond

      Est.
      $1,700 - $3,400
      Robinhood Auctions
      0 Bids
      Starting Bid
      $1,700
    • Natural 1.5 ct, Color G/SI1 GIA Graded Diamond
      Estimate
      $8,000 - $16,000

      Natural 1.5 ct, Color G/SI1 GIA Graded Diamond

      Est.
      $8,000 - $16,000
      Robinhood Auctions
      0 Bids
      Starting Bid
      $8,000
    • Natural 0.72 ct, Color G/VVS2 GIA Graded Diamond
      Estimate
      $2,200 - $4,400

      Natural 0.72 ct, Color G/VVS2 GIA Graded Diamond

      Est.
      $2,200 - $4,400
      Robinhood Auctions
      0 Bids
      Starting Bid
      $2,200
    • Natural 1.5 ct, Color I/SI2 GIA Graded Diamond
      Estimate
      $6,000 - $12,000

      Natural 1.5 ct, Color I/SI2 GIA Graded Diamond

      Est.
      $6,000 - $12,000
      Robinhood Auctions
      0 Bids
      Starting Bid
      $6,000
    • Natural 0.73 ct, Color G/VVS1 GIA Graded Diamond
      Estimate
      $1,900 - $3,800

      Natural 0.73 ct, Color G/VVS1 GIA Graded Diamond

      Est.
      $1,900 - $3,800
      Robinhood Auctions
      0 Bids
      Starting Bid
      $1,900
    • Natural 1.31 ct, Color M/SI2 GIA Graded Diamond
      Estimate
      $3,300 - $6,600

      Natural 1.31 ct, Color M/SI2 GIA Graded Diamond

      Est.
      $3,300 - $6,600
      Robinhood Auctions
      0 Bids
      Starting Bid
      $3,300
    • Natural 0.9 ct, Color K/VS1 GIA Graded Diamond
      Estimate
      $1,400 - $2,800

      Natural 0.9 ct, Color K/VS1 GIA Graded Diamond

      Est.
      $1,400 - $2,800
      Robinhood Auctions
      0 Bids
      Starting Bid
      $1,400
    • Natural 1.01 ct, Color D/SI2 GIA Graded Diamond
      Estimate
      $2,800 - $5,600

      Natural 1.01 ct, Color D/SI2 GIA Graded Diamond

      Est.
      $2,800 - $5,600
      Robinhood Auctions
      0 Bids
      Starting Bid
      $2,800
    • Natural 0.81 ct, Color I/VS2 GIA Graded Diamond
      Estimate
      $1,700 - $3,400

      Natural 0.81 ct, Color I/VS2 GIA Graded Diamond

      Est.
      $1,700 - $3,400
      Robinhood Auctions
      0 Bids
      Starting Bid
      $1,700
    • Natural 1.5 ct, Color K/VVS2 GIA Graded Diamond
      Estimate
      $6,000 - $12,000

      Natural 1.5 ct, Color K/VVS2 GIA Graded Diamond

      Est.
      $6,000 - $12,000
      Robinhood Auctions
      0 Bids
      Starting Bid
      $6,000
    • Lab Grown 3.15 ct, Color H/VS2 GIA Graded Diamond
      Estimate
      $1,200 - $2,400

      Lab Grown 3.15 ct, Color H/VS2 GIA Graded Diamond

      Est.
      $1,200 - $2,400
      Robinhood Auctions
      0 Bids
      Starting Bid
      $1,200
    • Lab Grown 3.02 ct, Color G/VS1 GIA Graded Diamond
      Estimate
      $1,100 - $2,200

      Lab Grown 3.02 ct, Color G/VS1 GIA Graded Diamond

      Est.
      $1,100 - $2,200
      Robinhood Auctions
      0 Bids
      Starting Bid
      $1,100
    • Lab Grown 3.05 ct, Color F/VS1 GIA Graded Diamond
      Estimate
      $1,300 - $2,600

      Lab Grown 3.05 ct, Color F/VS1 GIA Graded Diamond

      Est.
      $1,300 - $2,600
      Robinhood Auctions
      0 Bids
      Starting Bid
      $1,300
    • Lab Grown 3.01 ct, Color H/VVS2 GIA Graded Diamond
      Estimate
      $1,100 - $2,200

      Lab Grown 3.01 ct, Color H/VVS2 GIA Graded Diamond

      Est.
      $1,100 - $2,200
      Robinhood Auctions
      0 Bids
      Starting Bid
      $1,100
    • Lab Grown 3.02 ct, Color G/VS1 GIA Graded Diamond
      Estimate
      $1,200 - $2,400

      Lab Grown 3.02 ct, Color G/VS1 GIA Graded Diamond

      Est.
      $1,200 - $2,400
      Robinhood Auctions
      0 Bids
      Starting Bid
      $1,200
    • Lab Grown 3.01 ct, Color H/VVS2 GIA Graded Diamond
      Estimate
      $1,100 - $2,200

      Lab Grown 3.01 ct, Color H/VVS2 GIA Graded Diamond

      Est.
      $1,100 - $2,200
      Robinhood Auctions
      0 Bids
      Starting Bid
      $1,100
    • Lab Grown 3.16 ct, Color H/VVS2 GIA Graded Diamond
      Estimate
      $1,200 - $2,400

      Lab Grown 3.16 ct, Color H/VVS2 GIA Graded Diamond

      Est.
      $1,200 - $2,400
      Robinhood Auctions
      0 Bids
      Starting Bid
      $1,200
    • Lab Grown 3.06 ct, Color F/VS1 GIA Graded Diamond
      Estimate
      $1,300 - $2,600

      Lab Grown 3.06 ct, Color F/VS1 GIA Graded Diamond

      Est.
      $1,300 - $2,600
      Robinhood Auctions
      0 Bids
      Starting Bid
      $1,300
    • Lab Grown 3.04 ct, Color G/VS1 GIA Graded Diamond
      Estimate
      $1,200 - $2,400

      Lab Grown 3.04 ct, Color G/VS1 GIA Graded Diamond

      Est.
      $1,200 - $2,400
      Robinhood Auctions
      0 Bids
      Starting Bid
      $1,200
    • GIA 22.89 Carats No Heat Sapphire & Diamond Platinum Necklace
      Estimate
      $105,700 - $119,500

      GIA 22.89 Carats No Heat Sapphire & Diamond Platinum Ne...

      Est.
      $105,700 - $119,500
      Reserve Stock Auctions
      0 Bids
      Starting Bid
      $50,000
      Click Here to Bid Live
    • 27.00 Carats!!! GIA Certified Heart Shape Diamond Tennis Bracelet in 18K White Gold
      Estimate
      $380,000 - $420,000

      27.00 Carats!!! GIA Certified Heart Shape Diamond Tenni...

      Est.
      $380,000 - $420,000
      Reserve Stock Auctions
      0 Bids
      Starting Bid
      $1,000
      Click Here to Bid Live
    • GIA 2.18 ct. Diamond Engagement Ring in Platinum (G-H, VS)
      Estimate
      $28,590 - $31,120

      GIA 2.18 ct. Diamond Engagement Ring in Platinum (G-H, ...

      Est.
      $28,590 - $31,120
      Reserve Stock Auctions
      0 Bids
      Starting Bid
      $500
      Click Here to Bid Live
    • GIA 8.01 ct. Natural Round Diamond Engagement Ring in 14k White Gold
      Estimate
      $184,595 - $192,729

      GIA 8.01 ct. Natural Round Diamond Engagement Ring in 1...

      Est.
      $184,595 - $192,729
      Reserve Stock Auctions
      0 Bids
      Starting Bid
      $75,000
      Click Here to Bid Live
    • GIA 2.05 ct. Natural Ruby & Diamond Ring in 14k Rose Gold (G-H, VS)
      Estimate
      $25,440 - $28,650

      GIA 2.05 ct. Natural Ruby & Diamond Ring in 14k Rose Go...

      Est.
      $25,440 - $28,650
      Reserve Stock Auctions
      0 Bids
      Starting Bid
      $500
      Click Here to Bid Live
    • Maison Mazerea La Vie en Rose Diamond Necklace featuring over 71 carats
      Estimate
      $3,550,000 - $4,775,000

      Maison Mazerea La Vie en Rose Diamond Necklace featurin...

      Est.
      $3,550,000 - $4,775,000
      Reserve Stock Auctions
      0 Bids
      Starting Bid
      $1,000,000
      Click Here to Bid Live
    • GIA 6.06 ct. Alexandrite & Natural Diamond Ring Two Tone 14k & 18k White & Yellow Gold
      Estimate
      $139,940 - $151,200

      GIA 6.06 ct. Alexandrite & Natural Diamond Ring Two Ton...

      Est.
      $139,940 - $151,200
      Reserve Stock Auctions
      0 Bids
      Starting Bid
      $5,000
      Click Here to Bid Live
    • GIA 50.60 ct. Natural Emerald Cabochon Diamond Cocktail Ring in 18K White Gold
      Estimate
      $102,000 - $136,000

      GIA 50.60 ct. Natural Emerald Cabochon Diamond Cocktail...

      Est.
      $102,000 - $136,000
      Reserve Stock Auctions
      0 Bids
      Starting Bid
      $30,000
      Click Here to Bid Live
    • GIA 14.60 Carts Edwardian Brooch Pin & Necklace in 18k & Platinum
      Estimate
      $86,000 - $91,000

      GIA 14.60 Carts Edwardian Brooch Pin & Necklace in 18k ...

      Est.
      $86,000 - $91,000
      Reserve Stock Auctions
      0 Bids
      Starting Bid
      $40,000
      Click Here to Bid Live
    • 10.04 carat diamond pair, Pear cut Diamonds GIA Graded
      Estimate
      $10,200 - $13,700

      10.04 carat diamond pair, Pear cut Diamonds GIA Graded

      Est.
      $10,200 - $13,700
      Lab Grown Auctions
      0 Bids
      Starting Bid
      $7,000
      Click Here to Bid Live
    • 7.09 carat diamond pair, Princess cut Diamonds GIA Graded
      Estimate
      $4,200 - $5,800

      7.09 carat diamond pair, Princess cut Diamonds GIA Grad...

      Est.
      $4,200 - $5,800
      Lab Grown Auctions
      0 Bids
      Starting Bid
      $3,000
      Click Here to Bid Live
    • 5.02 carat diamond pair, Oval cut Diamonds GIA Graded
      Estimate
      $3,600 - $4,900

      5.02 carat diamond pair, Oval cut Diamonds GIA Graded

      Est.
      $3,600 - $4,900
      Lab Grown Auctions
      0 Bids
      Starting Bid
      $2,600
      Click Here to Bid Live
    • 6.20 carat diamond pair, Oval cut Diamonds GIA Graded
      Estimate
      $4,100 - $5,600

      6.20 carat diamond pair, Oval cut Diamonds GIA Graded

      Est.
      $4,100 - $5,600
      Lab Grown Auctions
      0 Bids
      Starting Bid
      $2,800
      Click Here to Bid Live
    • 6.52 carat diamond pair, Marquise cut Diamonds GIA Graded
      Estimate
      $4,100 - $5,600

      6.52 carat diamond pair, Marquise cut Diamonds GIA Grad...

      Est.
      $4,100 - $5,600
      Lab Grown Auctions
      0 Bids
      Starting Bid
      $2,800
      Click Here to Bid Live
    • 10.03 carat diamond pair, Oval cut Diamonds GIA Graded
      Estimate
      $8,400 - $11,300

      10.03 carat diamond pair, Oval cut Diamonds GIA Graded

      Est.
      $8,400 - $11,300
      Lab Grown Auctions
      0 Bids
      Starting Bid
      $6,000
      Click Here to Bid Live
    • 3.06 ct, D/IF, Princess cut GIA Graded Diamond. Appraised Value: $332,700
      Estimate
      $92,000 - $106,000

      3.06 ct, D/IF, Princess cut GIA Graded Diamond. Apprais...

      Est.
      $92,000 - $106,000
      Bid Global International Au...
      0 Bids
      Starting Bid
      $70,000
      Click Here to Bid Live
    • 2.01 ct, E/IF, Pear cut GIA Graded Diamond. Appraised Value: $92,700
      Estimate
      $31,000 - $36,000

      2.01 ct, E/IF, Pear cut GIA Graded Diamond. Appraised V...

      Est.
      $31,000 - $36,000
      Bid Global International Au...
      0 Bids
      Starting Bid
      $24,000
      Click Here to Bid Live
    • 3.05 ct, H/IF, Round cut GIA Graded Diamond. Appraised Value: $185,200
      Estimate
      $68,000 - $78,000

      3.05 ct, H/IF, Round cut GIA Graded Diamond. Appraised ...

      Est.
      $68,000 - $78,000
      Bid Global International Au...
      0 Bids
      Starting Bid
      $50,000
      Click Here to Bid Live
    • 2.01 ct, H/IF, Round cut GIA Graded Diamond. Appraised Value: $74,600
      Estimate
      $25,000 - $30,000

      2.01 ct, H/IF, Round cut GIA Graded Diamond. Appraised ...

      Est.
      $25,000 - $30,000
      Bid Global International Au...
      0 Bids
      Starting Bid
      $19,000
      Click Here to Bid Live
    • 2.02 ct, G/IF, Round cut GIA Graded Diamond. Appraised Value: $93,100
      Estimate
      $25,000 - $30,000

      2.02 ct, G/IF, Round cut GIA Graded Diamond. Appraised ...

      Est.
      $25,000 - $30,000
      Bid Global International Au...
      0 Bids
      Starting Bid
      $19,000
      Click Here to Bid Live
    • 10.21 ct, K/IF, Emerald cut GIA Graded Diamond. Appraised Value: $804,000
      Estimate
      $255,000 - $293,000

      10.21 ct, K/IF, Emerald cut GIA Graded Diamond. Apprais...

      Est.
      $255,000 - $293,000
      Bid Global International Au...
      0 Bids
      Starting Bid
      $190,000
      Click Here to Bid Live
    • 3.01 ct, H/IF, Pear cut GIA Graded Diamond. Appraised Value: $162,500
      Estimate
      $51,000 - $60,000

      3.01 ct, H/IF, Pear cut GIA Graded Diamond. Appraised V...

      Est.
      $51,000 - $60,000
      Bid Global International Au...
      0 Bids
      Starting Bid
      $38,000
      Click Here to Bid Live
    • 4.04 ct, E/IF, Pear cut GIA Graded Diamond. Appraised Value: $464,600
      Estimate
      $147,000 - $169,000

      4.04 ct, E/IF, Pear cut GIA Graded Diamond. Appraised V...

      Est.
      $147,000 - $169,000
      Bid Global International Au...
      0 Bids
      Starting Bid
      $110,000
      Click Here to Bid Live
    • 5.57 ct, G/IF, Oval cut GIA Graded Diamond. Appraised Value: $696,200
      Estimate
      $144,000 - $166,000

      5.57 ct, G/IF, Oval cut GIA Graded Diamond. Appraised V...

      Est.
      $144,000 - $166,000
      Bid Global International Au...
      0 Bids
      Starting Bid
      $110,000
      Click Here to Bid Live
    • 4.01 ct, G/IF, Emerald cut GIA Graded Diamond. Appraised Value: $375,900
      Estimate
      $112,000 - $129,000

      4.01 ct, G/IF, Emerald cut GIA Graded Diamond. Appraise...

      Est.
      $112,000 - $129,000
      Bid Global International Au...
      0 Bids
      Starting Bid
      $85,000
      Click Here to Bid Live
    • 3.01 ct, D/IF, Cushion cut GIA Graded Diamond. Appraised Value: $327,300
      Estimate
      $85,000 - $99,000

      3.01 ct, D/IF, Cushion cut GIA Graded Diamond. Appraise...

      Est.
      $85,000 - $99,000
      Bid Global International Au...
      0 Bids
      Starting Bid
      $65,000
      Click Here to Bid Live