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Jun 20, 01:00PM EDT

GIA Fine Jewelry , Designer Jewelry , Loose Diamonds & Bizarre Artifacts

2026-06-20 13:00:00 2026-06-20 13:00:00 America/New_York Bidsquare Bidsquare : GIA Fine Jewelry , Designer Jewelry , Loose Diamonds & Bizarre Artifacts https://www.bidsquare.com/auctions/reserve-stock-jewelers-auctions/gia-fine-jewelry-designer-jewelry-loose-diamonds-bizarre-artifacts-23663
Many of our jewelry lots are in Brand New in Unworn Condition. Many are set with Natural Earth Minded Diamonds and Natural Earth Mined Gemstones. Our Jewelry is made of solid gold in *10KT, *14KT and *18KT or Platinum. Most of our Watches are Brand New or in Excellent pre-owned condition. All Lots Have A Reserve Price. If Reserve is not met the lot will be passed to another auction. Please read full descriptions for all lot details. ** All Bidders Must have a Credit Card on File with Bid Square to be approved to bid**. Any Bidders with *Flags* Will Not Be Allowed to attend any of our Auctions.
Reserve Stock Auctions reservestockjewelers@gmail.com

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152 Results
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  • GIA Natural 1.00 ct. Round Brilliant D VVS2
    Estimate
    $8,190 - $10,770
    Lot 1

    GIA Natural 1.00 ct. Round Brilliant D VVS2

    Est.
    $8,190 - $10,770
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $500
  • David Yurman 2.5 MM Wedding Band in 18K Yellow Gold
    Estimate
    $1,549 - $2,279
    Lot 2

    David Yurman 2.5 MM Wedding Band in 18K Yellow Gold

    Est.
    $1,549 - $2,279
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $500
  • GIA  1.01 ct. Round Brilliant Natural Loose Diamond  E, VVS1
    Estimate
    $8,854 - $9,590
    Lot 3

    GIA 1.01 ct. Round Brilliant Natural Loose Diamond E, VVS1

    Est.
    $8,854 - $9,590
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $500
  • Cartier Wedding Band in Platinum
    Estimate
    $1,789 - $2,357
    Lot 4

    Cartier Wedding Band in Platinum

    Est.
    $1,789 - $2,357
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $500
  • GIA 1.51 ct. Natural Cushion Modified Loose Diamond D, VS1
    Estimate
    $11,970 - $13,120
    Lot 5

    GIA 1.51 ct. Natural Cushion Modified Loose Diamond D, VS1

    Est.
    $11,970 - $13,120
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $2,500
  • GIA 12.15 ct. Burma Ruby & Diamond Bracelet Set in 18K White Gold
    Estimate
    $16,695 - $19,875
    Lot 6

    GIA 12.15 ct. Burma Ruby & Diamond Bracelet Set in 18K White Gold

    Est.
    $16,695 - $19,875
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $2,500
  • GIA 2.02 ct. Natural Cushion Modified Loose Diamond F, SI-1
    Estimate
    $16,349 - $18,790
    Lot 7

    GIA 2.02 ct. Natural Cushion Modified Loose Diamond F, SI-1

    Est.
    $16,349 - $18,790
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $2,500
  • GIA 2.01 ct. Natural Cushion Modified Loose Diamond G, SI-1
    Estimate
    $12,500 - $14,500
    Lot 8

    GIA 2.01 ct. Natural Cushion Modified Loose Diamond G, SI-1

    Est.
    $12,500 - $14,500
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $2,500
  • Men's 8.5" 12.2 mm Cuban Link Bracelet in 14K White Gold
    Estimate
    $5,139 - $6,510
    Lot 9

    Men's 8.5" 12.2 mm Cuban Link Bracelet in 14K White Gold

    Est.
    $5,139 - $6,510
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $500
  • GIA 1.55 ct. Brazilian Tourmaline Cocktail Ring Set In Platinum
    Estimate
    $7,589 - $10,549
    Lot 10

    GIA 1.55 ct. Brazilian Tourmaline Cocktail Ring Set In Platinum

    Est.
    $7,589 - $10,549
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $500
  • 1.12 ct. Natural Marquise & Round Diamonds Engagement Ring Set in 14K White Gold
    Estimate
    $3,195 - $4,790
    Lot 12

    1.12 ct. Natural Marquise & Round Diamonds Engagement Ring Set in 14K White Gold

    Est.
    $3,195 - $4,790
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $500
  • 2.02 ct. Natural Round Diamond Stud Earrings Set in 14K White Gold
    Estimate
    $7,764 - $10,295
    Lot 13

    2.02 ct. Natural Round Diamond Stud Earrings Set in 14K White Gold

    Est.
    $7,764 - $10,295
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $2,100
  • GIA 2.14 ct. Extremely Rare Natural Color Change Russian Alexandrite
    Estimate
    $203,300 - $224,700
    Lot 15

    GIA 2.14 ct. Extremely Rare Natural Color Change Russian Alexandrite

    Est.
    $203,300 - $224,700
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $100,000
  • 17.69 ct. Natural Rubies & Diamond Bracelet Set in 18K Yellow Gold
    Estimate
    $37,985 - $41,381
    Lot 16

    17.69 ct. Natural Rubies & Diamond Bracelet Set in 18K Yellow Gold

    Est.
    $37,985 - $41,381
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $2,500
  • 2.50 ct. Natural Round Diamond Screw Back Earrings in 14K White Gold
    Estimate
    $15,475 - $18,871
    Lot 17

    2.50 ct. Natural Round Diamond Screw Back Earrings in 14K White Gold

    Est.
    $15,475 - $18,871
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $500
  • GIA 1.78 ct. Natural Round Diamond Solitaire Comfort Fit Ring in 14K White Gold
    Estimate
    $15,940 - $18,445
    Lot 19

    GIA 1.78 ct. Natural Round Diamond Solitaire Comfort Fit Ring in 14K White Gold

    Est.
    $15,940 - $18,445
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $500
  • David Yurman Wedding Band in 18K Yellow Gold
    Estimate
    $2,589 - $3,290
    Lot 20

    David Yurman Wedding Band in 18K Yellow Gold

    Est.
    $2,589 - $3,290
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $500
  • GIA 1.79 ct. Pink Kenya Sapphire & Diamond Fashion Ring Set in Platinum
    Estimate
    $4,472 - $5,367
    Lot 21

    GIA 1.79 ct. Pink Kenya Sapphire & Diamond Fashion Ring Set in Platinum

    Est.
    $4,472 - $5,367
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $500
  • Cartier Love Ring in 18K White Gold
    Estimate
    $2,759 - $3,549
    Lot 22

    Cartier Love Ring in 18K White Gold

    Est.
    $2,759 - $3,549
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $750
  • Cartier Love Bangle in 18K White Gold
    Estimate
    $8,249 - $10,779
    Lot 23

    Cartier Love Bangle in 18K White Gold

    Est.
    $8,249 - $10,779
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $500
  • 2.00 ct. Natural Round Diamond inside & Out Hoop Earrings in 14k White Gold
    Estimate
    $9,475 - $10,789
    Lot 24

    2.00 ct. Natural Round Diamond inside & Out Hoop Earrings in 14k White Gold

    Est.
    $9,475 - $10,789
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $500
  • 2.00 ct. Natural Round Diamond Tennis Bracelet 14k White Gold
    Estimate
    $4,350 - $5,590
    Lot 25

    2.00 ct. Natural Round Diamond Tennis Bracelet 14k White Gold

    Est.
    $4,350 - $5,590
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $500
  • 5.00 ct. Natural Round Diamond Tennis Bracelet In  14K White Gold
    Estimate
    $7,450 - $9,200
    Lot 26

    5.00 ct. Natural Round Diamond Tennis Bracelet In 14K White Gold

    Est.
    $7,450 - $9,200
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $500
  • 4.00 ct. Natural Round Diamonds Stud Earrings Set in 14k White Gold
    Estimate
    $23,833 - $26,579
    Lot 27

    4.00 ct. Natural Round Diamonds Stud Earrings Set in 14k White Gold

    Est.
    $23,833 - $26,579
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $500
  • 4.02 ct. Natural Round Diamond Screw Back Earrings Set in 14K White Gold
    Estimate
    $19,280 - $25,540
    Lot 28

    4.02 ct. Natural Round Diamond Screw Back Earrings Set in 14K White Gold

    Est.
    $19,280 - $25,540
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $500
  • Chinese Panda Bear Coin Ring  in 14K Yellow Gold
    Estimate
    $3,737 - $4,979
    Lot 29

    Chinese Panda Bear Coin Ring in 14K Yellow Gold

    Est.
    $3,737 - $4,979
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $500
  • Tacori 5.0 MM Wedding Band in 18K Two Tone Gold
    Estimate
    $3,290 - $4,679
    Lot 30

    Tacori 5.0 MM Wedding Band in 18K Two Tone Gold

    Est.
    $3,290 - $4,679
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $500
  • GIA 3.45 ct. Sri Lanka No Heat Sapphire & Diamond Fashion Ring Set in Platinum
    Estimate
    $6,482 - $9,790
    Lot 31

    GIA 3.45 ct. Sri Lanka No Heat Sapphire & Diamond Fashion Ring Set in Platinum

    Est.
    $6,482 - $9,790
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $750
  • Tacori 6.0 MM Wedding Band in 18K White Gold
    Estimate
    $3,859 - $4,560
    Lot 32

    Tacori 6.0 MM Wedding Band in 18K White Gold

    Est.
    $3,859 - $4,560
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $750
  • GIA 6.06 ct. Natural Alexandrite & Diamond Ring in Two Tone 18k Yellow & White Gold
    Estimate
    $82,739 - $91,779
    Lot 33

    GIA 6.06 ct. Natural Alexandrite & Diamond Ring in Two Tone 18k Yellow & White Gold

    Est.
    $82,739 - $91,779
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $25,000
  • Tacori 6.0 MM Designer Wedding Band in 18K White Gold
    Estimate
    $4,074 - $4,959
    Lot 34

    Tacori 6.0 MM Designer Wedding Band in 18K White Gold

    Est.
    $4,074 - $4,959
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $1,000
  • 1.36 ct. Natural Blue Sapphire's & Diamonds Fashion Ring in 18k Yellow Gold
    Estimate
    $4,745 - $6,195
    Lot 35

    1.36 ct. Natural Blue Sapphire's & Diamonds Fashion Ring in 18k Yellow Gold

    Est.
    $4,745 - $6,195
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $500
  • 0.26 ct. Tiffany & Co  Solitaire Round Diamond Ring in Platinum
    Estimate
    $3,885 - $4,759
    Lot 36

    0.26 ct. Tiffany & Co Solitaire Round Diamond Ring in Platinum

    Est.
    $3,885 - $4,759
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $750
  • GIA 19.49 ct. Tanzanite & Diamond Ring in 14k White Gold
    Estimate
    $21,475 - $24,911
    Lot 37

    GIA 19.49 ct. Tanzanite & Diamond Ring in 14k White Gold

    Est.
    $21,475 - $24,911
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $5,000
  • 2.50 ct. Natural Round Diamond Solitaire Ring in 14k White Gold
    Estimate
    $21,995 - $23,579
    Lot 38

    2.50 ct. Natural Round Diamond Solitaire Ring in 14k White Gold

    Est.
    $21,995 - $23,579
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $5,500
  • Certified 1.83 ct. Natural Fancy Yellowish Green Diamond Ring In 18K White Gold
    Estimate
    $39,500 - $42,750
    Lot 39

    Certified 1.83 ct. Natural Fancy Yellowish Green Diamond Ring In 18K White Gold

    Est.
    $39,500 - $42,750
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $5,000
  • 0.55 ct. Natural Round Diamond Tiffany Style Solitaire Ring in 14k Yellow Gold
    Estimate
    $1,789 - $2,379
    Lot 40

    0.55 ct. Natural Round Diamond Tiffany Style Solitaire Ring in 14k Yellow Gold

    Est.
    $1,789 - $2,379
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $100
  • 0.30 ct. Women's Round Natural Diamonds Designer Wedding Ring in 14k 2 Tone Gold
    Estimate
    $2,259 - $3,470
    Lot 41

    0.30 ct. Women's Round Natural Diamonds Designer Wedding Ring in 14k 2 Tone Gold

    Est.
    $2,259 - $3,470
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $100
  • Wayland dolphins diamonds and pearl earrings in 18 karat white gold
    Estimate
    $2,389 - $3,475
    Lot 42

    Wayland dolphins diamonds and pearl earrings in 18 karat white gold

    Est.
    $2,389 - $3,475
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $100
  • 1.25 ct. Natural Diamonds Heart Pendant in 14 karat Yellow Gold
    Estimate
    $4,879 - $5,725
    Lot 43

    1.25 ct. Natural Diamonds Heart Pendant in 14 karat Yellow Gold

    Est.
    $4,879 - $5,725
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $100
  • Men's 0.50 ct. Natural Diamonds Wedding Band in 14 karat White Gold
    Estimate
    $1,598 - $2,280
    Lot 44

    Men's 0.50 ct. Natural Diamonds Wedding Band in 14 karat White Gold

    Est.
    $1,598 - $2,280
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $100
  • Men's 0.30 ct. Natural Diamonds Wedding Band in 14 karat Yellow Gold
    Estimate
    $1,589 - $2,071
    Lot 45

    Men's 0.30 ct. Natural Diamonds Wedding Band in 14 karat Yellow Gold

    Est.
    $1,589 - $2,071
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $100
  • 2.54 ct. Vera Wang Lab Grown Diamond & Sapphire Engagement Ring in 14K White Gold
    Estimate
    $6,875 - $8,729
    Lot 46

    2.54 ct. Vera Wang Lab Grown Diamond & Sapphire Engagement Ring in 14K White Gold

    Est.
    $6,875 - $8,729
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $500
  • GIA 0.63 ct. Natural Round Loose Diamond I, SI-1
    Estimate
    $2,089 - $2,880
    Lot 47

    GIA 0.63 ct. Natural Round Loose Diamond I, SI-1

    Est.
    $2,089 - $2,880
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $100
  • 3.55 ct. Natural Round Diamonds Wedding Ring  Set in 14k White Gold
    Estimate
    $12,889 - $15,675
    Lot 48

    3.55 ct. Natural Round Diamonds Wedding Ring Set in 14k White Gold

    Est.
    $12,889 - $15,675
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $5,500

Auction Description

GIA Fine Jewelry , Designer Jewelry ,  Loose Diamonds & Bizarre Artifacts by Reserve Stock Auctions

We offer our clients a very fine selection of higher end jewelry and accessories.  All of our jewelry & Watches come from very reliable sources here in the United States. All of our consigners are listed with the jewelers board of trade along with the jewelers vigilance committee. We make sure our clients get nothing but the best selections of brand new Jewelry and Luxury New and pre-owned Watches. Since 2007 We have been working directly with Jewelry manufactures like Louis Creations and House Of Diamonds along with a Certified Rolex Dealer of N.Y. providing clients with nothing but the best at a true wholesale price. All of our Artifacts come from The Museum of the Unknown in Saint Petersburgh Florida. 

**All winning lots must be paid within "5" days of auction close date.**  

We Accept ACH payments and Wire Transfers Only. Credit cards are not Premitted on auction sales do to fraud and stolen credit cards.    

Auction House phone # 815-995-9829. Messages will be returned.                  Auction House E-mail reservestockjewelers@gmail.com

All lots are shipped FEDEX Insured through parcel pro with Adult Signature Required.

Average shipping time is 7 to 10 days.  After cleared payment.

Terms & Conditions:

The Bidder acknowledges and agrees to the following: All Sales are Final!!! All items are final sale. We DO NOT accept Returns on any auction items. Mistake Bids will not be tolerated... You cannot bring the bullet back once it leaves the barrel. You Win You are responsible for payment. Or a FLAG will be filed against your account, and you will not be allowed to bid again.

All items are sold as is, where is, with all faults, ALL SALES ARE FINAL. No Refunds or Exchanges are accepted. Reserve Stock Auctions, and any consignor as applicable, Disclaim any and all Warranties, Expressed or Implied, including but not limited to the implied warranty of merchantability or fitness for any particular purpose. NO Warranties are made that any of the merchandise complies with any applicable Governmental Rules, Regulations or Ordinances of any kind or nature whatsoever.

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Reserve Stock Auctions
Rockford, IL 61108
United States

reservestockjewelers@gmail.com

Phone:+1 8159959829

Buyer’s Premium

Start Premium (%)
$100 20.00

Bid Increments

Start Increments ($)
$10 $10
$50 $25
$125 $75
$350 $100
$650 $125
$1,025 $200
$1,625 $325
$9,750 $1,000
$13,750 $2,500
$26,250 $3,750
$37,500 $5,000
$57,500 $7,500
$102,500 $10,500

Shipping Info

All lots are shipped by FEDEX/UPS Insured with adult signature required! Payment must be cleared and processed before shipment. Shipping Options: Bidder Can Make Shipping Arrangements or In-House Shipping. After Cleared Payment; please allow 14 to 21 days to receive your lot/lots. All lots that are self-arranged shipping must be picked up within 30 days or will be forfeited and Lost Forever.

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Terms & Conditions

The Bidder acknowledges and agrees to the following contract. All Sales are Final!!! All items are final sale. We DO NOT accept Returns on auction items. Mistake Bids will not be tolerated... You cannot bring the bullet back once it leaves the barrel. You Win You are responsible for payment. A Bad Bidder Flag will be filed, and you will not be allowed to bid again. All items are sold as is, where is, with all faults, ALL SALES ARE FINAL. No Refunds. No charge backs. Or Exchanges are accepted. Reserve Stock Auctions, and any consignor as applicable, disclaim any and all warranties, expressed or implied, including but not limited to the implied warranty of merchantability or fitness for any particular purpose. No warranties are made that any of the merchandise complies with any applicable governmental rules, regulations or ordinances or laws of any kind or nature whatsoever. After Cleared Payment!!! Please allow 14 to 21 days to receive your lot/lots. All lots that are self-arranged shipping must be picked up within 30 days or will be forfeited and Lost Forever.