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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

Featured Items

154 Results
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  • AGLS 4.75 ct. Loose Natural Padparadscha Sapphire
    Estimate
    $78,743 - $83,125
    Lot 49

    AGLS 4.75 ct. Loose Natural Padparadscha Sapphire

    Est.
    $78,743 - $83,125
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $5,000
  • 41.39 ct. Natural Ceylon Sapphires & Diamonds Necklace in 18K Yellow Gold
    Estimate
    $39,870 - $45,730
    Lot 50

    41.39 ct. Natural Ceylon Sapphires & Diamonds Necklace in 18K Yellow Gold

    Est.
    $39,870 - $45,730
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $7,500
  • 32.71 ct. Tanzanite & Diamond Ring set in 14K White Gold
    Estimate
    $39,879 - $45,325
    Lot 51

    32.71 ct. Tanzanite & Diamond Ring set in 14K White Gold

    Est.
    $39,879 - $45,325
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $2,500
  • 2.00 ct. Natural Round Diamonds Hoop Earrings in 14k Yellow Gold
    Estimate
    $5,190 - $6,589
    Lot 52

    2.00 ct. Natural Round Diamonds Hoop Earrings in 14k Yellow Gold

    Est.
    $5,190 - $6,589
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $100
  • 1.50 ct. Natural Diamonds Double Halo Ring in 10K White Gold.
    Estimate
    $2,979 - $4,158
    Lot 53

    1.50 ct. Natural Diamonds Double Halo Ring in 10K White Gold.

    Est.
    $2,979 - $4,158
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $100
  • 2.12 ct. Natural Round Diamonds Screw Back Earrings in 14K Yellow Gold
    Estimate
    $3,995 - $5,190
    Lot 54

    2.12 ct. Natural Round Diamonds Screw Back Earrings in 14K Yellow Gold

    Est.
    $3,995 - $5,190
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $100
  • GIA 3.51 ct. Natural Round Diamonds Cluster Ring in 14k Yellow Gold
    Estimate
    $10,795 - $12,500
    Lot 55

    GIA 3.51 ct. Natural Round Diamonds Cluster Ring in 14k Yellow Gold

    Est.
    $10,795 - $12,500
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $1,000
  • 0.25 ct. Neil Lane Natural Round Diamonds Cross Over Wedding Band in 14K White Gold
    Estimate
    $1,297 - $1,689
    Lot 56

    0.25 ct. Neil Lane Natural Round Diamonds Cross Over Wedding Band in 14K White Gold

    Est.
    $1,297 - $1,689
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $100
  • 2.33 ct. Natural Round Diamonds Halo Ring in 14k White Gold
    Estimate
    $8,990 - $10,249
    Lot 57

    2.33 ct. Natural Round Diamonds Halo Ring in 14k White Gold

    Est.
    $8,990 - $10,249
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $1,000
  • Tiffany & Co. Woman's Wedding Band Set in Platinum
    Estimate
    $2,489 - $3,645
    Lot 58

    Tiffany & Co. Woman's Wedding Band Set in Platinum

    Est.
    $2,489 - $3,645
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $500
  • 0.40 ct. Chaumet Designer Natural Diamond Earrings in 18K Yellow Gold
    Estimate
    $5,749 - $7,129
    Lot 60

    0.40 ct. Chaumet Designer Natural Diamond Earrings in 18K Yellow Gold

    Est.
    $5,749 - $7,129
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $1,500
  • Cartier Mini Love Band Set in 18K White Gold
    Estimate
    $2,179 - $3,054
    Lot 61

    Cartier Mini Love Band Set in 18K White Gold

    Est.
    $2,179 - $3,054
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $750
  • GIA 3.37 ct. Natural Round Diamonds Wedding Ring  Set in Platinum
    Estimate
    $28,677 - $31,582
    Lot 62

    GIA 3.37 ct. Natural Round Diamonds Wedding Ring Set in Platinum

    Est.
    $28,677 - $31,582
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $2,500
  • Tiffany & Co Blue Topaz Smile Pendant Set in 18K White Gold
    Estimate
    $3,379 - $4,009
    Lot 63

    Tiffany & Co Blue Topaz Smile Pendant Set in 18K White Gold

    Est.
    $3,379 - $4,009
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $750
  • GIA 35.44 ct. Oval Cut Kunzite & Diamond Cocktail Ring Set in Platinum
    Estimate
    $13,750 - $16,350
    Lot 64

    GIA 35.44 ct. Oval Cut Kunzite & Diamond Cocktail Ring Set in Platinum

    Est.
    $13,750 - $16,350
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $2,500
  • GIA 2.10 ct. Colombian Emerald Ballerina Ring Set in Platinum
    Estimate
    $6,625 - $8,019
    Lot 65

    GIA 2.10 ct. Colombian Emerald Ballerina Ring Set in Platinum

    Est.
    $6,625 - $8,019
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $1,750
  • 2.58 ct. Mikimoto Ruby & Diamond Designer Ring Set in Platinum
    Estimate
    $16,989 - $19,794
    Lot 66

    2.58 ct. Mikimoto Ruby & Diamond Designer Ring Set in Platinum

    Est.
    $16,989 - $19,794
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $2,500
  • GIA 3.49 ct. Colombia Emerald & Diamond Fashion Ring Set in Platinum
    Estimate
    $12,429 - $14,925
    Lot 67

    GIA 3.49 ct. Colombia Emerald & Diamond Fashion Ring Set in Platinum

    Est.
    $12,429 - $14,925
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $2,500
  • Cartier Lanieres Designer Wedding Band in 18K White Gold
    Estimate
    $2,590 - $3,479
    Lot 68

    Cartier Lanieres Designer Wedding Band in 18K White Gold

    Est.
    $2,590 - $3,479
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $500
  • 1.51 ct. Natural Emerald & Diamond Flower Ring Set in 14K White Gold
    Estimate
    $3,090 - $4,620
    Lot 69

    1.51 ct. Natural Emerald & Diamond Flower Ring Set in 14K White Gold

    Est.
    $3,090 - $4,620
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $750
  • GIA 2.85 ct. Southern Cross Designer Burma Ruby & Diamond Ring in 18K Yellow Gold
    Estimate
    $10,970 - $13,579
    Lot 70

    GIA 2.85 ct. Southern Cross Designer Burma Ruby & Diamond Ring in 18K Yellow Gold

    Est.
    $10,970 - $13,579
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $2,500
  • Men's 9.5" 18.0 MM Cuban Link Bracelet in 14k Yellow Gold  (218 Grams)
    Estimate
    $53,750 - $62,350
    Lot 71

    Men's 9.5" 18.0 MM Cuban Link Bracelet in 14k Yellow Gold (218 Grams)

    Est.
    $53,750 - $62,350
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $18,500
  • GIA 2.13 ct. Natural Round Loose Brilliant Diamond I, SI-2
    Estimate
    $14,789 - $16,521
    Lot 72

    GIA 2.13 ct. Natural Round Loose Brilliant Diamond I, SI-2

    Est.
    $14,789 - $16,521
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $2,500
  • GIA 1.71 ct. Natural Emerald Cut Loose Diamond H, SI-1
    Estimate
    $8,700 - $10,220
    Lot 73

    GIA 1.71 ct. Natural Emerald Cut Loose Diamond H, SI-1

    Est.
    $8,700 - $10,220
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $500
  • Alien Head Staff From "Tula Mexico" Archaeological Find (37370 Years Old)
    Estimate
    $150,000 - $250,000
    Lot 73

    Alien Head Staff From "Tula Mexico" Archaeological Find (37370 Years Old)

    Est.
    $150,000 - $250,000
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $1,000
  • 2.00 ct. Natural Round Diamond Screw Back Earrings in 14k Yellow Gold
    Estimate
    $10,492 - $13,290
    Lot 75

    2.00 ct. Natural Round Diamond Screw Back Earrings in 14k Yellow Gold

    Est.
    $10,492 - $13,290
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $500
  • GIA 1.92 ct. Natural Radiant Diamond Wedding Ring Set in 18K White Gold (TACORI)
    Estimate
    $14,790 - $16,490
    Lot 76

    GIA 1.92 ct. Natural Radiant Diamond Wedding Ring Set in 18K White Gold (TACORI)

    Est.
    $14,790 - $16,490
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $2,500
  • 3.15 ct. Natural Emerald & Diamonds Ring in 14K Yellow Gold
    Estimate
    $6,395 - $8,295
    Lot 77

    3.15 ct. Natural Emerald & Diamonds Ring in 14K Yellow Gold

    Est.
    $6,395 - $8,295
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $500
  • 1.28 ct. Natural Oval Sapphire & Diamond Ring set in 14k Yellow Gold
    Estimate
    $2,549 - $3,790
    Lot 78

    1.28 ct. Natural Oval Sapphire & Diamond Ring set in 14k Yellow Gold

    Est.
    $2,549 - $3,790
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $100
  • 2.00 ct. Natural Round Diamond Solitaire Ring in 10k Yellow Gold
    Estimate
    $14,875 - $17,255
    Lot 79

    2.00 ct. Natural Round Diamond Solitaire Ring in 10k Yellow Gold

    Est.
    $14,875 - $17,255
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $2,500
  • GIA 9.19 ct. No Heat Sapphire & Diamond Cocktail Ring in 14k White Gold
    Estimate
    $36,880 - $45,790
    Lot 80

    GIA 9.19 ct. No Heat Sapphire & Diamond Cocktail Ring in 14k White Gold

    Est.
    $36,880 - $45,790
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $8,500
  • Tacori 7.0 MM Designer Gents Band in 18K White Gold
    Estimate
    $4,170 - $5,012
    Lot 81

    Tacori 7.0 MM Designer Gents Band in 18K White Gold

    Est.
    $4,170 - $5,012
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $1,000
  • 0.75 ct. Natural Round Diamonds Engagement & Wedding Ring Set in 14k Yellow Gold
    Estimate
    $2,879 - $3,599
    Lot 82

    0.75 ct. Natural Round Diamonds Engagement & Wedding Ring Set in 14k Yellow Gold

    Est.
    $2,879 - $3,599
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $100
  • GIA 2.59 ct. Natural Round Diamond Solitaire Ring in 10k Yellow Gold
    Estimate
    $24,475 - $27,911
    Lot 83

    GIA 2.59 ct. Natural Round Diamond Solitaire Ring in 10k Yellow Gold

    Est.
    $24,475 - $27,911
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $7,500
  • 2.50 ct. Natural Round Diamonds Engagement Ring & Wedding Band in 14k White Gold
    Estimate
    $17,750 - $22,245
    Lot 84

    2.50 ct. Natural Round Diamonds Engagement Ring & Wedding Band in 14k White Gold

    Est.
    $17,750 - $22,245
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $500
  • GIA 1.51 ct. Natural Cushion Modified Loose Diamond E, VS1
    Estimate
    $8,090 - $9,249
    Lot 86

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

    Est.
    $8,090 - $9,249
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $2,500
  • GIA 1.50 ct. No Oil Colombian Emerald & Diamond Ring Set in 18K White Gold
    Estimate
    $26,751 - $31,847
    Lot 87

    GIA 1.50 ct. No Oil Colombian Emerald & Diamond Ring Set in 18K White Gold

    Est.
    $26,751 - $31,847
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $5,000
  • GIA 1.01 ct. Natural Emerald Cut Loose Diamond I, VS2
    Estimate
    $3,580 - $4,750
    Lot 88

    GIA 1.01 ct. Natural Emerald Cut Loose Diamond I, VS2

    Est.
    $3,580 - $4,750
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $500
  • GSI 1.80 ct. Natural Princess Cut Halo Diamond Ring in 14k White Gold
    Estimate
    $10,794 - $13,672
    Lot 89

    GSI 1.80 ct. Natural Princess Cut Halo Diamond Ring in 14k White Gold

    Est.
    $10,794 - $13,672
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $500
  • 28" 11.5 mm Monaco Figaro 3+1 Chain & Diamond Lock in 14K Yellow Gold
    Estimate
    $15,004 - $11,800
    Lot 90

    28" 11.5 mm Monaco Figaro 3+1 Chain & Diamond Lock in 14K Yellow Gold

    Est.
    $15,004 - $11,800
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $2,500
  • GIA 2.40 ct. Madagascar Sapphire & Diamond Ring Set In 18K Yellow Gold
    Estimate
    $7,487 - $8,985
    Lot 91

    GIA 2.40 ct. Madagascar Sapphire & Diamond Ring Set In 18K Yellow Gold

    Est.
    $7,487 - $8,985
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $750
  • GIA 10.91 ct. Tanzanite & Diamond Cocktail Ring Set in 18k Yellow Gold
    Estimate
    $21,970 - $23,889
    Lot 92

    GIA 10.91 ct. Tanzanite & Diamond Cocktail Ring Set in 18k Yellow Gold

    Est.
    $21,970 - $23,889
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $500
  • 1.87 ct. Natural Colombian Emeralds & Diamonds Ring in 14k White Gold
    Estimate
    $3,790 - $5,460
    Lot 93

    1.87 ct. Natural Colombian Emeralds & Diamonds Ring in 14k White Gold

    Est.
    $3,790 - $5,460
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $500
  • 10.00 ct. Natural Round Diamond Tennis Bracelet in 14k White Gold
    Estimate
    $25,570 - $28,740
    Lot 94

    10.00 ct. Natural Round Diamond Tennis Bracelet in 14k White Gold

    Est.
    $25,570 - $28,740
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $2,500
  • 1.10 ct. Blue Sapphire's & Diamonds Cross Pendant With Chain Set in 14k White gold
    Estimate
    $4,250 - $5,030
    Lot 95

    1.10 ct. Blue Sapphire's & Diamonds Cross Pendant With Chain Set in 14k White gold

    Est.
    $4,250 - $5,030
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $1,500

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.