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

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Designer Jewelry , GIA Loose Diamonds & Alien Artifacts

Start: Jul 12, 2026 12:00PM EDT

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View Catalog (135)

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 to be approved to bid**. Any Bidders with *Red Flags* Will Not Be Allowed to attend any of our Auctions.

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Alien Head Carved Sculpture From "Tula Mexico" Archaeological Find

Lot 1

Alien Head Carved Sculpture From "Tula Mexico" Archaeological Find

Estimate

$150,000 - $200,000

29 Bids

Unsold

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David Yurman 2.5 MM Wedding Band in 18K Yellow Gold

Lot 2

David Yurman 2.5 MM Wedding Band in 18K Yellow Gold

Estimate

$1,549 - $2,279

Unsold

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

Lot 3

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

Estimate

$8,854 - $9,590

24 Bids

Unsold

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Cartier Wedding Band in Platinum

Lot 4

Cartier Wedding Band in Platinum

Estimate

$1,789 - $2,357

Unsold

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

Lot 5

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

Estimate

$11,970 - $13,120

5 Bids

Unsold

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

Lot 6

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

Estimate

$16,695 - $19,875

Unsold

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

Lot 7

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

Estimate

$16,349 - $18,790

29 Bids

Sold for

$7,100

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

Lot 8

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

Estimate

$12,500 - $14,500

8 Bids

Sold for

$6,225

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Woman's Fancy Gold Ring in 14K Yellow Gold

Lot 9

Woman's Fancy Gold Ring in 14K Yellow Gold

Estimate

$749 - $1,175

1 Bid

Unsold

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GIA 1.55 ct. Brazilian Tourmaline Cocktail Ring Set In Platinum

Lot 10

GIA 1.55 ct. Brazilian Tourmaline Cocktail Ring Set In Platinum

Estimate

$7,589 - $10,549

Unsold

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Woman's Two Face's Fancy Ring in 14K Yellow Gold

Lot 11

Woman's Two Face's Fancy Ring in 14K Yellow Gold

Estimate

$799 - $1,229

Unsold

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

Lot 12

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

Estimate

$3,195 - $4,790

Unsold

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Woman's Fancy Belt Buckle Ring in 14K Two Tone Gold

Lot 13

Woman's Fancy Belt Buckle Ring in 14K Two Tone Gold

Estimate

$679 - $1,095

Unsold

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Woman's Fancy Ring in 14K Two Tone Gold

Lot 14

Woman's Fancy Ring in 14K Two Tone Gold

Estimate

$699 - $1,079

Unsold

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GIA 2.14 ct. Extremely Rare Natural Color Change Russian Alexandrite

Lot 15

GIA 2.14 ct. Extremely Rare Natural Color Change Russian Alexandrite

Estimate

$203,300 - $224,700

Unsold

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

Lot 16

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

Estimate

$37,985 - $41,381

Unsold

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Women's Hearts Eternity Ring in 14K Yellow Gold

Lot 17

Women's Hearts Eternity Ring in 14K Yellow Gold

Estimate

$989 - $1,456

Unsold

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Woman's Foot Prints Eternity Ring In 14K Yellow Gold

Lot 18

Woman's Foot Prints Eternity Ring In 14K Yellow Gold

Estimate

$829 - $1,390

Unsold

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David Yurman Wedding Band in 18K Yellow Gold

Lot 20

David Yurman Wedding Band in 18K Yellow Gold

Estimate

$2,589 - $3,290

Sold for

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

Lot 21

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

Estimate

$4,472 - $5,367

Sold for

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Cartier Love Ring in 18K White Gold

Lot 22

Cartier Love Ring in 18K White Gold

Estimate

$2,759 - $3,549

Unsold

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Cartier Love Bangle in 18K White Gold

Lot 23

Cartier Love Bangle in 18K White Gold

Estimate

$8,249 - $10,779

1 Bid

Sold for

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

Lot 24

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

Estimate

$9,475 - $10,789

Unsold

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Woman's Fancy Dolphin Ring in 14K Tri Color Gold

Lot 25

Woman's Fancy Dolphin Ring in 14K Tri Color Gold

Estimate

$699 - $1,099

Unsold

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Woman's Fancy Dolphin Ring in 14K Two Tone Gold

Lot 26

Woman's Fancy Dolphin Ring in 14K Two Tone Gold

Estimate

$1,288 - $1,729

Unsold

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

Lot 27

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

Estimate

$23,833 - $26,579

Unsold

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Woman's Fancy Elephant Ring in 14K Two Tone Gold

Lot 28

Woman's Fancy Elephant Ring in 14K Two Tone Gold

Estimate

$729 - $1,279

Unsold

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Woman's Fancy Snake Ring in 14K Yellow Gold

Lot 29

Woman's Fancy Snake Ring in 14K Yellow Gold

Estimate

$1,175 - $1,599

Unsold

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Tacori 5.0 MM Wedding Band in 18K Two Tone Gold

Lot 30

Tacori 5.0 MM Wedding Band in 18K Two Tone Gold

Estimate

$3,290 - $4,679

Unsold

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

Lot 31

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

Estimate

$6,482 - $9,790

Unsold

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Tacori 6.0 MM Wedding Band in 18K White Gold

Lot 32

Tacori 6.0 MM Wedding Band in 18K White Gold

Estimate

$3,859 - $4,560

Unsold

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

Lot 33

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

Estimate

$22,595 - $25,879

Unsold

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Tacori 6.0 MM Designer Wedding Band in 18K White Gold

Lot 34

Tacori 6.0 MM Designer Wedding Band in 18K White Gold

Estimate

$4,074 - $4,959

Unsold

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

Lot 35

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

Estimate

$4,745 - $6,195

Unsold

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

Lot 36

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

Estimate

$3,885 - $4,759

Unsold

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

Lot 37

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

Estimate

$21,475 - $24,911

Unsold

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

Lot 38

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

Estimate

$21,995 - $23,579

Sold for

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

Lot 39

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

Estimate

$31,500 - $35,750

Unsold

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

Lot 40

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

Estimate

$1,789 - $2,379

Unsold

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

Lot 41

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

Estimate

$2,259 - $3,470

Unsold

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Wayland dolphins diamonds and pearl earrings in 18 karat white gold

Lot 42

Wayland dolphins diamonds and pearl earrings in 18 karat white gold

Estimate

$2,589 - $3,475

Unsold

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

Lot 43

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

Estimate

$4,879 - $5,725

Unsold

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

Lot 44

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

Estimate

$1,598 - $2,280

Unsold

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

Lot 45

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

Estimate

$1,589 - $2,071

Unsold

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

Lot 46

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

Estimate

$6,875 - $8,729

Unsold

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

Lot 47

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

Estimate

$2,089 - $2,880

Unsold

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

Lot 48

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

Estimate

$12,889 - $15,675

Unsold

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AGLS 4.75 ct. Loose Natural Padparadscha Sapphire

Lot 49

AGLS 4.75 ct. Loose Natural Padparadscha Sapphire

Estimate

$78,743 - $83,125

Unsold

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Contact

727-558-0487
reservestockjewelers@gmail.com
7217 Gulf Boulevard,
St Pete Beach,
Florida 33706