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

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

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

Cartier Wedding Band in Platinum

Lot 4

Cartier Wedding Band in Platinum

Estimate

$1,789 - $2,357

Unsold

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

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

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

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

Woman's Fancy Gold Ring in 14K Yellow Gold

Lot 9

Woman's Fancy Gold Ring in 14K Yellow Gold

Estimate

$749 - $1,175

9 Bids

Unsold

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

12 Bids

Unsold

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

6 Bids

Unsold

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

12 Bids

Unsold

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

6 Bids

Unsold

Woman's Fancy Ring in 14K Two Tone Gold

Lot 14

Woman's Fancy Ring in 14K Two Tone Gold

Estimate

$699 - $1,079

7 Bids

Unsold

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

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

10 Bids

Unsold

Women's Hearts Eternity Ring in 14K Yellow Gold

Lot 17

Women's Hearts Eternity Ring in 14K Yellow Gold

Estimate

$989 - $1,456

9 Bids

Unsold

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

6 Bids

Unsold

David Yurman Wedding Band in 18K Yellow Gold

Lot 20

David Yurman Wedding Band in 18K Yellow Gold

Estimate

$2,589 - $3,290

Unsold

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

8 Bids

Unsold

Cartier Love Ring in 18K White Gold

Lot 22

Cartier Love Ring in 18K White Gold

Estimate

$2,759 - $3,549

19 Bids

Unsold

Cartier Love Bangle in 18K White Gold

Lot 23

Cartier Love Bangle in 18K White Gold

Estimate

$8,249 - $10,779

21 Bids

Unsold

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

13 Bids

Unsold

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

7 Bids

Unsold

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

6 Bids

Unsold

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

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

6 Bids

Unsold

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

5 Bids

Unsold

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

7 Bids

Unsold

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

16 Bids

Unsold

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

10 Bids

Unsold

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

$52,595 - $75,879

Unsold

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

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

8 Bids

Unsold

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

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

30 Bids

Unsold

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

6 Bids

Unsold

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

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

9 Bids

Unsold

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

15 Bids

Unsold

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

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

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

15 Bids

Unsold

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

9 Bids

Unsold

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

11 Bids

Unsold

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

8 Bids

Unsold

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

10 Bids

Unsold

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