Results for “Untreated Sapphire”

Est. $250-$500

1.72g Natural Opal Stone Sterling Silver 925 Necklace (Pendant with Chain) , 339E

Featured

4 days Left

14.18Ct Blue Boulder Opal - Australian Opal , 76E

Est. $110-$220

$10(1 bid)

Featured

3 days Left

Est. $90-$180

72.18Ct Pietersite Slab - Gemstone Crystal - Freeform Slice, 428B

Featured

2 days Left

Est. $50-$100

PT950 natural untreated sapphire ring

Apr 10, 2026

TOISHINSEI Co., Ltd.

Est. $8,000-$16,000

$3,000

4 days Left

18K White Gold Ladies Ring with 2.12ct GIA Certified Untreated Sapphire and 0.67tcw Adjacent

Riverside Galleries

Est. $21,250-$25,990

$50

13 hrs Left

18K White Gold Ladies Ring with 2.12ct GIA Certified Untreated Sapphire and 0.67tcw Adjacent

Riverside Galleries

Est. $21,250-$25,990

$50

Buy Now

GIA Certified 2.10 ct. Untreated Blue Sapphire - SRI LANKA

Kissing Auction

$2,000

Buy Now

GIA Certified 1.03 ct. Untreated Blue Sapphire - MADAGASCAR

Kissing Auction

$1,000

Ends in 14h 1m

Beautiful 2.34ct Unheated Untreated Natural Ceylon Yellow Sapphire Diamonds & 950 Platinum

Beautiful 2.40ct Unheated Untreated Natural Ceylon Yellow Sapphire Diamonds & 950 Platinum

Est. —

£1,000

Ends in 14h 2m

Beautiful Unheated Untreated Natural Ceylon Yellow Sapphire Diamonds & 18k Gold

Est. —

£900

Ends in 14h 18m

1.27Ct Welo Opal Polished - Ethiopian Opal , 606E

Est. —

£750

Featured

4 days Left

*12.41Ct Welo Opal Polished - Ethiopian Opal, 823B

Est. $30-$60

$10(1 bid)

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3 days Left

*4.54Ct Welo Opal Polished - Ethiopian Opal, 287B

Est. $250-$500

$15(2 bids)

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2 days Left

*11.95Ct Welo Opal Polished - Ethiopian Opal, 1115B

Est. $110-$220

$10(1 bid)

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4 days Left

Est. $230-$460

Unheated Untreated 3.87 CT Natural Ceylon Purple Sapphire Diamonds & 18k Gold

Ends in 14h 25m

Natural Purple Violet Oval Shape Polished Untreated Sapphire Cabochon for Custom Jewelry and

Est. —

£1,400

2026

Chairish Auctions

Est. $450-$550

Buy Now for $370.00

Apr 26, 2026

3.20 ct Untreated Intense Purplish Pink Sapphire, Cushion Cut, ALGT Certified

Chan & Scott Auction House

Est. $6,000-$9,500

$340

Apr 26, 2026

Natural 3.62 ct Purplish Pink Sapphire, Oval Mixed Cut, Untreated – ALGT Certified

Chan & Scott Auction House

Est. $900-$1,400

$200

Apr 26, 2026

Black Sapphire Lot 60 Faceted Stones 21,65 Carat Untreated

Chan & Scott Auction House

Est. $80-$120

$40

Apr 04, 2026

Sapphire 17.29Ct Natural Untreated Sapphire Gemstone 2 PCS 15.7x12x4.3MM, 227B

18CTS 81Pcs Box Natural Blue Sapphire Untreated Round Cut 3-3.6mm Gemstones (OT6923), 821A

Est. $30-$60

Apr 04, 2026

40.18Ct Natural Untreated Sapphire Lot - Madagascar Gemstone - Mix Cut Faceted OT7052, 878A

Est. $130-$260

Apr 04, 2026

*6.75Ct Welo Opal Polished - Ethiopian Opal , 105E

Est. $30-$60

Featured

3 days Left

Est. $210-$420

1.78Ct Natural Untreated Australia Fancy Sapphire Round Cut Lot, 243A

Apr 04, 2026

1.21Ct Natural Untreated Australia Fancy Sapphire Oval Cut Lot, 1167A

Est. $50-$100

Apr 04, 2026

Platinum Ring with 2.31ct GIA Ceylon No Heat Sapphire and Diamonds

Est. $50-$100

3 days Left

Diamond Depot

Est. $7,944-$9,613

$3,700

7 days Left

Platinum Ring with 2.31ct GIA Ceylon No Heat Sapphire and Diamonds

Bidhaus

Est. $6,341-$8,243

$3,700

3 days Left

6.79ct Star Sapphire and Diamond Cabochon Ring in Platinum

Diamond Depot

Est. $6,390-$7,731

$2,500

Ends in 14h 27m

3.55 CT Unheated/Untreated Ceylon Cornflour Blue Sapphire Diamonds & 18k Gold

3.13 CT Unheated/Untreated Ceylon Cornflour Blue Sapphire Diamonds & 18k Gold

Est. —

£1,500

Ends in 14h 21m

2.51 CT Unheated/Untreated Ceylon Cornflour Blue Sapphire Diamonds & 18k Gold

Est. —

£1,500

Ends in 14h 27m