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Loose 12.65 CT Quartz — auction comparables · Snaplot Comparables
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Comparables
10,000
Median
£154
Suggested estimate
£80 – £200
25–75% range
£85 – £281
Overall range
£1 – £75,347
Distribution
£20
£160
£320
£460
£600
Sell-through
98%
of lots sold
0%
at premier salerooms
Trend
↗ rising +75% over 8y
Median from
19,746
sold in the last 36 months
·
hammer prices, excl. buyer's premium — fair-market auction value (retail/insurance replacement runs higher)
10,000
comparables for
“Loose 12.65 CT Quartz”
· page 1 of 417
Cite comps
CSV
· Oct 2025
Loose 12.65 CT Quartz
US$10
· Oct 2025
Loose 12.65 CT Quartz
1
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417
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US$10
Jewellery & Gems
· Apr 2026
Loose 12.25 CT Ruby
US$425
est
US$22
–
—
· Apr 2026
Loose 12.25 CT Ruby
US$425
est
US$22
–
—
Jewellery & Gems
· Jan 2026
Loose 15.65 CTW Smoky Quartz Lot
US$45
est
US$45
–
—
· Jan 2026
Loose 15.65 CTW Smoky Quartz Lot
US$45
est
US$45
–
—
Jewellery & Gems
· Nov 2025
Loose 19.65 CT Tourmaline
US$525
est
US$231
–
—
· Nov 2025
Loose 19.65 CT Tourmaline
US$525
est
US$231
–
—
Jewellery & Gems
· Oct 2016
Lemon quartz – 19.65 ct
€5,500
est
€5,500
–
—
· Oct 2016
Lemon quartz – 19.65 ct
€5,500
est
€5,500
–
—
Jewellery & Gems
· Feb 2026
Loose 14.65 CT Moissanite
US$150
est
US$140
–
—
· Feb 2026
Loose 14.65 CT Moissanite
US$150
est
US$140
–
—
Jewellery & Gems
· Jan 2026
Loose 12.05 CT Beryl
US$55
est
US$55
–
—
· Jan 2026
Loose 12.05 CT Beryl
US$55
est
US$55
–
—
Jewellery & Gems
· Dec 2025
Loose 13.65 CT Aquamarine
US$22
est
US$1
–
—
· Dec 2025
Loose 13.65 CT Aquamarine
US$22
est
US$1
–
—
Jewellery & Gems
· Oct 2025
Loose 12.69 CT Amethyst
US$30
est
US$12
–
—
· Oct 2025
Loose 12.69 CT Amethyst
US$30
est
US$12
–
—
Jewellery & Gems
· Oct 2025
Loose 17.65 CT Aquamarine
US$81
est
US$13
–
—
· Oct 2025
Loose 17.65 CT Aquamarine
US$81
est
US$13
–
—
Jewellery & Gems
· Oct 2013
12.65 ct. azotic multicolor mystic quartz gemstone
US$10
est
US$10
–
—
· Oct 2013
12.65 ct. azotic multicolor mystic quartz gemstone
US$10
est
US$10
–
—
Jewellery & Gems
· Nov 2016
Lemon Quartz – 16.65 ct
€2,600
est
€2,600
–
—
· Nov 2016
Lemon Quartz – 16.65 ct
€2,600
est
€2,600
–
—
Jewellery & Gems
· Oct 2016
Rutilated quartz – 12.15 ct
€2,000
est
€2,000
–
—
· Oct 2016
Rutilated quartz – 12.15 ct
€2,000
est
€2,000
–
—
Jewellery & Gems
· Sept 2016
Lemon quartz – 14.65 ct
€3,000
est
€3,000
–
—
· Sept 2016
Lemon quartz – 14.65 ct
€3,000
est
€3,000
–
—
Jewellery & Gems
· Sept 2016
Lemon quartz - 12.95 ct
€2,500
est
€2,500
–
—
· Sept 2016
Lemon quartz - 12.95 ct
€2,500
est
€2,500
–
—
Jewellery & Gems
· Sept 2016
Rose quartz – 12.05 ct.
€1,500
est
€1,500
–
—
· Sept 2016
Rose quartz – 12.05 ct.
€1,500
est
€1,500
–
—
Jewellery & Gems
· Jul 2016
Lemon Quartz - 12.05 ct
€2,500
est
€2,500
–
—
· Jul 2016
Lemon Quartz - 12.05 ct
€2,500
est
€2,500
–
—
Jewellery & Gems
· Jun 2016
Lemon quartz 12.05 ct
€1,200
est
€1,200
–
—
· Jun 2016
Lemon quartz 12.05 ct
€1,200
est
€1,200
–
—
Jewellery & Gems
· Apr 2016
Smoky quartz - 12.95 ct
€1,500
est
€1,500
–
—
· Apr 2016
Smoky quartz - 12.95 ct
€1,500
est
€1,500
–
—
Jewellery & Gems
· Mar 2016
Lemon quartz, 15.65 ct
€3,100
est
€3,100
–
—
· Mar 2016
Lemon quartz, 15.65 ct
€3,100
est
€3,100
–
—
Jewellery & Gems
· Nov 2015
Quartz of 12.25 ct.
€8,000
est
€8,000
–
—
· Nov 2015
Quartz of 12.25 ct.
€8,000
est
€8,000
–
—
Jewellery & Gems
· Apr 2026
Loose 12.64 CT Lab Grown Ruby
US$30
est
US$30
–
—
· Apr 2026
Loose 12.64 CT Lab Grown Ruby
US$30
est
US$30
–
—
Jewellery & Gems
· Sept 2014
Unknown Loose Stone 14.65 ct
US$35
est
US$35
–
—
· Sept 2014
Unknown Loose Stone 14.65 ct
US$35
est
US$35
–
—
Jewellery & Gems
· Aug 2025
Loose 34.75 CT Quartz
US$70
est
US$55
–
—
· Aug 2025
Loose 34.75 CT Quartz
US$70
est
US$55
–
—
Glass
