Diamond Rarity

Auction sales

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IDGradeLot / stoneCaratsClaritySaleRealisedUSD / ctStatusSources
A52Fancy Vivid Pink
Williamson Pink Star
Williamson mine, Tanzania; not Argyle. Record-scale trophy, type IIa; published exact house USD total.
11.15 ctIF
Sotheby's
Hong Kong · 7 Oct 2022
HKD 453,223,000
$57,736,078 · Auction-house USD equivalent
$5.18MIncludedlot
A437Fancy Vivid Blue
Blue Moon of Josephine
Exact CHF price and sale date from Guinness record, cross-checked with Sotheby’s published USD 48,468,158 result. GIA weight is 12.03 ct. Local CHF verification: https://www.guinnessworldrecords.es/world-records/most-expensive-diamond-per-carat
12.03 ctInternally Flawless
Sotheby's
Geneva · 11 Nov 2015
CHF 48,634,000
$48,468,158 · USD as reported
$4.03MIncludedlot · result
A12Fancy Vivid Blue
Oppenheimer Blue
Exceptional provenance and size; ring with side diamonds.
14.62 ctVVS1
Christie's
Geneva · 18 May 2016
CHF 56,837,000
$57,541,779 · Auction-house USD equivalent
$3.94MIncludedlot · result
A18Fancy Vivid Green
A SUPERB COLOURED DIAMOND RING
Aurora Green; GIA supplemental letter expressly confirms natural color. Pink pavé surround included in lot. Original lot recovered; same transaction already recorded as A18, updated in place and not counted as a new addition.
5.03 ctVS2
Christie's
Hong Kong · 31 May 2016
HKD 130,040,000
$16,818,981 · USD as reported
$3.34MIncludedlot · result
A419Fancy Vivid Blue
De Beers Millennium Jewel 4
GIA report updated 10 March 2016. Ring includes about 1.80 ct of colorless diamonds.
10.10 ctInternally Flawless
Sotheby's
Hong Kong · 5 Apr 2016
HKD 248,280,000
$32,009,695 · FRED local units per USD; sale date
$3.17MIncludedlot · result · fx
A28Fancy Vivid Blue-green
Ocean Dream — 2026
Latest sale of same stone as A29; substantial repeat-sale effect.
5.50 ctSI1
Christie's
Geneva · 13 May 2026
CHF 13,567,500
$17,366,400 · Auction-house USD equivalent
$3.16MIncludedlot · result
A420Fancy Vivid Blue
Apollo Blue / Memory of Autumn Leaves
Blue earring sold as its own lot, separately from Artemis Pink. Only the blue lot price is used, not the combined pair total.
14.54 ctInternally Flawless
Sotheby's
Geneva · 16 May 2017
CHF 41,862,500
$42,379,530 · FRED local units per USD; sale date
$2.91MIncludedlot · result · fx
A30Fancy Purplish red
Oval purplish-red brooch
Exact grade from top-lot table; jewelry and accent stones included.
1.78 ctSI2
Christie's
Hong Kong · 26 May 2026
HKD 39,540,000
$5,045,822 · Auction-house USD equivalent
$2.83MIncludedlot
A08Fancy Red
Argyle Phoenix
Argyle provenance; trophy sale. I2 clarity confirmed in GIA 2025 Winston Red study, source G5.
1.56 ctI2
Phillips
Geneva · 13 May 2024
CHF 3,811,000
$4,203,152 · Auction-house USD equivalent
$2.69MIncludedlot · result
A292Fancy Vivid Pink
THE PINK LEGACY A SENSATIONAL COLOURED DIAMOND RING
Whole-lot price divided by target colored carat weight; mounting, accents and signature are included. Natural color origin not explicitly repeated in the accessible catalog; retained as a qualified catalog observation, not a verified natural-color sample.
18.96 ctVS1
Christie's
Geneva · 13 Nov 2018
CHF 50,375,000
$49,960,329 · FRED local units per USD; sale date
$2.64MQualifiedlot · fx
A01Fancy Vivid Orange
The Orange
Exceptional record-scale stone; not a normal orange price.
14.82 ctVS1
Christie's
Geneva · 12 Nov 2013
CHF 32,645,000
$35,540,612 · Auction-house USD equivalent
$2.40MIncludedlot · result
A418Fancy Vivid Blue
7.32 ct Blue diamond
Published whole-lot result divided by target diamond carats; setting and accent value is not deducted.
7.32 ctInternally Flawless
Sotheby's
Geneva · 17 May 2016
CHF 16,714,000
$17,123,246 · FRED local units per USD; sale date
$2.34MIncludedlot · result · fx
A417Fancy Vivid Blue
The Sky Blue Diamond — Cartier ring
Published whole-lot result divided by target diamond carats; setting and accent value is not deducted.
8.01 ctVVS1
Sotheby's
Geneva · 16 Nov 2016
CHF 17,112,500
$17,080,048 · FRED local units per USD; sale date
$2.13MIncludedlot · result · fx
A585Fancy Deep Blue
EXCEPTIONAL COLOURED DIAMOND, DIAMOND AND RUBY BALLERINA RING, MOUNTED BY BOUCHERON
Boucheron ballerina ring includes ruby and baguette accents. Potential IF not achieved clarity.
6.24 ctVVS2
Christie's
Geneva · 14 May 2025
CHF 10,640,000
$12,671,192 · FRED local units per USD; sale date
$2.03MIncludedlot · fx
A82Fancy Vivid Pink
Exceptional Fancy Vivid Pink diamond ring
Whole-lot price divided by target colored carat weight; mounting, accents and signature are included.
6.21 ctVS1
Phillips
Geneva · 13 May 2024
CHF 10,869,500
$11,977,410 · FRED local units per USD; sale date
$1.93MIncludedlot · fx
A37Fancy Vivid Purple-pink
The Sakura
Record-scale vivid purple-pink; not pure purple.
15.81 ctIF; potentially FL
Christie's
Hong Kong · 23 May 2021
HKD 226,275,000
$29,285,318 · Auction-house USD equivalent
$1.85MIncludedlot
A302Fancy Vivid Blue
AN EXCEPTIONAL COLOURED DIAMOND AND DIAMOND RING
Whole-lot price divided by target colored carat weight; mounting, accents and signature are included. Natural color origin not explicitly repeated in the accessible catalog; retained as a qualified catalog observation, not a verified natural-color sample.
3.51 ctVS2
Christie's
Hong Kong · 27 Nov 2023
HKD 50,227,000
$6,445,970 · FRED local units per USD; sale date
$1.84MQualifiedlot · fx
A13Fancy Vivid Blue
Pear vivid blue ring
Colored center in diamond surround; house result and grade.
4.83 ctIF
Christie's
Hong Kong · 28 May 2023
HKD 68,925,000
$8,841,313 · Auction-house USD equivalent
$1.83MIncludedlot
A286Fancy Vivid Blue
THE BLUE
Whole-lot price divided by target colored carat weight; mounting, accents and signature are included. GIA number retained here is for the blue target.
13.22 ctFL
Christie's
Geneva · 14 May 2014
CHF 21,445,000
$23,795,372 · Auction-house reported USD equivalent
$1.80MIncludedlot · result
A338Fancy Deep Blue
Bulgari Trombino blue diamond ring
Bonhams catalog/result reproduced in archived PDF; live lot unavailable. GIA explicitly states natural color. About 2.00 ct colorless accents and signed mount; qualified for archived source and whole-lot allocation.
5.30 ctVS2
Bonhams
London · 24 Apr 2013
GBP 6,201,250
$9,461,867 · FRED USD per local unit; sale date
$1.79MQualifiedlot · fx
A416Fancy Deep Blue
7.74 ct Blue diamond
Published whole-lot result divided by target diamond carats; setting and accent value is not deducted.
7.74 ctVVS1
Sotheby's
Geneva · 16 Nov 2016
CHF 13,737,500
$13,711,448 · FRED local units per USD; sale date
$1.77MIncludedlot · result · fx
A09Fancy Red
Rectangular red ring
Sale release USD3,251,625 used; year-end release says USD3,252,675. Printed per-ct figure also inconsistent; recomputed.
1.92 ctVS2
Christie's
Geneva · 15 May 2013
CHF 3,147,750
$3,251,625 · Auction-house USD equivalent
$1.69MIncludedlot · result
A293Fancy Deep Blue
EXCEPTIONAL COLOURED DIAMOND AND DIAMOND RING, MOUSSAIEFF
Whole-lot price divided by target colored carat weight; mounting, accents and signature are included. Natural color origin not explicitly repeated in the accessible catalog; retained as a qualified catalog observation, not a verified natural-color sample.
7.03 ctVVS2
Christie's
Geneva · 12 Nov 2019
CHF 11,625,000
$11,708,128 · FRED local units per USD; sale date
$1.67MQualifiedlot · fx
A297Fancy Vivid Purplish pink
COLORED DIAMOND AND DIAMOND RING
Whole-lot price divided by target colored carat weight; mounting, accents and signature are included.
2.17 ctSI1
Christie's
New York · 13 Apr 2021
USD 3,510,000
$3,510,000 · USD as reported
$1.62MIncludedlot
A17Fancy Vivid Blue
Marquise vivid blue ring
GIA report recovered from Christie’s New York 9 June 2026 catalog, lot 51, PDF page 39. Natural Fancy Vivid Blue, VVS2; potentially IF is not the current clarity grade. Published sold result retained.
5.04 ctNot captured
Christie's
New York · 9 Jun 2026
USD 8,127,000
$8,127,000 · USD as reported
$1.61MIncludedlot · result
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