Diamond Rarity
wheel / two-color grade · dominant Brown

Orange-brown

Group share
1%
Brown/orange group
Exact count
Not disclosed
GIA publishes group shares, not per-grade counts
Median USD per carat
$4.6k
n=16 included + 9 qualified · $1.9k–$40.1k · 1.47–66.4 ct · 1998–2026
Rarity-adjusted value
insufficient data
two-color grades have no published population
auction sales by intensity23 sales
  1. Fancy Deep$634/ct · 1.12 ct · 2026$2.0k/ct · 2.02 ct · 2025$2.0k/ct · 1.47 ct · 1998$3.0k/ct · 1.60 ct · 2004$4.3k/ct · 11.84 ct · 2024$6.0k/ct · 5.04 ct · 2025$9.8k/ct · 56.66 ct · 2018$40.1k/ct · 30.14 ct · 2013
  2. Fancy Vivid—
  3. Fancy Intense—
  4. Fancy$1.0k/ct · 1.06 ct · 2025$1.9k/ct · 2.07 ct · 2022$2.3k/ct · 4.16 ct · 2023$2.4k/ct · 3.14 ct · 2022$3.7k/ct · 3.40 ct · 2025$4.1k/ct · 2.02 ct · 2026$4.4k/ct · 1.04 ct · 1993$4.5k/ct · 4.20 ct · 2025$4.7k/ct · 8.02 ct · 2024$6.4k/ct · 12.73 ct · 1998$6.4k/ct · 6.01 ct · 2025$6.9k/ct · 3.02 ct · 2010$7.2k/ct · 66.40 ct · 2026$8.5k/ct · 2.84 ct · 2001$16.5k/ct · 6.06 ct · 2013
  5. Fancy Light—
price by intensity
IntensityIncluded nMedian $/ctMean $/ctLow – highSince 2020QualifiedStudy stonesShare of cohort
Fancy Light————————
Fancy10$4.6k$4.7k$1.9k – $7.2k$4.3k · n=8$4.4k · n=5——
Fancy Intense————————
Fancy Vivid————————
Fancy Deep4$7.9k$14.5k$2.0k – $40.1k$6.0k · n=1$2.5k · n=4——
methodologyshow
read before interpreting

Direction and -ish/balanced grades are not separately counted.

argyle context

No separate Argyle count established.

related grades
auction sales16 included · 9 qualified
IDIntensityLot / stoneCaratsClaritySaleRealisedUSD / ctStatusSources
A41Fancy
Octagonal orange-brown ring
Brown is dominant.
6.01 ctVS2
Phillips
New York · 8 Dec 2025
USD 38,700
$38,700 · USD as reported
$6.4kIncludedlot
A42Fancy
Rectangular orange-brown ring
Brown is dominant.
4.20 ctNot reported
Phillips
New York · 12 Jun 2025
USD 19,050
$19,050 · USD as reported
$4.5kIncludedlot
A79Fancy
Fancy Orange-Brown diamond ring
Whole-lot price divided by target colored carat weight; mounting, accents and signature are included.
2.02 ctVVS2
Phillips
Geneva · 15 May 2026
CHF 6,450
$8,198 · FRED local units per USD; sale date
$4.1kIncludedlot · fx
A193Fancy Dark
Fancy Dark Orange-Brown Diamond Ring
Whole-lot price divided by target colored carat weight; mounting, accents and signature are included.
3.01 ctSI1
Phillips
New York · 10 Jun 2026
USD 10,320
$10,320 · USD as reported
$3.4kIncludedlot
A212Fancy
A Fancy Orange-Brown Diamond, Diamond, and White Gold Ring
Whole-lot price divided by target colored carat weight; mounting, accents and signature are included.
2.07 ctI1
Phillips
New York · 6 Oct 2022
USD 4,032
$4,032 · USD as reported
$1.9kIncludedlot
A231Fancy Dark
A FANCY DARK ORANGE-BROWN DIAMOND AND DIAMOND RING
Whole-lot price divided by target colored carat weight; mounting, accents and signature are included.
1.65 ctI1
Christie's
Singapore · 4 Oct 1998
SGD 8,050
$4,772 · FRED local units per USD; prior business day
$2.9kIncludedlot · fx
A318Fancy
Round orange-brown diamond ring
Ring with about 0.65 ct colorless accents.
4.16 ctSI2
Heritage
US / online; location not confirmed · 28 Sept 2023
USD 9,375
$9,375 · USD as reported
$2.3kIncludedlot
A319Fancy
Oval orange-brown diamond ring
Ring with about 0.27 ct colorless accents.
3.14 ctSI2
Heritage
US / online; location not confirmed · 4 Aug 2022
USD 7,500
$7,500 · USD as reported
$2.4kIncludedlot
A435Fancy Deep
COLOURED DIAMOND AND DIAMOND RING
Published whole-lot result divided by target diamond carats; setting and accent value is not deducted.
5.04 ctSI2
Christie's
Auction location not transcribed · 20 May 2025
CHF 25,200
$30,285 · FRED local units per USD; sale date
$6.0kIncludedlot · fx
A436Fancy Deep
IMPRESSIVE COLORED DIAMOND RING
Very large pear-shaped diamond ring with brown diamond accents whose color origin is untested.
56.66 ctVS2
Christie's
New York · 5 Dec 2018
USD 552,500
$552,500 · USD as reported
$9.8kIncludedlot
1–10 of 25
1 / 3
supply evidence
this exact grade
IDCohortIntensity binStonesSharePeriod · scopeLimitsSource
S105Orange-brownIndividual intensity bins——Reviewed GIA papers, 2002–2025
Evidence gap for exact grade

An all-intensity hue count or pooled-family distribution does not disclose this exact hue’s distribution. Blank numeric cells mean unavailable, not zero.

See GIA Evidence hue cohorts
evidence
R12
G1
Brown/orange group1%Exact count not stated
Several hundred thousand yellow/orange submissions · Pre-2020 study; nearly a decade

Direction and -ish/balanced grades are not separately counted.