wheel / two-color grade · dominant Purple

Brown-purple

Group share

Purple with gray or brown modifiers

Exact count

Not disclosed

GIA publishes group shares, not per-grade counts

Median USD per carat

$3.8k

n=1 included · $3.8k–$3.8k · 0.49–0.49 ct · 2022–2022

Rarity-adjusted value

insufficient data

two-color grades have no published population

auction sales by intensity1 sale

price by intensity

Intensity	Included n	Median $/ct	Mean $/ct	Low – high	Since 2020	Qualified	Study stones	Share of cohort
Fancy Light	—	—	—	—	—	—	—	—
Fancy	1	$3.8k	$3.8k	—	$3.8k · n=1	—	—	—
Fancy Intense	—	—	—	—	—	—	—	—
Fancy Vivid	—	—	—	—	—	—	—	—
Fancy Deep	—	—	—	—	—	—	—	—

methodologyshow

read before interpreting

Combined group with gray or brown; no separate exact-hue counts.

argyle context

No separate Argyle count established.

auction sales1 included · 0 qualified

ID	Intensity	Lot / stone	Carats	Clarity	Sale	Realised	USD / ct	Status	Sources
A316	Fancy	Loose pear modified brilliant brown-purple diamond Whole-lot result divided by target carats; setting and accent value is not deducted.	0.49 ct	I3	Heritage US / online; location not confirmed · 15 Feb 2022	USD 1,875 $1,875 · USD as reported	$3.8k	Included	lot

supply evidence

this exact grade

ID	Cohort	Intensity bin	Stones	Share	Period · scope	Limits	Source
S114	Brown-purple	Individual 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

R15

Purple with gray or brown modifiers1% of >90,000Exact count not stated

>90,000 pink/purple/red/brown study submissions · 2008-01 through 2016-12

Combined group with gray or brown; no separate exact-hue counts.