wheel / two-color grade · dominant Green
Bluish green
Group share
12%
Blue-green group
Exact count
Not disclosed
GIA publishes group shares, not per-grade counts
Median USD per carat
$533k
n=2 included + 1 qualified · $23.5k–$1.04M · 1.22–2.08 ct · 2003–2016
Rarity-adjusted value
insufficient data
two-color grades have no published population
auction sales by intensity3 sales
- Fancy Deep—
- Fancy Vivid$1.04M/ct · 2.08 ct · 2016
- Fancy Intense$36.2k/ct · 0.76 ct · 2016
- Fancy$23.5k/ct · 1.22 ct · 2003
- Fancy Light—
price by intensity
| Intensity | Included n | Median $/ct | Mean $/ct | Low – high | Since 2020 | Qualified | Study stones | Share of cohort |
|---|---|---|---|---|---|---|---|---|
| Fancy Light | — | — | — | — | — | — | — | — |
| Fancy | 1 | $23.5k | $23.5k | — | — | — | — | — |
| Fancy Intense | — | — | — | — | — | $36.2k · n=1 | — | — |
| Fancy Vivid | 1 | $1.04M | $1.04M | — | — | — | — | — |
| Fancy Deep | — | — | — | — | — | — | — | — |
methodologyshow
read before interpreting
Exact blue-green vs bluish-green split not provided.
related grades
auction sales2 included · 1 qualified
| ID | Intensity | Lot / stone | Carats | Clarity | Sale | Realised | USD / ct | Status | Sources |
|---|---|---|---|---|---|---|---|---|---|
| A714 | Fancy | AN UNMOUNTED CIRCULAR-CUT FANCY BLUISH GREEN DIAMOND Sale-room correction explicitly changes the catalogue weight from 3.02 to 1.22 ct; corrected denominator used. Loose round diamond. | 1.22 ct | SI1 | Christie's New York · 12 Dec 2003 | USD 28,680 $28,680 · USD as reported | $23.5k | Included | lot |
| A737 | Fancy Vivid | A RARE COLOURED DIAMOND AND DIAMOND RING GIA supplemental letter explicitly records Natural Color. Pink and colorless pavé surround included. | 2.08 ct | VS1 | Christie's Hong Kong · 31 May 2016 | HKD 16,840,000 $2,167,617 · FRED local units per USD; sale date | $1.04M | Included | lot · fx |
| A572 | Fancy Intense | A COLORED DIAMOND AND DIAMOND RING Ring includes 0.29 + 0.28 ct D/VVS2 side diamonds; whole-lot allocation. | 0.76 ct | VS2 | Christie's New York · 18 Oct 2016 | USD 27,500 $27,500 · USD as reported | $36.2k | Qualified | lot |
supply evidence
this exact grade
| ID | Cohort | Intensity bin | Stones | Share | Period · scope | Limits | Source |
|---|---|---|---|---|---|---|---|
| S098 | Bluish green | 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
R28
G4
Blue-green group12%Exact count not stated
Green study color-distribution population · Pre-2018 study; last decade
Exact blue-green vs bluish-green split not provided.
Breeding et al. (2018), Natural-Color Green Diamonds: A Beautiful Conundrum · Hue distribution