Typical Characteristics

Location

Name

Mollusk

Source

Age at First Nucleation

Diameter at First Nucleation

Number of Nucleii per Mollusk

Pearl Growth Period

Number of Nucleations

Sizes

Most Common Size

Range

Australia      (40% of World South Sea Pearl Market)

Pinctada Maxima (Silver Lipped)

Hatcheries and Wild Catch

Hatcheries—at least 32 Months

Wild—3 to 7 Years

Hatcheries—4.7 to 6.3”

 Wild—4.7 to 7.1”

1

24 Months

 

1 to 3

11-14mm

10-20mm

Indonesia     (45% of World South Sea Pearl Market)

Pinctada Maxima (Silver Lipped and Gold Lipped)

Hatcheries

14 to 24 Months

3.8 to 4.7”

1

12 to 24 Months

 

1 to 2

 

9-13mm

8-18mm

Philippines (15% of World South Sea Pearl Market)

Pinctada Maxima

(Silver Lipped and Gold Lipped)

Hatcheries and Wild Catch

18-30 Months

4.3 to 6.3”

1

18 to 30 Months

 

1 to 2

10-13mm

8-16mm

French Polynesia (Tahitian)

Pinctada Margaritifera Cumingii

Wild Catch Spat

24 to 36 Months

3.5 to 4”

1

16 to 24 Months

1 to 3

9-11mm

9-14mm

Sea of Cortez (Guaymas, Mexico)

Ptera sterna

Wild Catch Spat

24 to 36 Months

2.4 to 3”

1

18 Months

1

8-9.5mm

8-12mm

Cook Island (Not called Tahitian Pearls)

Pinctada Margaritifera

 

Wild Catch Spat

24 to 36 Months

2.6-3”

1

18 Months

1 to 2

9-13 mm

8-15 mm

 

China

Freshwater Pearls

Hriopsis cumingi (Triangle Mussel)

Cristaria Plicata (Cockscomb Mussel)

 Leisure Mussel (Hybrid)

 

Hatcheries

6 to 12 Months

About 3”

Tissue pieces per Mussel

24 to 32

3 to 7 Years

1

 

4-14mm

Japan

Akoya

Pinctada Fuctada Martensii

Hatcheries

24 to 36 Months

2 to 3”

1 to 5

6 to 24 Months

1

6-8 mm

2-11mm

China

Akoya

Pinctada Fuctada Martensii

 Pinctada Chemnitzi

Hatcheries

18 Months

2.5 to 2.8”

1 to 2

6 to 24 Months

1