High-Quality Cabochons
How to order?
Contact us via email (gemrockinternational@gmail.com) or per WhatsApp/Telegram at +51-99 410 42 06 in order to discuss the cabochon design, shape and size as well as the cutting quality you require. We then will put together a quote for you.
Superior Material Quality
High-Quality Cabuchobns are made only from the hand-selected 10% of the best material from a stone. We do exclude material that shows impurities and other problems. In some stones, you can choose from different levels of jewelry-grade material.
High-quality cut
hand-cut by our skilled gem cutters
flawless shape and dome
crispy sharp edges (tiny chipping possible in exemptional cases only on the edge of the backside)
straight bezel
dome height variable: flat or high domes possible according to clients' wishes
top polish on the dome and bezel, up to 6,000 grit if required for the stone
backside straight at 280 grit
Agate (Andean)
Designer Cab:
strong color patterns
High Quality cut:
Mini
Small
Medium: 21-30 mm = 13.49 USD
Big: 31-40 mm = 16.57 USD
Extra: >40 mm = 23.45 USD
Andean Sunset Agate
top-jewelry grade material:
Tricolor
High Quality cut:
Mini
Small
Medium: 21-30 mm = 13.49 USD
Big: 31-40 mm = 16.57 USD
Extra: >40 mm = 23.45 USD
Agate (Andean)_
top-jewelry grade material:
traslucent pale blue/greyish/brown
High Quality cut:
Mini: 5-10 mm = 3.70 USD
Small: 11-20 mm = 5.91 USD
Medium: 21-30 mm = 13.49 USD
Big: 31-40 mm = 16.57 USD
Extra: >40 mm = 23.45 USD
Angelite
top-jewelry grade material:
strong blue color, no impurities
High Quality cut:
Mini: 5-10 mm = 1.85 USD
Small: 11-20 mm = 2.95 USD
Medium: 21-30 mm = 6.74 USD
Big: 31-40 mm = 8.28 USD
Extra: >40 mm = 11.72 USD
Angelite
jewelry grade material:
tiny white/brown impurities possible
High Quality cut:
Mini: 5-10 mm = 1.74 USD
Small: 11-20 mm = 2.69 USD
Medium: 21-30 mm = 5.80 USD
Big: 31-40 mm = 6.57 USD
Extra: >40 mm = 9.02 USD
Green Apatite
Only available as premium-cut
Banded Aragonite
(also sold as: Candy Aragonite / Honey Aragonite)
top-jewelry-grade material:
no pores, no chalky white,
high contrast of brown shades
High Quality cut:
Mini: 5-10 mm = 1.85 USD
Small: 11-20 mm = 2.95 USD
Medium: 21-30 mm = 6.74 USD
Big: 31-40 mm = 8.28 USD
Extra: >40 mm = 11.72 USD
Banded Aragonite
(also sold as: Candy Aragonite / Honey Aragonite)
Jewelry-grade material: few pores, very little chalky white,
good contrast of brown shades
High Quality cut:
Mini: 5-10 mm = 1.74 USD
Small: 11-20 mm = 2.69 USD
Medium: 21-30 mm = 5.80 USD
Big: 31-40 mm = 6.57 USD
Extra: >40 mm = 9.02 USD
Exclusive Material only available from us
Atacamite
Only available as premium-cut
Exclusive Material only available from us
Azurite
"Ocean Blue"
Only available as premium-cut
Beach Rock Cabs
jewelry-grade material:
hand-selected and self-collected colorful beach pebbles
High Quality cut:
Small: 11-20 mm = 2.69 USD
Medium: 21-30 mm = 5.18 USD
Big: 31-40 mm = 5.43 USD
Extra: >40 mm = 7.22 USD
Black Jade
top-jewelry-grade material:
bands with high concentration of pyrite crystals or concentrated lines of pyrite
High Quality cut:
Mini: 5-10 mm = 2.76 USD
Small: 11-20 mm = 5.04 USD
Medium: 21-30 mm = 14.26 USD
Big: 31-40 mm = 21.96 USD
Extra: >40 mm = 33.32 USD
Black Jade
high-quality jewelry-grade material:
pitch-black material with high concentration of pyrite dots, evenly distributed
High Quality cut:
Mini: 5-10 mm = 2.19 USD
Small: 11-20 mm = 3.74 USD
Medium: 21-30 mm = 9.56 USD
Big: 31-40 mm = 13.41 USD
Extra: >40 mm = 19.82 USD
Black Jade
jewelry-grade material:
pitch-black material, occasionally with pyrite dots
High Quality cut:
Mini: 5-10 mm = 1.68 USD
Small: 11-20 mm = 2.56 USD
Medium: 21-30 mm = 5.33 USD
Big: 31-40 mm = 5.72 USD
Extra: >40 mm = 7.67 USD
Black Tourmaline in Quartz
Top-quality jewelry-grade material:
fine needle crystals of black Tourmaline in clear quartz
High Quality cut:
Small: 11-20 mm = 10.26 USD
Medium: 21-30 mm = 33.05 USD
Big: 31-40 mm = 56.16 USD
Extra:
Black Tourmaline in Quartz
high-quality jewelry-grade material:
Black Tourmaline and clear to milky quartz in approx 50/50 ratio
High Quality cut:
Small: 11-20 mm = 4.78 USD
Medium: 21-30 mm = 13.32 USD
Big: 31-40 mm = 20.25 USD
Extra: >40 mm = 30.62 USD
Black Tourmaline in Quartz
High-quality jewelry-grade material:
Black Tourmaline and clear to milky quartz in approx 75/25 ratio
High Quality cut:
Small: 11-20 mm = 3.22 USD
Medium: 21-30 mm = 7.68 USD
Big: 31-40 mm = 9.99 USD
Extra: >40 mm = 14.42 USD
Exclusive Material only available from us
Black Iris Opal
Only available as premium-cut
Blue Chalcedony
Top-grade jewelry material:
High Quality cut:
Mini: 5-10 mm = 2.57 USD
Small: 11-20 mm = 4.61 USD
Medium: 21-30 mm = 12.69 USD
Golden Pinolite
Top-grade jewelry material: Stong contrast of black and white needles with golden/yellowish oxide inclusions
High Quality cut:
Medium: 21-30 mm = 9.25 USD
Big: 31-40 mm = 12.84 USD
Extra: >40 mm = 18.92 USD
Canadian Pinolite
Top-grade jewelry material:
Strong pattern of black and white needles
High Quality cut:
Medium: 21-30 mm = 9.25 USD
Big: 31-40 mm = 12.84 USD
Extra: >40 mm = 18.92 USD
Exclusive Material of only available from us
Caramel Calcite
Beautiful jewelry material: swirly patterns of brown shades of sedimentary calcite
High Quality cut:
Small: 11-20 mm = 2.78 USD
Medium: 21-30 mm = 6.12 USD
Big: 31-40 mm = 7.14 USD
Extra: >40 mm = 9.92 USD
Cherry Blosssom Stone (Cinnabrite)
Top-Grade Jewelry Material:
no yellow or black impurities,
high concentration of pink thulite spots
High Quality cut:
Small: 11-20 mm = 2.78 USD
Medium: 21-30 mm = 6.12 USD
Big: 31-40 mm = 7.14 USD
Extra: >40 mm = 9.92 USD
Cherry Blosssom Stone (Cinnabrite)
Jewelry-grade Material:
no black impurities, maybe light yellow impurities, medium to high concentration of pink thulite spots
High Quality cut:
Small: 11-20 mm = 2.61 USD
Medium: 21-30 mm = 5.49 USD
Big: 31-40 mm = 6.00 USD
Extra: >40 mm = 8.12 USD
Chocolate Calcite
(Also sold as: Honey Aragonite)
Top-Grade Jewelry Material:
no chalky impurities
High Quality cut:
Small: 11-20 mm = 3.13 USD
Medium: 21-30 mm = 7.37 USD
Big: 31-40 mm = 9.42 USD
Extra: >40 mm = 13.52 USD
Pure Chrysocolla
Only available as premium-cut
Exclusive Material only available from us
Chrysocolla
(Var. Il Fresco - Light)
High Quality cut:
Mini: 5-10 mm = 0.78 USD
Small: 11-20 mm = 1.35 USD
Medium: 21-30 mm = 3.58 USD
Big: 31-40 mm = 5.18 USD
Extra: >40 mm = 7.73 USD
Exclusive Material only available from us
Chrysocolla
(Var. Il Fresco - Dark)
High Quality cut:
Mini: 5-10 mm = 0.78 USD
Small: 11-20 mm = 1.35 USD
Medium: 21-30 mm = 3.58 USD
Big: 31-40 mm = 5.18 USD
Extra: >40 mm = 7.73 USD
Chrysocolla
(Classic Variety)
High Quality cut:
Mini: 5-10 mm = 4.46 USD
Small: 11-20 mm = 8.69 USD
Medium: 21-30 mm = 28.35 USD
Big: 31-40 mm = 47.61 USD
Extra: >40 mm = 73.82 USD
Chrysocolla
(Var. Turquoise)
High Quality cut:
Mini: 5-10 mm = 2.33 USD
Small: 11-20 mm = 4 USD
Medium: 21-30 mm = 10.74 USD
Big: 31-40 mm = 15.55 USD
Extra: >40 mm = 23.20 USD
Exclusive Material only available from us
Chrysocolla
(Var. Mother Earth)
High Quality cut:
Mini: 5-10 mm = 2.33 USD
Small: 11-20 mm = 4 USD
Medium: 21-30 mm = 10.74 USD
Big: 31-40 mm = 15.55 USD
Extra: >40 mm = 23.20 USD
Chrysocolla
(Var. Water & Wine)
High Quality cut:
Mini: 5-10 mm = 2.33 USD
Small: 11-20 mm = 4 USD
Medium: 21-30 mm = 10.74 USD
Big: 31-40 mm = 15.55 USD
Extra: >40 mm = 23.20 USD
Exclusive Material only available from us
Coati Ar_agonite
High Quality cut:
Mini: 5-10 mm = 1.68 USD
Small: 11-20 mm = 2.56 USD
Medium: 21-30 mm = 5.33 USD
Big: 31-40 mm = 5.72 USD
Extra: >40 mm = 7.67 USD
Exclusive Material only available from us
Epidote Crystal
(With internal yellow fire)
High Quality cut:
Mini: 5-10 mm = 2.76 USD
Small: 11-20 mm = 5 USD
Medium: 21-30 mm = 14.26 USD
Big: 31-40 mm = 21.96 USD
Extra: >40 mm = 33.32 USD
Exclusive Material only available from us
Fan-shaped Epidote Crystal (Irridiscent)
High Quality cut:
Mini: 5-10 mm = 1.81 USD
Small: 11-20 mm = 2.87 USD
Medium: 21-30 mm = 6.43 USD
Big: 31-40 mm = 7.71 USD
Extra: >40 mm = 10.82 USD
Exclusive Material only available from us
Fan-shaped Epidote Crystal in Orthoclase
High Quality cut:
Mini: 5-10 mm = 1.74 USD
Small: 11-20 mm = 2.69 USD
Medium: 21-30 mm = 5.80 USD
Big: 31-40 mm = 6.57 USD
Extra: >40 mm = 9.02 USD
Hematite
High Quality cut:
Mini: 5-10 mm = 1.74 USD
Small: 11-20 mm = 2.69 USD
Medium: 21-30 mm = 5.80 USD
Big: 31-40 mm = 6.57 USD
Extra: >40 mm = 9.02 USD
Exclusive Material only available from us
Honey Stone
High Quality cut:
Mini: 5-10 mm = 1.81 USD
Small: 11-20 mm = 2.87 USD
Medium: 21-30 mm = 6.43 USD
Big: 31-40 mm = 7.71 USD
Extra: >40 mm = 10.82 USD
Huanucite
High Quality cut:
Mini: 5-10 mm = 1.74 USD
Small: 11-20 mm = 2.69 USD
Medium: 21-30 mm = 5.80 USD
Big: 31-40 mm = 6.57 USD
Extra: >40 mm = 9.02 USD
Green Jade
(Nephrite)
High Quality cut:
Mini: 5-10 mm = 1.74 USD
Small: 11-20 mm = 2.69 USD
Medium: 21-30 mm = 5.80 USD
Big: 31-40 mm = 6.57 USD
Extra: >40 mm = 9.02 USD
Exclusive Material only available from us
Andean Red Landscape Jasper
High Quality cut:
Mini: 5-10 mm = 1.96 USD
Small: 11-20 mm = 3.22 USD
Medium: 21-30 mm = 7.68 USD
Big: 31-40 mm = 9.99 USD
Extra: >40 mm = 14.42 USD
Exclusive Material only available from us
Andean Jasper
High Quality cut:
Mini: 5-10 mm = 1.85 USD
Small: 11-20 mm = 2.95 USD
Medium: 21-30 mm = 6.74 USD
Big: 31-40 mm = 8.28 USD
Extra: >40 mm = 11.72 USD
Lapis Lazuli
High Quality cut:
Mini: 5-10 mm = 3.13 USD
Small: 11-20 mm = 5.91 USD
Medium: 21-30 mm = 17.39 USD
Big: 31-40 mm = 27.66 USD
Extra: >40 mm = 42.32 USD
Leopardite
High Quality cut:
Mini: 5-10 mm = 1.74 USD
Small: 11-20 mm = 2.69 USD
Medium: 21-30 mm = 5.80 USD
Big: 31-40 mm = 6.57 USD
Extra: >40 mm = 9.02 USD
Lizardite
High Quality cut:
Mini: 5-10 mm = 3.13 USD
Small: 11-20 mm = 5.91 USD
Medium: 21-30 mm = 17.39 USD
Big: 31-40 mm = 27.66 USD
Extra: >40 mm = 42.32 USD
Manganocalcite
Top-grade jewelry-material, banded or other color patterns, strong shades of rose-color, strong fluorescence
High Quality cut:
Mini: 5-10 mm = 2 USD
Small: 11-20 mm = 3.48 USD
Medium: 21-30 mm = 8.62 USD
Big: 31-40 mm = 11.70 USD
Extra: >40 mm = 17.12 USD
Manganocalcite
Standart-grade jewelry material, with or without patterns, light shades of rose-color, strong fluorescence_
High Quality cut:
Mini: 5-10 mm = 1.85 USD
Small: 11-20 mm = 2.95 USD
Medium: 21-30 mm = 6.74 USD
Big: 31-40 mm = 8.28 USD
Extra: >40 mm = 11.72 USD
Morning Rose Granite
High Quality cut:
Mini: 5-10 mm = 1.74 USD
Small: 11-20 mm = 2.69 USD
Medium: 21-30 mm = 5.80 USD
Big: 31-40 mm = 6.57 USD
Extra: >40 mm = 9.02 USD
Obsidian
High Quality cut:
Mini: 5-10 mm = 1.85 USD
Small: 11-20 mm = 2.95 USD
Medium: 21-30 mm = 6.74 USD
Big: 31-40 mm = 8.28 USD
Extra: >40 mm = 11.72 USD
Exclusive Material only available from us
Peruvian Tiger Aragonite
Top-grade jewelry material, big percentage of cab with orange tiger stripes
High Quality cut:
Small: 11-20 mm = 3.30 USD
Medium: 21-30 mm = 8.00 USD
Big: 31-40 mm = 10.56 USD
Extra: >40 mm = 15.32 USD
Exclusive Material only available from us
Peruvian Tiger Aragonite
Top-grade jewelry material, strong orrange with swirly color patterns
High Quality cut:
Small: 11-20 mm = 3.30 USD
Medium: 21-30 mm = 8.00 USD
Big: 31-40 mm = 10.56 USD
Extra: >40 mm = 15.32 USD
Exclusive Material only available from us_
Peruvian Tiger Aragonite
Standard-grade jewelry material, cab with orange tiger stripes
High Quality cut:
Small: 11-20 mm = 3 USD
Medium: 21-30 mm = 7.20 USD
Big: 31-40 mm = 9.14 USD
Extra: >40 mm = 13.07 USD
Dark Pink Opal
Only available as premium-cut
Angel Skin Pink Opal
Top Quality Jewelry-Grade
uniform very strong rose-color, no impurities
High-Quality cut:
Mini: 5-10 mm = 21.26 USD
Small: 11-20 mm = 47 USD
Medium: 21-30 mm = 163 USD
Big: 31-40 mm = 292 USD
Bubble gum Pink Opal
Only available as premium-cut
Dendritic Pink Opal
Dendritic, white to rose-color-shades
High Quality cut:
Small: 11-20 mm = 5.91 USD
Medium: 21-30 mm = 17.39 USD
Big: 31-40 mm = 27.66 USD
Extra: >40 mm = 42.32 USD
Standard grade Pink Opal
Higher Standard Grade
light rose shades, small impurities possible
High Quality cut:
Mini: 5-10 mm = 3.13 USD
Small: 11-20 mm = 5.91 USD
Medium: 21-30 mm = 17.39 USD
Big: 31-40 mm = 27.66 USD
Extra: >40 mm = 42.32 USD
Lower Grade Pink Opal
Lower Grade:
near white to pinkish white to very light rose-shades, small impur_ities possible
High Quality cut:
Mini: 5-10 mm = 2.38 USD
Small: 11-20 mm = 4.17 USD
Medium: 21-30 mm = 11.13 USD
Big: 31-40 mm = 16.26 USD
Extra: >40 mm = 24.32 USD
Boulder Pink Opal
jewelry grade
great variety of color combinations: white, brown, black, rose-color shades, yellowish, pink shades,...
High Quality cut:
Mini: 5-10 mm = 2.38 USD
Small: 11-20 mm = 4.17 USD
Medium: 21-30 mm = 11.13 USD
Big: 31-40 mm = 16.26 USD
Extra: >40 mm = 24.32 USD
Pyrite
Solid Pyrite
"Solid" Pyrite is the inner part of huge single crystal cubes. Having to sacrifice a big crystal specimen, this material becomes a relatively rare material for pyrite.
High Quality cut:
Mini: 5-10 mm = 1.74 USD
Small: 11-20 mm = 2.69 USD
Medium: 21-30 mm = 5.80 USD
Big: 31-40 mm = 6.57 USD
Extra: >40 _mm = 9.02 USD_
Pyrite
Polished Chispa
High Quality cut:
Small: 11-20 mm = 2.75 USD
Medium: 21-30 mm = 5.99 USD
Big: 31-40 mm = 6.92 USD
Extra: >40 mm = 9.56 USD
Pyrite
Chispa Top Surface
High Quality cut:
Mini: 5-10 mm = 2.17 USD
Small: 11-20 mm = 3.69 USD
Medium: 21-30 mm = 9.37 USD
Big: 31-40 mm = 13.07 USD
Extra: >40 mm = 19.28 USD
Pyrite
Cocada Crystal Surface
High Quality cut:
Small: 11-20 mm = 4.31 USD
Medium: 21-30 mm = 11.63 USD
Big: 31-40 mm = 17.18 USD
Extra: >40 mm = 25.76 USD
Exclusive Material only available from us
Pyrite
Re-crystalysation Surface
High-Quality cut:
Mini: 5-10 mm = 4.07 USD
Small: 11-20 mm = 7.46 USD
Medium: 21-30 mm = 21.19 USD
Big: 31-40 mm = 32.74 USD
Extra: >40 mm = 49.72 USD
Exclusive Material only available from us
Pyrite
Striated Surface
High-quality cut:
Mini: 5-10 mm = 4.07 USD
Small: 11-20 mm = 7.46 USD
Medium: 21-30 mm = 21.19 USD
Big: 31-40 mm = 32.74 USD
Extra: >40 mm = 49.72 USD
Exclusive Material only available from us
Pyrite
3D crystal surface
Only available as premium-cut
Exclusive Material only available from us
Pyrite
fractured crystal Surface
Only available as premium-cut
Quartz (rutilated)
Jewelry-Grade Material
High Quality cut:
Mini: 5-10 mm = 4.34 USD
Small: 11-20 mm = 8.70 USD
Medium: 21-30 mm = 27.42 USD
Big: 31-40 mm = 45.90 USD
Extra: >40 mm = 71.12 USD
Quantum Cuatro
Top-grade Jewelry material,
amazing mixture of clear quartz with malachite and Chrysocolla
High Quality cut:
Small: 11-20 mm = 4 USD
Medium: 21-30 mm = 10.50 USD
Big: 31-40 mm = 15.12 USD
Extra: >40 mm = 22.52 USD
Quantum Cuatro
Top-grade Jewelry material,
amazing mixture of milky quartz with malachite and Chrysocolla
High Quality cut:
Small: 11-20 mm = 4 USD
Medium: 21-30 mm = 10.50 USD
Big: 31-40 mm = 15.12 USD
Extra: >40 mm = 22.52 USD
Quantum Cuatro
Top-grade Jewelry material,
clear quartz infiltrated with malachite
High Quality cut:
Small: 11-20 mm = 4 USD
Medium: 21-30 mm = 10.50 USD
Big: 31-40 mm = 15.12 USD
Extra: >40 mm = 22.52 USD
Quantum Cuatro
Top-grade Jewelry material,
milky quartz infiltrated with Chrysocolla
High Quality cut:
Small: 11-20 mm = 4 USD
Medium: 21-30 mm = 10.50 USD
Big: 31-40 mm = 15.12 USD
Extra: >40 mm = 22.52 USD
Quantum Cuatro
Top-grade Jewelry material,
milky quartz infiltrated with Chrysocolla
High Quality cut:
Small: 11-20 mm = 4 USD
Medium: 21-30 mm = 10.50 USD
Big: 31-40 mm = 15.12 USD
Extra: >40 mm = 22.52 USD
Milky Quartz
Jewelry-grade Material
High Quality cut:
Mini: 5-10 mm = 1.69 USD
Small: 11-20 mm = 2.59 USD
Medium: 21-30 mm = 5.43 USD
Big: 31-40 mm = 5.89 USD
Extra: >40 mm = 7.49 USD
Exclusive Material only available from us
Red Aragonite
High Quality cut:
Mini: 5-10 mm = 1.74 USD
Small: 11-20 mm = 2.69 USD
Medium: 21-30 mm = 5.80 USD
Big: 31-40 mm = 6.57 USD
Extra: >40 mm = 9.02 USD
Exclusive Material only available from us
Red River Sunset
High Quality cut:
Small: 11-20 mm = 4.61 USD
Medium: 21-30 mm = 12.69 USD
Big: 31-40 mm = 19.11 USD
Extra: >40 mm = 28.82 USD
Rose Quartz
High Quality cut:
Mini: 5-10 mm = 1.77 USD
Small: 11-20 mm = 2.78 USD
Medium: 21-30 mm = 6.12 USD
Big: 31-40 mm = 7.14 USD
Extra: >40 mm = 9.92 USD
Rhodonite with green Epidote
High Quality cut:
Mini: 5-10 mm = 1.77 USD
Small: 11-20 mm = 2.78 USD
Medium: 21-30 mm = 6.12 USD
Big: 31-40 mm = 7.14 USD
Extra: >40 mm = 9.92 USD
Rhodonite
Top-grade Jewelry material, no black impurities
High Quality cut:
Mini: 5-10 mm = 1.94 USD
Small: 11-20 mm = 3.13 USD
Medium: 21-30 mm = 7.37 USD
Big: 31-40 mm = 9.42 USD
Extra: >40 mm = 13.52 USD
Rhodonite
Jewelry material, little black impurities
High Quality cut:
Mini: 5-10 mm = 1.77 USD
Small: 11-20 mm = 2.78 USD
Medium: 21-30 mm = 6.12 USD
Big: 31-40 mm = 7.14 USD
Extra: >40 mm = 9.92 USD
Exclusive Material only available from us
(Peruvian) Rosophia
High Quality cut:
Mini: 5-10 mm = 1.94 USD
Small: 11-20 mm = 3.13 USD
Medium: 21-30 mm = 7.37 USD
Big: 31-40 mm = 9.42 USD
Extra: >40 mm = 13.52 USD
Exclusive Material only available from us
Semper Fi (Green)
High Quality cut:
Mini: 5-10 mm = 1.77 USD
Small: 11-20 mm = 2.78 USD
Medium: 21-30 mm = 6.12 USD
Big: 31-40 mm = 7.14 USD
Extra: >40 mm = 9.92 USD
Exclusive Material only available from us
Semper Fi (Black)
High Qu_ality cut:
Mini: 5-10 mm = 1.77 USD
Small: 11-20 mm = 2.78 USD
Medium: 21-30 mm = 6.12 USD
Big: 31-40 mm = 7.14 USD
Extra: >40 mm = 9.92 USD
Serpentinite
High Quality cut:
Mini: 5-10 mm = 1.77 USD
Small: 11-20 mm = 2.78 USD
Medium: 21-30 mm = 6.12 USD
Big: 31-40 mm = 7.14 USD
Extra: >40 mm = 9.92 USD
Thulite
High Quality cut:
Mini: 5-10 mm = 3.13 USD
Small: 11-20 mm = 5.91 USD
Medium: 21-30 mm = 17.39 USD
Big: 31-40 mm = 27.66 USD
Extra: >40 mm = 42.32 USD