Calibrated 20 x 15 mm Oval Shape Gemstones | GemSelect
Bi-color Oval Shape 20x15 mm Gems
Black Oval Shape 20x15 mm Gems
Blue Oval Shape 20x15 mm Gems
Brown Oval Shape 20x15 mm Gems
Golden
Gray Oval Shape 20x15 mm Gems
Green Oval Shape 20x15 mm Gems
Multicolor Oval Shape 20x15 mm Gems
Orange Oval Shape 20x15 mm Gems
Pink Oval Shape 20x15 mm Gems
Purple
Red Oval Shape 20x15 mm Gems
Turquoise Oval Shape 20x15 mm Gems
Violet Oval Shape 20x15 mm Gems
White Oval Shape 20x15 mm Gems
Yellow Oval Shape 20x15 mm Gems
Clear Colors
Single
Pairs
Lots
Faceted
Cabochons
Showing results for
Sort By:
Price - High to Low
Price - Low to High
Size - Largest to Smallest
Size - Smallest to Largest
Weight - High to Low
Weight - Low to High
Gemtypes in Category:
Agate (6)
Amazonite (1)
Amethyst (24)
Ametrine (7)
Aquamarine (1)
Black Opal (2)
Bloodstone (5)
Boulder Opal (4)
Cat's Eye Aquamarine (1)
Cinnabar (4)
Citrine (1)
Color-Change Fluorite (1)
Coral (8)
Dendritic Agate (1)
Fossil Coral (3)
Hematite (1)
Hiddenite (1)
Jadeite (7)
Jasper (48)
Labradorite (8)
Larimar (16)
Malachite (1)
Maw-Sit-Sit (3)
Moonstone (19)
Nuummite (3)
Opal (1)
Opal Doublet (1)
Pietersite (6)
Pyrope Garnet (1)
Quartz (10)
Quartz With Marcasite (6)
Rhodochrosite (4)
Rose Quartz (14)
Ruby-Zoisite (2)
Serpentine (1)
Star Garnet (1)
Star Rose Quartz (1)
Star Sunstone (1)
Strawberry Quartz (2)
Tiger's Eye (10)
Topaz (45)
Tourmaline (1)
Turquoise (2)
Clear All
12.13ct Multicolor Jasper, Oval, Opaque
20 x 15 mm (calibrated)
$
19.94
View Gem
21.13ct Blue Topaz, Oval, VVS
20 x 15 mm (calibrated)
$
172.47
View Gem
20.49ct Blue Topaz, Oval, VVS
20 x 15 mm (calibrated)
$
157.14
View Gem
16.47ct Multicolor Jasper, Oval, Opaque
20 x 15 mm (calibrated)
$
11.55
View Gem
24.85ct Pink Rose Quartz, Oval, Transparent
20 x 15 mm (calibrated)
$
32.67
View Gem
23.45ct Blue Topaz, Oval, VVS
20 x 15 mm (calibrated)
$
179.84
View Gem
11.99ct Multicolor Black Opal, Oval, Opaque
20 x 15 mm (calibrated)
$
497.59
View Gem
25.89ct Turquoise Cat'S Eye Aquamarine, Oval, Translucent
20 x 15 mm (calibrated)
$
283.65
View Gem
26.04ct Pink Rose Quartz, Oval, Translucent
20 x 15 mm (calibrated)
$
34.25
View Gem
21.58ct Blue Topaz, Oval, VVS
20 x 15 mm (calibrated)
$
165.50
View Gem
8.15ct Multicolor Opal Doublet, Oval, Opaque
20 x 15 mm (calibrated)
$
242.10
View Gem
21.34ct Blue Topaz, Oval, VVS
20 x 15 mm (calibrated)
$
174.18
View Gem
21.61ct Blue Topaz, Oval, VVS
20 x 15 mm (calibrated)
$
176.38
View Gem
16.80ct Yellow Quartz, Oval, VVS-VS
20 x 15 mm (calibrated)
$
36.81
View Gem
22.72ct Blue Topaz, Oval, VVS-VS
20 x 15 mm (calibrated)
$
174.24
View Gem
9.07ct Multicolor Jasper, Oval, Opaque
20 x 15 mm (calibrated)
$
14.90
View Gem
14.73ct Multicolor Jasper, Oval, Opaque
20 x 15 mm (calibrated)
$
24.21
View Gem
17.03ct Yellow Quartz, Oval, VS
20 x 15 mm (calibrated)
$
37.32
View Gem
14.43ct Multicolor Quartz With Marcasite, Oval, Transparent
20 x 15 mm (calibrated)
$
94.86
View Gem
19.32ct Multicolor Quartz With Marcasite, Oval, Transparent
20 x 15 mm (calibrated)
$
127.00
View Gem
16.40ct Multicolor Jasper, Oval, Opaque
20 x 15 mm (calibrated)
$
9.71
View Gem
23.33ct Blue Topaz, Oval, VVS
20 x 15 mm (calibrated)
$
178.92
View Gem
16.23ct Gray Jadeite, Oval, Translucent
20 x 15 mm (calibrated)
$
26.66
View Gem
13.77ct Turquoise Larimar, Oval, Opaque
20 x 15 mm (calibrated)
$
164.40
View Gem
Why Buy Oval Shape 20x15 Mm Gems from GemSelect?
GemSelect Certified Store Reviews
GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!
Overall Rating -> 9
I think therea's no problem
Posted By Napoleon in August, 2025
Source: Bizrate
Overall Rating -> 10
I always purchase my stones from GemSelect, their products are high quality and customer service is always great. I also like the fact that I am able to purchase unique items
Posted By Desperaux in November, 2025
Source: Bizrate
Overall Rating -> 9
Very good and simple exchange
Posted By Waylon in March, 2026
Source: Bizrate
Overall Rating -> 10
Everything was great, website user friendly, quality amazing, communication amazing, delivery amazing, everything was as expected, they done what they said they would, overall experience was amazing.
Posted By Jac in July, 2025
Source: Bizrate
Overall Rating -> 10
Enjoy every moment
Posted By Ferns in October, 2025
Source: Bizrate
Overall Rating -> 10
Very good.
Posted By Tommy in December, 2025
Source: Bizrate