Triangle/Trillion Shape Gemstones

Browse our catalog for beautiful triangle/trillion shaped gemstones
Click the photo of a colored gemstone you are interested in to view more information about that stone.

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Color

Shape

Gemstone

Cut Style

Category

Color

Bicolor Black Blue Brown Color Change Colorless Gray Green Orange Peach Sapphire Pink Purple Red Teal Sapphire White Yellow

Shape

Cushion Diamond Shape Fan Freeform Half Moon Heart Hexagon Kite Leaf/Flame Marquise Oval Parallelogram Pear Rectangle Round Sail Shape Shield Square Tapered Triangle/Trillion Unusual

Gemstone

Alexandrite Amethyst Ametrine Andalusite Apatite Aquamarine Beryl Chrysoberyl Citrine Color Change Garnet Gemstones Danburite Emerald Garnet Gypsy Rose Garnet Iolite Malaya Garnet Mali Garnet Mandarin Garnet Morganite Opal Parti Color Sapphires Peridot Prasiolite Quartz Rhodolite Garnet Rubelite Tourmaline Ruby Sapphire Spessartite Garnet Sphene Spinel Sunstone Tanzanite Topaz Tourmaline Tsavorite Garnet Zircon

Cut Style

Cabochon Carving Combination Cut Concave Faceted Flat Faceted Raw Crystal

Category

American Gemstones Australian Sapphire Baby Dyer Gemstones Engagement Ring Gemstones Featured Gem Pendant JD Select Outsourced Low-Profile Montana Sapphire New Pair/Suite Parti Color Sapphires Rare/Unusual StarBrite cut Sapphires

OR Search for Gems (choose 2 or 3) Choose Color Bicolor Black Blue Brown Color Change Colorless Gray Green Orange Peach Sapphire Pink Purple Red Teal Sapphire White Yellow Choose Shape Cushion Diamond Shape Fan Freeform Half Moon Heart Hexagon Kite Leaf/Flame Marquise Oval Parallelogram Pear Rectangle Round Sail Shape Shield Square Tapered Triangle/Trillion Unusual Choose Gem Alexandrite Amethyst Ametrine Andalusite Apatite Aquamarine Beryl Chrysoberyl Citrine Color Change Garnet Gemstones Danburite Emerald Garnet Gypsy Rose Garnet Iolite Malaya Garnet Mali Garnet Mandarin Garnet Morganite Opal Parti Color Sapphires Peridot Prasiolite Quartz Rhodolite Garnet Rubelite Tourmaline Ruby Sapphire Spessartite Garnet Sphene Spinel Sunstone Tanzanite Topaz Tourmaline Tsavorite Garnet Zircon

(Or, Perform a Detailed Search)

Parti Color Australian Sapphire
Starbrite™ Cut (Sold)

2.02 carats
9.6 mm
Item# PAS9591N
Retail price: $ 3,918

SOLD

Mint Tourmaline
JD Select™ Outsourced Cut

2.07 carats
7.9 mm
Item# TRO092H
Retail price: $ 725

Add to Cart

Gypsy Rose Garnet
Super Trillion™ Cut (Sold)

2.10 carats
6.8 mm
Item# GRG482N
Retail price: $ 710

SOLD

Aquamarine
Super Trillion™ Cut (Sold)

2.12 carats
8.1 mm
Item# AQU894N
Retail price: $ 996

SOLD

Yellow Sapphire
Super Trillion™ Cut (Sold)

2.15 carats
7.3 mm
Item# YSP3761N
Retail price: $ 3,346

SOLD

Spessartite Garnet
Starbrite™ Cut

2.16 carats
7.8 mm
Item# SPG495N
Retail price: $ 1,188

Add to Cart

Gypsy Rose Garnet
JD Select™ Outsourced Cut

2.18 carats
7.6 mm
Item# GRG021N
Retail price: $ 300

Add to Cart

Golden Beryl
Radiant Style Cut

2.18 carats
10.1 x 10.1 mm
Item# GBL723R
Retail price: $ 654

Add to Cart

Aquamarine
Starbrite™ Cut

2.21 carats
8.2 mm
Item# AQU157N
Retail price: $ 1,502

Add to Cart

Green Tourmaline
Radiant Style Cut

2.22 carats
8.4 x 7.2 mm
Item# GRT556N
Retail price: $ 1,310

Add to Cart

Chrome Tourmaline
Radiant Style Cut (Sold)

2.24 carats
9.3 x 7.6 mm
Item# CTR394N
Retail price: $ 986

SOLD

Green Australian Sapphire
Super Trillion™ Cut (Sold)

2.30 carats
7.1 mm
Item# GSP5941H
Retail price: $ 2,990

SOLD

Malaya Garnet
Super Trillion™ Cut (Sold)

2.32 carats
7.3 mm
Item# MLY955N
Retail price: $ 1,118

SOLD

Tanzanite
Regal Radiant™ Cut (Sold)

2.34 carats
7.8 mm
Item# TNZ988H
Retail price: $ 1,778

SOLD

Montana Garnet
Starbrite™ Cut

2.35 carats
8.1 x 8.1 mm
Item# MGN494N
Retail price: $ 988

Add to Cart

Rhodolite Garnet
Starbrite™ Cut (Sold)

2.37 carats
7.9 mm
Item# RHD653N
Retail price: $ 712

SOLD

Aquamarine
Starbrite™ Cut (Sold)

2.40 carats
9.1 mm
Item# AQU084N
Retail price: $ 960

SOLD

Purple Scapolite
Super Trillion™ Cut (Sold)

2.41 carats
9.2 mm
Item# PSC313N
Retail price: $ 626

SOLD

Morganite
Starbrite™ Cut (Sold)

2.43 carats
10.8 x 7.7 mm
Item# MRG734R
Retail price: $ 874

SOLD

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Morganite
Dreamscape™ Cut

2.57 carats
15.4 x 8.1 mm
Item# MRG364R
Retail price: $ 926

Add to Cart

Blue/Gray Sapphire
Deep Concave™ Cut (Sold)

2.57 carats
8.1 x 8.1 mm
Item# GBS0752N
Retail price: $ 5,140

SOLD

Fancy Tanzanite
Super Trillion™ Cut (Sold)

2.58 carats
8.6 mm
Item# FTN9141N
Retail price: $ 2,838

SOLD

Oregon Sunstone
Dreamscape™ Cut

2.61 carats
11.7 x 8.0 mm
Item# SUN006N
Retail price: $ 1,200

Add to Cart

Gypsy Rose Garnet
Radiant Style Cut (Sold)

2.63 carats
8.3 x 7.2 mm
Item# GRG923N
Retail price: $ 658

SOLD

Teal Australian Sapphire
Super Trillion™ Cut

2.65 carats
7.1 mm
Item# TEA3911H
Retail price: $ 2,386

Add to Cart

New Blue Tourmaline
Starbrite™ Cut (Sold)

2.66 carats
8.3 x 8.3 mm
Item# BGT6951N
Retail price: $ 3,192

SOLD

Parti Color Sapphire
Starbrite™ Cut (Sold)

2.69 carats
8.3 x 8.3 mm
Item# PAS3633N
Retail price: $ 6,726

SOLD

New Tanga Garnet
Radiant Style Cut

2.73 carats
8.4 mm
Item# GRN659N
Retail price: $ 1,912

Add to Cart

Green Seafoam Tourmaline
Starbrite™ Cut (Sold)

2.75 carats
8.8 x 8.8 mm
Item# GTR8321N
Retail price: $ 2,476

SOLD

Blue Unheated Sapphire
Starbrite™ Cut

2.77 carats
12.0 x 9.2 mm
Item# BSP6577N
Retail price: $ 15,512

Add to Cart

Gypsy Rose Garnet
Super Trillion™ Cut

2.77 carats
7.8 x 7.8 mm
Item# GRG754N
Retail price: $ 914

Add to Cart

Sphene
Super Trillion™ Cut (Sold)

2.78 carats
8.1 x 8.1 mm
Item# SPH789N
Retail price: $ 1,974

SOLD

Gypsy Rose Garnet
Super Trillion™ Cut (Sold)

2.83 carats
7.7 x 7.6 mm
Item# GRG764N
Retail price: $ 934

SOLD

Gypsy Rose Garnet
JD Select™ Outsourced Cut

2.86 carats
8.5 mm
Item# GRG752N
Retail price: $ 643

Add to Cart

Pink Sapphire
Starbrite™ Cut

2.94 carats
9.5 x 9.5 mm
Item# PSA8646N
Retail price: $ 12,936

Add to Cart

Orange Zircon
Regal Radiant™ Cut

2.97 carats
7.7 mm
Item# ZIR025H
Retail price: $ 1,040

Add to Cart

Tanzanite
Super Trillion™ Cut (Sold)

3.00 carats
8.1 mm
Item# TNZ5841H
Retail price: $ 2,970

SOLD

Green Blue Sapphire
Deep Concave™ Cut (Sold)

3.00 carats
8.7 mm
Item# GBS0492N
Retail price: $ 5,880

SOLD

Parti Color Australian Sapphire
Radiant Style Cut

3.01 carats
8.5 mm
Item# PAS0941H
Retail price: $ 2,980

Add to Cart

Dark Green Tourmaline
JD Select™ Outsourced Cut

3.08 carats
9.3 mm
Item# TRO541H
Retail price: $ 363

Add to Cart

Spice Zircon
Radiant Style Cut (Sold)

3.15 carats
7.6 mm
Item# ZIR405H
Retail price: $ 1,008

SOLD

Purple Sapphire
Starbrite™ Cut

3.17 carats
10.4 mm
Item# PRS3994N
Retail price: $ 9,986

Add to Cart

Parti Color Australian Sapphire
Radiant Style Cut

3.18 carats
8.9 mm
Item# PAS8091N
Retail price: $ 3,816

Add to Cart

Green Tourmaline
Super Trillion™ Cut

3.19 carats
8.6 mm
Item# GTR836N
Retail price: $ 1,276

Add to Cart

Blue/Green Sapphire
Radiant Style Cut

3.19 carats
8.2 mm
Item# SAP1592N
Retail price: $ 5,902

Add to Cart

Gypsy Rose Garnet
JD Select™ Outsourced Cut

3.22 carats
8.3 mm
Item# GRG092N
Retail price: $ 725

Add to Cart

Gypsy Rose Garnet
Super Trillion™ Cut

3.22 carats
8.3 x 8.3 mm
Item# GRG745N
Retail price: $ 1,094

Add to Cart

Parti Color Australian Sapphire
Starbrite™ Cut

3.35 carats
9.0 x 9.0 mm
Item# PAS0862H
Retail price: $ 5,360

Add to Cart

Morganite
Super Trillion™ Cut (Sold)

3.51 carats
9.3 mm
Item# MRG194R
Retail price: $ 982

SOLD

Spice Zircon
Regal Radiant™ Cut

3.52 carats
8.2 mm
Item# ZIR365H
Retail price: $ 1,126

Add to Cart

Parti Color Australian Sapphire
Super Trillion™ Cut

3.54 carats
8.1 mm
Item# PAS0771H
Retail price: $ 3,540

Add to Cart

Purple Spinel
Super Trillion™ Cut (Sold)

3.62 carats
8.4 mm
Item# PRS0181N
Retail price: $ 3,620

SOLD

Pink Tourmaline
Regal Radiant™ Cut

3.71 carats
10.3 mm
Item# PTR899N
Retail price: $ 1,996

Add to Cart

Australian Sapphire
Radiant Style Cut

3.73 carats
9.4 mm
Item# SAP5242H
Retail price: $ 4,850

Add to Cart

Golden Beryl
Deep Concave™ Cut (Sold)

3.77 carats
10.1 mm
Item# GBL023R
Retail price: $ 640

SOLD

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