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 Pink Purple Red 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 Pink Purple Red 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)

1.42 carats
6.3 mm
Item# PAS888H
Retail price: $ 1,776

SOLD

New Parti Color Australian Sapphire
Starbrite™ Cut (Sold)

1.45 carats
9.6 x 6.5 mm
Item# PAS5821H
Retail price: $ 2,570

SOLD

Pink Sapphire
Starbrite™ Cut

1.45 carats
7.2 mm
Item# PSP5642N
Retail price: $ 4,930

Add to Cart

Blue Australian Sapphire
Radiant Style Cut (Sold)

1.46 carats
6.6 mm
Item# BSP799H
Retail price: $ 1,994

SOLD

Parti Color Australian Sapphire
Starbrite™ Cut (Sold)

1.47 carats
7.0 mm
Item# PAS899H
Retail price: $ 1,996

SOLD

Parti Color Australian Sapphire
Radiant Style Cut

1.47 carats
6.8 x 5.9 mm
Item# PCS7411H
Retail price: $ 2,294

Add to Cart

Color Change Garnet
Regal Radiant™ Cut

1.48 carats
6.3 mm
Item# GRN6771N
Retail price: $ 3,552

Add to Cart

Parti Color Australian Sapphire
Starbrite™ Cut (Sold)

1.49 carats
8.3 x 6.0 mm
Item# PAS969H
Retail price: $ 1,938

SOLD

Mali Garnet
Regal Radiant™ Cut (Sold)

1.49 carats
6.5 mm
Item# MAL373N
Retail price: $ 746

SOLD

Yellow/Green Sapphire
Regal Radiant™ Cut (Sold)

1.49 carats
6.7 mm
Item# YGS899N
Retail price: $ 1,996

SOLD

Blue Sapphire
Deep Concave™ Cut (Sold)

1.49 carats
6.8 mm
Item# BSP8871N
Retail price: $ 3,576

SOLD

Yelllow Sapphire
Starbrite™ Cut

1.49 carats
6.6 x 6.6 mm
Item# YSP0941N
Retail price: $ 2,980

Add to Cart

Blue Montana Sapphire
Starbrite™ Cut (Sold)

1.57 carats
8.1 mm
Item# BSP9941H
Retail price: $ 2,998

SOLD

Tsavorite Garnet
Dreamscape™ Cut

1.59 carats
10.4 x 6.9 mm
Item# TSV9471N
Retail price: $ 3,498

Add to Cart

Purple Sapphire
Starbrite™ Cut (Sold)

1.59 carats
6.8 mm
Item# PRS6781N
Retail price: $ 3,752

SOLD

White Sapphire
Regal Radiant™ Cut (Sold)

1.59 carats
6.5 mm
Item# PIS2531N
Retail price: $ 2,704

SOLD

Yellow Australian Sapphire
Starbrite™ Cut (Sold)

1.68 carats
7.1 mm
Item# YSP6711H
Retail price: $ 2,352

SOLD

Green Tourmaline
JD Select™ Outsourced Cut

1.69 carats
7.2 mm
Item# TRO022H
Retail price: $ 550

Add to Cart

White Sapphire
Super Trillion™ Cut (Sold)

1.71 carats
6.3 mm
Item# WSP988N
Retail price: $ 1,778

SOLD

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Gray Sapphire
Deep Concave™ Cut

1.73 carats
6.9 x 6.9 mm
Item# BGR6941H
Retail price: $ 2,992

Add to Cart

Parti Color Peach Montana Sapphire
Radiant Style Cut (Sold)

1.77 carats
7.0 mm
Item# PCS6813H
Retail price: $ 6,372

SOLD

Gypsy Rose Garnet
JD Select™ Outsourced Cut

1.83 carats
7.0 mm
Item# GRG561N
Retail price: $ 413

Add to Cart

New Purple Tanzanite
Radiant Style Cut

1.83 carats
7.8 mm
Item# TAN877H
Retail price: $ 1,556
Check Availability

Spessartite Garnet
Regal Radiant™ Cut

1.86 carats
8.1 x 6.5 mm
Item# SPG935N
Retail price: $ 1,078

Add to Cart

Tanzanite
Radiant Style Cut (Sold)

1.88 carats
7.9 mm
Item# TNZ347N
Retail price: $ 1,486

SOLD

Parti Color Australian Sapphire
Super Trillion™ Cut (Sold)

1.90 carats
6.3 mm
Item# PAS0041H
Retail price: $ 2,800

SOLD

Light Pink Tourmaline
Starbrite™ Cut (Sold)

1.90 carats
9.0 mm
Item# PTR245N
Retail price: $ 1,084

SOLD

Unheated Parti Color Sapphire
Starbrite™ Cut

1.94 carats
7.9 mm
Item# PAS0491N
Retail price: $ 3,880

Add to Cart

Morganite
Starbrite™ Cut (Sold)

1.95 carats
8.0 mm
Item# MRG223R
Retail price: $ 644

SOLD

Purple Sapphire
Starbrite™ Cut

1.96 carats
7.5 mm
Item# PRS4472N
Retail price: $ 5,488

Add to Cart

Chrome Tourmaline
Radiant Style Cut (Sold)

1.98 carats
8.2 x 7.2 mm
Item# CRT297N
Retail price: $ 1,584

SOLD

Pink Sapphire
Regal Radiant™ Cut

1.99 carats
7.7 x 7.7 mm
Item# PSP6872N
Retail price: $ 5,572
Check Availability

Client Testimonial Sapphire
Super Trillion™ Cut (Sold)

2.01 carats
6.0 x 6.0 mm
Item# TST8163N
Retail price: $ 7,236

SOLD

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

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

Add to Cart

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

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

New 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

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

Gypsy Rose Garnet
Radiant Style Cut (Sold)

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

SOLD

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