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Designer Bracelet with Round and Trilliant Cut Diamonds. D7.94ct.t.w.
Located in Los Angeles, CA
set trilliant cut diamonds. D7.94ct.t.w.
Category

2010s American Cuff Bracelets

Materials

Diamond, 18k Gold

Trilliant Cut Tanzanite and Diamond Pendant Necklace in 18k White Gold
Located in London, England
presented in different lighting! The tanzanite is suspended from a smaller trilliant cut diamond on a 16
Category

2010s Modern Pendant Necklaces

Materials

Diamond, Tanzanite, Gold, 18k Gold, White Gold

Georgios Collections 18 Karat White Gold Trilliant Tanzanite and Diamond Ring
By Georgios Collections Inc
Located in Astoria, NY
S.Georgios designer 18 Karat solid White Gold tanzanite and diamond wide band ring all handmade
Category

21st Century and Contemporary Greek Byzantine Band Rings

Materials

Diamond, White Diamond, Tanzanite, Blue Diamond, Black Diamond, Multi-ge...

Emilio Jewelry Gia Certified 37.00 Carat Trilliant Cut Diamond Necklace Layout
By Emilio!
Located in New York, NY
fancy colored diamonds, precious gems, and specialize in only the most valuable, rare one of kind pieces
Category

21st Century and Contemporary Choker Necklaces

Materials

Diamond

Oscar Heyman Trilliant Cut Diamond Ruby Platinum 18K Gold Triangle Halo Ring
By Oscar Heyman
Located in Philadelphia, PA
Centering a trilliant cut diamond weighing approximately 0.60 carat - G color with VS2 clarity
Category

Vintage 1980s Engagement Rings

Materials

Diamond, Ruby, Gold, 18k Gold, Yellow Gold, Platinum

18K Invisible Set Buff Top Sapphire Trilliant Round Diamond Wide Cocktail Ring
Located in Winter Springs, FL
brilliant diamonds wrap the perimeter in a delicate bead-set border, while two triangular brilliant-cut
Category

Late 20th Century Contemporary Cocktail Rings

Materials

Diamond, Sapphire

3.26 Carat Enhanced Fancy Color Green Diamond Necklace Side Trilliants 14 Karat
Located in New York, NY
2.46ct. Oval diamond Treated Green color Si-2 clarity *Coating process. .80ct. Side diamonds
Category

2010s American Pendant Necklaces

Materials

Diamond, 14k Gold, White Gold

Estate 18K Trilliant Pink Sapphire Diamond Openwork Wide Band Cocktail Ring Sz 7
Located in Winter Springs, FL
diamonds and richly colored gemstones. The piece is set with approximately 1.00 carat total weight of round
Category

21st Century and Contemporary Contemporary Cocktail Rings

Materials

Diamond, Pink Sapphire, 18k Gold, Yellow Gold

2.38 Carat Natural Purple Brown Sapphire Trilliant Gold Diamond Engagement Ring
Located in Stamford, CT
Sapphire and diamond engagement ring. GIA certified oval purple/ brown natural no heat, no
Category

Late 20th Century Engagement Rings

Materials

Diamond, Sapphire, 18k Gold, Yellow Gold, Gold

Toi et Moi Ring Fancy Intense Yellow Diamond Trilliant Oval Cut Scarselli GIA
By SCARSELLI
Located in New York, NY
. Trilliant and oval cut intense yellow diamond toi et moi cocktail or engagement ring studded with over 100
Category

2010s American Contemporary Engagement Rings

Materials

Yellow Diamond, 18k Gold, Yellow Gold

14 Karat Gold Solitare Trilliant Salt and Pepper Diamond Ring Enter, 2.04 Carat
Located in San Francisco, CA
This Earthy design solitaire ring features a faceted 2.04 -Carat Salt & Pepper Trilliant Natural
Category

21st Century and Contemporary American Engagement Rings

Materials

Diamond, Yellow Gold

GRS Certified Trilliant Cut Burma Ruby and Diamond Long Frame Toi Et Moi Ring
By Gad Co.
Located in Miami, FL
18k white gold ring with an elongated oval shape. Features two trilliant-cut gemstones: a 0.83
Category

2010s Burmese Modern Cocktail Rings

Materials

Diamond, Ruby, 18k Gold, White Gold

Hexagonal art deco ring with a 1.8ct G/vvs trilliant cut diamond, ca 1930.
Located in Malmö, Skåne län
850 thousandths, set with a claw-set triangle-cut diamond in a double setting of old-cut and 8/8-cut
Category

Vintage 1930s French Art Deco Cocktail Rings

Materials

Diamond, Platinum

3.11 Carat Trilliant Tanzanite Blue Fashion Necklaces In 14k Yellow Gold
Located in Chicago, IL
This piece comes directly from the vault of Atlantic Diamond Company—a family-run fine jewelry
Category

2010s American Contemporary Chain Necklaces

Materials

Tanzanite, 14k Gold, Yellow Gold

Diamond Amethyst Gold Bangle
Located in New York, NY
This is a fabulous 18k yellow gold bangle. The bangle is set with sparkling round cut diamond and
Category

20th Century Bangles

Materials

Diamond, 18k Gold

GIA Certified 6.70cttw Diamond Drop Earrings
Located in New York, NY
, marquise, round and trilliant cut diamonds that weigh 6.70ct. All of the diamonds are GIA certified except
Category

20th Century Drop Earrings

Materials

Diamond, 14k Gold

1.27 Carat Fancy Vivid Yellow Diamond Drop Earring
By Malpani Jewels
Located in Hung Hom, HK
1.27 carat of Natural Fancy Vivid Yellow diamonds are set along with 1.27 carats of white trilliant
Category

2010s Hong Kong Modern Drop Earrings

Materials

Diamond, White Diamond, Yellow Diamond, 18k Gold

Swiss Modern Diamond Earrings
Located in Litchfield, CT
Circa 1980s, 18k, Swiss. Set with 8.50 carats of fine white diamonds (G color, VS clarity), these
Category

Vintage 1980s Swiss Modernist Clip-on Earrings

Materials

Diamond, 18k Gold, White Gold, Yellow Gold

2.50ct Sapphire 0.80ct Diamond Engagement Ring
Located in New York, NY
that weighs approximately 2.50ct. The center stone is accentuated by sparkling trilliant cut diamonds
Category

20th Century Engagement Rings

Materials

Diamond, Sapphire, Platinum

Vintage diamond platinum "star of David" necklace
Located in Beverly Hills, CA
This vintage platinum necklace from the 1980’s features seven trilliant cut diamonds totaling
Category

Vintage 1980s Modern Pendant Necklaces

Materials

Diamond, Platinum

Estate 17k White Gold Diamond Halo Ring
Located in New York, NY
Featuring four trilliant cut diamonds assembled into a circle surrounded by a halo of smaller
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, 15k Gold

14.36 Carat Tanzanite Diamond Three Stone Ring
Located in West Palm Beach, FL
weighing 14.36 carats. It is elegantly flanked by two trilliant cut diamonds totaling 1.42 carats, I color
Category

21st Century and Contemporary Unknown Modern Three-Stone Rings

Materials

Diamond, Tanzanite, Platinum

10.81ct Fancy Yellow Radiant Cut Three-Stone Diamond Ring
Located in New York, NY
two colorless Trilliant-cut side diamonds (0.82ct and 0.80ct), the composition enhances the center
Category

21st Century and Contemporary American Modern Engagement Rings

Materials

Diamond, Yellow Diamond, 18k Gold, Yellow Gold, Platinum

Multi Color Gemstone 1.50ct Diamond Gold Pin
Located in New York, NY
This is a fabulous 18k yellow gold pin. The pin is set sparkling round and trilliant cut diamonds
Category

20th Century Brooches

Materials

Diamond, Gold, 18k Gold, Yellow Gold

Fancy Yellow Diamond Ring, 20.28 Carat
Located in New Orleans, LA
trilliant-cut white diamonds of G color weighing 4.56 total carats in its platinum and 18k yellow gold
Category

21st Century and Contemporary American Modern Engagement Rings

Materials

White Diamond, Yellow Diamond, 18k Gold, Yellow Gold

Natural 0.33cts Diamond Ring in 14K Gold
Located in jaipur, IN
round diamonds. The ring's trilliant-cut center diamond is securely set in a four-prong setting and is
Category

2010s Indian Band Rings

Materials

Diamond, 14k Gold

Cushion Brilliant Platinum Diamond Engagement Ring
Located in New York, NY
and lively trilliant cut diamonds on either shank weighing a total of 0.81 carats. Ring size 6, can be
Category

2010s Bridal Rings

Materials

Diamond, Platinum

Vintage 3.01ct Diamond Three Stone Ring, c.1970s
Located in London, GB
in clarity. The flanking diamonds are trilliant cut stones, each weighing 0.75 carat and
Category

Vintage 1970s North American Three-Stone Rings

Materials

Diamond, Platinum

Vintage diamond 14k yellow gold cocktail ring
Located in Beverly Hills, CA
This vintage ring from the 1970s features a striking duo of trilliant cut diamonds totaling
Category

Vintage 1970s Modern Cocktail Rings

Materials

Diamond, Gold, 14k Gold, Yellow Gold

GIA Certified 7.40 Ct. Fancy Yellow Diamond Engagement Platinum Ring
Located in Chicago, IL
enhanced by two natural trilliant shaped side diamonds, which together weigh approximately 1.20 ct, both
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, Yellow Diamond, 18k Gold, Yellow Gold, Platinum

Fancy Yellow VVS-VS Clarity Diamond Ring
Located in บางรัก, TH
Set with- Stone type: Diamond Shape: Trilliant Carat: 0.41 Colour: Fancy Yellow Clarity
Category

2010s Asian Engagement Rings

Materials

Diamond, 18k Gold, White Gold

Emilio Jewelry 33.00 Carat Diamond Necklace
By Emilio!
Located in New York, NY
brownish yellow 1.39ct 1 Gia certified trilliant fancy light yellow diamond 1.35ct additional diamonds
Category

21st Century and Contemporary Drop Necklaces

Materials

Diamond, 18k Gold

Fancy Yellow VVS - VS Clariy Diamond Ring
Located in บางรัก, TH
Set with- Stone type: Diamond Shape: Trilliant Carat: 0.03 Colour: Fancy Yellow Clarity
Category

2010s Asian Engagement Rings

Materials

Diamond, 18k Gold, White Gold

Square Cut Emerald and Diamond Ring Gold
Located in Firenze, FI
This is a Gorgeous Colombian Emerald and Trilliant Cut Diamond. set with a square cut Colombian
Category

21st Century and Contemporary Italian Three-Stone Rings

Materials

Diamond, Emerald, Gold

Tourmaline and Diamond Ring Handmade by Pampillonia
By Pampillonia
Located in Bethesda, MD
center stone are two brilliant trilliant-cut diamonds, with a combined weight of 1.08 carats. The
Category

21st Century and Contemporary American Three-Stone Rings

Materials

Diamond, Tourmaline, Platinum

1.50 Carat Diamond Yellow Gold Engagement Ring
Located in Miami, FL
flanked by two trilliant cut diamonds and 12 round brilliant cut diamonds weighing .36cts. The ring is a
Category

21st Century and Contemporary American Engagement Rings

Materials

Diamond, White Diamond, 18k Gold, Yellow Gold

5.75ct Sapphire 1.75ct Diamond Engagement Ring
Located in New York, NY
sapphire that weighs approximately 5.75ct. The sapphire is accentuated by sparkling baguette and trilliant
Category

20th Century Engagement Rings

Materials

Diamond, Sapphire, 18k Gold

Enticing Triangle Cut Diamond Gold Earrings
Located in New York, NY
Made of 14k white gold, these earrings feature two trilliant cut diamonds that weigh approximately
Category

Late 20th Century Stud Earrings

Materials

Diamond, 14k Gold, White Gold

2.16 Carat GIA Diamond Platinum Engagement Ring
Located in New York, NY
trilliant cut diamonds that weigh approximately 0.75ct. graded G color with VS1 clarity. The top of the ring
Category

20th Century Contemporary Engagement Rings

Materials

Diamond, Platinum

Vintage AGL 5.82 carat Ceylon sapphire diamond platinum engagement ring
Located in Beverly Hills, CA
trilliant cut diamonds totaling approximately 1.40 carats, graded F-G color and VS clarity, along with
Category

Vintage 1980s Modern Engagement Rings

Materials

Diamond, Sapphire, Platinum

GRAFF Gubelin Certified Colombian Emerald Diamond Three-Stone Ring
By Graff
Located in Chicago, IL
center stone is flanked by two trilliant-cut natural diamonds, totaling approximately 0.69 carats, graded
Category

Early 2000s British Contemporary Cocktail Rings

Materials

Diamond, Emerald, White Diamond, Platinum, 18k Gold

AGL 9.36 carat no heat sapphire diamond platinum three stone ring
Located in Beverly Hills, CA
sapphire is complemented by two trilliant cut diamonds totaling 0.98 carats, graded F-G color and VS
Category

21st Century and Contemporary Three-Stone Rings

Materials

Diamond, Sapphire, Platinum

1960s GIA Certified 1.15ct Asscher Cut Diamond Ring
Located in New York, NY
1.15ct. and is graded I color with VVS2 clarity. The center diamond is flanked by trilliant and baguette
Category

Vintage 1960s Engagement Rings

Materials

Diamond, Platinum

GIA 7.40 Carats Sapphire And Diamond White Gold Necklace
By Shimon s Creations
Located in New York, NY
, 1 Round Cut and 2 Trilliant Cut 4 Diamonds: 0.09 Carat White, Round Cut Metal: 18K White Gold, 6
Category

2010s Drop Necklaces

Materials

Diamond, Sapphire, 18k Gold, White Gold

GIA Certified 11.83 Carat Fancy Yellow Diamond Engagement Platinum Ring
Located in Chicago, IL
natural trilliant shaped side diamonds, which together weigh approximately 1.20 ct, both graded E-F in
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, Yellow Diamond, 18k Gold, Yellow Gold, Platinum

1.01 Carat Oval Cut Diamond Engagement Ring
Located in New York, NY
dazzling trilliant cut diamonds that weigh approximately 0.30ct. graded H color with VS2 clarity. The top
Category

20th Century Engagement Rings

Materials

Diamond, Platinum

GIA Certified 5.75 Carat Green Emerald Diamond Ring
By Antinori Fine Jewels
Located in Chicago, IL
are two colorless, trilliant-cut diamonds, adding an extra touch of elegance and brilliance. The ring
Category

2010s Italian Contemporary Engagement Rings

Materials

Diamond, White Diamond, Emerald, 18k Gold, White Gold, Yellow Gold

1.46 Carat Fancy Yellow Diamond Three-Stone Platinum Engagement Ring
Located in Stamford, CT
diamonds in a three-stone platinum setting with 2 Trilliant cut side diamonds. Extra fine fancy intense
Category

21st Century and Contemporary Three-Stone Rings

Materials

Diamond, Yellow Diamond, Platinum

GIA Certified 2.74ct Diamond Hour Glass Pendant Necklace
Located in New York, NY
GIA certified trilliant cut diamonds that weigh 1.48ct and 1.26ct. The color of the diamonds is J with
Category

20th Century Pendant Necklaces

Materials

Diamond, 14k Gold

Emilio Jewelry 12.29 Carat Emerald Diamond Ring
By Emilio!
Located in New York, NY
no imperfections visible to the naked eye. Set with trilliant shape diamonds side stones .65ct E-F
Category

21st Century and Contemporary Three-Stone Rings

Materials

Diamond, White Diamond, Emerald, 18k Gold, Platinum

GIA Certified 1.36 Cts Cushion Cut Fancy Intense Orangy Yellow Diamond Ring
Located in New York, US
Centering a Fancy Intense Orangy Yellow diamond, flanked by 2 trilliant cut diamonds. - Fancy
Category

2010s American Cocktail Rings

Materials

Yellow Diamond, Diamond, Platinum

Sapphire and Diamond 3 Stone Ring in Rose Gold
Located in Coral Gables, FL
14 Karat Rose Gold 3 Stone Ring Featuring A 0.83 Carat Round Sapphire Accented by 2 Trilliant Cut
Category

21st Century and Contemporary Three-Stone Rings

Materials

Diamond, Sapphire, 14k Gold, Rose Gold

GRS 4.63 Carat BURMA NO HEAT Cushion Cut Diamond Cocktail Ring
By Antinori Fine Jewels
Located in Chicago, IL
captivating center stone, weighing an impressive 4.63 carats, is surrounded by trilliant-shaped diamonds,
Category

2010s Unknown Contemporary Cocktail Rings

Materials

Diamond, White Diamond, Blue Sapphire, 18k Gold

Alexander Beverly Hills GIA 6.05ct Princess Cut Diamond 3-Stone Ring Platinum
By Alexander Beverly Hills
Located in BEVERLY HILLS, CA
grade (faces up like K color), VS2 clarity grade, GIA certified. Side stones, 2 trilliant cut diamond
Category

21st Century and Contemporary American Contemporary Three-Stone Rings

Materials

Diamond, White Diamond, Platinum

Art Deco Sapphire Diamond Platinum Engagement Ring
Located in New York, NY
accentuated by round cut diamond and trilliant cut sapphire accents. The ring is stamped PLATINUM and
Category

Early 20th Century Art Deco Engagement Rings

Materials

Diamond, Sapphire, Platinum

GRS 6.71 Carat Vivid Green Emerald Cut Diamond Ring
By Antinori Fine Jewels
Located in Chicago, IL
minor treatment. The side trilliant cut diamonds are estimated to be vs1 clarity and F color with
Category

2010s Italian Modern Engagement Rings

Materials

Diamond, White Diamond, Emerald, Platinum, 18k Gold, Yellow Gold

Peter Suchy GIA 15.30 Carat Green Sapphire Diamond Platinum Engagement Ring
By Peter Suchy
Located in Stamford, CT
magnificent gem are two trilliant cut diamonds, meticulously set to enhance the sapphire's natural coloring
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Green Sapphire, Platinum

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Trilliant Diamond For Sale on 1stDibs

On 1stDibs, you can find the most appropriate trilliant diamond for your needs in our varied inventory. Frequently made of Gold, 14k Gold and White Gold, this item was constructed with great care. Find an antique version now, or shop for 13 vintage or 48 modern creation for a more contemporary example of these cherished accessories. Finding the perfect trilliant diamond may mean sifting through those created during different time periods — you can find an early version that dates to the 20th Century and a newer variation that were made as recently as the 21st Century. For this particular piece, 1 Carat and 1.5 Carat are consistently popular carat weights. Creating a trilliant diamond has been a part of the legacy of many jewelers, but those produced by Georgios Collections Inc, Lester Lampert and Tiffany Co. are consistently popular. A trillion cut version of this piece has appeal, but there are also oval cut and emerald cut versions for sale. When shopping for a trilliant diamond, you’ll find that there are less available pieces for unisex or men today than there are for women.

How Much is a Trilliant Diamond?

On average, a trilliant diamond at 1stDibs sells for $5,800, while they’re typically $680 on the low end and $68,500 for the highest priced versions of this item.

The Legacy of Diamond in Jewelry Design

Antique diamond rings, diamond tiaras and dazzling vintage diamond earrings are on the wish lists of every lover of fine jewelry. And diamonds and diamond jewelry are primarily associated with storybook engagements and red-carpet grand entrances — indeed, this ultra-cherished gemstone has a dramatic history on its hands.

From “A Diamond Is Forever” to “Diamonds Are a Girl’s Best Friend,” pop culture has ingrained in our minds that diamonds are the most desired, the most lasting and the most valuable gemstone. But what makes the diamond so special? Each stone — whether it’s rubies, sapphires or another stone — is unique and important in its own right. April babies might claim diamonds for themselves, but just about everyone wants this kind of sparkle in their lives!

There are several factors that set diamonds apart from other stones, and these points are important to our gem education.

Diamonds are minerals. They are made up of almost entirely of carbon (carbon comprises 99.95 percent; the remainder consists of various trace elements). Diamonds are the hardest gemstones, ranking number 10 on the Mohs Hardness Scale. Even its name, diamond, is rooted in the Greek adamas, or unconquerable. The only object that can scratch a diamond is another diamond. Diamonds are formed deep within the earth at very high temperatures (1,652–2,372 degrees Fahrenheit at depths between 90 and 120 miles beneath the earth’s surface) and are carried up by volcanic activity. Diamonds are quite rare, according to the Gemological Institute of America, and only 30 percent of all the diamonds mined in the world are gem quality.

In the 1950s, the Gemological Institute of America developed the 4Cs grading system to classify diamonds: clarity, color, cut and carat weight. Not all diamonds are created equal (there are diamonds, and then there are diamonds). The value of the diamond depends on the clarity (flawless diamonds are very rare but a diamond's value decreases if there are many blemishes or inclusions), color (the less color the higher the grade), cut (how the diamond’s facets catch the light, certain cuts of diamonds show off the stone better than others) and carat weight (the bigger, the better).

When you start shopping for a diamond engagement ring, always prioritize the cut, which plays the largest role in the diamond's beauty (taking the time to clean your diamond ring at least every six months or so plays a role in maintaining said beauty). And on 1stDibs, a range of buying guides can be found for those in the market for antique engagement ringsvintage engagement rings or Art Deco engagement rings

Shop antique and vintage diamond rings, diamond necklaces and other extraordinary diamond jewelry on 1stDibs.