Free Expedited Shipping + Free Returns.

Design
Your Ring

Choose Diamond

Choose Setting

Complete your Ring

Filters

Delivery Date

Diamond Shape

Shape is the silhouette of a diamond when viewed from the top. Diamonds are commonly available in 10 different shapes.
Round Princess Emerald Asscher Oval Cushion Radiant Pear Heart
Oscar

85% of diamonds sold are round, princess and cushion shapes. Currently trending? Ovals and emeralds.

Learn More

Diamond Price

Carat Weight

Cut Grade

Color Grade

Clarity Grade

Advanced Options

Showing 15 radiant cut 1.8 carat  diamonds

Best sellers
Most viewed
Best sparkle
Shape Carat Cut Color Clarity Polish Sym. Fluor. Table Depth Culet L/W Agency Price
Diamond Shape
Very GoodCut
GColor
VS2Clarity
EXPolish
EXSym.
NoneFluor.
68.0Table
69.8Depth
NCulet
1.01L/W
GIAAgency
$15,132Price

1.8 Carat Radiant Diamond

SKUD-36VFS0
PolishExcellent
SymmetryExcellent
Fluor.None
Table68.0%
Depth69.8%
CuletNone
GirdleSlightly Thick to Slightly Thick
LxW Ratio1.01
Measurements6.68mm x 6.63mm x 4.63mm
$15,132
Diamond Shape
Very GoodCut
HColor
VS2Clarity
EXPolish
EXSym.
NoneFluor.
66.0Table
69.5Depth
NCulet
1.24L/W
GIAAgency
$11,440Price

1.81 Carat Radiant Diamond

SKUD-R7YMRM
PolishExcellent
SymmetryExcellent
Fluor.None
Table66.0%
Depth69.5%
CuletNone
GirdleSlightly Thick to Slightly Thick
LxW Ratio1.24
Measurements7.61mm x 6.14mm x 4.26mm
$11,440
Diamond Shape
Very GoodCut
FColor
VS2Clarity
VGPolish
VGSym.
NoneFluor.
66.0Table
71.3Depth
NCulet
1.13L/W
GIAAgency
$11,578Price

1.82 Carat Radiant Diamond

SKUD-5QF5MK
PolishVery Good
SymmetryVery Good
Fluor.None
Table66.0%
Depth71.3%
CuletNone
GirdleMedium to Thick
LxW Ratio1.13
Measurements7.24mm x 6.38mm x 4.55mm
$11,578
Diamond Shape
Very GoodCut
GColor
SI1Clarity
EXPolish
VGSym.
FaintFluor.
67.0Table
66.2Depth
NCulet
1.00L/W
GIAAgency
$11,267Price

1.81 Carat Radiant Diamond

SKUD-NSR658
PolishExcellent
SymmetryVery Good
Fluor.Faint
Table67.0%
Depth66.2%
CuletNone
GirdleThick to Thick
LxW Ratio1.0
Measurements6.70mm x 6.67mm x 4.41mm
$11,267
Diamond Shape
Very GoodCut
FColor
VS2Clarity
EXPolish
EXSym.
NoneFluor.
67.0Table
67.9Depth
NCulet
1.43L/W
GIAAgency
$15,872Price

1.8 Carat Radiant Diamond

SKUD-R51S66
PolishExcellent
SymmetryExcellent
Fluor.None
Table67.0%
Depth67.9%
CuletNone
GirdleThick to Thick
LxW Ratio1.43
Measurements8.67mm x 6.07mm x 4.13mm
$15,872
Diamond Shape
Very GoodCut
FColor
VVS2Clarity
EXPolish
EXSym.
NoneFluor.
66.0Table
68.8Depth
NCulet
1.28L/W
GIAAgency
$16,106Price

1.85 Carat Radiant Diamond

SKUD-R5PRYM
PolishExcellent
SymmetryExcellent
Fluor.None
Table66.0%
Depth68.8%
CuletNone
GirdleSlightly Thick to Slightly Thick
LxW Ratio1.28
Measurements8.21mm x 6.43mm x 4.43mm
$16,106
Diamond Shape
GoodCut
FColor
VS2Clarity
EXPolish
EXSym.
NoneFluor.
70.0Table
69.8Depth
NCulet
1.02L/W
GIAAgency
$16,716Price

1.8 Carat Radiant Diamond

SKUD-36VFMB
PolishExcellent
SymmetryExcellent
Fluor.None
Table70.0%
Depth69.8%
CuletNone
GirdleThick to Very Thick
LxW Ratio1.02
Measurements6.75mm x 6.65mm x 4.64mm
$16,716
Diamond Shape
Very GoodCut
GColor
VS2Clarity
VGPolish
VGSym.
NoneFluor.
68.0Table
70.3Depth
NCulet
1.15L/W
GIAAgency
$14,552Price

1.84 Carat Radiant Diamond

SKUD-NW2JVK
PolishVery Good
SymmetryVery Good
Fluor.None
Table68.0%
Depth70.3%
CuletNone
GirdleSlightly Thick to Slightly Thick
LxW Ratio1.15
Measurements7.45mm x 6.47mm x 4.55mm
$14,552
Diamond Shape
GoodCut
GColor
SI1Clarity
VGPolish
VGSym.
NoneFluor.
72.0Table
70.6Depth
NCulet
1.05L/W
GIAAgency
$9,979Price

1.81 Carat Radiant Diamond

SKUD-NFNRS2
PolishVery Good
SymmetryVery Good
Fluor.None
Table72.0%
Depth70.6%
CuletNone
GirdleSlightly Thick to Thick
LxW Ratio1.05
Measurements7.14mm x 6.78mm x 4.79mm
$9,979
Diamond Shape
Very GoodCut
FColor
SI2Clarity
EXPolish
VGSym.
NoneFluor.
68.0Table
69.6Depth
NCulet
1.01L/W
GIAAgency
$12,333Price

1.83 Carat Radiant Diamond

SKUD-36V0HF
PolishExcellent
SymmetryVery Good
Fluor.None
Table68.0%
Depth69.6%
CuletNone
GirdleThick to Thick
LxW Ratio1.01
Measurements6.83mm x 6.78mm x 4.72mm
$12,333
Diamond Shape
Very GoodCut
JColor
VS2Clarity
EXPolish
VGSym.
FaintFluor.
66.0Table
66.9Depth
NCulet
1.30L/W
GIAAgency
$8,077Price

1.8 Carat Radiant Diamond

SKUD-79SFSX
PolishExcellent
SymmetryVery Good
Fluor.Faint
Table66.0%
Depth66.9%
CuletNone
GirdleSlightly Thick to Slightly Thick
LxW Ratio1.3
Measurements8.22mm x 6.30mm x 4.22mm
$8,077
Diamond Shape
Very GoodCut
EColor
VS2Clarity
EXPolish
VGSym.
NoneFluor.
67.0Table
70.2Depth
NCulet
1.25L/W
GIAAgency
$14,529Price

1.8 Carat Radiant Diamond

SKUD-R67F53
PolishExcellent
SymmetryVery Good
Fluor.None
Table67.0%
Depth70.2%
CuletNone
GirdleThick to Thick
LxW Ratio1.25
Measurements7.82mm x 6.25mm x 4.39mm
$14,529
Diamond Shape
Very GoodCut
EColor
SI1Clarity
VGPolish
GSym.
NoneFluor.
67.0Table
65.8Depth
NCulet
1.24L/W
GIAAgency
$14,048Price

1.8 Carat Radiant Diamond

SKUD-2RPVMF
PolishVery Good
SymmetryGood
Fluor.None
Table67.0%
Depth65.8%
CuletNone
GirdleVery Thin to Very Thick
LxW Ratio1.24
Measurements8.17mm x 6.57mm x 4.32mm
$14,048
Diamond Shape
GoodCut
IColor
SI1Clarity
VGPolish
VGSym.
NoneFluor.
71.0Table
68.0Depth
NCulet
1.30L/W
GIAAgency
$9,305Price

1.82 Carat Radiant Diamond

SKUD-NPW20F
PolishVery Good
SymmetryVery Good
Fluor.None
Table71.0%
Depth68.0%
CuletNone
GirdleMedium to Medium
LxW Ratio1.3
Measurements8.16mm x 6.28mm x 4.27mm
$9,305
Diamond Shape
Very GoodCut
EColor
SI2Clarity
VGPolish
GSym.
NoneFluor.
65.0Table
62.1Depth
VSCulet
1.09L/W
GIAAgency
$11,313Price

1.8 Carat Radiant Diamond

SKUD-07P1QX
PolishVery Good
SymmetryGood
Fluor.None
Table65.0%
Depth62.1%
CuletVery Small
GirdleThin to Extremely Thick
LxW Ratio1.09
Measurements7.60mm x 6.95mm x 4.32mm
$11,313
 One moment please...

Browse and build her a unique Radiant Cut, 1.8 Carat diamond engagement ring with a unique setting she'll cherish endlessly. Each of Ritani's responsibly sourced sourced loose diamonds comes with its very own GIA or AGSL certification report, detailing the diamond's 4C grades. After you select the stone that's right for you, complete your ring with a style from our diverse selection of ring settings, from timeless solitaires to sparkling antique halos. Use our customer service team and virtual gemologist to help guide you if you want trained assistance. You can preview your diamond or finished engagement ring at any one of our regional jeweler partners, based all over the US.


Chat Now