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  • 1.63 Carat Cushion Loose Diamond, S-T, SI1, Ideal, GIA Certified
  • 1.63 Carat Cushion Loose Diamond, S-T, SI1, Ideal, GIA Certified
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  • Table%: {{productSpecs.table}}%Depth%: {{productSpecs.depth}}%Depth: {{productSpecs.newDepth}}mmGirdle: {{productSpecs.girdle}}Culet: {{productSpecs.culet}}
  • 1.63 Carat Cushion Loose Diamond, S-T, SI1, Ideal, GIA Certified
  • 1.63 Carat Cushion Loose Diamond, S-T, SI1, Ideal, GIA Certified | Thumbnail
  • Width: {{productSpecs.theWidth}}mmLength to Width: {{productSpecs.ltw}} to 1Length: {{productSpecs.theLength}}mm
  • Table%: {{productSpecs.table}}%Depth%: {{productSpecs.depth}}%Depth: {{productSpecs.newDepth}}mmGirdle: {{productSpecs.girdle}}Culet: {{productSpecs.culet}}
  • GIA Certificate

1.63 Carat Cushion Loose Diamond, S-T, SI1, Ideal, GIA Certified

This S-T color, SI1 clarity, and Ideal make (cut) certified loose diamond comes with a report from the GIA.

Stock Number: D17578169
Availability: Unavailable
In-Store Price: $3,423CA$4,562.60AU$4,795.97€3,011.78£2,643.65HK$26,855.39NZ$5,050.16SG$4,651.50
Our Price: $2,282CA$3,041.73AU$3,197.31€2,007.85£1,762.43HK$17,903.59NZ$3,366.78SG$3,101.00
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Stock Number: D17578169
Our Price: $2,282 CA$3,041.73 AU$3,197.31 €2,007.85 £1,762.43 HK$17,903.59 NZ$3,366.78 SG$3,101.00
Shape:
Cushion
Carat Weight:
1.63 ct.
Color:
S-T
Clarity:
SI1
Cut:
Ideal
Certification:
GIA
Depth %:
68.7 %
Table %:
56 %
Polish:
Excellent
Symmetry:
Excellent
Cut Grade:
Excellent
Measurements:
6.54x6.47x4.45 mm
Length to Width:
1.01
Girdle:
Thick - V. Thick
Culet:
None
Fluorescence:
None
Certification Lab: GIA (Gemological Institute of America)
Status: Available

The GIA is considered to be the world's foremost authority in gemology. A GIA Diamond Grading Report is the most widely understood and trusted set of credentials that can accompany a diamond.

VIEW GIA REPORT

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Carat Weight: 1.63 ct.

Carat is the unit of weight of a diamond. Your diamond is 1.63 ct. – significantly heavier than the average purchased carat weight of 0.90 ct.

Your
Diamond

1.63 ct.

6.54 mm.
estimated visual size*
Average
Purchased

0.90 ct.
5.35 mm.
estimated visual size*
Color Grade: S-T
Cut: Ideal

Your diamond's cut exhibits ideal brilliance and fire through superb reflection of light. Ideal Make diamonds have a superior level of craftsmanship, emitting the most brilliance and light. Consumers seeking premium cuts prefer Ideal Make diamonds.

Ideal Cut Diagram
ideal diamond visualization*
Clarity Grade: SI1

Your diamond has a SI1 clarity rating. While all diamonds are unique, FL - VS2 grades are considered always clean to the naked eye. SI1 - SI2 are almost always eye clean.

FL IF
VVS1 VVS2
VS1 VS2
SI1 SI2 SI3
I1
= Your Diamond= Always Eye Clean= Mostly Eye Clean