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  4. 1.70 Carat Marquise Loose Diamond, I, SI1, Super Ideal, IGI Certified
  • 1.70 Carat Marquise Loose Diamond, I, SI1, Super Ideal, IGI Certified
  • 1.70 Carat Marquise Loose Diamond, I, SI1, Super Ideal, IGI Certified
  • Width: 6.26mm Length to Width: 1.94 to 1 Length: 12.17mm
  • Table%: 56% Depth%: 59.6% Depth: 3.73mm Girdle: Thick - V. Thick Culet: n/a
  • 1.70 Carat Marquise Loose Diamond, I, SI1, Super Ideal, IGI Certified
  • 1.70 Carat Marquise Loose Diamond, I, SI1, Super Ideal, IGI Certified | Thumbnail
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  • Width: 6.26mm Length to Width: 1.94 to 1 Length: 12.17mm
  • Table%: 56% Depth%: 59.6% Depth: 3.73mm Girdle: Thick - V. Thick Culet: n/a
  • IGI Certificate

1.70 Carat Marquise Loose Diamond, I, SI1, Super Ideal, IGI Certified

This I color, SI1 clarity, and Super Ideal make (cut) certified loose diamond comes with a report from the IGI.

Stock Number: D112338236
Availability: Unavailable
In-Store Price: $9,777
Our Price: $6,518
Finance Option

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Stock Number: D112338236
Our Price: $6,518
Shape:
Marquise
Carat Weight:
1.70 ct.
Color:
I
Clarity:
SI1
Cut:
Super Ideal
Certification:
IGI
Depth %:
59.6 %
Table %:
56 %
Polish:
Excellent
Symmetry:
Excellent
Measurements:
12.17x6.26x3.73 mm
Length to Width:
1.94
Girdle:
Thick - V. Thick
Culet:
n/a
Fluorescence:
Medium
Certification Lab: IGI (International Gemological Institute)
Status: Upon Request

The IGI is recognized for grading thousands of loose diamonds every year. An IGI certificate is comprised of a detailed analysis of a diamond's characteristics by several expert gemologists.

Sample IGI Report
Fill out the form below to request the diamond report.

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Carat Weight: 1.70 ct.

Carat is the unit of weight of a diamond. Your diamond is 1.70 ct. – significantly heavier than the average purchased carat weight of 0.90 ct.

Your
Diamond

1.70 ct.

12.17 mm.
estimated visual size*
Average
Purchased

0.90 ct.
9.4 mm.
estimated visual size*
Color Grade: I

Your diamond’s color rating is I color and in the range. G,H,I,J (near colorless) are the most chosen color grades.

D E F
G H I J
K L M
= Your Diamond= Most Chosen
Cut: Super Ideal

Your diamond’s cut reflects the maximum amount of light, exhibiting unrivaled brilliance and fire. Super Ideal Make diamonds are extremely rare, with only 5% of our loose diamond assortment receiving this grade. These diamonds include those with the most ideal specifications for every aspect of their cut.

Super 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