Diamond Natural 1.7Ct D-SI2 Marquise - GIA6542537123 1
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The 4 C’s of this diamond

Carat
Carat
1.70 ct

The weight of the diamond. Carat weight is a key factor in a diamond’s value.

Colour
Colour
D E F G H I J K L M N

Near colourless. Slight warmth visible to the trained eye.

Clarity
Clarity
SI2

Visible inclusions at 10×, may be eye-visible.

Cut
Cut
-

Excellent light performance and brilliance.

Natural Diamond Natural 1.7Ct D-SI2 Marquise - GIA6542537123

26890.13 (EUR)
From €40/month over 24 payments with
Natural diamond
GIA Certified
Delivery date
10 days
Secure delivery
Diamond Details
Color D
Shape Marquise
Clarity SI2
Cut Grade -
Lab GIA
Polish Excellent
Symmetry Excellent
Fluorescence None
Measurements 11.55 x 6.18 x 4.07
Depth 65.9
Table 57.0
Carat 1.70 ct
Price Per Carat 73671.00
Diamond certificate See the diamond certificate
Expert Guidance
Personal consultation with our jewelry specialists - at every step.

FIRESC Guide to Choosing a Diamond

Choosing a diamond shouldn’t be complicated. In practice, a diamond’s value and beauty are mainly determined by three essential elements: color, clarity and cut.

At FIRESC we always recommend choosing a balanced diamond — not necessarily the most expensive, but the one that offers the best visual beauty for your budget.

1. Diamond Color

Diamond color is graded from D to Z:

  • D-F → exceptionally white (very rare)
  • G-H → premium white (excellent beauty/value balance)
  • I-J → slightly warm, still very attractive in most settings
  • K+ → noticeable yellow tint

For most clients, G-H provides the best balance between a premium look and value.

Diamond color scale D-Z

FIRESC recommendations

  • For a very white appearance: F-G
  • Best value/quality balance: G-H
  • For a larger-looking diamond within the same budget: I-J

2. Diamond Clarity

Clarity indicates how “clean” a diamond is internally. Most inclusions are NOT visible to the naked eye.

  • FL / IF → extremely rare
  • VVS1-VVS2 → inclusions very difficult to see
  • VS1-VS2 → excellent for most clients
  • SI1-SI2 → small inclusions, sometimes invisible without magnification

In practice, many VS and some SI1 diamonds appear perfect to the human eye.

Diamond clarity grades

FIRESC recommendations

  • Ideal balance: VS1-VS2
  • Discreet premium: VVS2
  • Smart budget optimization: certain SI1 eye-clean diamonds

3. Diamond Cut

Cut is the most important factor for brilliance. A well-cut diamond can look larger, brighter and more valuable. A poorly cut diamond will look “dull,” even if it has excellent color and clarity.

Diamond cut comparison

FIRESC recommendation

Always choose Excellent or Very Good cut.

Better to have a diamond with color G, clarity VS2 and an Excellent cut than one with color D, clarity VVS1 but a poor cut.

FIRESC recommendation for most clients

For an elegant, spectacular diamond that’s well optimized as an investment:

  • ColorG-H
  • ClarityVS1-VS2
  • CutExcellent / Very Good
  • CertificateGIA / IGI

What truly matters?

A diamond should look beautiful in real light, have correct proportions, deliver authentic brilliance, and fit smartly within your budget.

At FIRESC, every diamond is selected so the client receives the maximum beauty and real value — not just impressive specifications on paper.

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26890.13 (EUR)
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Why choose this diamond

Hand-selected. Lab-certified. Yours alone.

Cut to bring out maximum fire and scintillation. This 1.70 ct D-SI2 marquise reads bright and lively even in low light.

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