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Marquise|Natural|GIA

1.70ct K SI2 Marquise Natural Diamond

K/SI2

Diamond specifications and retailer prices

From €6,862 EUR
As of November 6, 2026
Save €5,138 EUR (43%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €12,000 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.7ct natural marquise diamond

This 1.7ct natural marquise sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included) and certified by GIA. Listed at 3 retailers as of November 5, 2026, with prices from €6,862 to €12,000, a €5,138 spread on the same certified stone. NZ Jewellers lists it at €12,000. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.70
Carat
K
Colour
SI2
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
Dimensions12.00 × 6.22 × 3.95 mm
L/W Ratio1.93
Top View
12.00 mm6.22 mm1.70 ctK / SI2
OriginNatural
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA
Side View
Table 59.0%CrownGirdle: MediumPavilionCulet: NoneDepth 63.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: €12,000 EUR|Low: €6,389 EUR|High: €12,000 EUR|Avg: €8,316 EUR
NZ Jewellers
Retailer 2
Retailer 3
November 3, 2026
Retailer 3€6,862 EUR
Retailer 2€7,235 EUR
NZ Jewellers€12,000 EUR

4 data points across 3 retailers

3 retailers€6,862 EUR to €12,000 EUR

B
Cheapest Retailer
-
€6,862 EUR
C
Retailer 2
-
€7,235 EUR
View
Most Expensive
C
NZ Jewellers
365a3105-3c30-41e5-a945-6f2ec40a0c05 · Nov 5
€12,000 EUR
$13,398 USD
View
2 more retailers have this diamond
Prices start from €6,862 EURSave up to €5,138 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B
1.70ct Marquise
€6,862 EUR