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Oval|Natural|GIA

1.70ct M SI2 Oval Natural Diamond

M/SI2 • GIA 2557937165

Certificate GIA 2557937165

Diamond specifications and retailer prices

From €2,730 EUR
As of November 5, 2026
Save €2,026 EUR (43%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €4,756 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.7ct natural oval diamond

This 1.7ct natural oval sits in the one-and-a-half to two carat band, graded M colour (faint-tinted) and SI2 clarity (slightly-included) and certified by GIA 2557937165. Listed at 7 retailers as of November 5, 2026, with prices from €2,730 to €4,756, a €2,026 spread on the same certified stone. NZ Jewellers lists it at €4,756. 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
M
Colour
SI2
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557937165
Dimensions9.07 × 6.56 × 4.19 mm
L/W Ratio1.38
Culet sizeNone
Top View
9.07 mm6.56 mm1.70 ctM / SI2
OriginNatural
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557937165
Side View
Table 61.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 64.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: €4,756 EUR|Low: €2,227 EUR|High: €5,257 EUR|Avg: €3,078 EUR|-9.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 8€2,236 EUR
Retailer 4€2,730 EUR
Retailer 6€2,730 EUR
Retailer 2€2,792 EUR
Retailer 7€2,835 EUR
Retailer 5€3,150 EUR
Retailer 3€3,194 EUR
NZ Jewellers€4,756 EUR

29 data points across 8 retailers

7 retailers€2,730 EUR to €4,756 EUR

Retailer 1
-
€2,730 EUR
Price last confirmed 8 days ago
B+
Retailer 2
-
€2,730 EUR
View
B+
Retailer 3
-
€2,792 EUR
View
B+
Retailer 4
-
€2,835 EUR
View
B
Retailer 5
-
€3,150 EUR
View
B
Retailer 6
-
€3,194 EUR
View
Most Expensive
C
NZ Jewellers
0ed82e6c-ceda-4806-b961-116e4083b899 · Nov 5
€4,756 EUR
$5,310 USD
View
6 more retailers have this diamond
Prices start from €2,730 EURSave up to €2,026 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 Oval
€2,730 EUR