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Round|Natural|GIA

1.70ct M SI2 Round Natural Diamond

EX • M/SI2 • GIA 6511976194

Certificate GIA 6511976194

Diamond specifications and retailer prices

From €2,580 EUR
As of November 4, 2026
Save €3,025 EUR (54%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €5,605 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.7ct natural round diamond

This 1.7ct natural round sits in the one-and-a-half to two carat band, graded M colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6511976194. Listed at 7 retailers as of November 4, 2026, with prices from €2,580 to €5,605, a €3,025 spread on the same certified stone. NZ Jewellers lists it at €5,605. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.70
Carat
M
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6511976194
Dimensions7.64 × 7.60 × 4.79 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Pinpoint, Indented Natural
Top View
7.64 mm7.60 mm1.70 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6511976194
Side View
Table 56.0%Crown 35°Girdle: THN-STKPavilion 41.4°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: €5,605 EUR|Low: €1,993 EUR|High: €5,605 EUR|Avg: €3,033 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 18, 2026
Retailer 4€1,993 EUR
Retailer 12€2,171 EUR
Retailer 3€2,201 EUR
Retailer 6€2,580 EUR
Retailer 7€2,681 EUR
Retailer 9€2,681 EUR
Retailer 2€2,726 EUR
Retailer 5€2,784 EUR
Retailer 8€3,093 EUR
Retailer 11€3,655 EUR
Retailer 10€3,820 EUR
NZ Jewellers€5,605 EUR

5 data points across 12 retailers

7 retailers€2,580 EUR to €5,605 EUR

A
Cheapest Retailer
-
€2,580 EUR
B+
Retailer 2
-
€2,681 EUR
View
Retailer 3
-
€2,681 EUR
View
Price last confirmed 8 days ago
B+
Retailer 4
-
€2,726 EUR
View
B+
Retailer 5
-
€2,784 EUR
View
B+
Retailer 6
-
€3,093 EUR
View
Most Expensive
C
NZ Jewellers
b596512e-5dd1-4a53-9442-991dd298fa51 · Nov 5
€5,605 EUR
$6,291 USD
View
6 more retailers have this diamond
Prices start from €2,580 EURSave up to €3,025 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.

A
1.70ct Round
€2,580 EUR