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Round|Natural|GIA

1.70ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 6552006019

Certificate GIA 6552006019

Diamond specifications and retailer prices

From €2,871 EUR
As of November 6, 2026
Save €3,777 EUR (57%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €6,648 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552006019. Listed at 11 retailers as of November 5, 2026, with prices from €2,871 to €6,648, a €3,777 spread on the same certified stone. NZ Jewellers lists it at €6,648. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6552006019
Dimensions7.48 × 7.60 × 4.74 mm
L/W Ratio1.02
Top View
7.48 mm7.60 mm1.70 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552006019
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 63.3%

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 6
Current: €6,648 EUR|Low: €2,871 EUR|High: €6,690 EUR|Avg: €4,007 EUR|-0.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 2€2,871 EUR
Retailer 4€2,954 EUR
Retailer 7€3,357 EUR
Retailer 10€3,623 EUR
Retailer 9€3,816 EUR
Retailer 11€3,816 EUR
Retailer 12€3,816 EUR
Retailer 3€3,948 EUR
Retailer 5€4,048 EUR
Retailer 8€4,403 EUR
Retailer 6€4,657 EUR
NZ Jewellers€6,648 EUR

45 data points across 12 retailers

11 retailers€2,871 EUR to €6,648 EUR

A
Cheapest Retailer
-
€2,871 EUR
B+
Retailer 2
-
€3,357 EUR
View
B
Retailer 3
-
€3,623 EUR
View
Retailer 4
-
€3,816 EUR
View
Price last confirmed 8 days ago
B
Retailer 5
-
€3,816 EUR
View
B
Retailer 6
-
€3,816 EUR
View
B
Retailer 7
-
€3,948 EUR
View
B+
Retailer 8
-
€4,048 EUR
View
B
Retailer 9
-
€4,403 EUR
View
B
Retailer 10
-
€4,657 EUR
View
Most Expensive
C
NZ Jewellers
9c744563-1f8c-4e6f-a284-7cb112f245a8 · Nov 5
€6,648 EUR
$7,422 USD
View
10 more retailers have this diamond
Prices start from €2,871 EURSave up to €3,777 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
€2,871 EUR