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Round|Natural|GIA

1.70ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 6445964287

Certificate GIA 6445964287

Diamond specifications and retailer prices

From €2,499 EUR
As of November 6, 2026
Save €3,357 EUR (57%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €5,856 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 6445964287. Listed at 11 retailers as of November 5, 2026, with prices from €2,499 to €5,856, a €3,357 spread on the same certified stone. NZ Jewellers lists it at €5,856. 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 angle32.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6445964287
Dimensions7.69 × 7.76 × 4.62 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
7.69 mm7.76 mm1.70 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6445964287
Side View
Table 61.0%Crown 32.5°Girdle: MED-NULPavilion 41°Culet: NoneDepth 59.8%

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: €5,856 EUR|Low: €2,476 EUR|High: €5,939 EUR|Avg: €3,619 EUR|-1.4%
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 5, 2026
Retailer 6€2,499 EUR
Retailer 3€2,992 EUR
Retailer 4€3,066 EUR
Retailer 8€3,220 EUR
Retailer 7€3,361 EUR
Retailer 10€3,361 EUR
Retailer 12€3,490 EUR
Retailer 9€3,492 EUR
Retailer 11€3,878 EUR
Retailer 2€3,904 EUR
Retailer 5€4,103 EUR
NZ Jewellers€5,856 EUR

34 data points across 12 retailers

11 retailers€2,499 EUR to €5,856 EUR

A
Cheapest Retailer
-
€2,499 EUR
B+
Retailer 2
-
€2,992 EUR
View
B+
Retailer 3
-
€3,220 EUR
View
B+
Retailer 4
-
€3,361 EUR
View
Retailer 5
-
€3,361 EUR
View
Price last confirmed 8 days ago
B+
Retailer 6
-
€3,490 EUR
View
B+
Retailer 7
-
€3,492 EUR
View
B
Retailer 8
-
€3,878 EUR
View
B
Retailer 9
-
€3,904 EUR
View
B
Retailer 10
-
€4,103 EUR
View
Most Expensive
B
NZ Jewellers
91f6c9c7-1955-4b6e-bdc0-fe6fb80ad956 · Nov 5
€5,856 EUR
$6,538 USD
View
10 more retailers have this diamond
Prices start from €2,499 EURSave up to €3,357 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
€2,499 EUR