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Round|Natural|GIA

1.70ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 1537521668

Certificate GIA 1537521668

Diamond specifications and retailer prices

From €1,951 EUR
As of November 6, 2026
Save €3,444 EUR (64%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €5,395 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 1537521668. Listed at 13 retailers as of November 5, 2026, with prices from €1,951 to €5,395, a €3,444 spread on the same certified stone. NZ Jewellers lists it at €5,395. 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
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1537521668
Dimensions7.56 × 7.61 × 4.79 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
ADDITIONAL CLOUDS ARE NOT SHOWN. PINPOINTS ARE NOT SHOWN.
Top View
7.56 mm7.61 mm1.70 ctM / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 1537521668
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.2%

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: €5,395 EUR|Low: €1,944 EUR|High: €5,395 EUR|Avg: €2,812 EUR|+0.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 6€1,951 EUR
Retailer 5€2,299 EUR
Retailer 10€2,434 EUR
Retailer 12€2,526 EUR
Retailer 4€2,580 EUR
Retailer 11€2,580 EUR
Retailer 13€2,680 EUR
Retailer 3€2,707 EUR
Retailer 7€2,810 EUR
Retailer 9€2,977 EUR
Retailer 2€3,007 EUR
Retailer 8€3,149 EUR
NZ Jewellers€5,395 EUR

27 data points across 13 retailers

13 retailers€1,951 EUR to €5,395 EUR

A
Cheapest Retailer
-
€1,951 EUR
A
Retailer 2
-
€2,299 EUR
View
A
Retailer 3
-
€2,434 EUR
View
A
Retailer 4
-
€2,526 EUR
View
Retailer 5
-
€2,580 EUR
View
Price last confirmed 9 days ago
A
Retailer 6
-
€2,580 EUR
View
A
Retailer 7
-
€2,680 EUR
View
A
Retailer 8
-
€2,707 EUR
View
B+
Retailer 9
-
€2,810 EUR
View
B+
Retailer 10
-
€2,977 EUR
View
B+
Retailer 11
-
€3,007 EUR
View
B+
Retailer 12
-
€3,149 EUR
View
Most Expensive
B
NZ Jewellers
ced3fa81-e339-4790-8dcb-1ec31cb76e43 · Nov 5
€5,395 EUR
$6,023 USD
View
12 more retailers have this diamond
Prices start from €1,951 EURSave up to €3,444 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
€1,951 EUR