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Round|Natural|IGI

1.70ct I I1 Round Natural Diamond

EX • I/I1 • IGI 457087702

Shape and cutting style on the report: Round brilliant

Certificate IGI 457087702

Diamond specifications and retailer prices

From €2,812 EUR
$3,154 USD
As of November 1, 2026
Save €3,220 EUR (53%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €6,032 EUR at NZ Jewellers · As of November 2, 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 I colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI 457087702. Listed at 8 retailers as of November 1, 2026, with prices from €2,812 to €6,032, a €3,220 spread on the same certified stone. NZ Jewellers lists it at €6,032. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
I
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabIGI
CertificateIGI 457087702
Dimensions7.61 × 7.65 × 4.69 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
7.61 mm7.65 mm1.70 ctI / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 457087702
Side View
Table 61.0%Crown 35°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.5%

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 1
Current: €6,032 EUR|Low: €2,026 EUR|High: €6,052 EUR|Avg: €3,185 EUR|+8.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 3, 2026
Retailer 9€2,051 EUR
Retailer 4€2,812 EUR
Retailer 2€3,137 EUR
Retailer 6€3,168 EUR
Retailer 5€3,177 EUR
Retailer 8€3,258 EUR
Retailer 7€3,620 EUR
Retailer 3€3,946 EUR
NZ Jewellers€6,032 EUR

41 data points across 9 retailers

8 retailers€2,812 EUR to €6,032 EUR

B+
Cheapest Retailer
-
€2,812 EUR
$3,154 USD
B+
Retailer 2
-
€3,137 EUR
$3,518 USD
View
B+
Retailer 3
-
€3,168 EUR
$3,553 USD
View
B+
Retailer 4
-
€3,177 EUR
$3,563 USD
View
B+
Retailer 5
-
€3,258 EUR
$3,654 USD
View
B+
Retailer 6
-
€3,620 EUR
$4,060 USD
View
B+
Retailer 7
-
€3,946 EUR
View
Most Expensive
B
NZ Jewellers
9c7ce137-fd30-4470-8cea-9432465dd86b · Nov 2
€6,032 EUR
$6,766 USD
View
7 more retailers have this diamond
Prices start from €2,812 EURSave up to €3,220 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 Round
€2,812 EUR