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1.35ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 727584992

Shape and cutting style on the report: Round brilliant

Certificate IGI 727584992

Diamond specifications and retailer prices

From €1,471 EUR
As of November 5, 2026
Save €2,467 EUR (63%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €3,938 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.35ct natural round diamond

This 1.35ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 727584992. Listed at 16 retailers as of November 5, 2026, with prices from €1,471 to €3,938, a €2,467 spread on the same certified stone. NZ Jewellers lists it at €3,938. 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

1.35
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.3°
OriginNatural
Grading LabIGI
CertificateIGI 727584992
Dimensions7.03 × 7.06 × 4.40 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.03 mm7.06 mm1.35 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 727584992
Side View
Table 55.0%Crown 36.2°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: €2,189 EUR|Low: €1,471 EUR|High: €2,863 EUR|Avg: €1,840 EUR|+2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 8€1,471 EUR
Retailer 6€1,550 EUR
Retailer 2€1,614 EUR
Retailer 10€1,631 EUR
Retailer 7€1,666 EUR
Retailer 9€1,689 EUR
Retailer 4€1,813 EUR
Retailer 3€1,971 EUR
Retailer 1€2,189 EUR
Retailer 5€2,821 EUR

40 data points across 10 retailers

16 retailers€1,471 EUR to €3,938 EUR

A
Cheapest Retailer
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€1,471 EUR
A
Retailer 2
-
€1,550 EUR
View
Retailer 3
-
€1,614 EUR
View
Price last confirmed 50 days ago
A
Retailer 4
-
€1,614 EUR
View
A
Retailer 5
-
€1,631 EUR
View
A
Retailer 6
-
€1,666 EUR
View
A
Retailer 7
-
€1,689 EUR
View
A
Retailer 8
-
€1,736 EUR
View
A
Retailer 9
-
€1,813 EUR
View
B+
Retailer 10
-
€1,863 EUR
View
Retailer 11
-
€1,863 EUR
View
Price last confirmed 48 days ago
A
Retailer 12
-
€1,971 EUR
View
A
Retailer 13
-
€2,189 EUR
View
B+
Retailer 14
-
€2,821 EUR
View
Retailer 15
-
€3,938 EUR
View
Price last confirmed 48 days ago
Most Expensive
B
NZ Jewellers
a4f82243-3331-48f7-94d8-37ea2e89a938 · Nov 5
€3,938 EUR
$4,420 USD
View
15 more retailers have this diamond
Prices start from €1,471 EURSave up to €2,467 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
1.35ct Round
€1,471 EUR