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1.54ct K SI2 Round Natural Diamond

EX • K/SI2 • IGI 811689355

Shape and cutting style on the report: Round brilliant

Certificate IGI 811689355

Diamond specifications and retailer prices

From €2,114 EUR
As of November 5, 2026
Save €2,821 EUR (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €4,935 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.54ct natural round diamond

This 1.54ct natural round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 811689355. Listed at 13 retailers as of November 5, 2026, with prices from €2,114 to €4,935, a €2,821 spread on the same certified stone. NZ Jewellers lists it at €4,935. 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

1.54
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 811689355
Dimensions7.37 × 7.41 × 4.60 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.37 mm7.41 mm1.54 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 811689355
Side View
Table 56.0%Crown 34.8°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
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: €2,928 EUR|Low: €2,114 EUR|High: €4,185 EUR|Avg: €2,637 EUR|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 6€2,114 EUR
Retailer 8€2,182 EUR
Retailer 4€2,292 EUR
Retailer 7€2,361 EUR
Retailer 10€2,361 EUR
Retailer 5€2,486 EUR
Retailer 9€2,486 EUR
Retailer 1€2,928 EUR
Retailer 2€3,003 EUR
Retailer 3€4,125 EUR

25 data points across 10 retailers

13 retailers€2,114 EUR to €4,935 EUR

A
Cheapest Retailer
-
€2,114 EUR
A
Retailer 2
-
€2,292 EUR
View
Retailer 3
-
€2,361 EUR
View
Price last confirmed 8 days ago
A
Retailer 4
-
€2,361 EUR
View
B+
Retailer 5
-
€2,451 EUR
View
B+
Retailer 6
-
€2,486 EUR
View
B+
Retailer 7
-
€2,486 EUR
View
Retailer 8
-
€2,724 EUR
View
Price last confirmed 60 days ago
B+
Retailer 9
-
€2,724 EUR
View
A
Retailer 10
-
€2,928 EUR
View
B+
Retailer 11
-
€4,125 EUR
View
Retailer 12
-
€4,935 EUR
View
Price last confirmed 66 days ago
Most Expensive
B
NZ Jewellers
ac990f6d-bc97-4ce6-bd24-bbf8eeb6079a · Nov 5
€4,935 EUR
$5,510 USD
View
12 more retailers have this diamond
Prices start from €2,114 EURSave up to €2,821 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
1.54ct Round
€2,114 EUR