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1.55ct I SI2 Round Natural Diamond

EX • I/SI2 • HRD 250000247389

Certificate HRD 250000247389

Diamond specifications and retailer prices

From €2,811 EUR
$3,140 USD
As of October 31, 2026
Save €2,495 EUR (47%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €5,305 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.55ct natural round diamond

This 1.55ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by HRD 250000247389. Listed at 8 retailers as of October 30, 2026, with prices from €2,811 to €5,305, a €2,495 spread on the same certified stone. NZ Jewellers lists it at €5,305. 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

1.55
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.7°
OriginNatural
Grading LabHRD
CertificateHRD 250000247389
Dimensions7.35 × 7.29 × 4.57 mm
L/W Ratio1.01
Star length50%
Culet sizePointed
Top View
7.35 mm7.29 mm1.55 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 250000247389
Side View
Table 58.0%Crown 36.2°GirdlePavilion 40.7°Culet: NoneDepth 62.4%

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: Oct 31
Current: €5,305 EUR|Low: €2,576 EUR|High: €5,305 EUR|Avg: €3,605 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 8€2,811 EUR
Retailer 9€3,016 EUR
Retailer 4€3,045 EUR
Retailer 6€3,045 EUR
Retailer 7€3,162 EUR
Retailer 5€3,514 EUR
Retailer 2€3,549 EUR
Retailer 3€5,093 EUR
NZ Jewellers€5,305 EUR

30 data points across 9 retailers

8 retailers€2,811 EUR to €5,305 EUR

A
Cheapest Retailer
-
€2,811 EUR
$3,140 USD
Final sale: no returns
A
Retailer 2
-
€3,045 EUR
$3,402 USD
View
A
Retailer 3
-
€3,045 EUR
$3,402 USD
View
A
Retailer 4
-
€3,162 EUR
$3,533 USD
View
A
Retailer 5
-
€3,514 EUR
$3,926 USD
View
A
Retailer 6
-
€3,549 EUR
View
B+
Retailer 7
-
€5,093 EUR
£4,480 GBP
View
Most Expensive
B+
NZ Jewellers
ef792729-a189-45f5-bde7-0181b8270528 · Oct 30
€5,305 EUR
$5,927 USD
View
7 more retailers have this diamond
Prices start from €2,811 EURSave up to €2,495 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
1.55ct Round
€2,811 EUR