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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 $5,571 NZD
$3,140 USD
As of November 2, 2026
Save $4,945 NZD (47%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $10,516 NZD 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 $5,571 to $10,516, a $4,945 spread on the same certified stone. NZ Jewellers lists it at $10,516. 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: Nov 2
Current: $10,516 NZD|Low: $5,106 NZD|High: $10,516 NZD|Avg: $7,146 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 8$5,571 NZD
Retailer 9$5,979 NZD
Retailer 4$6,036 NZD
Retailer 6$6,036 NZD
Retailer 7$6,269 NZD
Retailer 5$6,966 NZD
Retailer 2$7,035 NZD
Retailer 3$10,095 NZD
NZ Jewellers$10,516 NZD

30 data points across 9 retailers

8 retailers$5,571 NZD to $10,516 NZD

A
Cheapest Retailer
-
$5,571 NZD
$3,140 USD
Final sale: no returns
A
Retailer 2
-
$6,036 NZD
$3,402 USD
View
A
Retailer 3
-
$6,036 NZD
$3,402 USD
View
A
Retailer 4
-
$6,269 NZD
$3,533 USD
View
A
Retailer 5
-
$6,966 NZD
$3,926 USD
View
A
Retailer 6
-
$7,035 NZD
€3,776 EUR
View
B+
Retailer 7
-
$10,095 NZD
£4,480 GBP
View
Most Expensive
B+
NZ Jewellers
ef792729-a189-45f5-bde7-0181b8270528 · Oct 30
$10,516 NZD
$5,927 USD
View
7 more retailers have this diamond
Prices start from $5,571 NZDSave up to $4,945 NZD

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
$5,571 NZD