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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 $4,014 SGD
$3,140 USD
As of October 31, 2026
Save $3,563 SGD (47%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $7,577 SGD 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 $4,014 to $7,577, a $3,563 spread on the same certified stone. NZ Jewellers lists it at $7,577. 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: $7,577 SGD|Low: $3,679 SGD|High: $7,577 SGD|Avg: $5,149 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 8$4,014 SGD
Retailer 9$4,308 SGD
Retailer 4$4,349 SGD
Retailer 6$4,349 SGD
Retailer 7$4,517 SGD
Retailer 5$5,019 SGD
Retailer 3$5,093 SGD
Retailer 2$7,274 SGD
NZ Jewellers$7,577 SGD

30 data points across 9 retailers

8 retailers$4,014 SGD to $7,577 SGD

A
Cheapest Retailer
-
$4,014 SGD
$3,140 USD
Final sale: no returns
A
Retailer 2
-
$4,349 SGD
$3,402 USD
View
A
Retailer 3
-
$4,349 SGD
$3,402 USD
View
A
Retailer 4
-
$4,517 SGD
$3,533 USD
View
A
Retailer 5
-
$5,019 SGD
$3,926 USD
View
A
Retailer 6
-
$5,093 SGD
€3,794 EUR
View
B+
Retailer 7
-
$7,274 SGD
£4,480 GBP
View
Most Expensive
B+
NZ Jewellers
ef792729-a189-45f5-bde7-0181b8270528 · Oct 30
$7,577 SGD
$5,927 USD
View
7 more retailers have this diamond
Prices start from $4,014 SGDSave up to $3,563 SGD

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
$4,014 SGD