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1.54ct I SI1 Round Natural Diamond

EX • I/SI1 • IGI 844674050

Shape and cutting style on the report: Round brilliant

Certificate IGI 844674050

Diamond specifications and retailer prices

From $4,374 NZD
₹234,764 INR
As of November 2, 2026
Save $4,863 NZD (53%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $9,237 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 1.54ct natural round diamond

This 1.54ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 844674050. Listed at 10 retailers as of November 1, 2026, with prices from $4,374 to $9,237, a $4,863 spread on the same certified stone. MOH London lists it at $9,237. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle36.5°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 844674050
Dimensions7.27 × 7.31 × 4.62 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
7.27 mm7.31 mm1.54 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateIGI 844674050
Side View
Table 59.0%Crown 36.5°Girdle: Slightly ThickPavilion 41.1°Culet: NoneDepth 63.4%

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: $9,237 NZD|Low: $4,374 NZD|High: $9,237 NZD|Avg: $5,831 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 2$4,374 NZD
Retailer 7$4,947 NZD
Retailer 9$5,087 NZD
Retailer 10$5,523 NZD
Retailer 4$5,680 NZD
Retailer 5$5,793 NZD
Retailer 6$6,354 NZD
Retailer 3$6,373 NZD
Retailer 8$6,439 NZD
MOH London$9,237 NZD

3 data points across 10 retailers

10 retailers$4,374 NZD to $9,237 NZD

A
Cheapest Retailer
-
$4,374 NZD
₹234,764 INR
A
Retailer 2
-
$4,947 NZD
$2,788 USD
View
A
Retailer 3
-
$5,087 NZD
$2,867 USD
View
A
Retailer 4
-
$5,523 NZD
$3,113 USD
View
A
Retailer 5
-
$5,680 NZD
£2,521 GBP
View
A
Retailer 6
-
$5,793 NZD
£2,571 GBP
View
B+
Retailer 7
-
$6,354 NZD
£2,820 GBP
View
Retailer 8
-
$6,373 NZD
$3,592 USD
View
B+
Retailer 9
-
$6,439 NZD
€3,456 EUR
View
Most Expensive
B+
MOH London
37F49097C · Nov 1
$9,237 NZD
£4,099 GBP
View
9 more retailers have this diamond
Prices start from $4,374 NZDSave up to $4,863 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
1.54ct Round
$4,374 NZD