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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 $3,152 SGD
₹234,840 INR
As of November 1, 2026
Save $3,503 SGD (53%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $6,655 SGD 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 9 retailers as of November 1, 2026, with prices from $3,152 to $6,655, a $3,503 spread on the same certified stone. MOH London lists it at $6,655. 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 1
Current: $6,655 SGD|Low: $3,152 SGD|High: $6,655 SGD|Avg: $4,184 SGD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 5$3,152 SGD
Retailer 6$3,564 SGD
Retailer 8$3,665 SGD
Retailer 9$3,980 SGD
Retailer 2$4,093 SGD
Retailer 3$4,174 SGD
Retailer 4$4,578 SGD
Retailer 7$4,639 SGD
MOH London$6,655 SGD

3 data points across 9 retailers

9 retailers$3,152 SGD to $6,655 SGD

A
Cheapest Retailer
-
$3,152 SGD
₹234,840 INR
A
Retailer 2
-
$3,564 SGD
$2,788 USD
View
A
Retailer 3
-
$3,665 SGD
$2,867 USD
View
A
Retailer 4
-
$3,980 SGD
$3,113 USD
View
A
Retailer 5
-
$4,093 SGD
£2,521 GBP
View
A
Retailer 6
-
$4,174 SGD
£2,571 GBP
View
B+
Retailer 7
-
$4,578 SGD
£2,820 GBP
View
B+
Retailer 8
-
$4,639 SGD
€3,456 EUR
View
Most Expensive
B+
MOH London
37F49097C · Nov 1
$6,655 SGD
£4,099 GBP
View
8 more retailers have this diamond
Prices start from $3,152 SGDSave up to $3,503 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
1.54ct Round
$3,152 SGD