Round|Natural|IGI

1.54ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 675579653

Shape and cutting style on the report: Round brilliant

Certificate IGI 675579653

Diamond specifications and retailer prices

From $2,010 SGD
As of November 6, 2026
Save $2,412 SGD (55%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,173 SGD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1.54ct natural round diamond

This 1.54ct natural round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 675579653. Listed at 14 retailers as of November 4, 2026, with a 120% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 675579653
Dimensions7.36 × 7.33 × 4.60 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
7.36 mm7.33 mm1.54 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 675579653
Side View
Table 57.0%Crown 34.1°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $2,010 SGD|Low: $2,010 SGD|High: $4,487 SGD|Avg: $3,049 SGD|-2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 1$2,010 SGD
Retailer 2$2,755 SGD
Retailer 3$2,763 SGD
Retailer 4$3,089 SGD
Retailer 6$3,274 SGD
Retailer 5$4,422 SGD

31 data points across 6 retailers

14 retailers$2,010 SGD to $4,422 SGD

A
Cheapest Retailer
-
$2,010 SGD
A
Retailer 2
-
$2,286 SGD
View
Retailer 3
-
$2,531 SGD
View
Price last confirmed 25 days ago
Retailer 4
-
$2,531 SGD
View
Price last confirmed 29 days ago
A
Retailer 5
-
$2,582 SGD
View
Retailer 6
-
$2,648 SGD
View
Price last confirmed 38 days ago
A
Retailer 7
-
$2,707 SGD
View
A
Retailer 8
-
$2,755 SGD
View
A
Retailer 9
-
$2,763 SGD
View
Retailer 10
-
$2,921 SGD
View
Price last confirmed 28 days ago
A
Retailer 11
-
$3,089 SGD
View
A
Retailer 12
-
$3,274 SGD
View
A
Retailer 13
-
$4,422 SGD
View
Most Expensive
NZ Jewellers
ed34733b-e2ee-439d-8705-8e5892a02319 · Sep 28
$6,173 SGD
$4,817 USD
View
Price last confirmed 39 days ago
13 more retailers have this diamond
Prices start from $2,010 SGDSave up to $2,412 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
$2,010 SGD