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Round|Natural|IGI

1.54ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 635477901

Shape and cutting style on the report: Round brilliant

Certificate IGI 635477901

Diamond specifications and retailer prices

From $2,010 SGD
As of November 6, 2026
Save $1,079 SGD (35%) vs most expensive(unlock to see where)
13 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 635477901. Listed at 13 retailers as of November 5, 2026, with a 54% 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 angle35.7°
Pavilion angle41.4°
OriginNatural
Grading LabIGI
CertificateIGI 635477901
Dimensions7.36 × 7.29 × 4.63 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.36 mm7.29 mm1.54 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 635477901
Side View
Table 58.0%Crown 35.7°Girdle: Slightly ThickPavilion 41.4°Culet: NoneDepth 63.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $2,286 SGD|Low: $2,010 SGD|High: $4,487 SGD|Avg: $2,915 SGD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 2$2,010 SGD
Retailer 1$2,286 SGD
Retailer 7$2,461 SGD
Retailer 3$2,755 SGD
Retailer 4$2,763 SGD
Retailer 5$3,089 SGD
Retailer 6$4,457 SGD

31 data points across 7 retailers

13 retailers$2,010 SGD to $3,089 SGD

A
Cheapest Retailer
-
$2,010 SGD
A
Retailer 2
-
$2,286 SGD
View
A
Retailer 3
-
$2,461 SGD
View
Retailer 4
-
$2,531 SGD
View
Price last confirmed 36 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 38 days ago
A
Retailer 11
-
$3,089 SGD
View
Retailer 12
-
$4,457 SGD
View
Price last confirmed 8 days ago
Most Expensive
NZ Jewellers
19c76719-e8be-4156-8aaf-56823ce27e86 · Sep 28
$6,173 SGD
$4,817 USD
View
Price last confirmed 39 days ago
12 more retailers have this diamond
Prices start from $2,010 SGDSave up to $1,079 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