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Round|Natural|IGI

1.54ct K SI2 Round Natural Diamond

EX • K/SI2 • IGI 680508677

Shape and cutting style on the report: Round brilliant

Certificate IGI 680508677

Diamond specifications and retailer prices

From $1,773 SGD
As of November 6, 2026
Save $2,110 SGD (54%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,674 SGD at NZ Jewellers · As of September 1, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 680508677. Listed at 13 retailers as of November 4, 2026, with a 119% 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 680508677
Dimensions7.45 × 7.43 × 4.48 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.45 mm7.43 mm1.54 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 680508677
Side View
Table 60.0%Crown 33.4°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $1,773 SGD|Low: $1,773 SGD|High: $3,939 SGD|Avg: $2,632 SGD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 1$1,773 SGD
Retailer 4$2,025 SGD
Retailer 5$2,396 SGD
Retailer 2$2,933 SGD
Retailer 3$3,883 SGD

45 data points across 5 retailers

13 retailers$1,773 SGD to $3,883 SGD

A
Cheapest Retailer
-
$1,773 SGD
A
Retailer 2
-
$2,025 SGD
View
Retailer 3
-
$2,062 SGD
View
Price last confirmed 95 days ago
Retailer 4
-
$2,223 SGD
View
Price last confirmed 25 days ago
Retailer 5
-
$2,223 SGD
View
Price last confirmed 29 days ago
Retailer 6
-
$2,325 SGD
View
Price last confirmed 38 days ago
A
Retailer 7
-
$2,396 SGD
View
Retailer 8
-
$2,564 SGD
View
Price last confirmed 28 days ago
Retailer 9
-
$2,684 SGD
View
Price last confirmed 60 days ago
A
Retailer 10
-
$2,933 SGD
View
A
Retailer 11
-
$3,883 SGD
View
Retailer 12
-
$5,420 SGD
View
Price last confirmed 39 days ago
Most Expensive
NZ Jewellers
204d7aa0-65e7-46d9-9649-da9e07ddb1aa · Sep 1
$5,674 SGD
$4,442 USD
View
Price last confirmed 66 days ago
12 more retailers have this diamond
Prices start from $1,773 SGDSave up to $2,110 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
$1,773 SGD