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 $1,568 USD
As of November 6, 2026
Save $842 USD (35%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,817 USD 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
Color
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: $1,568 USD|Low: $1,568 USD|High: $3,501 USD|Avg: $2,273 USD|-2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 1$1,568 USD
Retailer 6$1,920 USD
Retailer 2$2,150 USD
Retailer 3$2,156 USD
Retailer 4$2,410 USD
Retailer 5$3,478 USD

32 data points across 6 retailers

13 retailers$1,568 USD to $2,410 USD

A
Cheapest Retailer
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$1,568 USD
A
Retailer 2
-
$1,784 USD
View
A
Retailer 3
-
$1,920 USD
View
Retailer 4
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$1,975 USD
View
Price last confirmed 36 days ago
A
Retailer 5
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$2,015 USD
View
Retailer 6
-
$2,066 USD
View
Price last confirmed 38 days ago
A
Retailer 7
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$2,112 USD
View
A
Retailer 8
-
$2,150 USD
View
A
Retailer 9
-
$2,156 USD
View
Retailer 10
-
$2,279 USD
View
Price last confirmed 38 days ago
A
Retailer 11
-
$2,410 USD
View
Retailer 12
-
$3,478 USD
View
Price last confirmed 8 days ago
Most Expensive
NZ Jewellers
19c76719-e8be-4156-8aaf-56823ce27e86 · Sep 28
$4,817 USD
View
Price last confirmed 39 days ago
12 more retailers have this diamond
Prices start from $1,568 USDSave up to $842 USD

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
$1,568 USD