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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 $2,829 NZD
As of November 6, 2026
Save $3,395 NZD (55%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $8,689 NZD 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: $2,829 NZD|Low: $2,829 NZD|High: $6,315 NZD|Avg: $4,291 NZD|-2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 1$2,829 NZD
Retailer 2$3,878 NZD
Retailer 3$3,889 NZD
Retailer 4$4,347 NZD
Retailer 6$4,609 NZD
Retailer 5$6,223 NZD

31 data points across 6 retailers

14 retailers$2,829 NZD to $6,223 NZD

A
Cheapest Retailer
-
$2,829 NZD
A
Retailer 2
-
$3,218 NZD
View
Retailer 3
-
$3,563 NZD
View
Price last confirmed 25 days ago
Retailer 4
-
$3,563 NZD
View
Price last confirmed 29 days ago
A
Retailer 5
-
$3,635 NZD
View
Retailer 6
-
$3,727 NZD
View
Price last confirmed 38 days ago
A
Retailer 7
-
$3,810 NZD
View
A
Retailer 8
-
$3,878 NZD
View
A
Retailer 9
-
$3,889 NZD
View
Retailer 10
-
$4,111 NZD
View
Price last confirmed 28 days ago
A
Retailer 11
-
$4,347 NZD
View
A
Retailer 12
-
$4,609 NZD
View
A
Retailer 13
-
$6,223 NZD
View
Most Expensive
NZ Jewellers
ed34733b-e2ee-439d-8705-8e5892a02319 · Sep 28
$8,689 NZD
$4,817 USD
View
Price last confirmed 39 days ago
13 more retailers have this diamond
Prices start from $2,829 NZDSave up to $3,395 NZD

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
$2,829 NZD