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Round|Natural|GIA

1.54ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 1409252458

Certificate GIA 1409252458

Diamond specifications and retailer prices

From $9,489 NZD
As of November 1, 2026
Save $11,348 NZD (54%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $20,837 NZD at NZ Jewellers · As of November 5, 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 GIA 1409252458. Listed at 15 retailers as of November 1, 2026, with prices from $9,489 to $20,837, a $11,348 spread on the same certified stone. NZ Jewellers lists it at $20,837. 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 angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1409252458
Dimensions7.35 × 7.31 × 4.59 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Cert comments
Additional twinning wisps pinpoints and surface graining are not shown.
Key to symbols
Feather, Crystal, Twinning Wisp, Cavity, Needle, Indented Natural
Top View
7.35 mm7.31 mm1.54 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1409252458
Side View
Table 57.0%Crown 36°Girdle: STK-STKPavilion 40.6°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $20,837 NZD|Low: $9,489 NZD|High: $20,837 NZD|Avg: $13,330 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 7$9,489 NZD
Retailer 8$9,844 NZD
Retailer 11$10,506 NZD
Retailer 4$11,287 NZD
Retailer 10$11,287 NZD
Retailer 12$11,287 NZD
Retailer 2$11,752 NZD
Retailer 3$13,022 NZD
Retailer 5$13,526 NZD
Retailer 9$16,733 NZD
Retailer 6$18,304 NZD
NZ Jewellers$20,837 NZD

42 data points across 12 retailers

15 retailers$9,489 NZD to $20,837 NZD

B+
Cheapest Retailer
-
$9,489 NZD
B
Retailer 2
-
$9,844 NZD
View
B
Retailer 3
-
$10,506 NZD
View
B
Retailer 4
-
$11,121 NZD
View
Retailer 5
-
$11,287 NZD
View
Price last confirmed 60 days ago
Retailer 6
-
$11,287 NZD
View
Price last confirmed 8 days ago
B
Retailer 7
-
$11,287 NZD
View
B
Retailer 8
-
$11,287 NZD
View
B
Retailer 9
-
$11,752 NZD
View
Retailer 10
-
$13,022 NZD
View
Price last confirmed 60 days ago
B
Retailer 11
-
$13,022 NZD
View
B
Retailer 12
-
$13,526 NZD
View
Retailer 13
-
$13,733 NZD
View
Price last confirmed 14 days ago
B
Retailer 14
-
$18,304 NZD
View
Most Expensive
B
NZ Jewellers
5e4adebc-b24e-4579-b715-f7e620d24c43 · Nov 5
$20,837 NZD
$11,551 USD
View
14 more retailers have this diamond
Prices start from $9,489 NZDSave up to $11,348 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.

B+
1.54ct Round
$9,489 NZD