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Round|Natural|GIA

1.54ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6565753085

Certificate GIA 6565753085

Diamond specifications and retailer prices

From $7,537 NZD
As of November 4, 2026
Save $7,842 NZD (51%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $15,378 NZD at NZ Jewellers · As of November 7, 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 GIA 6565753085. Listed at 18 retailers as of November 4, 2026, with prices from $7,537 to $15,378, a $7,842 spread on the same certified stone. NZ Jewellers lists it at $15,378. 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 angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6565753085
Dimensions7.37 × 7.33 × 4.63 mm
L/W Ratio1.01
Star length50%
Culet sizeNone
Key to symbols
Cloud, Crystal, Needle
Top View
7.37 mm7.33 mm1.54 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565753085
Side View
Table 57.0%Crown 36°GirdlePavilion 41.2°Culet: NDepth 62.9%

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 4
Current: $15,378 NZD|Low: $7,537 NZD|High: $15,378 NZD|Avg: $9,650 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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 7, 2026
Retailer 10$7,537 NZD
Retailer 8$7,697 NZD
Retailer 6$7,836 NZD
Retailer 11$8,105 NZD
Retailer 5$8,316 NZD
Retailer 16$8,635 NZD
Retailer 3$8,826 NZD
Retailer 7$8,826 NZD
Retailer 12$8,826 NZD
Retailer 4$9,099 NZD
Retailer 14$9,674 NZD
Retailer 18$9,793 NZD
Retailer 2$9,925 NZD
Retailer 9$10,185 NZD
Retailer 17$10,769 NZD
Retailer 13$11,074 NZD
Retailer 15$13,984 NZD
NZ Jewellers$15,378 NZD

9 data points across 18 retailers

18 retailers$7,537 NZD to $15,378 NZD

B+
Cheapest Retailer
-
$7,537 NZD
B+
Retailer 2
-
$7,697 NZD
View
B+
Retailer 3
-
$7,836 NZD
View
B+
Retailer 4
-
$8,105 NZD
View
B+
Retailer 5
-
$8,316 NZD
View
B+
Retailer 6
-
$8,635 NZD
View
B+
Retailer 7
-
$8,826 NZD
View
B+
Retailer 8
-
$8,826 NZD
View
B+
Retailer 9
-
$8,826 NZD
View
B
Retailer 10
-
$9,099 NZD
View
B
Retailer 11
-
$9,674 NZD
View
B
Retailer 12
-
$9,793 NZD
View
B
Retailer 13
-
$9,925 NZD
View
B
Retailer 14
-
$10,185 NZD
View
B
Retailer 15
-
$10,769 NZD
View
B
Retailer 16
-
$11,074 NZD
View
B
Retailer 17
-
$13,984 NZD
View
Most Expensive
C
NZ Jewellers
c492ab16-dc70-4932-8f29-4413773ac38a · Nov 7
$15,378 NZD
$8,525 USD
View
17 more retailers have this diamond
Prices start from $7,537 NZDSave up to $7,842 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
$7,537 NZD