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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 $5,355 SGD
As of November 4, 2026
Save $5,571 SGD (51%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $10,926 SGD 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6565753085. Listed at 15 retailers as of November 4, 2026, with prices from $5,355 to $10,926, a $5,571 spread on the same certified stone. NZ Jewellers lists it at $10,926. 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: $10,926 SGD|Low: $5,355 SGD|High: $10,926 SGD|Avg: $6,850 SGD
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
November 6, 2026
Retailer 7$5,355 SGD
Retailer 5$5,469 SGD
Retailer 3$5,567 SGD
Retailer 15$5,908 SGD
Retailer 11$6,135 SGD
Retailer 4$6,271 SGD
Retailer 13$6,271 SGD
Retailer 14$6,464 SGD
Retailer 2$6,828 SGD
Retailer 10$6,958 SGD
Retailer 8$7,040 SGD
Retailer 6$7,236 SGD
Retailer 9$7,651 SGD
Retailer 12$9,961 SGD
NZ Jewellers$10,926 SGD

8 data points across 15 retailers

15 retailers$5,355 SGD to $10,926 SGD

B+
Cheapest Retailer
-
$5,355 SGD
B+
Retailer 2
-
$5,469 SGD
View
B+
Retailer 3
-
$5,567 SGD
View
B+
Retailer 4
-
$5,908 SGD
View
B+
Retailer 5
-
$6,135 SGD
View
B+
Retailer 6
-
$6,271 SGD
View
B+
Retailer 7
-
$6,271 SGD
View
B
Retailer 8
-
$6,464 SGD
View
B
Retailer 9
-
$6,828 SGD
View
B
Retailer 10
-
$6,958 SGD
View
B
Retailer 11
-
$7,040 SGD
View
B
Retailer 12
-
$7,236 SGD
View
B
Retailer 13
-
$7,651 SGD
View
B
Retailer 14
-
$9,961 SGD
View
Most Expensive
C
NZ Jewellers
c492ab16-dc70-4932-8f29-4413773ac38a · Nov 5
$10,926 SGD
$8,525 USD
View
14 more retailers have this diamond
Prices start from $5,355 SGDSave up to $5,571 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.

B+
1.54ct Round
$5,355 SGD