Round|Natural|GIA

1.54ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6565753085

Certificate GIA 6565753085

Diamond specifications and retailer prices

From $4,178 USD
As of November 4, 2026
Save $4,347 USD (51%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $8,525 USD 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 $4,178 to $8,525, a $4,347 spread on the same certified stone. NZ Jewellers lists it at $8,525. 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 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: $8,525 USD|Low: $4,178 USD|High: $8,525 USD|Avg: $5,345 USD
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$4,178 USD
Retailer 5$4,267 USD
Retailer 3$4,344 USD
Retailer 15$4,610 USD
Retailer 11$4,787 USD
Retailer 4$4,893 USD
Retailer 13$4,893 USD
Retailer 14$5,044 USD
Retailer 2$5,328 USD
Retailer 10$5,429 USD
Retailer 8$5,493 USD
Retailer 6$5,646 USD
Retailer 9$5,970 USD
Retailer 12$7,772 USD
NZ Jewellers$8,525 USD

8 data points across 15 retailers

15 retailers$4,178 USD to $8,525 USD

B+
Cheapest Retailer
-
$4,178 USD
B+
Retailer 2
-
$4,267 USD
View
B+
Retailer 3
-
$4,344 USD
View
B+
Retailer 4
-
$4,610 USD
View
B+
Retailer 5
-
$4,787 USD
View
B+
Retailer 6
-
$4,893 USD
View
B+
Retailer 7
-
$4,893 USD
View
B
Retailer 8
-
$5,044 USD
View
B
Retailer 9
-
$5,328 USD
View
B
Retailer 10
-
$5,429 USD
View
B
Retailer 11
-
$5,493 USD
View
B
Retailer 12
-
$5,646 USD
View
B
Retailer 13
-
$5,970 USD
View
B
Retailer 14
-
$7,772 USD
View
Most Expensive
C
NZ Jewellers
c492ab16-dc70-4932-8f29-4413773ac38a · Nov 5
$8,525 USD
View
14 more retailers have this diamond
Prices start from $4,178 USDSave up to $4,347 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.

B+
1.54ct Round
$4,178 USD