Round|Natural|GIA

1.54ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 2556441519

Certificate GIA 2556441519

Diamond specifications and retailer prices

From $6,271 AUD
As of November 5, 2026
Save $7,004 AUD (53%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $13,275 AUD 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 2556441519. Listed at 13 retailers as of November 5, 2026, with prices from $6,271 to $13,275, a $7,004 spread on the same certified stone. NZ Jewellers lists it at $13,275. 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 angle34.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2556441519
Dimensions7.41 × 7.46 × 4.52 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Cloud, Needle
Top View
7.41 mm7.46 mm1.54 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556441519
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.7%

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 5
Current: $13,275 AUD|Low: $5,654 AUD|High: $13,275 AUD|Avg: $8,057 AUD
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
November 6, 2026
Retailer 6$5,654 AUD
Retailer 13$6,271 AUD
Retailer 9$6,364 AUD
Retailer 3$6,488 AUD
Retailer 12$6,693 AUD
Retailer 10$7,191 AUD
Retailer 11$7,191 AUD
Retailer 14$7,191 AUD
Retailer 2$7,617 AUD
Retailer 4$8,297 AUD
Retailer 5$8,758 AUD
Retailer 7$8,924 AUD
Retailer 8$12,608 AUD
NZ Jewellers$13,275 AUD

40 data points across 14 retailers

13 retailers$6,271 AUD to $13,275 AUD

B+
Cheapest Retailer
-
$6,271 AUD
B+
Retailer 2
-
$6,364 AUD
View
B+
Retailer 3
-
$6,488 AUD
View
B+
Retailer 4
-
$6,693 AUD
View
B+
Retailer 5
-
$7,191 AUD
View
Retailer 6
-
$7,191 AUD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$7,191 AUD
View
B+
Retailer 8
-
$7,617 AUD
View
B
Retailer 9
-
$8,297 AUD
View
Retailer 10
-
$8,758 AUD
View
Price last confirmed 22 days ago
B
Retailer 11
-
$8,924 AUD
View
B
Retailer 12
-
$12,608 AUD
View
Most Expensive
B
NZ Jewellers
facdd6fe-b7d4-46f5-b80a-2f79ed57257c · Nov 5
$13,275 AUD
$9,293 USD
View
12 more retailers have this diamond
Prices start from $6,271 AUDSave up to $7,004 AUD

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
$6,271 AUD