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Round|Natural|GIA

1.50ct K SI1 Round Natural Diamond

VG • K/SI1 • GIA 2567114131

Certificate GIA 2567114131

Diamond specifications and retailer prices

From $3,963 AUD
As of November 4, 2026
Save $4,471 AUD (53%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $8,434 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural round diamond

This 1.5ct 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 very-good cut grade and certified by GIA 2567114131. Listed at 16 retailers as of November 4, 2026, with prices from $3,963 to $8,434, a $4,471 spread on the same certified stone. NZ Jewellers lists it at $8,434. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
K
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle37.5°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 2567114131
Dimensions7.13 × 7.07 × 4.61 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Needle, Natural
Top View
7.13 mm7.07 mm1.50 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2567114131
Side View
Table 56.0%Crown 37.5°Girdle: ThickPavilion 40.2°Culet: NDepth 64.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $8,434 AUD|Low: $3,963 AUD|High: $8,648 AUD|Avg: $5,464 AUD|-2.5%
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
November 6, 2026
Retailer 7$3,963 AUD
Retailer 4$4,297 AUD
Retailer 15$4,671 AUD
Retailer 3$4,841 AUD
Retailer 14$4,841 AUD
Retailer 5$4,871 AUD
Retailer 9$4,978 AUD
Retailer 8$5,021 AUD
Retailer 16$5,027 AUD
Retailer 13$5,045 AUD
Retailer 2$5,271 AUD
Retailer 6$5,585 AUD
Retailer 10$5,621 AUD
Retailer 11$5,908 AUD
Retailer 12$8,072 AUD
NZ Jewellers$8,434 AUD

23 data points across 16 retailers

16 retailers$3,963 AUD to $8,434 AUD

A
Cheapest Retailer
-
$3,963 AUD
A
Retailer 2
-
$4,297 AUD
View
A
Retailer 3
-
$4,671 AUD
View
B+
Retailer 4
-
$4,841 AUD
View
Retailer 5
-
$4,841 AUD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$4,871 AUD
View
B+
Retailer 7
-
$4,978 AUD
View
Retailer 8
-
$5,021 AUD
View
Price last confirmed 12 days ago
B+
Retailer 9
-
$5,027 AUD
View
B+
Retailer 10
-
$5,045 AUD
View
B+
Retailer 11
-
$5,271 AUD
View
B+
Retailer 12
-
$5,585 AUD
View
B+
Retailer 13
-
$5,621 AUD
View
B+
Retailer 14
-
$5,908 AUD
View
B
Retailer 15
-
$8,072 AUD
View
Most Expensive
B
NZ Jewellers
0608f878-699a-4020-8ffd-8168a5562042 · Nov 5
$8,434 AUD
$5,904 USD
View
15 more retailers have this diamond
Prices start from $3,963 AUDSave up to $4,471 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.

A
1.50ct Round
$3,963 AUD