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Round|Natural|GIA

1.50ct K SI1 Round Natural Diamond

VG • K/SI1 • GIA 6561589362

Certificate GIA 6561589362

Diamond specifications and retailer prices

From $3,784 AUD
As of November 6, 2026
Save $5,203 AUD (58%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $8,987 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 6561589362. Listed at 19 retailers as of November 5, 2026, with prices from $3,784 to $8,987, a $5,203 spread on the same certified stone. NZ Jewellers lists it at $8,987. 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
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle39.8°
OriginNatural
Grading LabGIA
CertificateGIA 6561589362
Dimensions7.14 × 7.05 × 4.54 mm
L/W Ratio1.01
Girdle conditionFaceted
Key to symbols
Cloud, Twinning Wisp, Feather, Crystal, Needle
Top View
7.14 mm7.05 mm1.50 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6561589362
Side View
Table 57.0%Crown 38°Girdle: STK-THKPavilion 39.8°Culet: NDepth 64.0%

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 6
Current: $8,987 AUD|Low: $3,748 AUD|High: $8,987 AUD|Avg: $5,735 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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 5$3,784 AUD
Retailer 11$4,273 AUD
Retailer 10$4,580 AUD
Retailer 7$4,650 AUD
Retailer 17$4,760 AUD
Retailer 8$4,795 AUD
Retailer 13$4,921 AUD
Retailer 6$5,158 AUD
Retailer 12$5,270 AUD
Retailer 3$5,357 AUD
Retailer 18$5,498 AUD
Retailer 2$5,615 AUD
Retailer 4$5,951 AUD
Retailer 15$5,968 AUD
Retailer 14$6,004 AUD
Retailer 16$6,295 AUD
Retailer 9$7,291 AUD
Retailer 19$8,602 AUD
NZ Jewellers$8,987 AUD

13 data points across 19 retailers

19 retailers$3,784 AUD to $8,987 AUD

A
Cheapest Retailer
-
$3,784 AUD
B+
Retailer 2
-
$4,273 AUD
View
B+
Retailer 3
-
$4,580 AUD
View
Retailer 4
-
$4,650 AUD
View
Price last confirmed 9 days ago
B+
Retailer 5
-
$4,760 AUD
View
B+
Retailer 6
-
$4,795 AUD
View
B+
Retailer 7
-
$4,921 AUD
View
Retailer 8
-
$5,158 AUD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$5,270 AUD
View
B+
Retailer 10
-
$5,357 AUD
View
B+
Retailer 11
-
$5,498 AUD
View
B+
Retailer 12
-
$5,615 AUD
View
B+
Retailer 13
-
$5,951 AUD
View
B+
Retailer 14
-
$5,968 AUD
View
B+
Retailer 15
-
$6,004 AUD
View
B+
Retailer 16
-
$6,295 AUD
View
B
Retailer 17
-
$7,291 AUD
View
B
Retailer 18
-
$8,602 AUD
View
Most Expensive
B
NZ Jewellers
41c6a8a6-8da5-4acd-954e-e52c898fe9db · Nov 5
$8,987 AUD
$6,291 USD
View
18 more retailers have this diamond
Prices start from $3,784 AUDSave up to $5,203 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
$3,784 AUD