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Round|Natural|GIA

1.51ct J SI1 Round Natural Diamond

VG • J/SI1 • GIA 7568752348

Certificate GIA 7568752348

Diamond specifications and retailer prices

From $4,861 AUD
As of November 4, 2026
Save $6,589 AUD (58%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $11,450 AUD at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 7568752348. Listed at 18 retailers as of November 2, 2026, with prices from $4,861 to $11,450, a $6,589 spread on the same certified stone. NZ Jewellers lists it at $11,450. 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

1.51
Carat
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 7568752348
Dimensions7.12 × 7.05 × 4.61 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
7.12 mm7.05 mm1.51 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7568752348
Side View
Table 58.0%Crown 38°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 65.1%

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: $11,450 AUD|Low: $4,861 AUD|High: $13,899 AUD|Avg: $6,806 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
November 3, 2026
Retailer 7$4,861 AUD
Retailer 14$5,025 AUD
Retailer 4$5,322 AUD
Retailer 17$5,973 AUD
Retailer 6$5,979 AUD
Retailer 9$6,066 AUD
Retailer 16$6,222 AUD
Retailer 10$6,571 AUD
Retailer 13$6,571 AUD
Retailer 3$6,651 AUD
Retailer 11$6,680 AUD
Retailer 2$6,995 AUD
Retailer 8$7,583 AUD
Retailer 15$7,813 AUD
Retailer 5$8,077 AUD
Retailer 12$10,467 AUD
NZ Jewellers$11,450 AUD

5 data points across 17 retailers

18 retailers$4,861 AUD to $11,450 AUD

A
Cheapest Retailer
-
$4,861 AUD
A
Retailer 2
-
$5,025 AUD
View
B+
Retailer 3
-
$5,322 AUD
View
B+
Retailer 4
-
$5,446 AUD
View
B+
Retailer 5
-
$5,973 AUD
View
B+
Retailer 6
-
$5,979 AUD
View
B+
Retailer 7
-
$6,066 AUD
View
Final sale: no returns
B+
Retailer 8
-
$6,222 AUD
View
B+
Retailer 9
-
$6,571 AUD
View
B+
Retailer 10
-
$6,571 AUD
View
B+
Retailer 11
-
$6,651 AUD
View
B+
Retailer 12
-
$6,680 AUD
View
B
Retailer 13
-
$6,995 AUD
View
B
Retailer 14
-
$7,583 AUD
View
B
Retailer 15
-
$7,813 AUD
View
B
Retailer 16
-
$8,077 AUD
View
B
Retailer 17
-
$10,467 AUD
View
Most Expensive
C
NZ Jewellers
cbd2490a-52d9-4da4-851d-176c7b4362e1 · Nov 2
$11,450 AUD
$7,867 USD
View
17 more retailers have this diamond
Prices start from $4,861 AUDSave up to $6,589 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
1.51ct Round
$4,861 AUD