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Round|Natural|GIA

1.50ct J SI1 Round Natural Diamond

VG • J/SI1 • GIA 2537839680

Certificate GIA 2537839680

Diamond specifications and retailer prices

From $4,574 AUD
HK$25,100 HKD
As of November 1, 2026
Save $6,180 AUD (57%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $10,754 AUD at NZ Jewellers · As of October 30, 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 2537839680. Listed at 20 retailers as of October 30, 2026, with prices from $4,574 to $10,754, a $6,180 spread on the same certified stone. NZ Jewellers lists it at $10,754. 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
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceMedium
Crown angle38°
Pavilion angle40°
OriginNatural
Grading LabGIA
CertificateGIA 2537839680
Dimensions7.13 × 7.03 × 4.58 mm
L/W Ratio1.01
Top View
7.13 mm7.03 mm1.50 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2537839680
Side View
Table 56.0%Crown 38°Girdle: ThickPavilion 40°Culet: NoneDepth 64.7%

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 1
Current: $10,754 AUD|Low: $4,519 AUD|High: $10,754 AUD|Avg: $6,805 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
November 1, 2026
Retailer 9$4,574 AUD
Retailer 12$5,051 AUD
Retailer 14$5,353 AUD
Retailer 3$5,697 AUD
Retailer 15$5,698 AUD
Retailer 2$5,882 AUD
Retailer 5$6,173 AUD
Retailer 6$6,173 AUD
Retailer 4$6,584 AUD
Retailer 10$6,985 AUD
Retailer 13$6,997 AUD
Retailer 7$7,122 AUD
Retailer 8$7,588 AUD
Retailer 11$9,884 AUD
NZ Jewellers$10,754 AUD

42 data points across 15 retailers

20 retailers$4,574 AUD to $10,754 AUD

A
Cheapest Retailer
-
$4,574 AUD
HK$25,100 HKD
B+
Retailer 2
-
$5,051 AUD
$3,548 USD
View
Retailer 3
-
$5,353 AUD
$3,760 USD
View
Price last confirmed 7 days ago
B+
Retailer 4
-
$5,431 AUD
$3,815 USD
View
B+
Retailer 5
-
$5,697 AUD
$4,002 USD
View
Final sale: no returns
B+
Retailer 6
-
$5,698 AUD
SGD 5,409 SGD
View
B+
Retailer 7
-
$5,755 AUD
SGD 5,463 SGD
View
B+
Retailer 8
-
$5,882 AUD
£3,253 GBP
View
B+
Retailer 9
-
$6,173 AUD
$4,336 USD
View
B+
Retailer 10
-
$6,173 AUD
$4,336 USD
View
B+
Retailer 11
-
$6,186 AUD
$4,346 USD
View
B+
Retailer 12
-
$6,193 AUD
$4,350 USD
View
Retailer 13
-
$6,584 AUD
View
Price last confirmed 22 days ago
B
Retailer 14
-
$6,985 AUD
€4,673 EUR
View
B
Retailer 15
-
$6,997 AUD
£3,870 GBP
View
B
Retailer 16
-
$7,122 AUD
$5,003 USD
View
B
Retailer 17
-
$7,588 AUD
ZAR 86,105 ZAR
View
B
Retailer 18
-
$8,774 AUD
$6,163 USD
View
B
Retailer 19
-
$9,884 AUD
£5,467 GBP
View
Most Expensive
C
NZ Jewellers
92a0c04c-1f2f-4945-a9e1-6f9b170ec050 · Oct 30
$10,754 AUD
$7,554 USD
View
19 more retailers have this diamond
Prices start from $4,574 AUDSave up to $6,180 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
$4,574 AUD