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Round|Natural|GIA

0.37ct J SI2 Round Natural Diamond

VG • J/SI2 • GIA 6492390723

Certificate GIA 6492390723

Diamond specifications and retailer prices

From $313 AUD
$220 USD
As of October 31, 2026
Save $1,384 AUD (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,697 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.37ct natural round diamond

This 0.37ct natural round sits in the sub-half-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 6492390723. Listed at 15 retailers as of October 30, 2026, with prices from $313 to $1,697, a $1,384 spread on the same certified stone. NZ Jewellers lists it at $1,697. 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

0.37
Carat
J
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceStrong
Crown angle37°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 6492390723
Dimensions4.55 × 4.53 × 2.87 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
4.55 mm4.53 mm0.37 ctJ / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6492390723
Side View
Table 56.0%Crown 37°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 63.4%

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: Oct 31
Current: $1,697 AUD|Low: $259 AUD|High: $1,697 AUD|Avg: $574 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
October 31, 2026
Retailer 13$313 AUD
Retailer 5$339 AUD
Retailer 7$366 AUD
Retailer 14$377 AUD
Retailer 4$379 AUD
Retailer 3$383 AUD
Retailer 12$421 AUD
Retailer 6$457 AUD
Retailer 2$471 AUD
Retailer 15$515 AUD
Retailer 11$528 AUD
Retailer 8$638 AUD
Retailer 9$773 AUD
Retailer 10$870 AUD
NZ Jewellers$1,697 AUD

36 data points across 15 retailers

15 retailers$313 AUD to $1,697 AUD

B+
Cheapest Retailer
-
$313 AUD
$220 USD
Final sale: no returns
A
Retailer 2
-
$339 AUD
$238 USD
View
B+
Retailer 3
-
$366 AUD
$257 USD
View
Retailer 4
-
$377 AUD
$265 USD
View
Price last confirmed 10 days ago
B+
Retailer 5
-
$379 AUD
$266 USD
View
B+
Retailer 6
-
$383 AUD
HK$2,100 HKD
View
A
Retailer 7
-
$421 AUD
$296 USD
View
B+
Retailer 8
-
$457 AUD
$321 USD
View
B+
Retailer 9
-
$471 AUD
£261 GBP
View
B+
Retailer 10
-
$515 AUD
$362 USD
View
B+
Retailer 11
-
$528 AUD
$371 USD
View
B
Retailer 12
-
$638 AUD
€427 EUR
View
B
Retailer 13
-
$773 AUD
£428 GBP
View
B
Retailer 14
-
$870 AUD
£481 GBP
View
Most Expensive
C
NZ Jewellers
7902f9f1-e90c-4053-a97d-9ea04ec7023d · Oct 30
$1,697 AUD
$1,192 USD
View
14 more retailers have this diamond
Prices start from $313 AUDSave up to $1,384 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
0.37ct Round
$313 AUD