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Round|Natural|GIA

0.37ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2394885370

Certificate GIA 2394885370

Diamond specifications and retailer prices

From $337 AUD
$237 USD
As of October 31, 2026
Save $1,193 AUD (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,530 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 top-tier cut grade and certified by GIA 2394885370. Listed at 10 retailers as of October 30, 2026, with prices from $337 to $1,530, a $1,193 spread on the same certified stone. NZ Jewellers lists it at $1,530. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.37
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2394885370
Dimensions4.64 × 4.61 × 2.85 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
4.64 mm4.61 mm0.37 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2394885370
Side View
Table 58.0%Crown 35°Girdle: MediumPavilion 41.4°Culet: NoneDepth 61.8%

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: $1,530 AUD|Low: $337 AUD|High: $1,559 AUD|Avg: $580 AUD|-1.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 9$337 AUD
Retailer 10$357 AUD
Retailer 6$364 AUD
Retailer 7$377 AUD
Retailer 11$454 AUD
Retailer 8$456 AUD
Retailer 3$468 AUD
Retailer 2$522 AUD
Retailer 4$671 AUD
Retailer 5$781 AUD
NZ Jewellers$1,530 AUD

42 data points across 11 retailers

10 retailers$337 AUD to $1,530 AUD

A
Cheapest Retailer
-
$337 AUD
$237 USD
A
Retailer 2
-
$364 AUD
$256 USD
View
A
Retailer 3
-
$377 AUD
$265 USD
View
A
Retailer 4
-
$454 AUD
$319 USD
View
A
Retailer 5
-
$456 AUD
$320 USD
View
A
Retailer 6
-
$468 AUD
$329 USD
View
B+
Retailer 7
-
$522 AUD
£289 GBP
View
B+
Retailer 8
-
$671 AUD
€449 EUR
View
B+
Retailer 9
-
$781 AUD
£432 GBP
View
Most Expensive
B
NZ Jewellers
13068347-06f7-4d08-9679-c26d65765610 · Oct 30
$1,530 AUD
$1,075 USD
View
9 more retailers have this diamond
Prices start from $337 AUDSave up to $1,193 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
$337 AUD