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0.37ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2394885370

Certificate GIA 2394885370

Diamond specifications and retailer prices

From $421 NZD
$237 USD
As of October 31, 2026
Save $1,487 NZD (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,907 NZD 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 $421 to $1,907, a $1,487 spread on the same certified stone. NZ Jewellers lists it at $1,907. 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: $1,907 NZD|Low: $421 NZD|High: $1,943 NZD|Avg: $723 NZD|-1.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 9$421 NZD
Retailer 10$444 NZD
Retailer 6$454 NZD
Retailer 7$470 NZD
Retailer 11$566 NZD
Retailer 8$568 NZD
Retailer 3$584 NZD
Retailer 4$651 NZD
Retailer 2$833 NZD
Retailer 5$973 NZD
NZ Jewellers$1,907 NZD

41 data points across 11 retailers

10 retailers$421 NZD to $1,907 NZD

A
Cheapest Retailer
-
$421 NZD
$237 USD
A
Retailer 2
-
$454 NZD
$256 USD
View
A
Retailer 3
-
$470 NZD
$265 USD
View
A
Retailer 4
-
$566 NZD
$319 USD
View
A
Retailer 5
-
$568 NZD
$320 USD
View
A
Retailer 6
-
$584 NZD
$329 USD
View
B+
Retailer 7
-
$651 NZD
£289 GBP
View
B+
Retailer 8
-
$833 NZD
€447 EUR
View
B+
Retailer 9
-
$973 NZD
£432 GBP
View
Most Expensive
B
NZ Jewellers
13068347-06f7-4d08-9679-c26d65765610 · Oct 30
$1,907 NZD
$1,075 USD
View
9 more retailers have this diamond
Prices start from $421 NZDSave up to $1,487 NZD

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
$421 NZD