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Round|Natural|GIA

0.38ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 6551538742

Certificate GIA 6551538742

Diamond specifications and retailer prices

From $353 AUD
$248 USD
As of October 28, 2026
Save $1,244 AUD (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,597 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.38ct natural round diamond

This 0.38ct 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 6551538742. Listed at 8 retailers as of October 28, 2026, with prices from $353 to $1,597, a $1,244 spread on the same certified stone. NZ Jewellers lists it at $1,597. 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

0.38
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6551538742
Dimensions4.61 × 4.65 × 2.88 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp
Top View
4.61 mm4.65 mm0.38 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551538742
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.3%

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 28
Current: $1,597 AUD|Low: $353 AUD|High: $1,714 AUD|Avg: $726 AUD|-6.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 7$353 AUD
Retailer 6$393 AUD
Retailer 8$474 AUD
Retailer 2$552 AUD
Retailer 4$694 AUD
Retailer 3$727 AUD
Retailer 5$815 AUD
NZ Jewellers$1,597 AUD

41 data points across 8 retailers

8 retailers$353 AUD to $1,597 AUD

A
Cheapest Retailer
-
$353 AUD
$248 USD
A
Retailer 2
-
$393 AUD
$276 USD
View
A
Retailer 3
-
$474 AUD
$333 USD
View
B+
Retailer 4
-
$552 AUD
£305 GBP
View
B+
Retailer 5
-
$694 AUD
€464 EUR
View
B+
Retailer 6
-
$727 AUD
£402 GBP
View
B+
Retailer 7
-
$815 AUD
£451 GBP
View
Most Expensive
B
NZ Jewellers
4c299bfd-d5ce-4357-a40f-7a0cd82674bb · Oct 30
$1,597 AUD
$1,122 USD
View
7 more retailers have this diamond
Prices start from $353 AUDSave up to $1,244 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
0.38ct Round
$353 AUD