Round|Natural|GIA

0.38ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 6501634775

Certificate GIA 6501634775

Diamond specifications and retailer prices

From $327 AUD
$230 USD
As of October 31, 2026
Save $1,156 AUD (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,510 AUD at NZ Jewellers · As of September 21, 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 6501634775. Listed at 16 retailers as of October 30, 2026, with a 353% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
FluorescenceFaint
Crown angle34.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6501634775
Dimensions4.66 × 4.63 × 2.88 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
4.66 mm4.63 mm0.38 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6501634775
Side View
Table 57.0%Crown 34.5°Girdle: Sli. ThickPavilion 41.2°Culet: NoneDepth 62.1%

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: $1,483 AUD|Low: $327 AUD|High: $1,510 AUD|Avg: $561 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
Retailer 12
Retailer 13
October 31, 2026
Retailer 13$327 AUD
Retailer 12$342 AUD
Retailer 4$344 AUD
Retailer 8$353 AUD
Retailer 10$364 AUD
Retailer 9$438 AUD
Retailer 11$441 AUD
Retailer 5$451 AUD
Retailer 2$494 AUD
Retailer 3$625 AUD
Retailer 6$656 AUD
Retailer 7$758 AUD
NZ Jewellers$1,483 AUD

41 data points across 13 retailers

16 retailers$327 AUD to $1,483 AUD

A
Cheapest Retailer
-
$327 AUD
$230 USD
Retailer 2
-
$333 AUD
$234 USD
View
Price last confirmed 44 days ago
Retailer 3
-
$342 AUD
$240 USD
View
Price last confirmed 10 days ago
Retailer 4
-
$349 AUD
$245 USD
View
Price last confirmed 37 days ago
A
Retailer 5
-
$353 AUD
$248 USD
View
A
Retailer 6
-
$364 AUD
$256 USD
View
B+
Retailer 7
-
$438 AUD
$308 USD
View
A
Retailer 8
-
$441 AUD
$310 USD
View
Retailer 9
-
$448 AUD
$315 USD
View
Price last confirmed 39 days ago
A
Retailer 10
-
$451 AUD
$317 USD
View
A
Retailer 11
-
$494 AUD
£273 GBP
View
B+
Retailer 12
-
$625 AUD
$439 USD
View
B+
Retailer 13
-
$656 AUD
€439 EUR
View
B+
Retailer 14
-
$758 AUD
£419 GBP
View
B
Retailer 15
-
$1,483 AUD
$1,042 USD
View
Most Expensive
NZ Jewellers
7f8931f0-0b0d-47df-a6d4-12c8eb769ea8 · Sep 21
$1,510 AUD
$1,061 USD
View
Price last confirmed 40 days ago
15 more retailers have this diamond
Prices start from $327 AUDSave up to $1,156 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
$327 AUD