Round|Natural|GIA

0.38ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 6501634775

Certificate GIA 6501634775

Diamond specifications and retailer prices

From $408 NZD
$230 USD
As of October 31, 2026
Save $1,441 NZD (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,883 NZD 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $1,849 NZD|Low: $408 NZD|High: $1,883 NZD|Avg: $698 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
Retailer 12
Retailer 13
October 31, 2026
Retailer 13$408 NZD
Retailer 12$426 NZD
Retailer 4$429 NZD
Retailer 8$440 NZD
Retailer 10$454 NZD
Retailer 9$546 NZD
Retailer 11$550 NZD
Retailer 5$563 NZD
Retailer 2$616 NZD
Retailer 3$779 NZD
Retailer 6$818 NZD
Retailer 7$944 NZD
NZ Jewellers$1,849 NZD

42 data points across 13 retailers

16 retailers$408 NZD to $1,849 NZD

A
Cheapest Retailer
-
$408 NZD
$230 USD
Retailer 2
-
$415 NZD
$234 USD
View
Price last confirmed 44 days ago
Retailer 3
-
$426 NZD
$240 USD
View
Price last confirmed 10 days ago
Retailer 4
-
$435 NZD
$245 USD
View
Price last confirmed 37 days ago
A
Retailer 5
-
$440 NZD
$248 USD
View
A
Retailer 6
-
$454 NZD
$256 USD
View
B+
Retailer 7
-
$546 NZD
$308 USD
View
A
Retailer 8
-
$550 NZD
$310 USD
View
Retailer 9
-
$559 NZD
$315 USD
View
Price last confirmed 39 days ago
A
Retailer 10
-
$563 NZD
$317 USD
View
A
Retailer 11
-
$616 NZD
£273 GBP
View
B+
Retailer 12
-
$779 NZD
$439 USD
View
B+
Retailer 13
-
$818 NZD
€439 EUR
View
B+
Retailer 14
-
$944 NZD
£419 GBP
View
B
Retailer 15
-
$1,849 NZD
$1,042 USD
View
Most Expensive
NZ Jewellers
7f8931f0-0b0d-47df-a6d4-12c8eb769ea8 · Sep 21
$1,883 NZD
$1,061 USD
View
Price last confirmed 40 days ago
15 more retailers have this diamond
Prices start from $408 NZDSave up to $1,441 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
0.38ct Round
$408 NZD