Round|Natural|GIA

0.38ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 5536679636

Certificate GIA 5536679636

Diamond specifications and retailer prices

From $628 NZD
£279 GBP
As of October 31, 2026
Save $555 NZD (47%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,319 NZD at NZ Jewellers · As of September 28, 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 5536679636. Listed at 8 retailers as of October 26, 2026, with a 88% 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 angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 5536679636
Dimensions4.63 × 4.59 × 2.87 mm
L/W Ratio1.01
Star length50%
Top View
4.63 mm4.59 mm0.38 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5536679636
Side View
Table 59.0%Crown 35.5°Girdle: ThickPavilion 41.2°Culet: NoneDepth 62.2%

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: $628 NZD|Low: $542 NZD|High: $1,237 NZD|Avg: $820 NZD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
October 31, 2026
Retailer 4$542 NZD
Retailer 1$628 NZD
Retailer 2$954 NZD
Retailer 3$1,183 NZD

44 data points across 4 retailers

8 retailers$628 NZD to $1,183 NZD

Retailer 1
-
$513 NZD
$289 USD
Price last confirmed 23 days ago
Retailer 2
-
$552 NZD
$311 USD
View
Price last confirmed 23 days ago
Retailer 3
-
$571 NZD
$322 USD
View
Price last confirmed 32 days ago
A
Retailer 4
-
$628 NZD
£279 GBP
View
Retailer 5
-
$688 NZD
$388 USD
View
Price last confirmed 32 days ago
B+
Retailer 6
-
$954 NZD
€512 EUR
View
B
Retailer 7
-
$1,183 NZD
£525 GBP
View
Most Expensive
NZ Jewellers
9685e8e7-d970-46cc-9c81-e3cab6548218 · Sep 28
$2,319 NZD
$1,307 USD
View
Price last confirmed 33 days ago
7 more retailers have this diamond
Prices start from $628 NZDSave up to $555 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
$628 NZD