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0.38ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 6551538742

Certificate GIA 6551538742

Diamond specifications and retailer prices

From $248 USD
As of October 28, 2026
Save $874 USD (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,122 USD 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 $248 to $1,122, a $874 spread on the same certified stone. NZ Jewellers lists it at $1,122. 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
Color
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: $1,122 USD|Low: $248 USD|High: $1,204 USD|Avg: $505 USD|-6.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 7$248 USD
Retailer 6$276 USD
Retailer 8$333 USD
Retailer 3$388 USD
Retailer 4$487 USD
Retailer 2$511 USD
Retailer 5$573 USD
NZ Jewellers$1,122 USD

41 data points across 8 retailers

8 retailers$248 USD to $1,122 USD

A
Cheapest Retailer
-
$248 USD
A
Retailer 2
-
$276 USD
View
A
Retailer 3
-
$333 USD
View
B+
Retailer 4
-
$388 USD
£305 GBP
View
B+
Retailer 5
-
$487 USD
€464 EUR
View
B+
Retailer 6
-
$511 USD
£402 GBP
View
B+
Retailer 7
-
$573 USD
£451 GBP
View
Most Expensive
B
NZ Jewellers
4c299bfd-d5ce-4357-a40f-7a0cd82674bb · Oct 30
$1,122 USD
View
7 more retailers have this diamond
Prices start from $248 USDSave up to $874 USD

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
$248 USD