Round|Natural|GIA

0.34ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 6402933824

Certificate GIA 6402933824

Diamond specifications and retailer prices

From $320 USD
As of October 31, 2026
Save $760 USD (70%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,353 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.34ct natural round diamond

This 0.34ct natural round sits in the sub-half-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6402933824. Listed at 18 retailers as of October 30, 2026, with a 237% 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

0.34
Carat
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6402933824
Dimensions4.48 × 4.44 × 2.78 mm
L/W Ratio1.01
Star length45%
Lower girdle80%
Top View
4.48 mm4.44 mm0.34 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6402933824
Side View
Table 58.0%Crown 36.5°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 62.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $578 USD|Low: $330 USD|High: $824 USD|Avg: $507 USD|+3.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 5$330 USD
Retailer 7$381 USD
Retailer 9$405 USD
Retailer 8$431 USD
Retailer 3$455 USD
Retailer 4$547 USD
Retailer 6$565 USD
Retailer 1$578 USD
Retailer 2$815 USD

44 data points across 9 retailers

18 retailers$320 USD to $1,080 USD

A
Cheapest Retailer
-
$320 USD
Retailer 2
-
$330 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$333 USD
View
B+
Retailer 4
-
$344 USD
View
B+
Retailer 5
-
$357 USD
View
B+
Retailer 6
-
$358 USD
View
B+
Retailer 7
-
$405 USD
View
B+
Retailer 8
-
$428 USD
View
B+
Retailer 9
-
$430 USD
View
B+
Retailer 10
-
$431 USD
View
B+
Retailer 11
-
$441 USD
View
B
Retailer 12
-
$455 USD
£359 GBP
View
B
Retailer 13
-
$547 USD
ZAR 8,839 ZAR
View
Retailer 14
-
$565 USD
A$870 AUD
View
Price last confirmed 28 days ago
B
Retailer 15
-
$578 USD
€550 EUR
View
B
Retailer 16
-
$815 USD
£642 GBP
View
B
Retailer 17
-
$1,080 USD
CA$1,499 CAD
View
Most Expensive
NZ Jewellers
9b6e0c05-611d-45a6-87c5-7db38e2a1546 · Oct 30
$1,353 USD
View
Price under review
17 more retailers have this diamond
Prices start from $320 USDSave up to $760 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
0.34ct Round
$320 USD