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Round|Natural|GIA

0.30ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2557240411

Certificate GIA 2557240411

Diamond specifications and retailer prices

From $224 CAD
₹15,262 INR
As of October 29, 2026
Save $1,202 CAD (84%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,426 CAD at NZ Jewellers · As of October 26, 2026
View at NZ Jewellers

About this 0.3ct natural round diamond

This 0.3ct 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 2557240411. Listed at 21 retailers as of October 26, 2026, with prices from $224 to $1,426, a $1,202 spread on the same certified stone. NZ Jewellers lists it at $1,426. 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

0.30
Carat
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2557240411
Dimensions4.34 × 4.37 × 2.63 mm
L/W Ratio1.01
Key to symbols
Crystal, Cloud
Top View
4.34 mm4.37 mm0.30 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2557240411
Side View
Table 60.0%Crown 33.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 60.5%

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 29
Current: $1,426 CAD|Low: $224 CAD|High: $1,505 CAD|Avg: $501 CAD|-5.2%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 29, 2026
Retailer 12$224 CAD
Retailer 11$287 CAD
Retailer 9$318 CAD
Retailer 10$339 CAD
Retailer 13$343 CAD
Retailer 3$345 CAD
Retailer 8$354 CAD
Retailer 19$386 CAD
Retailer 18$399 CAD
Retailer 4$424 CAD
Retailer 2$481 CAD
Retailer 17$485 CAD
Retailer 6$492 CAD
Retailer 7$500 CAD
Retailer 16$560 CAD
Retailer 5$606 CAD
Retailer 14$647 CAD
Retailer 15$738 CAD
NZ Jewellers$1,426 CAD

16 data points across 19 retailers

21 retailers$224 CAD to $1,426 CAD

A
Cheapest Retailer
-
$224 CAD
₹15,262 INR
A
Retailer 2
-
$287 CAD
HK$1,600 HKD
View
A
Retailer 3
-
$318 CAD
$227 USD
View
A
Retailer 4
-
$339 CAD
$242 USD
View
A
Retailer 5
-
$343 CAD
$245 USD
View
A
Retailer 6
-
$345 CAD
SGD 333 SGD
View
A
Retailer 7
-
$354 CAD
$253 USD
View
A
Retailer 8
-
$386 CAD
$276 USD
View
Retailer 9
-
$392 CAD
$280 USD
View
Price last confirmed 30 days ago
A
Retailer 10
-
$399 CAD
A$438 AUD
View
A
Retailer 11
-
$424 CAD
$303 USD
View
B+
Retailer 12
-
$481 CAD
£271 GBP
View
B+
Retailer 13
-
$485 CAD
$347 USD
View
B+
Retailer 14
-
$492 CAD
ZAR 5,676 ZAR
View
B+
Retailer 15
-
$500 CAD
$357 USD
View
B+
Retailer 16
-
$560 CAD
€381 EUR
View
B+
Retailer 17
-
$606 CAD
$433 USD
View
B+
Retailer 18
-
$647 CAD
£364 GBP
View
Retailer 19
-
$687 CAD
A$756 AUD
View
Price last confirmed 25 days ago
B
Retailer 20
-
$738 CAD
£415 GBP
View
Most Expensive
B
NZ Jewellers
7b8de99c-d9d9-4c07-962a-4c086db14888 · Oct 26
$1,426 CAD
$1,019 USD
View
20 more retailers have this diamond
Prices start from $224 CADSave up to $1,202 CAD

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
0.30ct Round
$224 CAD