Round|Natural|GIA

0.30ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2557240411

Certificate GIA 2557240411

Diamond specifications and retailer prices

From $160 USD
₹15,262 INR
As of October 29, 2026
Save $859 USD (84%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,019 USD 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 $160 to $1,019, a $859 spread on the same certified stone. NZ Jewellers lists it at $1,019. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,019 USD|Low: $160 USD|High: $1,075 USD|Avg: $358 USD|-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$160 USD
Retailer 11$205 USD
Retailer 9$227 USD
Retailer 10$242 USD
Retailer 13$245 USD
Retailer 3$246 USD
Retailer 8$253 USD
Retailer 19$276 USD
Retailer 18$285 USD
Retailer 4$303 USD
Retailer 2$344 USD
Retailer 17$347 USD
Retailer 6$351 USD
Retailer 7$357 USD
Retailer 16$400 USD
Retailer 5$433 USD
Retailer 14$462 USD
Retailer 15$527 USD
NZ Jewellers$1,019 USD

16 data points across 19 retailers

21 retailers$160 USD to $1,019 USD

A
Cheapest Retailer
-
$160 USD
₹15,262 INR
A
Retailer 2
-
$205 USD
HK$1,600 HKD
View
A
Retailer 3
-
$227 USD
View
A
Retailer 4
-
$242 USD
View
A
Retailer 5
-
$245 USD
View
A
Retailer 6
-
$246 USD
SGD 333 SGD
View
A
Retailer 7
-
$253 USD
View
A
Retailer 8
-
$276 USD
View
Retailer 9
-
$280 USD
View
Price last confirmed 30 days ago
A
Retailer 10
-
$285 USD
A$438 AUD
View
A
Retailer 11
-
$303 USD
View
B+
Retailer 12
-
$344 USD
£271 GBP
View
B+
Retailer 13
-
$347 USD
View
B+
Retailer 14
-
$351 USD
ZAR 5,676 ZAR
View
B+
Retailer 15
-
$357 USD
View
B+
Retailer 16
-
$400 USD
€381 EUR
View
B+
Retailer 17
-
$433 USD
View
B+
Retailer 18
-
$462 USD
£364 GBP
View
Retailer 19
-
$491 USD
A$756 AUD
View
Price last confirmed 25 days ago
B
Retailer 20
-
$527 USD
£415 GBP
View
Most Expensive
B
NZ Jewellers
7b8de99c-d9d9-4c07-962a-4c086db14888 · Oct 26
$1,019 USD
View
20 more retailers have this diamond
Prices start from $160 USDSave up to $859 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
0.30ct Round
$160 USD