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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 $205 SGD
₹15,262 INR
As of October 29, 2026
Save $1,098 SGD (84%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,303 SGD 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 $205 to $1,303, a $1,098 spread on the same certified stone. NZ Jewellers lists it at $1,303. 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
Colour
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: $1,303 SGD|Low: $204 SGD|High: $1,374 SGD|Avg: $458 SGD|-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$205 SGD
Retailer 11$262 SGD
Retailer 9$290 SGD
Retailer 10$309 SGD
Retailer 13$313 SGD
Retailer 3$315 SGD
Retailer 8$323 SGD
Retailer 19$353 SGD
Retailer 18$364 SGD
Retailer 4$387 SGD
Retailer 2$440 SGD
Retailer 17$443 SGD
Retailer 6$449 SGD
Retailer 7$457 SGD
Retailer 16$511 SGD
Retailer 5$554 SGD
Retailer 14$591 SGD
Retailer 15$674 SGD
NZ Jewellers$1,303 SGD

16 data points across 19 retailers

21 retailers$205 SGD to $1,303 SGD

A
Cheapest Retailer
-
$205 SGD
₹15,262 INR
A
Retailer 2
-
$262 SGD
HK$1,600 HKD
View
A
Retailer 3
-
$290 SGD
$227 USD
View
A
Retailer 4
-
$309 SGD
$242 USD
View
A
Retailer 5
-
$313 SGD
$245 USD
View
A
Retailer 6
-
$315 SGD
View
A
Retailer 7
-
$323 SGD
$253 USD
View
A
Retailer 8
-
$353 SGD
$276 USD
View
Retailer 9
-
$358 SGD
$280 USD
View
Price last confirmed 30 days ago
A
Retailer 10
-
$364 SGD
A$438 AUD
View
A
Retailer 11
-
$387 SGD
$303 USD
View
B+
Retailer 12
-
$440 SGD
£271 GBP
View
B+
Retailer 13
-
$443 SGD
$347 USD
View
B+
Retailer 14
-
$449 SGD
ZAR 5,676 ZAR
View
B+
Retailer 15
-
$457 SGD
$357 USD
View
B+
Retailer 16
-
$511 SGD
€381 EUR
View
B+
Retailer 17
-
$554 SGD
$433 USD
View
B+
Retailer 18
-
$591 SGD
£364 GBP
View
Retailer 19
-
$628 SGD
A$756 AUD
View
Price last confirmed 26 days ago
B
Retailer 20
-
$674 SGD
£415 GBP
View
Most Expensive
B
NZ Jewellers
7b8de99c-d9d9-4c07-962a-4c086db14888 · Oct 26
$1,303 SGD
$1,019 USD
View
20 more retailers have this diamond
Prices start from $205 SGDSave up to $1,098 SGD

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
$205 SGD