Round|Natural|GIA

0.30ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2407403371

Certificate GIA 2407403371

Diamond specifications and retailer prices

From $246 SGD
₹18,301 INR
As of October 30, 2026
Save $568 SGD (70%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,586 SGD at NZ Jewellers · As of October 29, 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 2407403371. Listed at 20 retailers as of October 29, 2026, with a 231% 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

0.30
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle32.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2407403371
Dimensions4.36 × 4.34 × 2.58 mm
L/W Ratio1.00
Top View
4.36 mm4.34 mm0.30 ctJ / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2407403371
Side View
Table 60.0%Crown 32.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 59.3%

Caratlytics Score

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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 30
Current: $442 SGD|Low: $244 SGD|High: $818 SGD|Avg: $519 SGD|+5.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 2$246 SGD
Retailer 7$369 SGD
Retailer 1$442 SGD
Retailer 3$543 SGD
Retailer 6$561 SGD
Retailer 5$591 SGD
Retailer 8$616 SGD
Retailer 4$813 SGD

39 data points across 8 retailers

20 retailers$246 SGD to $813 SGD

A
Cheapest Retailer
-
$246 SGD
₹18,301 INR
B+
Retailer 2
-
$350 SGD
$274 USD
View
Retailer 3
-
$350 SGD
$274 USD
View
Price last confirmed 38 days ago
Retailer 4
-
$371 SGD
$290 USD
View
Price last confirmed 41 days ago
B+
Retailer 5
-
$371 SGD
View
B+
Retailer 6
-
$377 SGD
$295 USD
View
B+
Retailer 7
-
$391 SGD
$306 USD
View
B+
Retailer 8
-
$404 SGD
$316 USD
View
B+
Retailer 9
-
$408 SGD
A$491 AUD
View
B+
Retailer 10
-
$442 SGD
£272 GBP
View
Retailer 11
-
$472 SGD
$369 USD
View
Price last confirmed 39 days ago
B
Retailer 12
-
$517 SGD
$404 USD
View
B
Retailer 13
-
$520 SGD
$407 USD
View
B+
Retailer 14
-
$543 SGD
ZAR 6,861 ZAR
View
B
Retailer 15
-
$555 SGD
£342 GBP
View
Retailer 16
-
$561 SGD
A$675 AUD
View
Price last confirmed 27 days ago
B
Retailer 17
-
$616 SGD
$482 USD
View
B
Retailer 18
-
$813 SGD
£501 GBP
View
Retailer 19
-
$1,586 SGD
$1,241 USD
View
Price under review
Most Expensive
NZ Jewellers
d99bd1a5-4a68-43e7-a228-860f0fc8039e · Oct 29
$1,586 SGD
$1,241 USD
View
Price under review
19 more retailers have this diamond
Prices start from $246 SGDSave up to $568 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
$246 SGD