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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 HK$1,257 HKD
₹15,262 INR
As of October 29, 2026
Save HK$6,737 HKD (84%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$7,995 HKD 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 HK$1,257 to HK$7,995, a HK$6,737 spread on the same certified stone. NZ Jewellers lists it at HK$7,995. 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: HK$7,995 HKD|Low: HK$1,255 HKD|High: HK$8,434 HKD|Avg: HK$2,810 HKD|-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 12HK$1,257 HKD
Retailer 11HK$1,607 HKD
Retailer 9HK$1,781 HKD
Retailer 10HK$1,899 HKD
Retailer 13HK$1,922 HKD
Retailer 3HK$1,933 HKD
Retailer 8HK$1,985 HKD
Retailer 19HK$2,165 HKD
Retailer 18HK$2,235 HKD
Retailer 4HK$2,377 HKD
Retailer 2HK$2,698 HKD
Retailer 17HK$2,719 HKD
Retailer 6HK$2,757 HKD
Retailer 7HK$2,802 HKD
Retailer 16HK$3,139 HKD
Retailer 5HK$3,397 HKD
Retailer 14HK$3,627 HKD
Retailer 15HK$4,135 HKD
NZ JewellersHK$7,995 HKD

16 data points across 19 retailers

21 retailersHK$1,257 HKD to HK$7,995 HKD

A
Cheapest Retailer
-
HK$1,257 HKD
₹15,262 INR
A
Retailer 2
-
HK$1,607 HKD
View
A
Retailer 3
-
HK$1,781 HKD
$227 USD
View
A
Retailer 4
-
HK$1,899 HKD
$242 USD
View
A
Retailer 5
-
HK$1,922 HKD
$245 USD
View
A
Retailer 6
-
HK$1,933 HKD
SGD 333 SGD
View
A
Retailer 7
-
HK$1,985 HKD
$253 USD
View
A
Retailer 8
-
HK$2,165 HKD
$276 USD
View
Retailer 9
-
HK$2,197 HKD
$280 USD
View
Price last confirmed 31 days ago
A
Retailer 10
-
HK$2,235 HKD
A$438 AUD
View
A
Retailer 11
-
HK$2,377 HKD
$303 USD
View
B+
Retailer 12
-
HK$2,698 HKD
£271 GBP
View
B+
Retailer 13
-
HK$2,719 HKD
$347 USD
View
B+
Retailer 14
-
HK$2,757 HKD
ZAR 5,676 ZAR
View
B+
Retailer 15
-
HK$2,802 HKD
$357 USD
View
B+
Retailer 16
-
HK$3,139 HKD
€381 EUR
View
B+
Retailer 17
-
HK$3,397 HKD
$433 USD
View
B+
Retailer 18
-
HK$3,627 HKD
£364 GBP
View
Retailer 19
-
HK$3,853 HKD
A$756 AUD
View
Price last confirmed 27 days ago
B
Retailer 20
-
HK$4,135 HKD
£415 GBP
View
Most Expensive
B
NZ Jewellers
7b8de99c-d9d9-4c07-962a-4c086db14888 · Oct 26
HK$7,995 HKD
$1,019 USD
View
20 more retailers have this diamond
Prices start from HK$1,257 HKDSave up to HK$6,737 HKD

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
HK$1,257 HKD