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Round|Natural|GIA

0.30ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6481766346

Certificate GIA 6481766346

Diamond specifications and retailer prices

From HK$1,553 HKD
As of October 31, 2026
Save HK$3,577 HKD (70%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$10,058 HKD at NZ Jewellers · As of September 24, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6481766346. Listed at 19 retailers as of October 31, 2026, with a 230% 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
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6481766346
Dimensions4.31 × 4.28 × 2.64 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
4.31 mm4.28 mm0.30 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6481766346
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.3%

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 31
Current: HK$4,464 HKD|Low: HK$1,546 HKD|High: HK$5,186 HKD|Avg: HK$3,376 HKD|-1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 8HK$1,553 HKD
Retailer 9HK$2,118 HKD
Retailer 6HK$2,236 HKD
Retailer 2HK$2,338 HKD
Retailer 3HK$2,762 HKD
Retailer 5HK$3,460 HKD
Retailer 4HK$3,711 HKD
Retailer 1HK$4,464 HKD
Retailer 7HK$5,131 HKD

30 data points across 9 retailers

19 retailersHK$1,553 HKD to HK$5,131 HKD

A
Cheapest Retailer
-
HK$1,553 HKD
A
Retailer 2
-
HK$2,118 HKD
View
B+
Retailer 3
-
HK$2,220 HKD
View
Retailer 4
-
HK$2,220 HKD
View
Price last confirmed 44 days ago
B+
Retailer 5
-
HK$2,236 HKD
View
B+
Retailer 6
-
HK$2,338 HKD
View
Retailer 7
-
HK$2,393 HKD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
HK$2,479 HKD
View
B+
Retailer 9
-
HK$2,762 HKD
View
Retailer 10
-
HK$2,989 HKD
View
Price last confirmed 45 days ago
B
Retailer 11
-
HK$3,240 HKD
View
B+
Retailer 12
-
HK$3,460 HKD
View
B
Retailer 13
-
HK$3,672 HKD
View
B
Retailer 14
-
HK$3,711 HKD
View
B
Retailer 15
-
HK$3,836 HKD
View
B
Retailer 16
-
HK$4,464 HKD
View
B
Retailer 17
-
HK$5,131 HKD
View
Retailer 18
-
HK$10,058 HKD
View
Price under review
Most Expensive
NZ Jewellers
f90fb563-a66a-48c8-abe2-cffc34c3cde4 · Sep 24
HK$10,058 HKD
$1,282 USD
View
Price under review
18 more retailers have this diamond
Prices start from HK$1,553 HKDSave up to HK$3,577 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$1,553 HKD