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Round|Natural|GIA

0.30ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6555610620

Certificate GIA 6555610620

Diamond specifications and retailer prices

From HK$1,612 HKD
₹19,567 INR
As of October 31, 2026
Save HK$3,540 HKD (69%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$9,352 HKD at NZ Jewellers · As of October 2, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6555610620. Listed at 18 retailers as of October 31, 2026, with a 220% 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
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6555610620
Dimensions4.33 × 4.36 × 2.64 mm
L/W Ratio1.01
Star length55%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud
Top View
4.33 mm4.36 mm0.30 ctH / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555610620
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.6%

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 31
Current: HK$3,255 HKD|Low: HK$1,612 HKD|High: HK$5,570 HKD|Avg: HK$3,114 HKD|-5.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 11HK$1,612 HKD
Retailer 5HK$2,008 HKD
Retailer 9HK$2,260 HKD
Retailer 3HK$2,433 HKD
Retailer 8HK$2,621 HKD
Retailer 10HK$2,644 HKD
Retailer 7HK$2,805 HKD
Retailer 1HK$3,255 HKD
Retailer 12HK$3,301 HKD
Retailer 2HK$3,509 HKD
Retailer 13HK$3,855 HKD
Retailer 4HK$4,099 HKD
Retailer 6HK$5,151 HKD

24 data points across 13 retailers

18 retailersHK$1,612 HKD to HK$5,151 HKD

A
Cheapest Retailer
-
HK$1,612 HKD
₹19,567 INR
A
Retailer 2
-
HK$2,008 HKD
View
A
Retailer 3
-
HK$2,260 HKD
$288 USD
View
A
Retailer 4
-
HK$2,433 HKD
SGD 419 SGD
View
Retailer 5
-
HK$2,440 HKD
$311 USD
View
Price last confirmed 29 days ago
A
Retailer 6
-
HK$2,621 HKD
A$514 AUD
View
A
Retailer 7
-
HK$2,644 HKD
$337 USD
View
Retailer 8
-
HK$2,762 HKD
$352 USD
View
Price last confirmed 33 days ago
A
Retailer 9
-
HK$2,805 HKD
£282 GBP
View
B+
Retailer 10
-
HK$3,255 HKD
$415 USD
View
Retailer 11
-
HK$3,287 HKD
$419 USD
View
Price last confirmed 30 days ago
B+
Retailer 12
-
HK$3,301 HKD
$421 USD
View
B+
Retailer 13
-
HK$3,509 HKD
ZAR 7,226 ZAR
View
B+
Retailer 14
-
HK$3,855 HKD
€468 EUR
View
Retailer 15
-
HK$3,908 HKD
A$766 AUD
View
Price last confirmed 29 days ago
Retailer 16
-
HK$4,099 HKD
$523 USD
View
Price last confirmed 11 days ago
B
Retailer 17
-
HK$5,151 HKD
£517 GBP
View
Most Expensive
NZ Jewellers
b0ce9b3e-1433-4ece-be85-ea00f68548b2 · Oct 2
HK$9,352 HKD
$1,192 USD
View
Price last confirmed 30 days ago
17 more retailers have this diamond
Prices start from HK$1,612 HKDSave up to HK$3,540 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$1,612 HKD