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Round|Natural|GIA

1.30ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6421958848

Certificate GIA 6421958848

Diamond specifications and retailer prices

From HK$34,963 HKD
As of November 7, 2026
Save HK$39,046 HKD (53%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$74,009 HKD at NZ Jewellers · As of October 20, 2026
View at NZ Jewellers

About this 1.3ct natural round diamond

This 1.3ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6421958848. Listed at 23 retailers as of November 7, 2026, with a 112% 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

1.30
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceVery Strong
Crown angle33.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6421958848
Dimensions7.03 × 7.00 × 4.29 mm
L/W Ratio1.00
Top View
7.03 mm7.00 mm1.30 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceVery Strong
CertificateGIA 6421958848
Side View
Table 57.0%Crown 33.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 7
Current: HK$49,752 HKD|Low: HK$33,912 HKD|High: HK$71,320 HKD|Avg: HK$46,777 HKD|+2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 6HK$35,229 HKD
Retailer 8HK$36,060 HKD
Retailer 9HK$37,000 HKD
Retailer 2HK$38,756 HKD
Retailer 7HK$40,088 HKD
Retailer 4HK$42,463 HKD
Retailer 5HK$48,318 HKD
Retailer 1HK$49,752 HKD
Retailer 3HK$70,098 HKD

41 data points across 9 retailers

23 retailersHK$34,963 HKD to HK$74,009 HKD

B+
Cheapest Retailer
-
HK$34,963 HKD
B+
Retailer 2
-
HK$35,229 HKD
View
B+
Retailer 3
-
HK$36,060 HKD
View
B+
Retailer 4
-
HK$37,000 HKD
View
Final sale: no returns
B+
Retailer 5
-
HK$38,756 HKD
View
Retailer 6
-
HK$40,088 HKD
View
Price last confirmed 51 days ago
B+
Retailer 7
-
HK$40,088 HKD
View
Retailer 8
-
HK$40,088 HKD
View
Price last confirmed 30 days ago
Retailer 9
-
HK$40,088 HKD
View
Price last confirmed 39 days ago
Retailer 10
-
HK$40,088 HKD
View
Price last confirmed 16 days ago
B+
Retailer 11
-
HK$42,463 HKD
View
Retailer 12
-
HK$46,256 HKD
View
Price last confirmed 29 days ago
Retailer 13
-
HK$46,256 HKD
View
Price last confirmed 46 days ago
Retailer 14
-
HK$46,256 HKD
View
Price last confirmed 17 days ago
B+
Retailer 15
-
HK$46,256 HKD
View
B+
Retailer 16
-
HK$48,318 HKD
View
Retailer 17
-
HK$48,819 HKD
View
Price last confirmed 23 days ago
B+
Retailer 18
-
HK$49,752 HKD
View
B
Retailer 19
-
HK$70,098 HKD
View
B
Retailer 20
-
HK$74,009 HKD
View
Retailer 21
-
HK$74,009 HKD
View
Price last confirmed 49 days ago
Retailer 22
-
HK$74,009 HKD
View
Price last confirmed 42 days ago
Most Expensive
NZ Jewellers
d35773a2-c96c-47b8-9da4-5526e54ccbe6 · Oct 20
HK$74,009 HKD
$9,443 USD
View
Price last confirmed 18 days ago
22 more retailers have this diamond
Prices start from HK$34,963 HKDSave up to HK$39,046 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.

B+
1.30ct Round
HK$34,963 HKD