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Round|Natural|GIA

1.30ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 6555956405

Certificate GIA 6555956405

Diamond specifications and retailer prices

From HK$37,580 HKD
As of November 5, 2026
Save HK$11,223 HKD (23%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$66,900 HKD at NZ Jewellers · As of October 6, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6555956405. Listed at 12 retailers as of November 5, 2026, with a 30% 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6555956405
Dimensions6.96 × 7.01 × 4.36 mm
L/W Ratio1.01
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
6.96 mm7.01 mm1.30 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6555956405
Side View
Table 57.0%Crown 35°Girdle: MediumPavilion 41.4°Culet: NoneDepth 62.5%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: HK$66,900 HKD|Low: HK$34,046 HKD|High: HK$66,900 HKD|Avg: HK$40,677 HKD
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
November 5, 2026
Retailer 5HK$34,046 HKD
Retailer 13HK$34,884 HKD
Retailer 6HK$36,757 HKD
Retailer 10HK$37,580 HKD
Retailer 7HK$38,247 HKD
Retailer 3HK$39,728 HKD
Retailer 11HK$40,002 HKD
Retailer 12HK$40,002 HKD
Retailer 4HK$41,170 HKD
Retailer 9HK$41,711 HKD
Retailer 8HK$44,916 HKD
Retailer 14HK$46,154 HKD
Retailer 2HK$48,803 HKD
NZ JewellersHK$66,900 HKD

18 data points across 14 retailers

12 retailersHK$37,580 HKD to HK$48,803 HKD

Retailer 1
-
HK$34,884 HKD
Price last confirmed 10 days ago
B+
Retailer 2
-
HK$37,580 HKD
View
B+
Retailer 3
-
HK$38,247 HKD
View
Retailer 4
-
HK$39,728 HKD
View
Price last confirmed 43 days ago
B+
Retailer 5
-
HK$40,002 HKD
View
Retailer 6
-
HK$40,002 HKD
View
Price last confirmed 15 days ago
Retailer 7
-
HK$41,170 HKD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
HK$41,711 HKD
View
B
Retailer 9
-
HK$44,916 HKD
View
B+
Retailer 10
-
HK$46,154 HKD
View
B+
Retailer 11
-
HK$48,803 HKD
View
Most Expensive
NZ Jewellers
6ef02b67-2e4e-49dd-9911-874591fbb2b6 · Oct 6
HK$66,900 HKD
$8,536 USD
View
Price last confirmed 31 days ago
11 more retailers have this diamond
Prices start from HK$37,580 HKDSave up to HK$11,223 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$37,580 HKD