Round|Natural|GIA

1.30ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 5242060366

Certificate GIA 5242060366

Diamond specifications and retailer prices

From HK$37,453 HKD
As of November 4, 2026
Save HK$12,529 HKD (25%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$76,216 HKD at NZ Jewellers · As of October 27, 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 5242060366. Listed at 13 retailers as of November 4, 2026, with a 33% 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
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5242060366
Dimensions6.89 × 6.93 × 4.34 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
6.89 mm6.93 mm1.30 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5242060366
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.8%

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 4
Current: HK$76,216 HKD|Low: HK$37,453 HKD|High: HK$76,812 HKD|Avg: HK$51,458 HKD|-0.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 6HK$37,453 HKD
Retailer 4HK$40,693 HKD
Retailer 7HK$42,560 HKD
Retailer 2HK$43,007 HKD
Retailer 8HK$43,972 HKD
Retailer 11HK$45,573 HKD
Retailer 12HK$45,573 HKD
Retailer 3HK$45,636 HKD
Retailer 5HK$49,982 HKD
Retailer 9HK$51,496 HKD
Retailer 10HK$67,484 HKD
NZ JewellersHK$76,216 HKD

42 data points across 12 retailers

13 retailersHK$37,453 HKD to HK$49,982 HKD

B+
Cheapest Retailer
-
HK$37,453 HKD
Final sale: no returns
B+
Retailer 2
-
HK$38,685 HKD
View
B+
Retailer 3
-
HK$40,693 HKD
View
Retailer 4
-
HK$42,560 HKD
View
Price last confirmed 6 days ago
B+
Retailer 5
-
HK$43,007 HKD
View
Retailer 6
-
HK$43,972 HKD
View
Price last confirmed 7 days ago
Retailer 7
-
HK$45,573 HKD
View
Price last confirmed 8 days ago
Retailer 8
-
HK$45,573 HKD
View
Price last confirmed 8 days ago
Retailer 9
-
HK$45,636 HKD
View
Price last confirmed 28 days ago
B+
Retailer 10
-
HK$49,982 HKD
View
Retailer 11
-
HK$51,496 HKD
View
Price last confirmed 8 days ago
Retailer 12
-
HK$67,484 HKD
View
Price last confirmed 8 days ago
Most Expensive
NZ Jewellers
108d46e5-8af5-4abf-8dec-ca4a8a907cb3 · Oct 27
HK$76,216 HKD
$9,715 USD
View
Price last confirmed 10 days ago
12 more retailers have this diamond
Prices start from HK$37,453 HKDSave up to HK$12,529 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$37,453 HKD