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Round|Natural|GIA

1.30ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 1242019707

Certificate GIA 1242019707

Diamond specifications and retailer prices

From HK$44,242 HKD
As of November 4, 2026
Save HK$40,606 HKD (48%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$84,848 HKD at NZ Jewellers · As of November 5, 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 1242019707. Listed at 13 retailers as of November 4, 2026, with prices from HK$44,242 to HK$84,848, a HK$40,606 spread on the same certified stone. NZ Jewellers lists it at HK$84,848. 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 1242019707
Dimensions6.93 × 6.88 × 4.34 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.93 mm6.88 mm1.30 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1242019707
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.9%

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$84,848 HKD|Low: HK$33,803 HKD|High: HK$84,848 HKD|Avg: HK$50,057 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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 6, 2026
Retailer 11HK$33,803 HKD
Retailer 7HK$35,887 HKD
Retailer 9HK$39,602 HKD
Retailer 8HK$41,311 HKD
Retailer 12HK$42,620 HKD
Retailer 14HK$43,944 HKD
Retailer 4HK$44,242 HKD
Retailer 10HK$46,006 HKD
Retailer 13HK$46,460 HKD
Retailer 17HK$47,996 HKD
Retailer 15HK$48,278 HKD
Retailer 2HK$49,760 HKD
Retailer 21HK$50,152 HKD
Retailer 3HK$50,731 HKD
Retailer 5HK$50,731 HKD
Retailer 6HK$50,731 HKD
Retailer 19HK$55,073 HKD
Retailer 18HK$59,995 HKD
Retailer 16HK$63,444 HKD
Retailer 20HK$74,542 HKD
NZ JewellersHK$84,848 HKD

32 data points across 21 retailers

13 retailersHK$44,242 HKD to HK$84,848 HKD

B+
Cheapest Retailer
-
HK$44,242 HKD
B+
Retailer 2
-
HK$46,460 HKD
View
B+
Retailer 3
-
HK$47,996 HKD
View
Final sale: no returns
B+
Retailer 4
-
HK$48,278 HKD
View
B+
Retailer 5
-
HK$49,760 HKD
View
Retailer 6
-
HK$50,152 HKD
View
Price last confirmed 28 days ago
B+
Retailer 7
-
HK$50,731 HKD
View
B+
Retailer 8
-
HK$50,731 HKD
View
B+
Retailer 9
-
HK$55,073 HKD
View
B
Retailer 10
-
HK$59,995 HKD
View
B
Retailer 11
-
HK$63,444 HKD
View
B
Retailer 12
-
HK$74,542 HKD
View
Most Expensive
B
NZ Jewellers
171896f2-cdac-4390-9bb8-3836fe18e7fe · Nov 5
HK$84,848 HKD
$10,826 USD
View
12 more retailers have this diamond
Prices start from HK$44,242 HKDSave up to HK$40,606 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$44,242 HKD