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1.30ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 1399808576

Certificate GIA 1399808576

Diamond specifications and retailer prices

From HK$34,927 HKD
As of November 6, 2026
Save HK$63,006 HKD (64%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$97,933 HKD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1399808576. Listed at 10 retailers as of November 5, 2026, with prices from HK$34,927 to HK$97,933, a HK$63,006 spread on the same certified stone. Diamond Quarter lists it at HK$97,933. 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
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1399808576
Dimensions7.02 × 6.98 × 4.30 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Culet sizeNone
Top View
7.02 mm6.98 mm1.30 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1399808576
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.6%

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: Nov 6
Current: HK$50,421 HKD|Low: HK$34,927 HKD|High: HK$51,551 HKD|Avg: HK$43,677 HKD|+1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 6HK$34,927 HKD
Retailer 7HK$35,649 HKD
Retailer 8HK$38,049 HKD
Retailer 4HK$43,839 HKD
Retailer 3HK$46,757 HKD
Retailer 5HK$46,757 HKD
Retailer 9HK$48,326 HKD
Retailer 2HK$50,296 HKD
Retailer 1HK$50,421 HKD

40 data points across 9 retailers

10 retailersHK$34,927 HKD to HK$97,933 HKD

A
Cheapest Retailer
-
HK$34,927 HKD
A
Retailer 2
-
HK$35,649 HKD
View
A
Retailer 3
-
HK$38,049 HKD
View
B+
Retailer 4
-
HK$43,839 HKD
View
B+
Retailer 5
-
HK$46,757 HKD
View
B+
Retailer 6
-
HK$46,757 HKD
View
B+
Retailer 7
-
HK$48,326 HKD
View
B+
Retailer 8
-
HK$50,296 HKD
View
B+
Retailer 9
-
HK$50,421 HKD
View
Most Expensive
B
Diamond Quarter
1.3SI2D13765D26N · Nov 5
HK$97,933 HKD
£9,829 GBP
View
9 more retailers have this diamond
Prices start from HK$34,927 HKDSave up to HK$63,006 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
1.30ct Round
HK$34,927 HKD