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Round|Natural|GIA

1.30ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2557211440

Certificate GIA 2557211440

Diamond specifications and retailer prices

From HK$14,357 HKD
As of November 6, 2026
Save HK$19,041 HKD (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$33,397 HKD at MOH London · As of November 4, 2026
View at MOH London

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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2557211440. Listed at 13 retailers as of November 4, 2026, with prices from HK$14,357 to HK$33,397, a HK$19,041 spread on the same certified stone. MOH London lists it at HK$33,397. 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
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2557211440
Dimensions6.94 × 6.90 × 4.34 mm
L/W Ratio1.01
Top View
6.94 mm6.90 mm1.30 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2557211440
Side View
Table 58.0%Crown 36°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.7%

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$33,397 HKD|Low: HK$14,255 HKD|High: HK$41,093 HKD|Avg: HK$21,971 HKD|-2.8%
MOH London
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
November 6, 2026
Retailer 12HK$14,357 HKD
Retailer 6HK$15,118 HKD
Retailer 8HK$17,440 HKD
Retailer 13HK$17,534 HKD
Retailer 16HK$17,534 HKD
Retailer 3HK$17,644 HKD
Retailer 2HK$18,287 HKD
Retailer 9HK$19,982 HKD
Retailer 4HK$20,037 HKD
Retailer 11HK$20,099 HKD
Retailer 15HK$21,308 HKD
Retailer 10HK$23,332 HKD
Retailer 5HK$23,865 HKD
Retailer 14HK$29,286 HKD
MOH LondonHK$33,397 HKD
Retailer 7HK$36,872 HKD

30 data points across 16 retailers

13 retailersHK$14,357 HKD to HK$33,397 HKD

A
Cheapest Retailer
-
HK$14,357 HKD
Retailer 2
-
HK$15,118 HKD
View
Price last confirmed 29 days ago
A
Retailer 3
-
HK$17,534 HKD
View
A
Retailer 4
-
HK$17,534 HKD
View
A
Retailer 5
-
HK$17,644 HKD
View
Final sale: no returns
A
Retailer 6
-
HK$18,287 HKD
View
A
Retailer 7
-
HK$19,982 HKD
View
B+
Retailer 8
-
HK$20,037 HKD
View
A
Retailer 9
-
HK$20,099 HKD
View
B+
Retailer 10
-
HK$21,308 HKD
View
B+
Retailer 11
-
HK$23,332 HKD
View
B+
Retailer 12
-
HK$29,286 HKD
View
Most Expensive
B
MOH London
488879128 · Nov 4
HK$33,397 HKD
£3,352 GBP
View
12 more retailers have this diamond
Prices start from HK$14,357 HKDSave up to HK$19,041 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$14,357 HKD