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Round|Natural|GIA

1.30ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 2557290174

Certificate GIA 2557290174

Diamond specifications and retailer prices

From HK$21,161 HKD
As of November 1, 2026
Save HK$25,722 HKD (55%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$49,705 HKD at NZ Jewellers · As of October 30, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2557290174. Listed at 17 retailers as of November 1, 2026, with a 122% 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2557290174
Dimensions6.97 × 6.93 × 4.35 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.97 mm6.93 mm1.30 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557290174
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.6%

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 1
Current: HK$49,705 HKD|Low: HK$21,161 HKD|High: HK$49,705 HKD|Avg: HK$30,750 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
November 2, 2026
Retailer 4HK$21,161 HKD
Retailer 8HK$21,639 HKD
Retailer 18HK$24,022 HKD
Retailer 3HK$25,135 HKD
Retailer 11HK$25,487 HKD
Retailer 16HK$25,879 HKD
Retailer 7HK$26,914 HKD
Retailer 15HK$28,042 HKD
Retailer 2HK$29,116 HKD
Retailer 12HK$29,163 HKD
Retailer 10HK$29,908 HKD
Retailer 9HK$30,683 HKD
Retailer 13HK$31,075 HKD
Retailer 5HK$32,353 HKD
Retailer 17HK$32,494 HKD
Retailer 6HK$41,601 HKD
Retailer 14HK$46,883 HKD
NZ JewellersHK$49,705 HKD

35 data points across 18 retailers

17 retailersHK$21,161 HKD to HK$46,883 HKD

A
Cheapest Retailer
-
HK$21,161 HKD
Retailer 2
-
HK$21,639 HKD
View
Price last confirmed 18 days ago
Retailer 3
-
HK$24,022 HKD
View
Price last confirmed 7 days ago
Retailer 4
-
HK$25,135 HKD
View
Price last confirmed 7 days ago
A
Retailer 5
-
HK$25,487 HKD
View
A
Retailer 6
-
HK$28,042 HKD
View
A
Retailer 7
-
HK$29,116 HKD
View
A
Retailer 8
-
HK$29,163 HKD
View
A
Retailer 9
-
HK$29,531 HKD
View
Retailer 10
-
HK$29,908 HKD
View
Price last confirmed 11 days ago
Retailer 11
-
HK$30,683 HKD
View
Price last confirmed 18 days ago
A
Retailer 12
-
HK$31,075 HKD
View
A
Retailer 13
-
HK$32,353 HKD
View
A
Retailer 14
-
HK$32,494 HKD
View
Retailer 15
-
HK$41,601 HKD
View
Price last confirmed 12 days ago
B+
Retailer 16
-
HK$46,883 HKD
View
Most Expensive
NZ Jewellers
71d4321b-7637-42c8-8781-0a3c146a2eb5 · Oct 30
HK$49,705 HKD
$6,342 USD
View
Price last confirmed 8 days ago
16 more retailers have this diamond
Prices start from HK$21,161 HKDSave up to HK$25,722 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$21,161 HKD