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Cushion|Natural|GIA

1.30ct F SI2 Cushion Natural Diamond

ID • F/SI2 • GIA 2557836902

Certificate GIA 2557836902

Diamond specifications and retailer prices

From HK$16,671 HKD
As of November 1, 2026
Save HK$31,854 HKD (66%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$48,525 HKD at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.3ct natural cushion diamond

This 1.3ct natural cushion 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 stated by the retailer rather than the lab and certified by GIA 2557836902. Listed at 13 retailers as of October 28, 2026, with prices from HK$16,671 to HK$48,525, a HK$31,854 spread on the same certified stone. Queensmith lists it at HK$48,525. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557836902
Dimensions7.56 × 5.49 × 3.72 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle, Indented Natural
Top View
7.56 mm5.49 mm1.30 ctF / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2557836902
Side View
Table 65.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 67.7%

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 1
Current: HK$48,525 HKD|Low: HK$16,570 HKD|High: HK$49,422 HKD|Avg: HK$25,844 HKD|+1.1%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 6HK$16,671 HKD
Retailer 3HK$17,557 HKD
Retailer 2HK$17,604 HKD
Retailer 9HK$22,203 HKD
Retailer 11HK$23,241 HKD
Retailer 8HK$23,320 HKD
Retailer 4HK$23,740 HKD
Retailer 10HK$24,165 HKD
Retailer 7HK$25,999 HKD
Retailer 5HK$38,910 HKD
QueensmithHK$48,525 HKD

31 data points across 11 retailers

13 retailersHK$16,671 HKD to HK$48,525 HKD

A
Cheapest Retailer
-
HK$16,671 HKD
A
Retailer 2
-
HK$17,557 HKD
SGD 3,024 SGD
View
A
Retailer 3
-
HK$17,604 HKD
₹213,689 INR
View
A
Retailer 4
-
HK$21,670 HKD
$2,762 USD
View
A
Retailer 5
-
HK$22,203 HKD
$2,830 USD
View
A
Retailer 6
-
HK$23,241 HKD
SGD 4,003 SGD
View
A
Retailer 7
-
HK$23,320 HKD
$2,972 USD
View
A
Retailer 8
-
HK$23,740 HKD
£2,383 GBP
View
A
Retailer 9
-
HK$24,009 HKD
A$4,708 AUD
View
A
Retailer 10
-
HK$24,165 HKD
$3,080 USD
View
A
Retailer 11
-
HK$25,999 HKD
€3,156 EUR
View
B
Retailer 12
-
HK$38,910 HKD
£3,905 GBP
View
Most Expensive
B
Queensmith
2557836902 · Oct 28
HK$48,525 HKD
£4,870 GBP
View
12 more retailers have this diamond
Prices start from HK$16,671 HKDSave up to HK$31,854 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 Cushion
HK$16,671 HKD