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Cushion|Natural|GIA

1.30ct I SI1 Cushion Natural Diamond

ID • I/SI1 • GIA 2557251710

Certificate GIA 2557251710

Diamond specifications and retailer prices

From HK$19,780 HKD
$2,521 USD
As of November 2, 2026
Save HK$17,776 HKD (47%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$37,556 HKD at MOH London · As of November 2, 2026
View at MOH London

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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557251710. Listed at 8 retailers as of November 2, 2026, with prices from HK$19,780 to HK$37,556, a HK$17,776 spread on the same certified stone. MOH London lists it at HK$37,556. 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
I
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557251710
Dimensions7.03 × 5.46 × 3.81 mm
L/W Ratio1.29
Culet sizeNone
Key to symbols
Crystal, Cloud, Needle, Natural
Top View
7.03 mm5.46 mm1.30 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557251710
Side View
Table 55.0%CrownGirdlePavilionCulet: NoneDepth 69.8%

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 2
Current: HK$37,556 HKD|Low: HK$18,140 HKD|High: HK$38,015 HKD|Avg: HK$24,834 HKD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 7HK$19,780 HKD
Retailer 6HK$20,635 HKD
Retailer 5HK$21,436 HKD
Retailer 3HK$22,917 HKD
Retailer 8HK$24,021 HKD
Retailer 2HK$25,086 HKD
Retailer 4HK$26,352 HKD
MOH LondonHK$37,556 HKD

45 data points across 8 retailers

8 retailersHK$19,780 HKD to HK$37,556 HKD

A
Cheapest Retailer
-
HK$19,780 HKD
$2,521 USD
Final sale: no returns
A
Retailer 2
-
HK$20,635 HKD
$2,630 USD
View
A
Retailer 3
-
HK$21,436 HKD
$2,732 USD
View
A
Retailer 4
-
HK$22,917 HKD
£2,300 GBP
View
Retailer 5
-
HK$24,021 HKD
A$4,710 AUD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
HK$25,086 HKD
€3,045 EUR
View
B+
Retailer 7
-
HK$26,352 HKD
ZAR 54,258 ZAR
View
Most Expensive
B
MOH London
AA3B9E014 · Nov 2
HK$37,556 HKD
£3,769 GBP
View
7 more retailers have this diamond
Prices start from HK$19,780 HKDSave up to HK$17,776 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$19,780 HKD