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Cushion|Natural|IGI

1.30ct E SI2 Cushion Natural Diamond

EX • E/SI2 • IGI 174

Certificate IGI 174

Diamond specifications and retailer prices

From HK$11,762 HKD
$1,499 USD
As of October 28, 2026
Save HK$9,303 HKD (44%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: HK$21,066 HKD at Helzberg Diamonds · As of October 30, 2026
View at Helzberg Diamonds

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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI. Listed at 2 retailers as of October 28, 2026, with prices from HK$11,762 to HK$21,066, a HK$9,303 spread on the same certified stone. Helzberg Diamonds lists it at HK$21,066. 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
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabIGI
CertificateIGI 174
Dimensions6.54 × 5.78 mm
L/W Ratio1.13
Top View
6.54 mm5.78 mm1.30 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 174
Side View
Table 61.0%CrownGirdle: THN-THKPavilionCuletDepth 69.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: HK$21,066 HKD|Low: HK$11,762 HKD|High: HK$21,952 HKD|Avg: HK$16,733 HKD|-4.0%
Helzberg Diamonds
Retailer 2
October 28, 2026
Retailer 2HK$11,762 HKD
Helzberg DiamondsHK$21,066 HKD

5 data points across 2 retailers

2 retailersHK$11,762 HKD to HK$21,066 HKD

A
Cheapest Retailer
-
HK$11,762 HKD
$1,499 USD
Most Expensive
B+
Helzberg Diamonds
ZXZNPPMNLGPI · Oct 30
HK$21,066 HKD
$2,685 USD
View
1 more retailer has this diamond
Prices start from HK$11,762 HKDSave up to HK$9,303 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$11,762 HKD