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Cushion|Natural|GIA

1.50ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 1553446315

Certificate GIA 1553446315

Diamond specifications and retailer prices

From HK$24,218 HKD
As of November 6, 2026
Save HK$29,442 HKD (55%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$53,659 HKD at MOH London · As of November 4, 2026
View at MOH London

About this 1.5ct natural cushion diamond

This 1.5ct natural cushion sits in the one-and-a-half to two carat band, graded H 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 1553446315. Listed at 17 retailers as of November 4, 2026, with prices from HK$24,218 to HK$53,659, a HK$29,442 spread on the same certified stone. MOH London lists it at HK$53,659. 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

1.50
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1553446315
Dimensions7.32 × 5.86 × 3.97 mm
L/W Ratio1.25
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
7.32 mm5.86 mm1.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1553446315
Side View
Table 62.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 67.8%

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 6
Current: HK$53,659 HKD|Low: HK$24,218 HKD|High: HK$56,317 HKD|Avg: HK$34,854 HKD|-4.5%
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
November 6, 2026
Retailer 2HK$24,218 HKD
Retailer 6HK$25,573 HKD
Retailer 12HK$27,470 HKD
Retailer 15HK$27,470 HKD
Retailer 3HK$28,301 HKD
Retailer 8HK$30,143 HKD
Retailer 13HK$30,644 HKD
Retailer 10HK$32,392 HKD
Retailer 4HK$33,325 HKD
Retailer 14HK$34,101 HKD
Retailer 9HK$35,370 HKD
Retailer 5HK$35,425 HKD
Retailer 7HK$35,488 HKD
Retailer 11HK$39,265 HKD
MOH LondonHK$53,659 HKD

33 data points across 15 retailers

17 retailersHK$24,218 HKD to HK$53,659 HKD

A
Cheapest Retailer
-
HK$24,218 HKD
A
Retailer 2
-
HK$25,573 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$27,470 HKD
View
A
Retailer 4
-
HK$27,470 HKD
View
A
Retailer 5
-
HK$28,301 HKD
View
A
Retailer 6
-
HK$30,143 HKD
View
A
Retailer 7
-
HK$30,644 HKD
View
A
Retailer 8
-
HK$30,934 HKD
View
A
Retailer 9
-
HK$32,392 HKD
View
Retailer 10
-
HK$33,270 HKD
View
Price last confirmed 22 days ago
A
Retailer 11
-
HK$33,325 HKD
View
A
Retailer 12
-
HK$34,101 HKD
View
A
Retailer 13
-
HK$35,370 HKD
View
B+
Retailer 14
-
HK$35,425 HKD
View
Retailer 15
-
HK$35,488 HKD
View
Price last confirmed 29 days ago
B+
Retailer 16
-
HK$39,265 HKD
View
Most Expensive
B+
MOH London
490120D5A · Nov 4
HK$53,659 HKD
£5,391 GBP
View
16 more retailers have this diamond
Prices start from HK$24,218 HKDSave up to HK$29,442 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
1.50ct Cushion
HK$24,218 HKD