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Cushion|Natural|GIA

1.51ct H SI2 Cushion Natural Diamond

EX • H/SI2 • GIA 5563268455

Certificate GIA 5563268455

Diamond specifications and retailer prices

From HK$20,388 HKD
$2,599 USD
As of October 31, 2026
Save HK$17,668 HKD (46%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$38,057 HKD at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5563268455. Listed at 13 retailers as of October 26, 2026, with prices from HK$20,388 to HK$38,057, a HK$17,668 spread on the same certified stone. Wholesale Diamonds Direct lists it at HK$38,057. 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

1.51
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5563268455
Dimensions7.33 × 5.87 × 4.07 mm
L/W Ratio1.25
Culet sizeNone
Top View
7.33 mm5.87 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5563268455
Side View
Table 62.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 69.4%

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: Oct 31
Current: HK$24,051 HKD|Low: HK$20,388 HKD|High: HK$41,025 HKD|Avg: HK$27,014 HKD|-9.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Wholesale Diamonds Direct
November 2, 2026
Retailer 7HK$20,388 HKD
Retailer 10HK$20,767 HKD
Retailer 8HK$22,172 HKD
Retailer 6HK$22,360 HKD
Retailer 1HK$24,051 HKD
Retailer 2HK$24,559 HKD
Retailer 3HK$25,091 HKD
Retailer 11HK$26,299 HKD
Retailer 9HK$26,440 HKD
Retailer 12HK$27,053 HKD
Retailer 4HK$27,704 HKD
Retailer 5HK$31,822 HKD
Wholesale Diamonds DirectHK$38,057 HKD

29 data points across 13 retailers

13 retailersHK$20,388 HKD to HK$38,057 HKD

A
Cheapest Retailer
-
HK$20,388 HKD
$2,599 USD
A
Retailer 2
-
HK$20,767 HKD
SGD 3,577 SGD
View
A
Retailer 3
-
HK$22,172 HKD
$2,826 USD
View
A
Retailer 4
-
HK$22,360 HKD
$2,850 USD
View
A
Retailer 5
-
HK$24,051 HKD
£2,414 GBP
View
A
Retailer 6
-
HK$24,559 HKD
SGD 4,230 SGD
View
A
Retailer 7
-
HK$25,091 HKD
$3,198 USD
View
A
Retailer 8
-
HK$26,299 HKD
$3,352 USD
View
A
Retailer 9
-
HK$26,440 HKD
$3,370 USD
View
A
Retailer 10
-
HK$27,053 HKD
$3,448 USD
View
Retailer 11
-
HK$27,704 HKD
€3,363 EUR
View
Price last confirmed 8 days ago
A
Retailer 12
-
HK$31,822 HKD
$4,056 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
378293703 · Oct 26
HK$38,057 HKD
$4,851 USD
View
12 more retailers have this diamond
Prices start from HK$20,388 HKDSave up to HK$17,668 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
1.51ct Cushion
HK$20,388 HKD