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Cushion|Natural|GIA

1.50ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 5212917870

Certificate GIA 5212917870

Diamond specifications and retailer prices

From HK$33,542 HKD
$4,275 USD
As of November 2, 2026
Save HK$37,077 HKD (53%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: HK$70,619 HKD at MOH London · As of November 1, 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 5212917870. Listed at 24 retailers as of November 1, 2026, with prices from HK$33,542 to HK$70,619, a HK$37,077 spread on the same certified stone. MOH London lists it at HK$70,619. 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
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 5212917870
Dimensions6.22 × 6.14 × 4.53 mm
L/W Ratio1.01
Top View
6.22 mm6.14 mm1.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 5212917870
Side View
Table 63.0%CrownGirdle: ThickPavilionCulet: NoneDepth 73.8%

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$70,619 HKD|Low: HK$35,315 HKD|High: HK$71,466 HKD|Avg: HK$45,854 HKD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 3, 2026
Retailer 8HK$35,315 HKD
Retailer 6HK$35,543 HKD
Retailer 9HK$40,164 HKD
Retailer 3HK$41,775 HKD
Retailer 2HK$43,255 HKD
Retailer 7HK$44,576 HKD
Retailer 4HK$50,164 HKD
Retailer 5HK$54,499 HKD
MOH LondonHK$70,619 HKD

36 data points across 9 retailers

24 retailersHK$33,542 HKD to HK$70,619 HKD

A
Cheapest Retailer
-
HK$33,542 HKD
$4,275 USD
A
Retailer 2
-
HK$34,641 HKD
$4,415 USD
View
A
Retailer 3
-
HK$35,025 HKD
$4,464 USD
View
B+
Retailer 4
-
HK$35,315 HKD
$4,501 USD
View
Final sale: no returns
B+
Retailer 5
-
HK$35,463 HKD
$4,520 USD
View
B+
Retailer 6
-
HK$35,543 HKD
$4,530 USD
View
B+
Retailer 7
-
HK$37,662 HKD
CA$6,667 CAD
View
B+
Retailer 8
-
HK$37,724 HKD
$4,808 USD
View
B+
Retailer 9
-
HK$37,740 HKD
$4,810 USD
View
B+
Retailer 10
-
HK$40,164 HKD
$5,119 USD
View
B+
Retailer 11
-
HK$41,775 HKD
£4,192 GBP
View
B+
Retailer 12
-
HK$42,204 HKD
$5,379 USD
View
B+
Retailer 13
-
HK$42,322 HKD
$5,394 USD
View
B+
Retailer 14
-
HK$43,255 HKD
£4,341 GBP
View
Retailer 15
-
HK$44,576 HKD
A$8,740 AUD
View
Price last confirmed 16 days ago
B+
Retailer 16
-
HK$44,958 HKD
$5,730 USD
View
B+
Retailer 17
-
HK$44,958 HKD
$5,730 USD
View
B
Retailer 18
-
HK$46,449 HKD
$5,920 USD
View
Retailer 19
-
HK$48,913 HKD
$6,234 USD
View
Price last confirmed 11 days ago
B+
Retailer 20
-
HK$50,164 HKD
€6,089 EUR
View
B
Retailer 21
-
HK$51,078 HKD
$6,510 USD
View
B
Retailer 22
-
HK$54,499 HKD
ZAR 112,213 ZAR
View
Retailer 23
-
HK$64,212 HKD
$8,184 USD
View
Price last confirmed 7 days ago
Most Expensive
B
MOH London
8641C0CA0 · Nov 1
HK$70,619 HKD
£7,087 GBP
View
23 more retailers have this diamond
Prices start from HK$33,542 HKDSave up to HK$37,077 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$33,542 HKD