Cushion|Natural|GIA

1.51ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 2225586805

Certificate GIA 2225586805

Diamond specifications and retailer prices

From HK$78,124 HKD
$9,957 USD
As of November 1, 2026
Save HK$53,498 HKD (41%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$131,622 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2225586805. Listed at 14 retailers as of November 1, 2026, with prices from HK$78,124 to HK$131,622, a HK$53,498 spread on the same certified stone. MOH London lists it at HK$131,622. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2225586805
Dimensions7.18 × 6.08 × 4.16 mm
L/W Ratio1.18
Culet sizeNone
Top View
7.18 mm6.08 mm1.51 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2225586805
Side View
Table 58.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 68.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 1
Current: HK$131,622 HKD|Low: HK$74,852 HKD|High: HK$133,206 HKD|Avg: HK$100,503 HKD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 6HK$74,852 HKD
Retailer 7HK$84,283 HKD
Retailer 3HK$91,094 HKD
Retailer 5HK$91,585 HKD
Retailer 2HK$101,431 HKD
Retailer 4HK$123,816 HKD
MOH LondonHK$131,622 HKD

44 data points across 7 retailers

14 retailersHK$78,124 HKD to HK$131,622 HKD

Retailer 1
-
HK$74,852 HKD
$9,540 USD
Price last confirmed 12 days ago
B
Retailer 2
-
HK$78,124 HKD
$9,957 USD
View
B
Retailer 3
-
HK$78,194 HKD
$9,966 USD
View
B
Retailer 4
-
HK$80,576 HKD
CA$14,263 CAD
View
B
Retailer 5
-
HK$83,208 HKD
$10,605 USD
View
B
Retailer 6
-
HK$84,283 HKD
$10,742 USD
View
B
Retailer 7
-
HK$84,981 HKD
$10,831 USD
View
B
Retailer 8
-
HK$91,094 HKD
£9,142 GBP
View
Retailer 9
-
HK$91,585 HKD
A$17,958 AUD
View
Price last confirmed 9 days ago
B
Retailer 10
-
HK$97,401 HKD
$12,414 USD
View
B
Retailer 11
-
HK$101,431 HKD
€12,312 EUR
View
Retailer 12
-
HK$110,881 HKD
$14,132 USD
View
Price last confirmed 10 days ago
B
Retailer 13
-
HK$123,816 HKD
ZAR 254,937 ZAR
View
Most Expensive
B
MOH London
7E276AAAE · Nov 1
HK$131,622 HKD
£13,209 GBP
View
13 more retailers have this diamond
Prices start from HK$78,124 HKDSave up to HK$53,498 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.

B
1.51ct Cushion
HK$78,124 HKD