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Cushion|Natural|GIA

1.51ct F SI2 Cushion Natural Diamond

EX • F/SI2 • GIA 2556417868

Certificate GIA 2556417868

Diamond specifications and retailer prices

From HK$25,409 HKD
As of November 2, 2026
Save HK$28,529 HKD (53%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$53,938 HKD at MOH London · As of November 2, 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2556417868. Listed at 13 retailers as of November 2, 2026, with prices from HK$25,409 to HK$53,938, a HK$28,529 spread on the same certified stone. MOH London lists it at HK$53,938. 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
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556417868
Dimensions6.56 × 6.51 × 4.34 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.56 mm6.51 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556417868
Side View
Table 66.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 66.7%

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: Nov 2
Current: HK$53,938 HKD|Low: HK$25,007 HKD|High: HK$56,858 HKD|Avg: HK$34,036 HKD|-3.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 5HK$25,409 HKD
Retailer 12HK$25,523 HKD
Retailer 11HK$26,842 HKD
Retailer 3HK$27,238 HKD
Retailer 9HK$28,309 HKD
Retailer 2HK$30,429 HKD
Retailer 8HK$30,450 HKD
Retailer 6HK$31,907 HKD
Retailer 10HK$32,329 HKD
Retailer 7HK$38,317 HKD
Retailer 4HK$52,781 HKD
MOH LondonHK$53,938 HKD

30 data points across 12 retailers

13 retailersHK$25,409 HKD to HK$53,938 HKD

A
Cheapest Retailer
-
HK$25,409 HKD
A
Retailer 2
-
HK$25,523 HKD
$3,253 USD
View
A
Retailer 3
-
HK$26,842 HKD
$3,421 USD
View
A
Retailer 4
-
HK$27,238 HKD
$3,472 USD
View
A
Retailer 5
-
HK$28,309 HKD
$3,608 USD
View
Final sale: no returns
A
Retailer 6
-
HK$30,429 HKD
A$5,966 AUD
View
A
Retailer 7
-
HK$30,450 HKD
$3,881 USD
View
A
Retailer 8
-
HK$31,907 HKD
£3,202 GBP
View
A
Retailer 9
-
HK$32,329 HKD
£3,244 GBP
View
A
Retailer 10
-
HK$34,415 HKD
A$6,748 AUD
View
A
Retailer 11
-
HK$38,317 HKD
€4,651 EUR
View
Retailer 12
-
HK$52,781 HKD
$6,727 USD
View
Price last confirmed 9 days ago
Most Expensive
B
MOH London
81F518F49 · Nov 2
HK$53,938 HKD
£5,413 GBP
View
12 more retailers have this diamond
Prices start from HK$25,409 HKDSave up to HK$28,529 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$25,409 HKD