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Cushion|Natural|GIA

1.51ct I SI2 Cushion Natural Diamond

EX • I/SI2 • GIA 1553333834

Certificate GIA 1553333834

Diamond specifications and retailer prices

From HK$24,204 HKD
As of November 1, 2026
Save HK$29,356 HKD (55%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$53,559 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 I 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 1553333834. Listed at 16 retailers as of November 1, 2026, with prices from HK$24,204 to HK$53,559, a HK$29,356 spread on the same certified stone. MOH London lists it at HK$53,559. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1553333834
Dimensions7.30 × 5.70 × 3.98 mm
L/W Ratio1.28
Girdle conditionVery Thick to Extremely Thick
Top View
7.30 mm5.70 mm1.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1553333834
Side View
Table 67.0%CrownGirdle: VTK-XTKPavilionCulet: NoneDepth 69.8%

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 1
Current: HK$53,559 HKD|Low: HK$24,003 HKD|High: HK$55,124 HKD|Avg: HK$32,438 HKD|-2.8%
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
November 2, 2026
Retailer 10HK$24,204 HKD
Retailer 4HK$25,108 HKD
Retailer 5HK$25,759 HKD
Retailer 13HK$26,332 HKD
Retailer 3HK$26,779 HKD
Retailer 14HK$27,493 HKD
Retailer 12HK$29,017 HKD
Retailer 6HK$30,690 HKD
Retailer 7HK$31,238 HKD
Retailer 9HK$32,762 HKD
Retailer 8HK$36,233 HKD
Retailer 11HK$36,241 HKD
Retailer 2HK$36,406 HKD
MOH LondonHK$53,559 HKD

34 data points across 14 retailers

16 retailersHK$24,204 HKD to HK$53,559 HKD

A
Cheapest Retailer
-
HK$24,204 HKD
A
Retailer 2
-
HK$25,108 HKD
$3,200 USD
View
A
Retailer 3
-
HK$25,759 HKD
$3,283 USD
View
A
Retailer 4
-
HK$26,332 HKD
$3,356 USD
View
A
Retailer 5
-
HK$26,779 HKD
$3,413 USD
View
Final sale: no returns
A
Retailer 6
-
HK$27,493 HKD
$3,504 USD
View
A
Retailer 7
-
HK$29,017 HKD
$3,698 USD
View
A
Retailer 8
-
HK$30,690 HKD
$3,912 USD
View
A
Retailer 9
-
HK$31,238 HKD
£3,135 GBP
View
A
Retailer 10
-
HK$32,616 HKD
$4,157 USD
View
A
Retailer 11
-
HK$32,762 HKD
£3,288 GBP
View
B+
Retailer 12
-
HK$36,233 HKD
€4,398 EUR
View
B+
Retailer 13
-
HK$36,406 HKD
$4,640 USD
View
B+
Retailer 14
-
HK$40,172 HKD
$5,120 USD
View
B+
Retailer 15
-
HK$41,506 HKD
$5,290 USD
View
Most Expensive
B
MOH London
711C6122D · Nov 1
HK$53,559 HKD
£5,375 GBP
View
15 more retailers have this diamond
Prices start from HK$24,204 HKDSave up to HK$29,356 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$24,204 HKD