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Cushion|Natural|GIA

1.51ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 2235954416

Certificate GIA 2235954416

Diamond specifications and retailer prices

From HK$26,483 HKD
As of November 5, 2026
Save HK$30,840 HKD (54%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$57,322 HKD at MOH London · As of November 4, 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 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 2235954416. Listed at 10 retailers as of November 4, 2026, with prices from HK$26,483 to HK$57,322, a HK$30,840 spread on the same certified stone. MOH London lists it at HK$57,322. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle35.88°
OriginNatural
Grading LabGIA
CertificateGIA 2235954416
Dimensions7.56 × 5.91 × 4.06 mm
L/W Ratio1.28
Key to symbols
Cloud, Needle
Top View
7.56 mm5.91 mm1.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2235954416
Side View
Table 65.0%CrownGirdle: STK-VTKPavilion 35.88°Culet: NoneDepth 68.7%

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 5
Current: HK$57,322 HKD|Low: HK$26,483 HKD|High: HK$62,677 HKD|Avg: HK$38,833 HKD|-8.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5HK$26,483 HKD
Retailer 7HK$30,926 HKD
Retailer 8HK$32,306 HKD
Retailer 4HK$33,654 HKD
Retailer 2HK$33,811 HKD
Retailer 6HK$38,403 HKD
Retailer 9HK$39,516 HKD
Retailer 3HK$41,546 HKD
MOH LondonHK$57,322 HKD

34 data points across 9 retailers

10 retailersHK$26,483 HKD to HK$57,322 HKD

A
Cheapest Retailer
-
HK$26,483 HKD
A
Retailer 2
-
HK$30,926 HKD
View
Price last confirmed 3 days ago
A
Retailer 3
-
HK$32,306 HKD
View
A
Retailer 4
-
HK$33,654 HKD
View
A
Retailer 5
-
HK$33,811 HKD
View
B+
Retailer 6
-
HK$38,403 HKD
View
B+
Retailer 7
-
HK$39,516 HKD
View
Final sale: no returns
B+
Retailer 8
-
HK$39,924 HKD
View
B+
Retailer 9
-
HK$41,546 HKD
View
Most Expensive
B
MOH London
0C16BD85B · Nov 4
HK$57,322 HKD
£5,759 GBP
View
9 more retailers have this diamond
Prices start from HK$26,483 HKDSave up to HK$30,840 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$26,483 HKD