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Cushion|Natural|GIA

1.51ct I SI2 Cushion Natural Diamond

EX • I/SI2 • GIA 2233870089

Certificate GIA 2233870089

Diamond specifications and retailer prices

From HK$28,331 HKD
$3,611 USD
As of November 1, 2026
Save HK$28,743 HKD (50%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$57,074 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 2233870089. Listed at 12 retailers as of November 1, 2026, with prices from HK$28,331 to HK$57,074, a HK$28,743 spread on the same certified stone. MOH London lists it at HK$57,074. 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
SymmetryVery Good
FluorescenceNone
Pavilion angle35.51°
OriginNatural
Grading LabGIA
CertificateGIA 2233870089
Dimensions7.60 × 5.86 × 4.06 mm
L/W Ratio1.30
Key to symbols
Crystal, Cloud, Needle
Top View
7.60 mm5.86 mm1.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2233870089
Side View
Table 65.0%CrownGirdle: MED-ETKPavilion 35.51°Culet: NoneDepth 69.3%

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$57,074 HKD|Low: HK$28,331 HKD|High: HK$67,556 HKD|Avg: HK$42,069 HKD|-14.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 9HK$28,331 HKD
Retailer 11HK$30,284 HKD
Retailer 10HK$30,400 HKD
Retailer 2HK$34,952 HKD
Retailer 8HK$36,483 HKD
Retailer 6HK$38,758 HKD
Retailer 7HK$38,758 HKD
Retailer 5HK$40,092 HKD
Retailer 4HK$40,572 HKD
Retailer 3HK$42,725 HKD
MOH LondonHK$57,074 HKD

44 data points across 11 retailers

12 retailersHK$28,331 HKD to HK$57,074 HKD

A
Cheapest Retailer
-
HK$28,331 HKD
$3,611 USD
A
Retailer 2
-
HK$30,284 HKD
$3,860 USD
View
Final sale: no returns
A
Retailer 3
-
HK$30,400 HKD
$3,875 USD
View
A
Retailer 4
-
HK$31,467 HKD
A$6,170 AUD
View
A
Retailer 5
-
HK$34,952 HKD
£3,508 GBP
View
B+
Retailer 6
-
HK$36,483 HKD
$4,650 USD
View
B+
Retailer 7
-
HK$38,758 HKD
$4,940 USD
View
B+
Retailer 8
-
HK$38,758 HKD
$4,940 USD
View
B+
Retailer 9
-
HK$40,092 HKD
$5,110 USD
View
B+
Retailer 10
-
HK$40,572 HKD
€4,925 EUR
View
B+
Retailer 11
-
HK$42,725 HKD
A$8,378 AUD
View
Most Expensive
B
MOH London
8B5F20B67 · Nov 1
HK$57,074 HKD
£5,728 GBP
View
11 more retailers have this diamond
Prices start from HK$28,331 HKDSave up to HK$28,743 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$28,331 HKD