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Cushion|Natural|GIA

1.51ct F SI1 Cushion Natural Diamond

ID • F/SI1 • GIA 2235655108

Certificate GIA 2235655108

Diamond specifications and retailer prices

From HK$32,464 HKD
$4,138 USD
As of November 1, 2026
Save HK$28,898 HKD (47%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$61,362 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2235655108. Listed at 13 retailers as of November 1, 2026, with prices from HK$32,464 to HK$61,362, a HK$28,898 spread on the same certified stone. MOH London lists it at HK$61,362. 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
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle36.75°
Pavilion angle32.53°
OriginNatural
Grading LabGIA
CertificateGIA 2235655108
Dimensions6.49 × 6.46 × 4.25 mm
L/W Ratio1.00
Girdle conditionThick
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
6.49 mm6.46 mm1.51 ctF / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 2235655108
Side View
Table 62.0%Crown 36.75°Girdle: STK-THKPavilion 32.53°Culet: NoneDepth 65.8%

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 1
Current: HK$61,362 HKD|Low: HK$32,464 HKD|High: HK$66,214 HKD|Avg: HK$41,831 HKD|-7.2%
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
November 3, 2026
Retailer 3HK$32,464 HKD
Retailer 12HK$33,267 HKD
Retailer 7HK$33,273 HKD
Retailer 9HK$35,825 HKD
Retailer 4HK$37,104 HKD
Retailer 13HK$37,269 HKD
Retailer 2HK$38,684 HKD
Retailer 8HK$39,623 HKD
Retailer 11HK$39,623 HKD
Retailer 10HK$40,957 HKD
Retailer 6HK$43,589 HKD
Retailer 5HK$56,300 HKD
MOH LondonHK$61,362 HKD

38 data points across 13 retailers

13 retailersHK$32,464 HKD to HK$61,362 HKD

A
Cheapest Retailer
-
HK$32,464 HKD
$4,138 USD
A
Retailer 2
-
HK$33,267 HKD
$4,240 USD
View
A
Retailer 3
-
HK$33,273 HKD
CA$5,890 CAD
View
A
Retailer 4
-
HK$35,825 HKD
$4,566 USD
View
A
Retailer 5
-
HK$37,104 HKD
$4,729 USD
View
A
Retailer 6
-
HK$37,269 HKD
$4,750 USD
View
A
Retailer 7
-
HK$38,684 HKD
£3,882 GBP
View
A
Retailer 8
-
HK$39,623 HKD
$5,050 USD
View
A
Retailer 9
-
HK$39,623 HKD
$5,050 USD
View
A
Retailer 10
-
HK$40,957 HKD
$5,220 USD
View
A
Retailer 11
-
HK$43,589 HKD
€5,291 EUR
View
Retailer 12
-
HK$56,300 HKD
$7,176 USD
View
Price last confirmed 7 days ago
Most Expensive
B+
MOH London
722B21398 · Nov 2
HK$61,362 HKD
£6,158 GBP
View
12 more retailers have this diamond
Prices start from HK$32,464 HKDSave up to HK$28,898 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$32,464 HKD