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Cushion|Natural|GIA

3.50ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 6562026661

Certificate GIA 6562026661

Diamond specifications and retailer prices

From HK$365,160 HKD
As of November 6, 2026
Save HK$273,436 HKD (43%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$638,597 HKD at MOH London · As of November 2, 2026
View at MOH London

About this 3.5ct natural cushion diamond

This 3.5ct natural cushion sits in the three to five 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 6562026661. Listed at 13 retailers as of November 2, 2026, with prices from HK$365,160 to HK$638,597, a HK$273,436 spread on the same certified stone. MOH London lists it at HK$638,597. 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

3.50
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.49°
OriginNatural
Grading LabGIA
CertificateGIA 6562026661
Dimensions10.54 × 8.11 × 5.66 mm
L/W Ratio1.30
Culet sizeNone
Key to symbols
Feather, Cloud, Crystal, Needle
Top View
10.54 mm8.11 mm3.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6562026661
Side View
Table 67.0%Crown 35.49°Girdle: VTN-STKPavilionCulet: NoneDepth 69.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: HK$638,597 HKD|Low: HK$330,895 HKD|High: HK$642,021 HKD|Avg: HK$426,473 HKD|+10.3%
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
Retailer 15
Retailer 16
November 2, 2026
Retailer 5HK$349,391 HKD
Retailer 15HK$365,160 HKD
Retailer 3HK$370,560 HKD
Retailer 4HK$374,816 HKD
Retailer 16HK$395,945 HKD
Retailer 13HK$408,893 HKD
Retailer 10HK$412,388 HKD
Retailer 14HK$417,028 HKD
Retailer 8HK$418,164 HKD
Retailer 6HK$435,759 HKD
Retailer 7HK$435,759 HKD
Retailer 12HK$437,374 HKD
Retailer 2HK$470,432 HKD
Retailer 9HK$495,982 HKD
Retailer 11HK$530,075 HKD
MOH LondonHK$638,597 HKD

28 data points across 16 retailers

13 retailersHK$365,160 HKD to HK$638,597 HKD

Retailer 1
-
HK$349,391 HKD
Price last confirmed 19 days ago
Retailer 2
-
HK$351,547 HKD
View
Price last confirmed 34 days ago
B+
Retailer 3
-
HK$365,160 HKD
View
B
Retailer 4
-
HK$370,560 HKD
View
B
Retailer 5
-
HK$395,945 HKD
View
Retailer 6
-
HK$408,893 HKD
View
Price last confirmed 9 days ago
B
Retailer 7
-
HK$412,388 HKD
View
B
Retailer 8
-
HK$417,028 HKD
View
B
Retailer 9
-
HK$437,374 HKD
View
B
Retailer 10
-
HK$470,432 HKD
View
B
Retailer 11
-
HK$495,982 HKD
View
B
Retailer 12
-
HK$530,075 HKD
View
Most Expensive
B
MOH London
2895E7CB8 · Nov 2
HK$638,597 HKD
£64,158 GBP
View
12 more retailers have this diamond
Prices start from HK$365,160 HKDSave up to HK$273,436 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.

B+
3.50ct Cushion
HK$365,160 HKD