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Cushion|Natural|GIA

3.50ct D SI2 Cushion Natural Diamond

ID • D/SI2 • GIA 5566526350

Certificate GIA 5566526350

Diamond specifications and retailer prices

From $49,437 AUD
HK$271,300 HKD
As of October 30, 2026
Save $41,172 AUD (45%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $90,608 AUD at MOH London · As of October 29, 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5566526350. Listed at 12 retailers as of October 29, 2026, with prices from $49,437 to $90,608, a $41,172 spread on the same certified stone. MOH London lists it at $90,608. 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
D
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5566526350
Dimensions10.20 × 7.62 × 5.06 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Knot
Top View
10.20 mm7.62 mm3.50 ctD / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5566526350
Side View
Table 63.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 66.4%

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: Oct 30
Current: $90,608 AUD|Low: $49,437 AUD|High: $91,212 AUD|Avg: $64,955 AUD|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 10$49,437 AUD
Retailer 2$52,041 AUD
Retailer 4$54,695 AUD
Retailer 3$56,954 AUD
Retailer 6$58,163 AUD
Retailer 12$58,390 AUD
Retailer 9$63,699 AUD
Retailer 7$69,909 AUD
Retailer 11$70,939 AUD
Retailer 5$73,487 AUD
Retailer 8$81,440 AUD
MOH London$90,608 AUD

22 data points across 12 retailers

12 retailers$49,437 AUD to $90,608 AUD

A
Cheapest Retailer
-
$49,437 AUD
HK$271,300 HKD
A
Retailer 2
-
$52,041 AUD
₹3,481,483 INR
View
A
Retailer 3
-
$54,695 AUD
$38,420 USD
View
A
Retailer 4
-
$56,954 AUD
$40,007 USD
View
A
Retailer 5
-
$58,163 AUD
£32,170 GBP
View
A
Retailer 6
-
$58,390 AUD
$41,016 USD
View
Final sale: no returns
A
Retailer 7
-
$63,699 AUD
$44,745 USD
View
B+
Retailer 8
-
$69,909 AUD
€46,769 EUR
View
B+
Retailer 9
-
$70,939 AUD
$49,831 USD
View
B+
Retailer 10
-
$73,487 AUD
£40,646 GBP
View
B+
Retailer 11
-
$81,440 AUD
£45,045 GBP
View
Most Expensive
B+
MOH London
7E0A73BF3 · Oct 29
$90,608 AUD
£50,116 GBP
View
11 more retailers have this diamond
Prices start from $49,437 AUDSave up to $41,172 AUD

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
3.50ct Cushion
$49,437 AUD