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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 £25,917 GBP
HK$271,300 HKD
As of October 30, 2026
Save £21,585 GBP (45%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £47,502 GBP 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 £25,917 to £47,502, a £21,585 spread on the same certified stone. MOH London lists it at £47,502. 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: £47,502 GBP|Low: £25,917 GBP|High: £47,818 GBP|Avg: £34,053 GBP|-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£25,917 GBP
Retailer 2£27,283 GBP
Retailer 4£28,674 GBP
Retailer 3£29,858 GBP
Retailer 6£30,492 GBP
Retailer 12£30,611 GBP
Retailer 9£33,395 GBP
Retailer 7£36,650 GBP
Retailer 11£37,190 GBP
Retailer 5£38,526 GBP
Retailer 8£42,695 GBP
MOH London£47,502 GBP

22 data points across 12 retailers

12 retailers£25,917 GBP to £47,502 GBP

A
Cheapest Retailer
-
£25,917 GBP
HK$271,300 HKD
A
Retailer 2
-
£27,283 GBP
₹3,481,483 INR
View
A
Retailer 3
-
£28,674 GBP
$38,420 USD
View
A
Retailer 4
-
£29,858 GBP
$40,007 USD
View
A
Retailer 5
-
£30,492 GBP
View
A
Retailer 6
-
£30,611 GBP
$41,016 USD
View
Final sale: no returns
A
Retailer 7
-
£33,395 GBP
$44,745 USD
View
B+
Retailer 8
-
£36,650 GBP
€46,769 EUR
View
B+
Retailer 9
-
£37,190 GBP
$49,831 USD
View
B+
Retailer 10
-
£38,526 GBP
View
B+
Retailer 11
-
£42,695 GBP
View
Most Expensive
B+
MOH London
7E0A73BF3 · Oct 29
£47,502 GBP
View
11 more retailers have this diamond
Prices start from £25,917 GBPSave up to £21,585 GBP

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
£25,917 GBP