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Cushion|Natural|GIA

3.02ct J SI2 Cushion Natural Diamond

EX • J/SI2 • GIA 6422640355

Certificate GIA 6422640355

Diamond specifications and retailer prices

From £14,670 GBP
As of November 6, 2026
Save £5,026 GBP (26%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £19,696 GBP at Yorxs · As of November 6, 2026
View at Yorxs

About this 3.02ct natural cushion diamond

This 3.02ct natural cushion sits in the three to five carat band, graded J 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 6422640355. Listed at 6 retailers as of November 6, 2026, with prices from £14,670 to £19,696, a £5,026 spread on the same certified stone. Yorxs lists it at £19,696. 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

3.02
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6422640355
Dimensions8.53 × 8.07 × 5.58 mm
L/W Ratio1.06
Top View
8.53 mm8.07 mm3.02 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6422640355
Side View
Table 59.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.2%

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: £15,126 GBP|Low: £14,670 GBP|High: £20,700 GBP|Avg: £16,337 GBP|-7.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Yorxs
November 6, 2026
Retailer 3£14,670 GBP
Retailer 1£15,126 GBP
Retailer 4£15,455 GBP
Retailer 5£15,641 GBP
Retailer 2£16,430 GBP
Yorxs£19,696 GBP

44 data points across 6 retailers

6 retailers£14,670 GBP to £19,696 GBP

B+
Cheapest Retailer
-
£14,670 GBP
B+
Retailer 2
-
£15,126 GBP
View
B+
Retailer 3
-
£15,455 GBP
View
B+
Retailer 4
-
£15,641 GBP
View
B+
Retailer 5
-
£16,430 GBP
View
Final sale: no returns
Most Expensive
B
Yorxs
230724193 · Nov 6
£19,696 GBP
€25,107 EUR
View
5 more retailers have this diamond
Prices start from £14,670 GBPSave up to £5,026 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.

B+
3.02ct Cushion
£14,670 GBP