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Cushion|Natural|GIA

3.02ct J SI2 Cushion Natural Diamond

EX • J/SI2 • GIA 6511723424

Certificate GIA 6511723424

Diamond specifications and retailer prices

From £15,199 GBP
As of November 5, 2026
Save £2,941 GBP (16%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £18,140 GBP at Jared · As of November 6, 2026
View at Jared

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 6511723424. Listed at 7 retailers as of November 5, 2026, with prices from £15,199 to £18,140, a £2,941 spread on the same certified stone. Jared lists it at £18,140. 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
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6511723424
Dimensions8.95 × 7.47 × 5.18 mm
L/W Ratio1.20
Top View
8.95 mm7.47 mm3.02 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6511723424
Side View
Table 63.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 69.4%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: £17,647 GBP|Low: £14,395 GBP|High: £17,997 GBP|Avg: £16,800 GBP|+0.5%
Retailer 1
Retailer 2
Retailer 3
November 6, 2026
Retailer 2£15,835 GBP
Retailer 3£17,032 GBP
Retailer 1£17,647 GBP

34 data points across 3 retailers

7 retailers£15,199 GBP to £18,140 GBP

B+
Cheapest Retailer
-
£15,199 GBP
B+
Retailer 2
-
£15,835 GBP
View
Final sale: no returns
B
Retailer 3
-
£17,032 GBP
View
B
Retailer 4
-
£17,557 GBP
View
B
Retailer 5
-
£17,557 GBP
View
B
Retailer 6
-
£17,647 GBP
View
Most Expensive
B
Jared
154852563 · Nov 6
£18,140 GBP
$24,280 USD
View
6 more retailers have this diamond
Prices start from £15,199 GBPSave up to £2,941 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
£15,199 GBP