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Cushion|Natural|GIA

3.02ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 6552488371

Certificate GIA 6552488371

Diamond specifications and retailer prices

From £16,803 GBP
As of November 6, 2026
Save £5,891 GBP (26%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £22,693 GBP at DreamStone · As of November 4, 2026
View at DreamStone

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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552488371. Listed at 5 retailers as of November 4, 2026, with prices from £16,803 to £22,693, a £5,891 spread on the same certified stone. DreamStone lists it at £22,693. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552488371
Dimensions10.45 × 7.86 × 5.08 mm
L/W Ratio1.33
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
10.45 mm7.86 mm3.02 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552488371
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 64.7%

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: £22,693 GBP|Low: £16,803 GBP|High: £23,411 GBP|Avg: £19,781 GBP|-3.1%
DreamStone
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 3£16,803 GBP
Retailer 4£18,618 GBP
Retailer 7£18,628 GBP
Retailer 6£18,682 GBP
Retailer 5£19,092 GBP
Retailer 8£20,223 GBP
Retailer 2£21,275 GBP
DreamStone£22,693 GBP

5 data points across 8 retailers

5 retailers£16,803 GBP to £22,693 GBP

B+
Cheapest Retailer
-
£16,803 GBP
B
Retailer 2
-
£18,618 GBP
View
B+
Retailer 3
-
£19,092 GBP
View
Final sale: no returns
B
Retailer 4
-
£21,275 GBP
View
Most Expensive
B
DreamStone
6a4b5375580d63ebdb1b904b · Nov 4
£22,693 GBP
$30,375 USD
View
4 more retailers have this diamond
Prices start from £16,803 GBPSave up to £5,891 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
£16,803 GBP