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Cushion|Natural|GIA

3.00ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 6542085909

Certificate GIA 6542085909

Diamond specifications and retailer prices

From £10,486 GBP
As of November 6, 2026
Save £3,421 GBP (25%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £13,907 GBP at GemTrove · As of November 6, 2026
View at GemTrove

About this 3ct natural cushion diamond

This 3ct 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 6542085909. Listed at 8 retailers as of November 6, 2026, with prices from £10,486 to £13,907, a £3,421 spread on the same certified stone. GemTrove lists it at £13,907. 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

3.00
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6542085909
Dimensions8.22 × 7.84 × 5.32 mm
L/W Ratio1.05
Top View
8.22 mm7.84 mm3.00 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542085909
Side View
Table 62.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £10,486 GBP|Low: £10,486 GBP|High: £13,655 GBP|Avg: £11,846 GBP|-1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 1£10,486 GBP
Retailer 6£10,777 GBP
Retailer 2£10,809 GBP
Retailer 3£11,081 GBP
Retailer 4£11,308 GBP
Retailer 5£12,961 GBP

45 data points across 6 retailers

8 retailers£10,486 GBP to £13,907 GBP

A
Cheapest Retailer
-
£10,486 GBP
A
Retailer 2
-
£10,777 GBP
View
A
Retailer 3
-
£10,809 GBP
View
A
Retailer 4
-
£11,081 GBP
View
A
Retailer 5
-
£11,308 GBP
View
A
Retailer 6
-
£12,501 GBP
View
B+
Retailer 7
-
£12,961 GBP
View
Most Expensive
B+
GemTrove
GT-N-00941316-98 · Nov 6
£13,907 GBP
A$28,638 AUD
View
7 more retailers have this diamond
Prices start from £10,486 GBPSave up to £3,421 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
3.00ct Cushion
£10,486 GBP