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Cushion|Natural|GIA

3.06ct J SI2 Cushion Natural Diamond

VG • J/SI2 • GIA 6551753387

Certificate GIA 6551753387

Diamond specifications and retailer prices

From £13,875 GBP
As of November 6, 2026
Save £4,209 GBP (23%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £18,085 GBP at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 3.06ct natural cushion diamond

This 3.06ct natural cushion sits in the three to five carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 6551753387. Listed at 6 retailers as of October 31, 2026, with prices from £13,875 to £18,085, a £4,209 spread on the same certified stone. Blue Nile lists it at £18,085. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.06
Carat
J
Colour
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551753387
Dimensions10.59 × 7.56 × 5.00 mm
L/W Ratio1.40
Top View
10.59 mm7.56 mm3.06 ctJ / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551753387
Side View
Table 68.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 66.1%

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: Nov 6
Current: £18,085 GBP|Low: £13,875 GBP|High: £18,085 GBP|Avg: £15,056 GBP
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 5£13,875 GBP
Retailer 2£13,905 GBP
Retailer 4£14,365 GBP
Retailer 6£15,299 GBP
Retailer 3£16,533 GBP
Blue Nile£18,085 GBP

36 data points across 6 retailers

6 retailers£13,875 GBP to £18,085 GBP

B+
Cheapest Retailer
-
£13,875 GBP
A
Retailer 2
-
£13,905 GBP
View
B+
Retailer 3
-
£14,365 GBP
View
Final sale: no returns
Retailer 4
-
£15,299 GBP
View
Price last confirmed 26 days ago
B
Retailer 5
-
£16,533 GBP
View
Most Expensive
B
Blue Nile
30380921 · Oct 31
£18,085 GBP
$24,206 USD
View
5 more retailers have this diamond
Prices start from £13,875 GBPSave up to £4,209 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
3.06ct Cushion
£13,875 GBP