Cushion|Natural|GIA

3.06ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 2557244143

Certificate GIA 2557244143

Diamond specifications and retailer prices

From £14,994 GBP
As of November 6, 2026
Save £9,415 GBP (39%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £24,410 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 3.06ct natural cushion diamond

This 3.06ct natural cushion sits in the three to five carat band, graded I 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 2557244143. Listed at 7 retailers as of November 4, 2026, with prices from £14,994 to £24,410, a £9,415 spread on the same certified stone. MOH London lists it at £24,410. 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

3.06
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557244143
Dimensions9.27 × 7.40 × 5.07 mm
L/W Ratio1.25
Key to symbols
Cloud, Crystal, Needle
Top View
9.27 mm7.40 mm3.06 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557244143
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.5%

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: £24,410 GBP|Low: £14,994 GBP|High: £27,650 GBP|Avg: £18,983 GBP|-10.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 6£14,994 GBP
Retailer 7£16,131 GBP
Retailer 5£16,578 GBP
Retailer 4£17,054 GBP
Retailer 2£17,315 GBP
Retailer 3£18,907 GBP
MOH London£24,410 GBP

45 data points across 7 retailers

7 retailers£14,994 GBP to £24,410 GBP

A
Cheapest Retailer
-
£14,994 GBP
A
Retailer 2
-
£16,131 GBP
View
A
Retailer 3
-
£16,578 GBP
View
Final sale: no returns
A
Retailer 4
-
£17,054 GBP
View
A
Retailer 5
-
£17,315 GBP
View
A
Retailer 6
-
£18,907 GBP
View
Most Expensive
B+
MOH London
A4876C3E3 · Nov 4
£24,410 GBP
View
6 more retailers have this diamond
Prices start from £14,994 GBPSave up to £9,415 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
£14,994 GBP