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Cushion|Natural|GIA

3.04ct J SI2 Cushion Natural Diamond

EX • J/SI2 • GIA 1182256158

Certificate GIA 1182256158

Diamond specifications and retailer prices

From £18,352 GBP
As of November 6, 2026
Save £10,218 GBP (36%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £28,570 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 3.04ct natural cushion diamond

This 3.04ct 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 1182256158. Listed at 3 retailers as of November 4, 2026, with prices from £18,352 to £28,570, a £10,218 spread on the same certified stone. MOH London lists it at £28,570. 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

3.04
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1182256158
Dimensions8.35 × 8.23 × 5.38 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
8.35 mm8.23 mm3.04 ctJ / SI2
OriginNatural
CutExcellent
PolishGood
SymmetryGood
FluorescenceNone
CertificateGIA 1182256158
Side View
Table 66.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 65.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: £28,570 GBP|Low: £18,352 GBP|High: £28,991 GBP|Avg: £23,296 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
November 6, 2026
Retailer 3£18,352 GBP
Retailer 2£22,129 GBP
MOH London£28,570 GBP

33 data points across 3 retailers

3 retailers£18,352 GBP to £28,570 GBP

B
Cheapest Retailer
-
£18,352 GBP
B
Retailer 2
-
£22,129 GBP
View
Most Expensive
C
MOH London
5F9B6A984 · Nov 4
£28,570 GBP
View
2 more retailers have this diamond
Prices start from £18,352 GBPSave up to £10,218 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
3.04ct Cushion
£18,352 GBP