CaratHunter
Plans
Cushion|Natural|GIA

3.03ct J SI1 Cushion Natural Diamond

ID • J/SI1 • GIA 1493885656

Certificate GIA 1493885656

Diamond specifications and retailer prices

From £12,340 GBP
As of November 5, 2026
Save £7,944 GBP (39%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £20,284 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 3.03ct natural cushion diamond

This 3.03ct 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 1493885656. Listed at 14 retailers as of November 4, 2026, with prices from £12,340 to £20,284, a £7,944 spread on the same certified stone. MOH London lists it at £20,284. 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

3.03
Carat
J
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1493885656
Dimensions8.06 × 7.97 × 5.39 mm
L/W Ratio1.01
Girdle conditionFaceted
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
8.06 mm7.97 mm3.03 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1493885656
Side View
Table 60.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 67.7%

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 5
Current: £20,284 GBP|Low: £12,340 GBP|High: £22,038 GBP|Avg: £15,086 GBP|-7.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 6, 2026
Retailer 10£12,340 GBP
Retailer 5£12,417 GBP
Retailer 8£13,551 GBP
Retailer 2£13,720 GBP
Retailer 11£13,720 GBP
Retailer 12£13,720 GBP
Retailer 6£14,094 GBP
Retailer 4£14,546 GBP
Retailer 14£14,546 GBP
Retailer 3£15,032 GBP
Retailer 13£15,302 GBP
Retailer 7£15,308 GBP
Retailer 9£15,788 GBP
MOH London£20,284 GBP

37 data points across 14 retailers

14 retailers£12,340 GBP to £20,284 GBP

A
Cheapest Retailer
-
£12,340 GBP
A
Retailer 2
-
£12,417 GBP
View
A
Retailer 3
-
£13,551 GBP
View
B+
Retailer 4
-
£13,720 GBP
View
B+
Retailer 5
-
£13,720 GBP
View
Retailer 6
-
£13,720 GBP
View
B+
Retailer 7
-
£14,094 GBP
View
B+
Retailer 8
-
£14,546 GBP
View
B+
Retailer 9
-
£14,546 GBP
View
B+
Retailer 10
-
£15,032 GBP
View
B+
Retailer 11
-
£15,302 GBP
View
B+
Retailer 12
-
£15,308 GBP
View
B+
Retailer 13
-
£15,788 GBP
View
Most Expensive
B
MOH London
CD6919145 · Nov 4
£20,284 GBP
View
13 more retailers have this diamond
Prices start from £12,340 GBPSave up to £7,944 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
3.03ct Cushion
£12,340 GBP