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Cushion|Natural|GIA

3.00ct G SI2 Cushion Natural Diamond

EX • G/SI2 • GIA 1558991521

Certificate GIA 1558991521

Diamond specifications and retailer prices

From £19,231 GBP
As of November 1, 2026
Save £15,209 GBP (44%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £34,440 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 3ct natural cushion diamond

This 3ct natural cushion sits in the three to five carat band, graded G 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 1558991521. Listed at 11 retailers as of November 1, 2026, with prices from £19,231 to £34,440, a £15,209 spread on the same certified stone. MOH London lists it at £34,440. 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
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1558991521
Dimensions9.64 × 7.41 × 4.91 mm
L/W Ratio1.30
Culet sizeNone
Top View
9.64 mm7.41 mm3.00 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1558991521
Side View
Table 60.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 66.3%

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 1
Current: £34,440 GBP|Low: £19,231 GBP|High: £34,948 GBP|Avg: £23,560 GBP|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 9£19,231 GBP
Retailer 3£19,841 GBP
Retailer 11£20,131 GBP
Retailer 4£22,274 GBP
Retailer 10£22,295 GBP
Retailer 7£22,449 GBP
Retailer 5£23,190 GBP
Retailer 8£23,190 GBP
Retailer 6£23,960 GBP
Retailer 2£24,256 GBP
MOH London£34,440 GBP

24 data points across 11 retailers

11 retailers£19,231 GBP to £34,440 GBP

A
Cheapest Retailer
-
£19,231 GBP
A
Retailer 2
-
£19,841 GBP
View
A
Retailer 3
-
£20,131 GBP
View
A
Retailer 4
-
£22,274 GBP
View
A
Retailer 5
-
£22,295 GBP
View
A
Retailer 6
-
£22,449 GBP
View
B+
Retailer 7
-
£23,190 GBP
View
B+
Retailer 8
-
£23,190 GBP
View
B+
Retailer 9
-
£23,960 GBP
View
A
Retailer 10
-
£24,256 GBP
View
Most Expensive
B
MOH London
682D38A84 · Nov 4
£34,440 GBP
View
10 more retailers have this diamond
Prices start from £19,231 GBPSave up to £15,209 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
3.00ct Cushion
£19,231 GBP