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Cushion|Natural|GIA

1.51ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 6205595976

Certificate GIA 6205595976

Diamond specifications and retailer prices

From £7,455 GBP
As of November 6, 2026
Save £5,769 GBP (44%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £13,224 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6205595976. Listed at 20 retailers as of November 4, 2026, with prices from £7,455 to £13,224, a £5,769 spread on the same certified stone. MOH London lists it at £13,224. 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

1.51
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6205595976
Dimensions7.17 × 6.84 × 4.49 mm
L/W Ratio1.05
Top View
7.17 mm6.84 mm1.51 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6205595976
Side View
Table 62.0%CrownGirdle: THN-STKPavilionCulet: NoneDepth 65.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £13,224 GBP|Low: £7,455 GBP|High: £13,418 GBP|Avg: £9,775 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 9£7,455 GBP
Retailer 7£7,527 GBP
Retailer 8£8,489 GBP
Retailer 4£9,038 GBP
Retailer 6£9,233 GBP
Retailer 2£9,827 GBP
Retailer 3£10,203 GBP
Retailer 5£12,386 GBP
MOH London£13,224 GBP

46 data points across 9 retailers

20 retailers£7,455 GBP to £13,224 GBP

B+
Cheapest Retailer
-
£7,455 GBP
Retailer 2
-
£7,527 GBP
View
Price last confirmed 16 days ago
B
Retailer 3
-
£7,876 GBP
View
B
Retailer 4
-
£7,878 GBP
View
B
Retailer 5
-
£8,056 GBP
View
B
Retailer 6
-
£8,108 GBP
View
B
Retailer 7
-
£8,371 GBP
View
Retailer 8
-
£8,489 GBP
View
Price last confirmed 8 days ago
B
Retailer 9
-
£8,560 GBP
View
B
Retailer 10
-
£9,038 GBP
View
Retailer 11
-
£9,233 GBP
View
Price last confirmed 14 days ago
B
Retailer 12
-
£9,395 GBP
View
B
Retailer 13
-
£9,822 GBP
View
B
Retailer 14
-
£9,827 GBP
View
B
Retailer 15
-
£9,877 GBP
View
B
Retailer 16
-
£9,877 GBP
View
B
Retailer 17
-
£10,203 GBP
View
B
Retailer 18
-
£10,206 GBP
View
B
Retailer 19
-
£12,386 GBP
View
Most Expensive
B
MOH London
E50A38A21 · Nov 4
£13,224 GBP
View
19 more retailers have this diamond
Prices start from £7,455 GBPSave up to £5,769 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+
1.51ct Cushion
£7,455 GBP