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Cushion|Natural|GIA

1.51ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 2466369960

Certificate GIA 2466369960

Diamond specifications and retailer prices

From £1,796 GBP
As of November 4, 2026
Save £2,121 GBP (54%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £3,917 GBP at MOH London · As of November 2, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2466369960. Listed at 16 retailers as of November 2, 2026, with prices from £1,796 to £3,917, a £2,121 spread on the same certified stone. MOH London lists it at £3,917. 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
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle29.7°
OriginNatural
Grading LabGIA
CertificateGIA 2466369960
Dimensions7.13 × 5.83 × 4.01 mm
L/W Ratio1.22
Top View
7.13 mm5.83 mm1.51 ctK / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 2466369960
Side View
Table 61.0%Crown 37.5°Girdle: MED-VTKPavilion 29.7°Culet: NoneDepth 68.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £3,917 GBP|Low: £1,796 GBP|High: £3,964 GBP|Avg: £2,398 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 10£1,796 GBP
Retailer 8£1,878 GBP
Retailer 5£1,924 GBP
Retailer 9£1,993 GBP
Retailer 6£2,122 GBP
Retailer 7£2,294 GBP
Retailer 3£2,409 GBP
Retailer 2£2,726 GBP
Retailer 4£2,858 GBP
MOH London£3,917 GBP

42 data points across 10 retailers

16 retailers£1,796 GBP to £3,917 GBP

A
Cheapest Retailer
-
£1,796 GBP
A
Retailer 2
-
£1,877 GBP
View
A
Retailer 3
-
£1,878 GBP
View
A
Retailer 4
-
£1,901 GBP
View
A
Retailer 5
-
£1,920 GBP
View
A
Retailer 6
-
£1,924 GBP
View
A
Retailer 7
-
£1,993 GBP
View
A
Retailer 8
-
£2,081 GBP
View
Retailer 9
-
£2,122 GBP
View
Price last confirmed 9 days ago
B+
Retailer 10
-
£2,294 GBP
View
A
Retailer 11
-
£2,409 GBP
View
Retailer 12
-
£2,719 GBP
View
Price last confirmed 15 days ago
B+
Retailer 13
-
£2,726 GBP
View
B+
Retailer 14
-
£2,858 GBP
View
B
Retailer 15
-
£3,378 GBP
View
Most Expensive
B
MOH London
DFC268F43 · Nov 2
£3,917 GBP
View
15 more retailers have this diamond
Prices start from £1,796 GBPSave up to £2,121 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
1.51ct Cushion
£1,796 GBP