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Cushion|Natural|GIA

1.51ct K SI2 Cushion Natural Diamond

EX • K/SI2 • GIA 7548880540

Certificate GIA 7548880540

Diamond specifications and retailer prices

From £2,716 GBP
As of November 6, 2026
Save £2,433 GBP (47%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £5,149 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7548880540. Listed at 6 retailers as of November 4, 2026, with prices from £2,716 to £5,149, a £2,433 spread on the same certified stone. MOH London lists it at £5,149. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle35.59°
OriginNatural
Grading LabGIA
CertificateGIA 7548880540
Dimensions7.63 × 5.89 × 4.08 mm
L/W Ratio1.30
Key to symbols
Crystal, Cloud, Needle
Top View
7.63 mm5.89 mm1.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7548880540
Side View
Table 64.0%CrownGirdle: MED-VTKPavilion 35.59°Culet: NoneDepth 69.3%

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: £5,149 GBP|Low: £2,716 GBP|High: £5,225 GBP|Avg: £3,441 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7£2,716 GBP
Retailer 4£2,838 GBP
Retailer 2£3,047 GBP
Retailer 6£3,198 GBP
Retailer 3£3,283 GBP
Retailer 5£3,674 GBP
MOH London£5,149 GBP

30 data points across 7 retailers

6 retailers£2,716 GBP to £5,149 GBP

B+
Cheapest Retailer
-
£2,716 GBP
B+
Retailer 2
-
£2,838 GBP
View
B+
Retailer 3
-
£3,047 GBP
View
B
Retailer 4
-
£3,198 GBP
View
B
Retailer 5
-
£3,283 GBP
View
Most Expensive
B
MOH London
CF5B4A5F7 · Nov 4
£5,149 GBP
View
5 more retailers have this diamond
Prices start from £2,716 GBPSave up to £2,433 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
£2,716 GBP