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Cushion|Natural|GIA

1.51ct L SI2 Cushion Natural Diamond

EX • L/SI2 • GIA 5546721153

Certificate GIA 5546721153

Diamond specifications and retailer prices

From £1,524 GBP
As of November 4, 2026
Save £599 GBP (28%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £2,123 GBP at Yorxs · As of November 6, 2026
View at Yorxs

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two carat band, graded L 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 5546721153. Listed at 9 retailers as of November 4, 2026, with prices from £1,524 to £2,123, a £599 spread on the same certified stone. Yorxs lists it at £2,123. 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
L
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5546721153
Dimensions7.80 × 5.69 × 3.99 mm
L/W Ratio1.37
Top View
7.80 mm5.69 mm1.51 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5546721153
Side View
Table 66.0%CrownGirdle: THK-ETKPavilionCulet: NDepth 70.0%

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: £1,857 GBP|Low: £1,524 GBP|High: £2,135 GBP|Avg: £1,762 GBP|+3.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Yorxs
November 6, 2026
Retailer 2£1,524 GBP
Retailer 6£1,544 GBP
Retailer 4£1,630 GBP
Retailer 3£1,709 GBP
Retailer 8£1,775 GBP
Retailer 7£1,813 GBP
Retailer 5£1,854 GBP
Retailer 1£1,857 GBP
Yorxs£2,123 GBP

43 data points across 9 retailers

9 retailers£1,524 GBP to £2,123 GBP

A
Cheapest Retailer
-
£1,524 GBP
B+
Retailer 2
-
£1,544 GBP
View
B+
Retailer 3
-
£1,630 GBP
View
Retailer 4
-
£1,709 GBP
View
Price last confirmed 9 days ago
B+
Retailer 5
-
£1,775 GBP
View
B+
Retailer 6
-
£1,813 GBP
View
B+
Retailer 7
-
£1,854 GBP
View
B+
Retailer 8
-
£1,857 GBP
View
Most Expensive
B
Yorxs
D45A08DCC · Nov 6
£2,123 GBP
€2,706 EUR
View
8 more retailers have this diamond
Prices start from £1,524 GBPSave up to £599 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
£1,524 GBP