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Cushion|Natural|GIA

1.51ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 2245046175

Certificate GIA 2245046175

Diamond specifications and retailer prices

From £3,744 GBP
As of November 6, 2026
Save £4,074 GBP (52%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £7,818 GBP at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two carat band, graded F 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 2245046175. Listed at 18 retailers as of November 6, 2026, with prices from £3,744 to £7,818, a £4,074 spread on the same certified stone. Wholesale Diamonds Direct lists it at £7,818. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2245046175
Dimensions7.78 × 5.98 × 4.10 mm
L/W Ratio1.30
Girdle conditionFaceted
Top View
7.78 mm5.98 mm1.51 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2245046175
Side View
Table 67.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.6%

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 6
Current: £4,646 GBP|Low: £3,700 GBP|High: £7,907 GBP|Avg: £5,100 GBP|-3.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Wholesale Diamonds Direct
November 7, 2026
Retailer 8£3,744 GBP
Retailer 4£3,768 GBP
Retailer 14£4,020 GBP
Retailer 9£4,217 GBP
Retailer 13£4,219 GBP
Retailer 7£4,242 GBP
Retailer 15£4,281 GBP
Retailer 16£4,424 GBP
Retailer 2£4,430 GBP
Retailer 6£4,444 GBP
Retailer 1£4,646 GBP
Retailer 3£4,865 GBP
Retailer 10£5,513 GBP
Retailer 5£5,827 GBP
Retailer 11£6,191 GBP
Retailer 12£7,455 GBP
Wholesale Diamonds Direct£7,818 GBP

25 data points across 17 retailers

18 retailers£3,744 GBP to £7,818 GBP

A
Cheapest Retailer
-
£3,744 GBP
A
Retailer 2
-
£3,768 GBP
View
A
Retailer 3
-
£4,020 GBP
View
A
Retailer 4
-
£4,217 GBP
View
A
Retailer 5
-
£4,219 GBP
View
B+
Retailer 6
-
£4,242 GBP
View
Final sale: no returns
A
Retailer 7
-
£4,281 GBP
View
B+
Retailer 8
-
£4,424 GBP
View
B+
Retailer 9
-
£4,430 GBP
View
B+
Retailer 10
-
£4,444 GBP
View
B+
Retailer 11
-
£4,646 GBP
View
B+
Retailer 12
-
£4,865 GBP
View
Retailer 13
-
£5,189 GBP
View
Price last confirmed 34 days ago
B+
Retailer 14
-
£5,513 GBP
View
B+
Retailer 15
-
£5,827 GBP
View
B+
Retailer 16
-
£6,191 GBP
View
B
Retailer 17
-
£7,455 GBP
View
Most Expensive
B
Wholesale Diamonds Direct
625970456 · Nov 6
£7,818 GBP
$10,464 USD
View
17 more retailers have this diamond
Prices start from £3,744 GBPSave up to £4,074 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
£3,744 GBP