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Cushion|Natural|GIA

1.51ct E SI2 Cushion Natural Diamond

EX • E/SI2 • GIA 7438176186

Certificate GIA 7438176186

Diamond specifications and retailer prices

From £4,783 GBP
$6,370 USD
As of October 28, 2026
Save £1,795 GBP (27%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £6,578 GBP at Jared · As of October 28, 2026
View at Jared

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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7438176186. Listed at 17 retailers as of October 28, 2026, with prices from £4,783 to £6,578, a £1,795 spread on the same certified stone. Jared lists it at £6,578. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7438176186
Dimensions6.49 × 6.13 × 4.06 mm
L/W Ratio1.06
Top View
6.49 mm6.13 mm1.51 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7438176186
Side View
Table 64.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 66.2%

Caratlytics Score

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

Price History

Last verified: Oct 28
Current: £6,578 GBP|Low: £4,783 GBP|High: £6,786 GBP|Avg: £5,835 GBP
Jared
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
October 29, 2026
Retailer 9£4,783 GBP
Retailer 12£5,000 GBP
Retailer 15£5,100 GBP
Retailer 14£5,355 GBP
Retailer 6£5,494 GBP
Retailer 7£5,536 GBP
Retailer 16£5,654 GBP
Retailer 10£5,725 GBP
Retailer 11£5,971 GBP
Retailer 2£6,009 GBP
Retailer 13£6,149 GBP
Retailer 4£6,368 GBP
Retailer 5£6,368 GBP
Retailer 8£6,422 GBP
Jared£6,578 GBP
Retailer 3£6,786 GBP

38 data points across 16 retailers

17 retailers£4,783 GBP to £6,578 GBP

A
Cheapest Retailer
-
£4,783 GBP
$6,370 USD
B+
Retailer 2
-
£5,000 GBP
$6,658 USD
View
B+
Retailer 3
-
£5,175 GBP
$6,892 USD
View
B+
Retailer 4
-
£5,194 GBP
A$10,641 AUD
View
B+
Retailer 5
-
£5,290 GBP
$7,044 USD
View
B+
Retailer 6
-
£5,355 GBP
$7,131 USD
View
B+
Retailer 7
-
£5,494 GBP
$7,316 USD
View
B+
Retailer 8
-
£5,536 GBP
CA$10,240 CAD
View
B+
Retailer 9
-
£5,654 GBP
$7,529 USD
View
B+
Retailer 10
-
£5,725 GBP
SGD 10,303 SGD
View
B
Retailer 11
-
£5,971 GBP
$7,951 USD
View
B+
Retailer 12
-
£6,009 GBP
View
B
Retailer 13
-
£6,149 GBP
A$12,598 AUD
View
B+
Retailer 14
-
£6,368 GBP
$8,480 USD
View
B+
Retailer 15
-
£6,368 GBP
$8,480 USD
View
B
Retailer 16
-
£6,422 GBP
$8,552 USD
View
Most Expensive
B
Jared
144748612 · Oct 28
£6,578 GBP
$8,760 USD
View
16 more retailers have this diamond
Prices start from £4,783 GBPSave up to £1,795 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
£4,783 GBP