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Cushion|Natural|GIA

0.51ct E SI1 Cushion Natural Diamond

GD • E/SI1 • GIA 6541133078

Certificate GIA 6541133078

Diamond specifications and retailer prices

From £309 GBP
As of November 6, 2026
Save £475 GBP (61%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £784 GBP at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

About this 0.51ct natural cushion diamond

This 0.51ct natural cushion sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6541133078. Listed at 5 retailers as of November 6, 2026, with prices from £309 to £784, a £475 spread on the same certified stone. Do Amore Diamonds lists it at £784. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
E
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6541133078
Dimensions4.51 × 4.44 × 2.98 mm
L/W Ratio1.02
Top View
4.51 mm4.44 mm0.51 ctE / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateGIA 6541133078
Side View
Table 63.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 67.3%

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: £784 GBP|Low: £256 GBP|High: £867 GBP|Avg: £426 GBP|-9.5%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 3£290 GBP
Retailer 6£309 GBP
Retailer 5£341 GBP
Retailer 4£347 GBP
Retailer 2£396 GBP
Retailer 8£433 GBP
Retailer 7£448 GBP
Do Amore Diamonds£784 GBP

42 data points across 8 retailers

5 retailers£309 GBP to £784 GBP

A
Cheapest Retailer
-
£309 GBP
Retailer 2
-
£341 GBP
View
Price last confirmed 9 days ago
Retailer 3
-
£347 GBP
View
Price last confirmed 9 days ago
A
Retailer 4
-
£396 GBP
View
Most Expensive
B
Do Amore Diamonds
12-100766962562 · Nov 6
£784 GBP
$1,050 USD
View
4 more retailers have this diamond
Prices start from £309 GBPSave up to £475 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
0.51ct Cushion
£309 GBP