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Cushion|Natural|IGI

0.50ct H SI1 Cushion Natural Diamond

VG • H/SI1 • IGI 815685303

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI 815685303

Diamond specifications and retailer prices

From £269 GBP
$361 USD
As of November 2, 2026
Save £406 GBP (60%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £675 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 0.5ct natural cushion diamond

This 0.5ct natural cushion sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 815685303. Listed at 10 retailers as of November 2, 2026, with prices from £269 to £675, a £406 spread on the same certified stone. MOH London lists it at £675. 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

0.50
Carat
H
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle27.1°
Pavilion angle41.4°
OriginNatural
Grading LabIGI
CertificateIGI 815685303
Dimensions5.43 × 4.17 × 2.96 mm
L/W Ratio1.30
Girdle conditionFaceted
Top View
5.43 mm4.17 mm0.50 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateIGI 815685303
Side View
Table 67.0%Crown 27.1°Girdle: THN-VTKPavilion 41.4°Culet: NoneDepth 71.0%

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: Nov 2
Current: £675 GBP|Low: £269 GBP|High: £682 GBP|Avg: £416 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 3, 2026
Retailer 9£269 GBP
Retailer 10£318 GBP
Retailer 5£335 GBP
Retailer 4£358 GBP
Retailer 7£366 GBP
Retailer 2£395 GBP
Retailer 8£412 GBP
Retailer 6£451 GBP
Retailer 3£489 GBP
MOH London£675 GBP

40 data points across 10 retailers

10 retailers£269 GBP to £675 GBP

Retailer 1
-
£268 GBP
$360 USD
Price last confirmed 12 days ago
A
Retailer 2
-
£269 GBP
$361 USD
View
Final sale: no returns
B+
Retailer 3
-
£335 GBP
$450 USD
View
B+
Retailer 4
-
£358 GBP
View
B+
Retailer 5
-
£366 GBP
View
B+
Retailer 6
-
£395 GBP
View
B+
Retailer 7
-
£412 GBP
$553 USD
View
B+
Retailer 8
-
£451 GBP
ZAR 9,770 ZAR
View
B
Retailer 9
-
£489 GBP
€625 EUR
View
Most Expensive
B
MOH London
AB35F29F9 · Nov 2
£675 GBP
View
9 more retailers have this diamond
Prices start from £269 GBPSave up to £406 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
0.50ct Cushion
£269 GBP