Cushion|Natural|GIA

0.43ct I SI2 Cushion Natural Diamond

EX • I/SI2 • GIA 1558114015

Certificate GIA 1558114015

Diamond specifications and retailer prices

From £191 GBP
As of November 6, 2026
Save £425 GBP (69%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £616 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 0.43ct natural cushion diamond

This 0.43ct natural cushion sits in the sub-half-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1558114015. Listed at 6 retailers as of November 4, 2026, with prices from £191 to £616, a £425 spread on the same certified stone. MOH London lists it at £616. 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

0.43
Carat
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1558114015
Dimensions5.19 × 3.98 × 2.73 mm
L/W Ratio1.30
Girdle conditionFaceted
Key to symbols
Crystal
Top View
5.19 mm3.98 mm0.43 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1558114015
Side View
Table 64.0%CrownGirdle: THN-STKPavilionCulet: 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: £616 GBP|Low: £191 GBP|High: £690 GBP|Avg: £355 GBP|-2.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 2£191 GBP
Retailer 4£229 GBP
Retailer 6£282 GBP
Retailer 5£294 GBP
Retailer 3£465 GBP
MOH London£616 GBP

45 data points across 6 retailers

6 retailers£191 GBP to £616 GBP

A
Cheapest Retailer
-
£191 GBP
A
Retailer 2
-
£229 GBP
View
Retailer 3
-
£282 GBP
View
Price last confirmed 13 days ago
A
Retailer 4
-
£294 GBP
View
B+
Retailer 5
-
£465 GBP
View
Most Expensive
B
MOH London
40CDE8CAC · Nov 4
£616 GBP
View
5 more retailers have this diamond
Prices start from £191 GBPSave up to £425 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
0.43ct Cushion
£191 GBP