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Cushion|Natural|GIA

0.58ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 6442643235

Certificate GIA 6442643235

Diamond specifications and retailer prices

From £684 GBP
As of November 6, 2026
Save £393 GBP (37%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,077 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 0.58ct natural cushion diamond

This 0.58ct natural cushion sits in the half to three-quarter carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6442643235. Listed at 3 retailers as of November 4, 2026, with prices from £684 to £1,077, a £393 spread on the same certified stone. MOH London lists it at £1,077. 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

0.58
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6442643235
Dimensions7.27 × 4.26 × 3.07 mm
L/W Ratio1.71
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Crystal
Top View
7.27 mm4.26 mm0.58 ctJ / SI1
OriginNatural
CutExcellent
PolishGood
SymmetryGood
FluorescenceFaint
CertificateGIA 6442643235
Side View
Table 55.0%CrownGirdle: MED-ETKPavilionCulet: NoneDepth 72.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £1,077 GBP|Low: £483 GBP|High: £1,092 GBP|Avg: £671 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7£483 GBP
Retailer 5£544 GBP
Retailer 4£595 GBP
Retailer 6£609 GBP
Retailer 2£684 GBP
Retailer 3£702 GBP
MOH London£1,077 GBP

27 data points across 7 retailers

3 retailers£684 GBP to £1,077 GBP

B+
Cheapest Retailer
-
£684 GBP
Retailer 2
-
£702 GBP
View
Price last confirmed 34 days ago
Most Expensive
C
MOH London
47C761EF3 · Nov 4
£1,077 GBP
View
2 more retailers have this diamond
Prices start from £684 GBPSave up to £393 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.

B+
0.58ct Cushion
£684 GBP