Cushion|Natural|GIA

0.58ct G SI1 Cushion Natural Diamond

EX • G/SI1 • GIA 7556667730

Certificate GIA 7556667730

Diamond specifications and retailer prices

From £286 GBP
$383 USD
As of October 31, 2026
Save £1,046 GBP (79%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,332 GBP at Queensmith · As of October 27, 2026
View at Queensmith

About this 0.58ct natural cushion diamond

This 0.58ct natural cushion sits in the half to three-quarter carat band, graded G 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 7556667730. Listed at 12 retailers as of October 27, 2026, with prices from £286 to £1,332, a £1,046 spread on the same certified stone. Queensmith lists it at £1,332. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7556667730
Dimensions4.82 × 5.06 × 3.27 mm
L/W Ratio1.05
Top View
4.82 mm5.06 mm0.58 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7556667730
Side View
Table 61.0%CrownGirdlePavilionCulet: NoneDepth 68.0%

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: Oct 31
Current: £1,332 GBP|Low: £286 GBP|High: £1,426 GBP|Avg: £651 GBP|-4.7%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 10£286 GBP
Retailer 2£384 GBP
Retailer 9£388 GBP
Retailer 12£403 GBP
Retailer 8£408 GBP
Retailer 6£452 GBP
Retailer 7£478 GBP
Retailer 5£498 GBP
Retailer 3£590 GBP
Retailer 4£667 GBP
Retailer 11£739 GBP
Queensmith£1,332 GBP

37 data points across 12 retailers

12 retailers£286 GBP to £1,332 GBP

A
Cheapest Retailer
-
£286 GBP
$383 USD
Final sale: no returns
A
Retailer 2
-
£384 GBP
View
A
Retailer 3
-
£388 GBP
View
A
Retailer 4
-
£403 GBP
$540 USD
View
A
Retailer 5
-
£408 GBP
$546 USD
View
A
Retailer 6
-
£452 GBP
$606 USD
View
B+
Retailer 7
-
£478 GBP
ZAR 10,350 ZAR
View
B+
Retailer 8
-
£498 GBP
€635 EUR
View
Retailer 9
-
£590 GBP
$790 USD
View
Price last confirmed 14 days ago
Retailer 10
-
£667 GBP
A$1,374 AUD
View
Price last confirmed 29 days ago
B
Retailer 11
-
£739 GBP
View
Most Expensive
B
Queensmith
7556667730 · Oct 27
£1,332 GBP
View
11 more retailers have this diamond
Prices start from £286 GBPSave up to £1,046 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
0.58ct Cushion
£286 GBP