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Cushion|Natural|GIA

1.58ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 1545919262

Shape and cutting style on the report: Old miner

Certificate GIA 1545919262

Diamond specifications and retailer prices

From £6,192 GBP
$8,246 USD
As of October 29, 2026
Save £1,126 GBP (15%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £7,319 GBP at Yorxs · As of October 29, 2026
View at Yorxs

About this 1.58ct natural cushion diamond

This 1.58ct natural cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1545919262. Listed at 5 retailers as of October 29, 2026, with prices from £6,192 to £7,319, a £1,126 spread on the same certified stone. Yorxs lists it at £7,319. 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

1.58
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.35°
Pavilion angle38.86°
OriginNatural
Grading LabGIA
CertificateGIA 1545919262
Dimensions7.90 × 6.17 × 4.26 mm
L/W Ratio1.28
Girdle conditionFaceted
Key to symbols
Feather
Top View
7.90 mm6.17 mm1.58 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1545919262
Side View
Table 50.0%Crown 46.35°Girdle: VTN-STKPavilion 38.86°Culet: NoneDepth 69.1%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: £6,812 GBP|Low: £5,624 GBP|High: £7,571 GBP|Avg: £6,668 GBP|-3.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Yorxs
October 29, 2026
Retailer 4£5,624 GBP
Retailer 2£6,192 GBP
Retailer 3£6,716 GBP
Retailer 1£6,812 GBP
Yorxs£7,319 GBP

18 data points across 5 retailers

5 retailers£6,192 GBP to £7,319 GBP

B+
Retailer 1
-
£5,624 GBP
SGD 10,120 SGD
Price last confirmed 19 days ago
B+
Retailer 2
-
£6,192 GBP
$8,246 USD
View
B+
Retailer 3
-
£6,716 GBP
$8,944 USD
View
B+
Retailer 4
-
£6,812 GBP
$9,071 USD
View
Most Expensive
B
Yorxs
7E2DD6205 · Oct 29
£7,319 GBP
€9,282 EUR
View
4 more retailers have this diamond
Prices start from £6,192 GBPSave up to £1,126 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+
1.58ct Cushion
£6,192 GBP