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Cushion|Natural|GIA

0.62ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 1545060089

Certificate GIA 1545060089

Diamond specifications and retailer prices

From £598 GBP
$802 USD
As of November 2, 2026
Save £588 GBP (50%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,186 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 0.62ct natural cushion diamond

This 0.62ct natural cushion sits in the half to three-quarter carat band, graded I 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 1545060089. Listed at 11 retailers as of November 2, 2026, with prices from £598 to £1,186, a £588 spread on the same certified stone. MOH London lists it at £1,186. 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

0.62
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1545060089
Dimensions9.25 × 4.20 × 2.72 mm
L/W Ratio2.20
Girdle conditionFaceted
Key to symbols
Twinning Wisp
Top View
9.25 mm4.20 mm0.62 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1545060089
Side View
Table 58.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 64.6%

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: Nov 2
Current: £1,186 GBP|Low: £385 GBP|High: £1,200 GBP|Avg: £768 GBP|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 3£385 GBP
Retailer 7£598 GBP
Retailer 5£656 GBP
Retailer 10£656 GBP
Retailer 4£673 GBP
Retailer 11£746 GBP
Retailer 9£774 GBP
Retailer 2£912 GBP
Retailer 6£967 GBP
Retailer 8£973 GBP
MOH London£1,186 GBP

40 data points across 11 retailers

11 retailers£598 GBP to £1,186 GBP

Retailer 1
-
£439 GBP
HK$4,600 HKD
Price last confirmed 59 days ago
B
Retailer 2
-
£598 GBP
$802 USD
View
Final sale: no returns
B
Retailer 3
-
£656 GBP
$880 USD
View
B
Retailer 4
-
£656 GBP
$880 USD
View
B+
Retailer 5
-
£673 GBP
View
B
Retailer 6
-
£746 GBP
$1,002 USD
View
B
Retailer 7
-
£774 GBP
$1,038 USD
View
B
Retailer 8
-
£912 GBP
€1,166 EUR
View
B
Retailer 9
-
£967 GBP
ZAR 20,958 ZAR
View
Retailer 10
-
£973 GBP
A$2,010 AUD
View
Price last confirmed 28 days ago
Most Expensive
B
MOH London
C93B2523B · Nov 2
£1,186 GBP
View
10 more retailers have this diamond
Prices start from £598 GBPSave up to £588 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+
0.62ct Cushion
£598 GBP