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Cushion|Natural|GIA

0.90ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 5196273112

Certificate GIA 5196273112

Diamond specifications and retailer prices

From £1,884 GBP
$2,509 USD
As of October 28, 2026
Save £765 GBP (29%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,649 GBP at The Diamond Guys · As of October 29, 2026
View at The Diamond Guys

About this 0.9ct natural cushion diamond

This 0.9ct natural cushion sits in the just-under-one-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 5196273112. Listed at 11 retailers as of October 28, 2026, with prices from £1,884 to £2,649, a £765 spread on the same certified stone. The Diamond Guys lists it at £2,649. 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

0.90
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5196273112
Dimensions6.08 × 5.20 × 3.51 mm
L/W Ratio1.17
Top View
6.08 mm5.20 mm0.90 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5196273112
Side View
Table 60.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 67.5%

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 28
Current: £2,266 GBP|Low: £1,957 GBP|High: £2,539 GBP|Avg: £2,255 GBP|+3.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 3£1,957 GBP
Retailer 5£2,002 GBP
Retailer 1£2,266 GBP
Retailer 4£2,469 GBP
Retailer 2£2,539 GBP

42 data points across 5 retailers

11 retailers£1,884 GBP to £2,649 GBP

B+
Cheapest Retailer
-
£1,884 GBP
$2,509 USD
B+
Retailer 2
-
£1,957 GBP
SGD 3,522 SGD
View
B+
Retailer 3
-
£2,002 GBP
$2,666 USD
View
B
Retailer 4
-
£2,069 GBP
$2,755 USD
View
B
Retailer 5
-
£2,136 GBP
CA$3,951 CAD
View
B
Retailer 6
-
£2,266 GBP
View
B
Retailer 7
-
£2,325 GBP
€2,949 EUR
View
B
Retailer 8
-
£2,469 GBP
A$5,058 AUD
View
B
Retailer 9
-
£2,539 GBP
€3,220 EUR
View
B
Retailer 10
-
£2,636 GBP
$3,511 USD
View
Most Expensive
B
The Diamond Guys
1917992730 · Oct 29
£2,649 GBP
$3,528 USD
View
10 more retailers have this diamond
Prices start from £1,884 GBPSave up to £765 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+
0.90ct Cushion
£1,884 GBP