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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 $3,572 AUD
$2,509 USD
As of October 28, 2026
Save $1,451 AUD (29%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,022 AUD 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 $3,572 to $5,022, a $1,451 spread on the same certified stone. The Diamond Guys lists it at $5,022. 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: $4,297 AUD|Low: $3,710 AUD|High: $4,813 AUD|Avg: $4,274 AUD|+3.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 3$3,710 AUD
Retailer 5$3,795 AUD
Retailer 1$4,297 AUD
Retailer 4$4,680 AUD
Retailer 2$4,813 AUD

42 data points across 5 retailers

11 retailers$3,572 AUD to $5,022 AUD

B+
Cheapest Retailer
-
$3,572 AUD
$2,509 USD
B+
Retailer 2
-
$3,710 AUD
SGD 3,522 SGD
View
B+
Retailer 3
-
$3,795 AUD
$2,666 USD
View
B
Retailer 4
-
$3,922 AUD
$2,755 USD
View
B
Retailer 5
-
$4,050 AUD
CA$3,951 CAD
View
B
Retailer 6
-
$4,297 AUD
£2,376 GBP
View
B
Retailer 7
-
$4,408 AUD
€2,949 EUR
View
B
Retailer 8
-
$4,680 AUD
View
B
Retailer 9
-
$4,813 AUD
€3,220 EUR
View
B
Retailer 10
-
$4,998 AUD
$3,511 USD
View
Most Expensive
B
The Diamond Guys
1917992730 · Oct 29
$5,022 AUD
$3,528 USD
View
10 more retailers have this diamond
Prices start from $3,572 AUDSave up to $1,451 AUD

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
$3,572 AUD