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Cushion|Natural|GIA

0.90ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 1549499353

Certificate GIA 1549499353

Diamond specifications and retailer prices

From $961 AUD
₹64,174 INR
As of November 2, 2026
Save $1,488 AUD (61%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,450 AUD at Moon Ocean · As of November 2, 2026
View at Moon Ocean

About this 0.9ct natural cushion diamond

This 0.9ct natural cushion sits in the just-under-one-carat band, graded H 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 1549499353. Listed at 14 retailers as of November 2, 2026, with prices from $961 to $2,450, a $1,488 spread on the same certified stone. Moon Ocean lists it at $2,450. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1549499353
Dimensions5.72 × 5.49 × 3.78 mm
L/W Ratio1.04
Girdle conditionFaceted
Key to symbols
Crystal
Top View
5.72 mm5.49 mm0.90 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1549499353
Side View
Table 63.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 68.9%

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: Nov 2
Current: $2,450 AUD|Low: $961 AUD|High: $2,482 AUD|Avg: $1,565 AUD|-1.3%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 2$961 AUD
Retailer 5$1,009 AUD
Retailer 4$1,288 AUD
Retailer 11$1,291 AUD
Retailer 12$1,443 AUD
Retailer 3$1,463 AUD
Retailer 13$1,463 AUD
Retailer 10$1,487 AUD
Retailer 7$1,488 AUD
Retailer 6$1,793 AUD
Retailer 9$1,865 AUD
Retailer 8$2,332 AUD
Moon Ocean$2,450 AUD

27 data points across 13 retailers

14 retailers$961 AUD to $2,450 AUD

A
Cheapest Retailer
-
$961 AUD
₹64,174 INR
A
Retailer 2
-
$1,009 AUD
$707 USD
View
Final sale: no returns
A
Retailer 3
-
$1,288 AUD
$903 USD
View
A
Retailer 4
-
$1,291 AUD
$905 USD
View
A
Retailer 5
-
$1,443 AUD
$1,011 USD
View
A
Retailer 6
-
$1,463 AUD
$1,025 USD
View
A
Retailer 7
-
$1,463 AUD
$1,025 USD
View
A
Retailer 8
-
$1,487 AUD
£821 GBP
View
A
Retailer 9
-
$1,488 AUD
£821 GBP
View
A
Retailer 10
-
$1,793 AUD
€1,197 EUR
View
Retailer 11
-
$1,835 AUD
View
Price last confirmed 28 days ago
A
Retailer 12
-
$1,865 AUD
ZAR 21,110 ZAR
View
B+
Retailer 13
-
$2,332 AUD
£1,287 GBP
View
Most Expensive
B+
Moon Ocean
NVN-3C6EB5D90-353 · Nov 2
$2,450 AUD
£1,352 GBP
View
13 more retailers have this diamond
Prices start from $961 AUDSave up to $1,488 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.

A
0.90ct Cushion
$961 AUD