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Cushion|Natural|GIA

0.90ct H SI2 Cushion Natural Diamond

EX • H/SI2 • GIA 2151971168

Certificate GIA 2151971168

Diamond specifications and retailer prices

From $2,732 AUD
$1,919 USD
As of October 30, 2026
Save $3,146 AUD (54%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,878 AUD at MOH London · As of October 29, 2026
View at MOH London

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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2151971168. Listed at 15 retailers as of October 29, 2026, with prices from $2,732 to $5,878, a $3,146 spread on the same certified stone. MOH London lists it at $5,878. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2151971168
Dimensions5.57 × 5.22 × 3.55 mm
L/W Ratio1.07
Culet sizeNone
Top View
5.57 mm5.22 mm0.90 ctH / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2151971168
Side View
Table 66.0%CrownGirdle: THN-ETKPavilionCulet: NoneDepth 67.9%

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 30
Current: $5,878 AUD|Low: $2,558 AUD|High: $5,917 AUD|Avg: $3,669 AUD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 6$2,641 AUD
Retailer 9$2,732 AUD
Retailer 8$2,790 AUD
Retailer 11$2,961 AUD
Retailer 7$3,024 AUD
Retailer 10$3,313 AUD
Retailer 12$3,579 AUD
Retailer 4$3,616 AUD
Retailer 2$4,158 AUD
Retailer 5$4,160 AUD
Retailer 3$4,799 AUD
MOH London$5,878 AUD

34 data points across 12 retailers

15 retailers$2,732 AUD to $5,878 AUD

B+
Cheapest Retailer
-
$2,732 AUD
$1,919 USD
B
Retailer 2
-
$2,790 AUD
$1,960 USD
View
Final sale: no returns
B+
Retailer 3
-
$2,917 AUD
$2,049 USD
View
B+
Retailer 4
-
$2,961 AUD
$2,080 USD
View
Retailer 5
-
$3,024 AUD
$2,124 USD
View
Price last confirmed 17 days ago
B
Retailer 6
-
$3,298 AUD
CA$3,217 CAD
View
B
Retailer 7
-
$3,313 AUD
$2,327 USD
View
B
Retailer 8
-
$3,502 AUD
$2,460 USD
View
B
Retailer 9
-
$3,502 AUD
$2,460 USD
View
B
Retailer 10
-
$3,579 AUD
View
B
Retailer 11
-
$3,616 AUD
$2,540 USD
View
B
Retailer 12
-
$3,817 AUD
$2,681 USD
View
B
Retailer 13
-
$4,158 AUD
£2,300 GBP
View
B
Retailer 14
-
$4,160 AUD
€2,783 EUR
View
Most Expensive
B
MOH London
E49B5FF22 · Oct 29
$5,878 AUD
£3,251 GBP
View
14 more retailers have this diamond
Prices start from $2,732 AUDSave up to $3,146 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
$2,732 AUD