Cushion|Natural|GIA

0.90ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 6555162739

Certificate GIA 6555162739

Diamond specifications and retailer prices

From $858 USD
HK$6,700 HKD
As of October 29, 2026
Save $1,252 USD (59%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,109 USD 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 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 6555162739. Listed at 15 retailers as of October 29, 2026, with prices from $858 to $2,109, a $1,252 spread on the same certified stone. MOH London lists it at $2,109. 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
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555162739
Dimensions5.71 × 5.46 × 3.65 mm
L/W Ratio1.05
Top View
5.71 mm5.46 mm0.90 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6555162739
Side View
Table 66.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 66.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $2,109 USD|Low: $858 USD|High: $2,155 USD|Avg: $1,374 USD|-2.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 29, 2026
Retailer 12$858 USD
Retailer 13$1,057 USD
Retailer 7$1,118 USD
Retailer 11$1,178 USD
Retailer 2$1,180 USD
Retailer 4$1,211 USD
Retailer 9$1,249 USD
Retailer 5$1,357 USD
Retailer 3$1,359 USD
Retailer 6$1,520 USD
Retailer 8$1,602 USD
Retailer 10$1,659 USD
Retailer 14$1,807 USD
MOH London$2,109 USD

27 data points across 14 retailers

15 retailers$858 USD to $2,109 USD

A
Cheapest Retailer
-
$858 USD
HK$6,700 HKD
Retailer 2
-
$1,057 USD
View
Final sale: no returns
A
Retailer 3
-
$1,118 USD
€1,065 EUR
View
A
Retailer 4
-
$1,178 USD
View
A
Retailer 5
-
$1,180 USD
View
A
Retailer 6
-
$1,211 USD
SGD 1,637 SGD
View
A
Retailer 7
-
$1,249 USD
£983 GBP
View
A
Retailer 8
-
$1,357 USD
View
A
Retailer 9
-
$1,359 USD
View
B+
Retailer 10
-
$1,520 USD
A$2,339 AUD
View
Price last confirmed 25 days ago
B+
Retailer 11
-
$1,533 USD
A$2,358 AUD
View
B+
Retailer 12
-
$1,602 USD
€1,526 EUR
View
B+
Retailer 13
-
$1,659 USD
ZAR 26,798 ZAR
View
Price last confirmed 7 days ago
B+
Retailer 14
-
$1,807 USD
View
Most Expensive
B+
MOH London
157E34199 · Oct 29
$2,109 USD
£1,661 GBP
View
14 more retailers have this diamond
Prices start from $858 USDSave up to $1,252 USD

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
$858 USD