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Cushion|Natural|GIA

1.80ct I SI2 Cushion Natural Diamond

EX • I/SI2 • GIA 7552022909

Certificate GIA 7552022909

Diamond specifications and retailer prices

From $4,005 USD
As of November 1, 2026
Save $4,405 USD (52%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $8,410 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.8ct natural cushion diamond

This 1.8ct natural cushion sits in the one-and-a-half to two carat band, graded I 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 7552022909. Listed at 24 retailers as of October 29, 2026, with prices from $4,005 to $8,410, a $4,405 spread on the same certified stone. MOH London lists it at $8,410. 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

1.80
Carat
I
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7552022909
Dimensions7.26 × 6.48 × 4.41 mm
L/W Ratio1.12
Culet sizeNone
Top View
7.26 mm6.48 mm1.80 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7552022909
Side View
Table 60.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 68.0%

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: Nov 1
Current: $8,410 USD|Low: $3,990 USD|High: $8,466 USD|Avg: $5,273 USD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 6$4,005 USD
Retailer 5$4,147 USD
Retailer 7$4,391 USD
Retailer 8$4,838 USD
Retailer 10$5,017 USD
Retailer 9$5,078 USD
Retailer 3$5,123 USD
Retailer 2$5,242 USD
Retailer 4$5,588 USD
MOH London$8,410 USD

39 data points across 10 retailers

24 retailers$4,005 USD to $8,410 USD

A
Cheapest Retailer
-
$4,005 USD
A
Retailer 2
-
$4,097 USD
View
A
Retailer 3
-
$4,103 USD
View
A
Retailer 4
-
$4,147 USD
View
A
Retailer 5
-
$4,150 USD
View
A
Retailer 6
-
$4,199 USD
View
A
Retailer 7
-
$4,334 USD
A$6,668 AUD
View
A
Retailer 8
-
$4,391 USD
View
Final sale: no returns
A
Retailer 9
-
$4,680 USD
CA$6,500 CAD
View
A
Retailer 10
-
$4,720 USD
View
Retailer 11
-
$4,754 USD
View
Price last confirmed 9 days ago
A
Retailer 12
-
$4,838 USD
View
A
Retailer 13
-
$4,896 USD
View
A
Retailer 14
-
$5,017 USD
View
A
Retailer 15
-
$5,078 USD
View
A
Retailer 16
-
$5,123 USD
£4,034 GBP
View
A
Retailer 17
-
$5,242 USD
£4,128 GBP
View
B+
Retailer 18
-
$5,259 USD
View
B+
Retailer 19
-
$5,340 USD
View
B+
Retailer 20
-
$5,340 USD
View
B+
Retailer 21
-
$5,520 USD
View
B+
Retailer 22
-
$5,588 USD
€5,322 EUR
View
B
Retailer 23
-
$7,603 USD
View
Most Expensive
B
MOH London
5E5DDFBD8 · Oct 29
$8,410 USD
£6,622 GBP
View
23 more retailers have this diamond
Prices start from $4,005 USDSave up to $4,405 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
1.80ct Cushion
$4,005 USD