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Cushion|Natural|IGI

0.90ct H SI2 Cushion Natural Diamond

VG • H/SI2 • IGI 625484227

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI 625484227

Diamond specifications and retailer prices

From $661 USD
As of October 31, 2026
Save $1,201 USD (65%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,862 USD at Moon Ocean · As of October 30, 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 SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 625484227. Listed at 7 retailers as of October 30, 2026, with prices from $661 to $1,862, a $1,201 spread on the same certified stone. Moon Ocean lists it at $1,862. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.90
Carat
H
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.8°
Pavilion angle32.9°
OriginNatural
Grading LabIGI
CertificateIGI 625484227
Dimensions5.28 × 5.18 × 3.73 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Top View
5.28 mm5.18 mm0.90 ctH / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 625484227
Side View
Table 61.0%Crown 40.8°Girdle: THK-VTKPavilion 32.9°Culet: NoneDepth 72.0%

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: Oct 31
Current: $1,862 USD|Low: $607 USD|High: $2,046 USD|Avg: $1,037 USD|-8.6%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 6$661 USD
Retailer 4$715 USD
Retailer 5$717 USD
Retailer 8$792 USD
Retailer 3$838 USD
Retailer 9$973 USD
Retailer 7$1,096 USD
Retailer 10$1,203 USD
Retailer 2$1,321 USD
Moon Ocean$1,862 USD

37 data points across 10 retailers

7 retailers$661 USD to $1,862 USD

A
Cheapest Retailer
-
$661 USD
Final sale: no returns
A
Retailer 2
-
$715 USD
View
A
Retailer 3
-
$717 USD
View
Retailer 4
-
$792 USD
View
Price last confirmed 26 days ago
B+
Retailer 5
-
$838 USD
£660 GBP
View
B+
Retailer 6
-
$1,321 USD
£1,040 GBP
View
Most Expensive
B
Moon Ocean
NVN-0FA2949F4-227 · Oct 30
$1,862 USD
£1,466 GBP
View
6 more retailers have this diamond
Prices start from $661 USDSave up to $1,201 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
$661 USD