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Cushion|Natural|IGI

0.91ct J SI1 Cushion Natural Diamond

VG • J/SI1 • IGI 689598820

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

Certificate IGI 689598820

Diamond specifications and retailer prices

From $606 USD
As of November 2, 2026
Save $918 USD (60%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,524 USD at MOH London · As of October 29, 2026
View at MOH London

About this 0.91ct natural cushion diamond

This 0.91ct natural cushion sits in the just-under-one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 689598820. Listed at 10 retailers as of October 29, 2026, with prices from $606 to $1,524, a $918 spread on the same certified stone. MOH London lists it at $1,524. 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

0.91
Carat
J
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.4°
Pavilion angle31°
OriginNatural
Grading LabIGI
CertificateIGI 689598820
Dimensions5.26 × 5.13 × 3.59 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Top View
5.26 mm5.13 mm0.91 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 689598820
Side View
Table 61.0%Crown 36.4°Girdle: THK-VTKPavilion 31°Culet: NoneDepth 70.0%

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: Nov 2
Current: $1,524 USD|Low: $505 USD|High: $1,534 USD|Avg: $819 USD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 5$606 USD
Retailer 6$656 USD
Retailer 8$665 USD
Retailer 11$668 USD
Retailer 10$670 USD
Retailer 3$788 USD
Retailer 9$795 USD
Retailer 2$833 USD
Retailer 7$942 USD
Retailer 4$961 USD
MOH London$1,524 USD

43 data points across 11 retailers

10 retailers$606 USD to $1,524 USD

A
Cheapest Retailer
-
$606 USD
Final sale: no returns
B+
Retailer 2
-
$656 USD
View
B+
Retailer 3
-
$665 USD
View
B+
Retailer 4
-
$670 USD
View
B+
Retailer 5
-
$788 USD
View
B+
Retailer 6
-
$795 USD
View
B+
Retailer 7
-
$833 USD
£656 GBP
View
B+
Retailer 8
-
$942 USD
View
B+
Retailer 9
-
$961 USD
ZAR 15,528 ZAR
View
Most Expensive
B
MOH London
709299161 · Oct 29
$1,524 USD
£1,200 GBP
View
9 more retailers have this diamond
Prices start from $606 USDSave up to $918 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
0.91ct Cushion
$606 USD