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Cushion|Natural|IGI

1.35ct D SI1 Cushion Natural Diamond

VG • D/SI1 • IGI 799678562

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI 799678562

Diamond specifications and retailer prices

From $5,209 AUD
As of November 6, 2026
Save $5,196 AUD (50%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $10,404 AUD at MOH London · As of November 2, 2026
View at MOH London

About this 1.35ct natural cushion diamond

This 1.35ct natural cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 799678562. Listed at 9 retailers as of November 2, 2026, with prices from $5,209 to $10,404, a $5,196 spread on the same certified stone. MOH London lists it at $10,404. 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

1.35
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle39.8°
Pavilion angle35.4°
OriginNatural
Grading LabIGI
CertificateIGI 799678562
Dimensions8.14 × 5.29 × 3.63 mm
L/W Ratio1.54
Girdle conditionFaceted
Top View
8.14 mm5.29 mm1.35 ctD / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateIGI 799678562
Side View
Table 64.0%Crown 39.8°Girdle: STK-ETKPavilion 35.4°CuletDepth 68.6%

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 6
Current: $10,404 AUD|Low: $5,209 AUD|High: $10,404 AUD|Avg: $7,029 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 9$5,209 AUD
Retailer 8$5,308 AUD
Retailer 7$5,640 AUD
Retailer 6$5,899 AUD
Retailer 2$6,337 AUD
Retailer 4$6,741 AUD
Retailer 3$7,351 AUD
Retailer 5$7,970 AUD
Retailer 10$9,830 AUD
MOH London$10,404 AUD

8 data points across 10 retailers

9 retailers$5,209 AUD to $10,404 AUD

A
Cheapest Retailer
-
$5,209 AUD
A
Retailer 2
-
$5,308 AUD
View
B+
Retailer 3
-
$5,640 AUD
View
B+
Retailer 4
-
$5,899 AUD
View
B+
Retailer 5
-
$6,337 AUD
View
B+
Retailer 6
-
$6,741 AUD
View
B+
Retailer 7
-
$7,351 AUD
View
B
Retailer 8
-
$7,970 AUD
View
Most Expensive
B
MOH London
7D8B77005 · Nov 2
$10,404 AUD
£5,629 GBP
View
8 more retailers have this diamond
Prices start from $5,209 AUDSave up to $5,196 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.

A
1.35ct Cushion
$5,209 AUD