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Cushion|Natural|IGI

1.00ct I SI2 Cushion Natural Diamond

VG • I/SI2 • IGI 700529276

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 700529276

Diamond specifications and retailer prices

From $2,233 AUD
As of November 4, 2026
Save $3,745 AUD (63%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,977 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural cushion diamond

This 1ct natural cushion sits in the classic one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 700529276. Listed at 12 retailers as of November 4, 2026, with prices from $2,233 to $5,977, a $3,745 spread on the same certified stone. NZ Jewellers lists it at $5,977. 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

1.00
Carat
I
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.5°
Pavilion angle39.9°
OriginNatural
Grading LabIGI
CertificateIGI 700529276
Dimensions9.49 × 5.21 × 3.40 mm
L/W Ratio1.82
Girdle conditionFaceted
Culet sizePointed
Top View
9.49 mm5.21 mm1.00 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 700529276
Side View
Table 62.0%Crown 38.5°Girdle: STK-THKPavilion 39.9°Culet: NoneDepth 65.3%

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 4
Current: $2,409 AUD|Low: $1,720 AUD|High: $4,555 AUD|Avg: $2,794 AUD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 4$1,720 AUD
Retailer 2$2,233 AUD
Retailer 9$2,262 AUD
Retailer 11$2,300 AUD
Retailer 10$2,407 AUD
Retailer 1$2,409 AUD
Retailer 7$2,451 AUD
Retailer 8$2,564 AUD
Retailer 12$2,649 AUD
Retailer 6$3,333 AUD
Retailer 5$4,280 AUD
Retailer 3$4,491 AUD

20 data points across 12 retailers

12 retailers$2,233 AUD to $5,977 AUD

B+
Cheapest Retailer
-
$2,233 AUD
B+
Retailer 2
-
$2,262 AUD
View
Final sale: no returns
B+
Retailer 3
-
$2,300 AUD
View
B+
Retailer 4
-
$2,407 AUD
View
A
Retailer 5
-
$2,409 AUD
View
Retailer 6
-
$2,451 AUD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$2,451 AUD
View
B+
Retailer 8
-
$2,564 AUD
View
B+
Retailer 9
-
$2,649 AUD
View
B
Retailer 10
-
$3,333 AUD
View
B
Retailer 11
-
$4,280 AUD
View
Most Expensive
C
NZ Jewellers
d5326691-ab70-421c-99a5-6186438f3b47 · Nov 5
$5,977 AUD
$4,107 USD
View
11 more retailers have this diamond
Prices start from $2,233 AUDSave up to $3,745 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
1.00ct Cushion
$2,233 AUD