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Asscher|Natural|IGI

1.00ct I SI1 Asscher Natural Diamond

VG • I/SI1 • IGI 728551201

Shape and cutting style on the report: Square emerald cut

Certificate IGI 728551201

Diamond specifications and retailer prices

From $1,344 AUD
SGD 1,276 SGD
As of October 31, 2026
Save $3,096 AUD (70%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $4,440 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural asscher diamond

This 1ct natural asscher sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 728551201. Listed at 8 retailers as of October 30, 2026, with prices from $1,344 to $4,440, a $3,096 spread on the same certified stone. NZ Jewellers lists it at $4,440. 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
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle45°
Pavilion angle41.4°
OriginNatural
Grading LabIGI
CertificateIGI 728551201
Dimensions5.28 × 5.20 × 3.88 mm
L/W Ratio1.02
Culet sizePointed
Top View
5.28 mm5.20 mm1.00 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 728551201
Side View
Table 74.0%Crown 45°Girdle: ThickPavilion 41.4°Culet: NoneDepth 74.6%

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: Oct 31
Current: $4,440 AUD|Low: $1,240 AUD|High: $4,440 AUD|Avg: $2,089 AUD|+12.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 5$1,344 AUD
Retailer 7$1,471 AUD
Retailer 8$1,488 AUD
Retailer 2$1,509 AUD
Retailer 6$1,517 AUD
Retailer 3$1,547 AUD
Retailer 9$2,288 AUD
Retailer 4$2,594 AUD
NZ Jewellers$4,440 AUD

46 data points across 9 retailers

8 retailers$1,344 AUD to $4,440 AUD

B+
Cheapest Retailer
-
$1,344 AUD
SGD 1,276 SGD
Retailer 2
-
$1,471 AUD
$1,033 USD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$1,488 AUD
$1,045 USD
View
Final sale: no returns
A
Retailer 4
-
$1,509 AUD
£835 GBP
View
B+
Retailer 5
-
$1,517 AUD
$1,066 USD
View
B+
Retailer 6
-
$1,547 AUD
$1,087 USD
View
B+
Retailer 7
-
$2,594 AUD
£1,435 GBP
View
Most Expensive
B
NZ Jewellers
d713328c-2622-4cec-b295-bccb162d54d7 · Oct 30
$4,440 AUD
$3,119 USD
View
7 more retailers have this diamond
Prices start from $1,344 AUDSave up to $3,096 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 Asscher
$1,344 AUD