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 $944 USD
SGD 1,276 SGD
As of October 31, 2026
Save $2,175 USD (70%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $3,119 USD 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 $944 to $3,119, a $2,175 spread on the same certified stone. NZ Jewellers lists it at $3,119. 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
Color
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: $3,119 USD|Low: $871 USD|High: $3,119 USD|Avg: $1,413 USD|+22.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 5$944 USD
Retailer 3$970 USD
Retailer 10$995 USD
Retailer 7$1,033 USD
Retailer 8$1,045 USD
Retailer 6$1,066 USD
Retailer 2$1,087 USD
Retailer 9$1,607 USD
Retailer 4$1,822 USD
NZ Jewellers$3,119 USD

46 data points across 10 retailers

8 retailers$944 USD to $3,119 USD

B+
Cheapest Retailer
-
$944 USD
SGD 1,276 SGD
A
Retailer 2
-
$970 USD
£764 GBP
View
Retailer 3
-
$1,033 USD
View
Price last confirmed 7 days ago
B+
Retailer 4
-
$1,045 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,066 USD
View
B+
Retailer 6
-
$1,087 USD
View
B+
Retailer 7
-
$1,822 USD
£1,435 GBP
View
Most Expensive
B
NZ Jewellers
d713328c-2622-4cec-b295-bccb162d54d7 · Oct 30
$3,119 USD
View
7 more retailers have this diamond
Prices start from $944 USDSave up to $2,175 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
1.00ct Asscher
$944 USD