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Asscher|Natural|IGI

1.00ct E SI1 Asscher Natural Diamond

VG • E/SI1 • IGI 700529268

Shape and cutting style on the report: Square emerald cut

Certificate IGI 700529268

Diamond specifications and retailer prices

From £1,056 GBP
$1,406 USD
As of October 28, 2026
Save £1,735 GBP (62%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £2,791 GBP at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1ct natural asscher diamond

This 1ct natural asscher sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 700529268. Listed at 16 retailers as of October 27, 2026, with prices from £1,056 to £2,791, a £1,735 spread on the same certified stone. NZ Jewellers lists it at £2,791. 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
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceStrong
Crown angle38.2°
Pavilion angle41.4°
OriginNatural
Grading LabIGI
CertificateIGI 700529268
Dimensions5.31 × 5.13 × 3.72 mm
L/W Ratio1.04
Culet sizePointed
Top View
5.31 mm5.13 mm1.00 ctE / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateIGI 700529268
Side View
Table 68.0%Crown 38.2°Girdle: STK-THKPavilion 41.4°Culet: NoneDepth 72.5%

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 28
Current: £1,294 GBP|Low: £1,056 GBP|High: £2,028 GBP|Avg: £1,268 GBP|+4.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 8£1,056 GBP
Retailer 11£1,061 GBP
Retailer 3£1,063 GBP
Retailer 7£1,074 GBP
Retailer 10£1,141 GBP
Retailer 2£1,190 GBP
Retailer 9£1,196 GBP
Retailer 5£1,262 GBP
Retailer 1£1,294 GBP
Retailer 6£1,393 GBP
Retailer 4£2,015 GBP

38 data points across 11 retailers

16 retailers£1,056 GBP to £2,791 GBP

A
Cheapest Retailer
-
£1,056 GBP
$1,406 USD
Final sale: no returns
A
Retailer 2
-
£1,061 GBP
$1,413 USD
View
A
Retailer 3
-
£1,063 GBP
$1,415 USD
View
A
Retailer 4
-
£1,074 GBP
$1,430 USD
View
B+
Retailer 5
-
£1,141 GBP
$1,520 USD
View
B+
Retailer 6
-
£1,144 GBP
$1,524 USD
View
B+
Retailer 7
-
£1,144 GBP
$1,524 USD
View
B+
Retailer 8
-
£1,190 GBP
A$2,438 AUD
View
B+
Retailer 9
-
£1,196 GBP
$1,593 USD
View
B+
Retailer 10
-
£1,197 GBP
$1,594 USD
View
A
Retailer 11
-
£1,262 GBP
View
B+
Retailer 12
-
£1,294 GBP
View
B+
Retailer 13
-
£1,320 GBP
$1,758 USD
View
B+
Retailer 14
-
£1,393 GBP
ZAR 29,973 ZAR
View
B+
Retailer 15
-
£2,015 GBP
View
Most Expensive
B
NZ Jewellers
cc479a98-112f-40c5-9a31-5137a589b436 · Oct 27
£2,791 GBP
$3,717 USD
View
15 more retailers have this diamond
Prices start from £1,056 GBPSave up to £1,735 GBP

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
£1,056 GBP