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Asscher|Natural|IGI

1.00ct I SI1 Asscher Natural Diamond

VG • I/SI1 • IGI 774694578

Shape and cutting style on the report: Square emerald cut

Certificate IGI 774694578

Diamond specifications and retailer prices

From £818 GBP
$1,098 USD
As of November 2, 2026
Save £1,344 GBP (62%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,163 GBP 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 774694578. Listed at 11 retailers as of October 30, 2026, with prices from £818 to £2,163, a £1,344 spread on the same certified stone. NZ Jewellers lists it at £2,163. 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 angle40.6°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 774694578
Dimensions5.48 × 5.26 × 3.66 mm
L/W Ratio1.04
Top View
5.48 mm5.26 mm1.00 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 774694578
Side View
Table 66.0%Crown 40.6°Girdle: ThickPavilion 41°CuletDepth 69.6%

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 2
Current: £2,163 GBP|Low: £750 GBP|High: £2,163 GBP|Avg: £1,140 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 7£818 GBP
Retailer 4£865 GBP
Retailer 10£887 GBP
Retailer 8£921 GBP
Retailer 9£962 GBP
Retailer 5£980 GBP
Retailer 3£987 GBP
Retailer 11£1,023 GBP
Retailer 6£1,082 GBP
Retailer 2£1,624 GBP
NZ Jewellers£2,163 GBP

33 data points across 11 retailers

11 retailers£818 GBP to £2,163 GBP

B+
Cheapest Retailer
-
£818 GBP
$1,098 USD
Final sale: no returns
A
Retailer 2
-
£865 GBP
View
B+
Retailer 3
-
£887 GBP
$1,190 USD
View
B+
Retailer 4
-
£921 GBP
$1,236 USD
View
B+
Retailer 5
-
£962 GBP
$1,291 USD
View
B+
Retailer 6
-
£980 GBP
$1,315 USD
View
B+
Retailer 7
-
£987 GBP
$1,324 USD
View
B+
Retailer 8
-
£1,023 GBP
$1,373 USD
View
B+
Retailer 9
-
£1,082 GBP
ZAR 23,462 ZAR
View
B+
Retailer 10
-
£1,624 GBP
View
Most Expensive
B
NZ Jewellers
11b9fa4f-b6fc-4584-a25c-bc1d190ffef8 · Oct 30
£2,163 GBP
$2,902 USD
View
10 more retailers have this diamond
Prices start from £818 GBPSave up to £1,344 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
£818 GBP