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Asscher|Natural|IGI

0.51ct E SI2 Asscher Natural Diamond

VG • E/SI2 • IGI 692555163

Shape and cutting style on the report: Square emerald cut

Certificate IGI 692555163

Diamond specifications and retailer prices

From £251 GBP
As of November 5, 2026
Save £1,063 GBP (81%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,314 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.51ct natural asscher diamond

This 0.51ct natural asscher sits in the half to three-quarter carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 692555163. Listed at 7 retailers as of November 5, 2026, with prices from £251 to £1,314, a £1,063 spread on the same certified stone. NZ Jewellers lists it at £1,314. 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

0.51
Carat
E
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle41.6°
Pavilion angle39.8°
OriginNatural
Grading LabIGI
CertificateIGI 692555163
Dimensions4.38 × 4.17 × 2.87 mm
L/W Ratio1.05
Culet sizePointed
Top View
4.38 mm4.17 mm0.51 ctE / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 692555163
Side View
Table 64.0%Crown 41.6°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 68.8%

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 5
Current: £1,314 GBP|Low: £251 GBP|High: £1,361 GBP|Avg: £590 GBP|-3.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 3£251 GBP
Retailer 8£392 GBP
Retailer 4£429 GBP
Retailer 7£440 GBP
Retailer 6£481 GBP
Retailer 2£515 GBP
Retailer 5£792 GBP
NZ Jewellers£1,314 GBP

44 data points across 8 retailers

7 retailers£251 GBP to £1,314 GBP

A
Cheapest Retailer
-
£251 GBP
B+
Retailer 2
-
£429 GBP
View
B+
Retailer 3
-
£440 GBP
View
B+
Retailer 4
-
£481 GBP
View
B
Retailer 5
-
£515 GBP
View
Retailer 6
-
£792 GBP
View
Price last confirmed 11 days ago
Most Expensive
C
NZ Jewellers
11d70398-33e2-43da-aaae-10ffda4f300b · Nov 5
£1,314 GBP
$1,769 USD
View
6 more retailers have this diamond
Prices start from £251 GBPSave up to £1,063 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
0.51ct Asscher
£251 GBP