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Asscher|Natural|IGI

0.51ct J VS1 Asscher Natural Diamond

VG • J/VS1 • IGI 749531601

Shape and cutting style on the report: Square emerald cut

Certificate IGI 749531601

Diamond specifications and retailer prices

From £431 GBP
As of November 6, 2026
Save £347 GBP (45%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £778 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 0.51ct natural asscher diamond

This 0.51ct natural asscher sits in the half to three-quarter carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 749531601. Listed at 5 retailers as of November 4, 2026, with prices from £431 to £778, a £347 spread on the same certified stone. MOH London lists it at £778. 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
J
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle31.1°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 749531601
Dimensions4.52 × 4.30 × 2.99 mm
L/W Ratio1.05
Culet sizePointed
Top View
4.52 mm4.30 mm0.51 ctJ / VS1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateIGI 749531601
Side View
Table 66.0%Crown 31.1°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 69.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £778 GBP|Low: £406 GBP|High: £808 GBP|Avg: £538 GBP|-2.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 3£431 GBP
Retailer 5£434 GBP
Retailer 2£507 GBP
Retailer 4£522 GBP
MOH London£778 GBP

43 data points across 5 retailers

5 retailers£431 GBP to £778 GBP

B+
Cheapest Retailer
-
£431 GBP
B+
Retailer 2
-
£434 GBP
View
B+
Retailer 3
-
£507 GBP
View
B
Retailer 4
-
£522 GBP
View
Most Expensive
B
MOH London
A090B25F6 · Nov 4
£778 GBP
View
4 more retailers have this diamond
Prices start from £431 GBPSave up to £347 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.

B+
0.51ct Asscher
£431 GBP