Emerald|Natural|IGI

0.51ct J VS1 Emerald Natural Diamond

VG • J/VS1 • IGI 698519740

Shape and cutting style on the report: Emerald cut

Certificate IGI 698519740

Diamond specifications and retailer prices

From £337 GBP
As of November 4, 2026
Save £506 GBP (60%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £844 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 0.51ct natural emerald diamond

This 0.51ct natural emerald 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 698519740. Listed at 14 retailers as of November 2, 2026, with prices from £337 to £844, a £506 spread on the same certified stone. MOH London lists it at £844. 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
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle27.2°
Pavilion angle45.4°
OriginNatural
Grading LabIGI
CertificateIGI 698519740
Dimensions5.02 × 3.86 × 2.65 mm
L/W Ratio1.30
Culet sizeLarge
Top View
5.02 mm3.86 mm0.51 ctJ / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 698519740
Side View
Table 68.0%Crown 27.2°Girdle: STK-THKPavilion 45.4°Culet: LargeDepth 68.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £844 GBP|Low: £308 GBP|High: £1,400 GBP|Avg: £577 GBP|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 6£337 GBP
Retailer 10£366 GBP
Retailer 7£393 GBP
Retailer 8£398 GBP
Retailer 3£469 GBP
Retailer 5£516 GBP
Retailer 2£546 GBP
Retailer 4£566 GBP
MOH London£844 GBP
Retailer 9£1,400 GBP

25 data points across 10 retailers

14 retailers£337 GBP to £844 GBP

A
Cheapest Retailer
-
£337 GBP
Final sale: no returns
Retailer 2
-
£366 GBP
View
Price last confirmed 19 days ago
Retailer 3
-
£393 GBP
View
Price last confirmed 21 days ago
Retailer 4
-
£393 GBP
View
Price last confirmed 21 days ago
B+
Retailer 5
-
£393 GBP
View
Retailer 6
-
£421 GBP
View
Price last confirmed 19 days ago
B+
Retailer 7
-
£421 GBP
View
B
Retailer 8
-
£462 GBP
View
B
Retailer 9
-
£469 GBP
View
B
Retailer 10
-
£516 GBP
View
B
Retailer 11
-
£546 GBP
View
B
Retailer 12
-
£566 GBP
View
Most Expensive
B
MOH London
0F4A78F73 · Nov 2
£844 GBP
View
12 more retailers have this diamond
Prices start from £337 GBPSave up to £506 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 Emerald
£337 GBP