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1.23ct J VVS2 Round Natural Diamond

EX • J/VVS2 • IGI 809612858

Shape and cutting style on the report: Round brilliant

Certificate IGI 809612858

Diamond specifications and retailer prices

From £1,620 GBP
As of November 6, 2026
Save £1,365 GBP (46%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £2,985 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.23ct natural round diamond

This 1.23ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI 809612858. Listed at 4 retailers as of November 4, 2026, with prices from £1,620 to £2,985, a £1,365 spread on the same certified stone. MOH London lists it at £2,985. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
J
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle36.4°
Pavilion angle41.3°
OriginNatural
Grading LabIGI
CertificateIGI 809612858
Dimensions6.79 × 6.83 × 4.31 mm
L/W Ratio1.01
Girdle conditionPARTLY FACETED
Top View
6.79 mm6.83 mm1.23 ctJ / VVS2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateIGI 809612858
Side View
Table 58.0%Crown 36.4°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 63.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £2,985 GBP|Low: £1,598 GBP|High: £3,028 GBP|Avg: £2,152 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 5, 2026
Retailer 4£1,620 GBP
Retailer 3£1,877 GBP
Retailer 2£2,116 GBP
MOH London£2,985 GBP

38 data points across 4 retailers

4 retailers£1,620 GBP to £2,985 GBP

A
Cheapest Retailer
-
£1,620 GBP
A
Retailer 2
-
£1,877 GBP
View
A
Retailer 3
-
£2,116 GBP
View
Most Expensive
B
MOH London
D9AD1DD6C · Nov 4
£2,985 GBP
View
3 more retailers have this diamond
Prices start from £1,620 GBPSave up to £1,365 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
1.23ct Round
£1,620 GBP