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1.23ct J VVS1 Round Natural Diamond

EX • J/VVS1 • IGI 803629440

Shape and cutting style on the report: Round brilliant

Certificate IGI 803629440

Diamond specifications and retailer prices

From $5,273 NZD
As of November 7, 2026
3 retailers carry this diamond
Most expensive: $9,212 NZD at MOH London · As of October 8, 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI 803629440. Listed at 3 retailers as of November 7, 2026. 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.4°
OriginNatural
Grading LabIGI
CertificateIGI 803629440
Dimensions6.80 × 6.84 × 4.20 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.80 mm6.84 mm1.23 ctJ / VVS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 803629440
Side View
Table 58.0%Crown 36.1°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 7
Current: $9,212 NZD|Low: $4,194 NZD|High: $9,441 NZD|Avg: $5,929 NZD|-1.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 8, 2026
Retailer 4$4,208 NZD
Retailer 11$4,912 NZD
Retailer 7$5,087 NZD
Retailer 3$5,273 NZD
Retailer 9$5,484 NZD
Retailer 8$5,715 NZD
Retailer 5$5,821 NZD
Retailer 6$5,975 NZD
Retailer 2$6,425 NZD
Retailer 10$6,613 NZD
MOH London$9,212 NZD

16 data points across 11 retailers

3 retailers

A
Cheapest Retailer
-
$5,273 NZD
Retailer 2
-
$6,613 NZD
View
Price last confirmed 38 days ago
Most Expensive
MOH London
87C404D95 · Oct 8
$9,212 NZD
£4,021 GBP
View
Price last confirmed 30 days ago
2 more retailers have this diamond
Prices start from $5,273 NZD

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
$5,273 NZD