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Round|Lab Grown|IGI

1.23ct F VS2 Round Lab Grown Diamond

ID • F/VS2 • IGI LG818644630

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818644630

Diamond specifications and retailer prices

From $326 NZD
As of November 3, 2026
Save $1,566 NZD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,893 NZD at MOH London · As of November 2, 2026
View at MOH London

About this 1.23ct lab-grown round diamond

This 1.23ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818644630 or 818644630. Listed at 19 retailers as of November 2, 2026, with prices from $326 to $1,893, a $1,566 spread on the same certified stone. MOH London lists it at $1,893. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818644630
Dimensions6.92 × 6.88 × 4.22 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.92 mm6.88 mm1.23 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818644630
Side View
Table 58.0%Crown 33.6°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.0%

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 3
Current: $1,893 NZD|Low: $314 NZD|High: $1,915 NZD|Avg: $793 NZD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 4, 2026
Retailer 9$326 NZD
Retailer 13$365 NZD
Retailer 3$378 NZD
Retailer 5$404 NZD
Retailer 12$404 NZD
Retailer 10$546 NZD
Retailer 7$722 NZD
Retailer 8$749 NZD
Retailer 2$807 NZD
Retailer 4$1,300 NZD
Retailer 11$1,313 NZD
Retailer 6$1,375 NZD
MOH London$1,893 NZD

43 data points across 13 retailers

19 retailers$326 NZD to $1,893 NZD

A
Cheapest Retailer
-
$326 NZD
A
Retailer 2
-
$365 NZD
View
Final sale: no returns
A
Retailer 3
-
$378 NZD
View
A
Retailer 4
-
$404 NZD
View
Retailer 5
-
$404 NZD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$454 NZD
View
B+
Retailer 7
-
$546 NZD
View
B+
Retailer 8
-
$718 NZD
View
A
Retailer 9
-
$722 NZD
View
B+
Retailer 10
-
$749 NZD
View
B+
Retailer 11
-
$807 NZD
View
B+
Retailer 12
-
$1,034 NZD
View
B
Retailer 13
-
$1,300 NZD
View
B
Retailer 14
-
$1,313 NZD
View
B
Retailer 15
-
$1,320 NZD
View
B
Retailer 16
-
$1,352 NZD
View
B
Retailer 17
-
$1,375 NZD
View
B
Retailer 18
-
$1,396 NZD
View
Most Expensive
B
MOH London
LG818644630 · Nov 2
$1,893 NZD
£840 GBP
View
18 more retailers have this diamond
Prices start from $326 NZDSave up to $1,566 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
$326 NZD