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Oval|Lab Grown|IGI

1.23ct H VS1 Oval Lab Grown Diamond

ID • H/VS1 • IGI LG783608852

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG783608852

Diamond specifications and retailer prices

From $523 NZD
As of November 4, 2026
Save $1,288 NZD (71%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,811 NZD at MOH London · As of November 5, 2026
View at MOH London

About this 1.23ct lab-grown oval diamond

This 1.23ct lab-grown oval sits in the classic one-carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG783608852 or 783608852. Listed at 4 retailers as of November 4, 2026, with prices from $523 to $1,811, a $1,288 spread on the same certified stone. MOH London lists it at $1,811. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783608852
Dimensions8.21 × 5.96 × 3.86 mm
L/W Ratio1.38
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.21 mm5.96 mm1.23 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783608852
Side View
Table 58.0%Crown 37.6°Girdle: MED-THKPavilion 40.3°Culet: NoneDepth 64.8%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: $1,811 NZD|Low: $523 NZD|High: $1,811 NZD|Avg: $1,109 NZD
MOH London
Retailer 2
Retailer 3
November 5, 2026
Retailer 3$523 NZD
Retailer 2$1,345 NZD
MOH London$1,811 NZD

2 data points across 3 retailers

4 retailers$523 NZD to $1,811 NZD

B+
Cheapest Retailer
-
$523 NZD
B
Retailer 2
-
$1,206 NZD
View
B
Retailer 3
-
$1,345 NZD
View
Most Expensive
B
MOH London
LG783608852 · Nov 5
$1,811 NZD
£804 GBP
View
3 more retailers have this diamond
Prices start from $523 NZDSave up to $1,288 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.

B+
1.23ct Oval
$523 NZD