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Round|Lab Grown|IGI

1.23ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG782626897

Shape and cutting style on the report: Round brilliant

Certificate IGI LG782626897

Diamond specifications and retailer prices

From $252 AUD
As of November 3, 2026
Save $1,203 AUD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,456 AUD at MOH London · As of November 5, 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG782626897 or 782626897. Listed at 16 retailers as of November 3, 2026, with prices from $252 to $1,456, a $1,203 spread on the same certified stone. MOH London lists it at $1,456. 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 angle34.9°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG782626897
Dimensions6.89 × 6.84 × 4.22 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.89 mm6.84 mm1.23 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG782626897
Side View
Table 60.0%Crown 34.9°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.5%

Caratlytics Score

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

Price History

Last verified: Nov 3
Current: $1,456 AUD|Low: $242 AUD|High: $1,477 AUD|Avg: $742 AUD|-0.4%
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 5, 2026
Retailer 10$252 AUD
Retailer 12$312 AUD
Retailer 11$421 AUD
Retailer 7$539 AUD
Retailer 8$580 AUD
Retailer 5$592 AUD
Retailer 2$727 AUD
Retailer 6$760 AUD
Retailer 13$774 AUD
Retailer 3$1,018 AUD
Retailer 9$1,061 AUD
Retailer 4$1,081 AUD
MOH London$1,456 AUD

29 data points across 13 retailers

16 retailers$252 AUD to $1,456 AUD

A
Cheapest Retailer
-
$252 AUD
A
Retailer 2
-
$292 AUD
View
A
Retailer 3
-
$312 AUD
View
Retailer 4
-
$312 AUD
View
Price last confirmed 11 days ago
B+
Retailer 5
-
$421 AUD
View
A
Retailer 6
-
$539 AUD
View
A
Retailer 7
-
$580 AUD
View
A
Retailer 8
-
$592 AUD
View
B+
Retailer 9
-
$727 AUD
View
B+
Retailer 10
-
$760 AUD
View
B+
Retailer 11
-
$774 AUD
View
B+
Retailer 12
-
$1,004 AUD
View
B+
Retailer 13
-
$1,018 AUD
View
B
Retailer 14
-
$1,061 AUD
View
B
Retailer 15
-
$1,081 AUD
View
Most Expensive
B
MOH London
LG782626897 · Nov 5
$1,456 AUD
£804 GBP
View
15 more retailers have this diamond
Prices start from $252 AUDSave up to $1,203 AUD

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
$252 AUD