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Marquise|Lab Grown|IGI

1.23ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG758554277

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG758554277

Diamond specifications and retailer prices

From $627 AUD
As of November 4, 2026
Save $1,062 AUD (63%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,689 AUD at MOH London · As of November 5, 2026
View at MOH London

About this 1.23ct lab-grown marquise diamond

This 1.23ct lab-grown marquise sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG758554277 or 758554277. Listed at 7 retailers as of November 4, 2026, with prices from $627 to $1,689, a $1,062 spread on the same certified stone. MOH London lists it at $1,689. 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG758554277
Dimensions10.82 × 5.72 × 3.49 mm
L/W Ratio1.89
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.82 mm5.72 mm1.23 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG758554277
Side View
Table 61.0%Crown 36.4°Girdle: MED-STKPavilion 39.5°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 4
Current: $1,689 AUD|Low: $604 AUD|High: $1,711 AUD|Avg: $903 AUD|+13.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 6$627 AUD
Retailer 4$649 AUD
Retailer 2$659 AUD
Retailer 5$711 AUD
Retailer 3$964 AUD
Retailer 7$1,240 AUD
MOH London$1,689 AUD

42 data points across 7 retailers

7 retailers$627 AUD to $1,689 AUD

A
Cheapest Retailer
-
$627 AUD
A
Retailer 2
-
$649 AUD
View
A
Retailer 3
-
$659 AUD
View
A
Retailer 4
-
$711 AUD
View
B+
Retailer 5
-
$964 AUD
View
B
Retailer 6
-
$1,240 AUD
View
Most Expensive
B
MOH London
LG758554277 · Nov 5
$1,689 AUD
£931 GBP
View
6 more retailers have this diamond
Prices start from $627 AUDSave up to $1,062 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 Marquise
$627 AUD