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Marquise|Lab Grown|IGI

1.28ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG769673857

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG769673857

Diamond specifications and retailer prices

From $307 AUD
As of November 4, 2026
Save $1,219 AUD (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,526 AUD at MOH London · As of November 5, 2026
View at MOH London

About this 1.28ct lab-grown marquise diamond

This 1.28ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG769673857 or 769673857. Listed at 21 retailers as of November 4, 2026, with prices from $307 to $1,526, a $1,219 spread on the same certified stone. MOH London lists it at $1,526. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG769673857
Dimensions11.49 × 5.72 × 3.47 mm
L/W Ratio2.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.49 mm5.72 mm1.28 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG769673857
Side View
Table 59.0%Crown 33.7°Girdle: THN-MEDPavilion 40.4°Culet: NoneDepth 60.7%

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: $1,526 AUD|Low: $296 AUD|High: $1,548 AUD|Avg: $794 AUD|-1.2%
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
Retailer 14
Retailer 15
Retailer 16
November 5, 2026
Retailer 15$307 AUD
Retailer 7$357 AUD
Retailer 3$381 AUD
Retailer 6$381 AUD
Retailer 4$459 AUD
Retailer 13$633 AUD
Retailer 12$659 AUD
Retailer 9$700 AUD
Retailer 16$796 AUD
Retailer 10$933 AUD
Retailer 8$979 AUD
Retailer 11$1,001 AUD
Retailer 14$1,041 AUD
Retailer 5$1,227 AUD
Retailer 2$1,429 AUD
MOH London$1,526 AUD

36 data points across 16 retailers

21 retailers$307 AUD to $1,526 AUD

A
Cheapest Retailer
-
$307 AUD
A
Retailer 2
-
$357 AUD
View
A
Retailer 3
-
$381 AUD
View
Retailer 4
-
$381 AUD
View
Price last confirmed 12 days ago
B+
Retailer 5
-
$514 AUD
View
Retailer 6
-
$633 AUD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$659 AUD
View
A
Retailer 8
-
$699 AUD
View
A
Retailer 9
-
$700 AUD
View
B+
Retailer 10
-
$796 AUD
View
B+
Retailer 11
-
$839 AUD
View
B+
Retailer 12
-
$933 AUD
View
B+
Retailer 13
-
$979 AUD
View
B+
Retailer 14
-
$1,001 AUD
View
Retailer 15
-
$1,041 AUD
View
Price last confirmed 10 days ago
B
Retailer 16
-
$1,227 AUD
View
B
Retailer 17
-
$1,301 AUD
View
B
Retailer 18
-
$1,309 AUD
View
B
Retailer 19
-
$1,429 AUD
View
B
Retailer 20
-
$1,480 AUD
View
Most Expensive
B
MOH London
LG769673857 · Nov 5
$1,526 AUD
£841 GBP
View
20 more retailers have this diamond
Prices start from $307 AUDSave up to $1,219 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
1.28ct Marquise
$307 AUD