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Marquise|Lab Grown|IGI

1.29ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG800680019

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800680019

Diamond specifications and retailer prices

From $731 AUD
As of November 4, 2026
Save $3,292 AUD (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,024 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1.29ct lab-grown marquise diamond

This 1.29ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800680019 or 800680019. Listed at 13 retailers as of November 1, 2026, with prices from $731 to $4,024, a $3,292 spread on the same certified stone. MOH London lists it at $4,024. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800680019
Dimensions11.17 × 5.68 × 3.56 mm
L/W Ratio1.97
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
11.17 mm5.68 mm1.29 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800680019
Side View
Table 59.0%Crown 34.7°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
A+
Exceptional
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 4
Current: $4,024 AUD|Low: $731 AUD|High: $4,943 AUD|Avg: $2,303 AUD|-16.4%
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 7$731 AUD
Retailer 9$900 AUD
Retailer 6$1,136 AUD
Retailer 4$1,261 AUD
Retailer 2$1,283 AUD
Retailer 11$1,458 AUD
Retailer 13$1,481 AUD
Retailer 5$1,697 AUD
Retailer 12$2,106 AUD
Retailer 10$2,448 AUD
Retailer 8$3,471 AUD
Retailer 3$3,664 AUD
MOH London$4,024 AUD

42 data points across 13 retailers

13 retailers$731 AUD to $4,024 AUD

A+
Cheapest Retailer
-
$731 AUD
A
Retailer 2
-
$900 AUD
View
A
Retailer 3
-
$1,136 AUD
View
A
Retailer 4
-
$1,261 AUD
View
A
Retailer 5
-
$1,283 AUD
View
A
Retailer 6
-
$1,458 AUD
View
Retailer 7
-
$1,481 AUD
View
Price last confirmed 7 days ago
B+
Retailer 8
-
$1,697 AUD
View
B+
Retailer 9
-
$2,106 AUD
View
B+
Retailer 10
-
$2,448 AUD
View
B
Retailer 11
-
$3,471 AUD
View
Retailer 12
-
$3,664 AUD
View
Price last confirmed 15 days ago
Most Expensive
B
MOH London
LG800680019 · Nov 1
$4,024 AUD
£2,218 GBP
View
12 more retailers have this diamond
Prices start from $731 AUDSave up to $3,292 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+
1.29ct Marquise
$731 AUD