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Marquise|Lab Grown|IGI

1.29ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG801689089

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG801689089

Diamond specifications and retailer prices

From $840 AUD
As of November 4, 2026
Save $2,274 AUD (73%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,636 AUD at Rare Carat · As of October 28, 2026
View at Rare Carat

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 LG801689089 or 801689089. Listed at 13 retailers as of November 4, 2026, with a 271% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle37°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801689089
Dimensions11.07 × 5.70 × 3.62 mm
L/W Ratio1.94
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
11.07 mm5.70 mm1.29 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801689089
Side View
Table 58.0%Crown 37°Girdle: MED-THKPavilion 40.1°Culet: NoneDepth 63.5%

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 4
Current: $3,636 AUD|Low: $840 AUD|High: $4,885 AUD|Avg: $2,315 AUD|-1.4%
Rare Carat
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 9$840 AUD
Retailer 11$900 AUD
Retailer 2$984 AUD
Retailer 7$1,136 AUD
Retailer 5$1,193 AUD
Retailer 12$1,458 AUD
Retailer 4$1,481 AUD
Retailer 3$1,661 AUD
Retailer 13$2,271 AUD
Retailer 8$2,481 AUD
Retailer 6$2,767 AUD
Retailer 10$3,114 AUD
Rare Carat$3,636 AUD

41 data points across 13 retailers

13 retailers$840 AUD to $3,114 AUD

A
Cheapest Retailer
-
$840 AUD
A
Retailer 2
-
$900 AUD
View
A
Retailer 3
-
$984 AUD
View
A
Retailer 4
-
$1,136 AUD
View
A
Retailer 5
-
$1,193 AUD
View
A
Retailer 6
-
$1,458 AUD
View
Retailer 7
-
$1,481 AUD
View
Price last confirmed 7 days ago
B+
Retailer 8
-
$1,661 AUD
View
B+
Retailer 9
-
$2,271 AUD
View
B+
Retailer 10
-
$2,481 AUD
View
B+
Retailer 11
-
$2,767 AUD
View
B
Retailer 12
-
$3,114 AUD
View
Most Expensive
Rare Carat
4033-U · Oct 28
$3,636 AUD
$2,545 USD
View
Price last confirmed 8 days ago
12 more retailers have this diamond
Prices start from $840 AUDSave up to $2,274 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
$840 AUD