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Marquise|Lab Grown|IGI

1.09ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG780663044

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG780663044

Diamond specifications and retailer prices

From $601 AUD
HK$3,300 HKD
As of October 31, 2026
Save $2,410 AUD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,011 AUD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.09ct lab-grown marquise diamond

This 1.09ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780663044 or 780663044. Listed at 13 retailers as of October 28, 2026, with prices from $601 to $3,011, a $2,410 spread on the same certified stone. Rare Carat lists it at $3,011. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780663044
Dimensions10.51 × 5.36 × 3.40 mm
L/W Ratio1.96
Girdle conditionFaceted
Culet sizePointed
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
10.51 mm5.36 mm1.09 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780663044
Side View
Table 57.0%Crown 36.2°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 63.4%

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: Oct 31
Current: $3,011 AUD|Low: $601 AUD|High: $3,692 AUD|Avg: $1,551 AUD|-1.6%
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
October 31, 2026
Retailer 10$601 AUD
Retailer 4$615 AUD
Retailer 13$720 AUD
Retailer 7$726 AUD
Retailer 11$730 AUD
Retailer 8$748 AUD
Retailer 2$827 AUD
Retailer 12$956 AUD
Retailer 3$1,643 AUD
Retailer 9$1,747 AUD
Retailer 5$2,212 AUD
Retailer 6$2,278 AUD
Rare Carat$3,011 AUD

42 data points across 13 retailers

13 retailers$601 AUD to $3,011 AUD

A
Cheapest Retailer
-
$601 AUD
HK$3,300 HKD
A
Retailer 2
-
$615 AUD
$432 USD
View
A
Retailer 3
-
$720 AUD
$506 USD
View
A
Retailer 4
-
$726 AUD
€486 EUR
View
A
Retailer 5
-
$730 AUD
$513 USD
View
A
Retailer 6
-
$748 AUD
ZAR 8,488 ZAR
View
A
Retailer 7
-
$827 AUD
£457 GBP
View
Retailer 8
-
$956 AUD
$671 USD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$1,643 AUD
$1,154 USD
View
B+
Retailer 10
-
$1,747 AUD
£966 GBP
View
B
Retailer 11
-
$2,212 AUD
$1,554 USD
View
B
Retailer 12
-
$2,278 AUD
$1,600 USD
View
Most Expensive
B
Rare Carat
53141 · Oct 28
$3,011 AUD
$2,115 USD
View
12 more retailers have this diamond
Prices start from $601 AUDSave up to $2,410 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
1.09ct Marquise
$601 AUD