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Marquise|Lab Grown|IGI

1.05ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG811619727

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811619727

Diamond specifications and retailer prices

From $749 AUD
$525 USD
As of November 3, 2026
Save $3,275 AUD (81%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $4,024 AUD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.05ct lab-grown marquise diamond

This 1.05ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811619727 or 811619727. Listed at 23 retailers as of November 2, 2026, with prices from $749 to $4,024, a $3,275 spread on the same certified stone. Brilliant Earth 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

1.05
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811619727
Dimensions10.42 × 5.42 × 3.29 mm
L/W Ratio1.92
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
10.42 mm5.42 mm1.05 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811619727
Side View
Table 61.0%Crown 32.7°Girdle: MED-STKPavilion 40.1°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 3
Current: $4,024 AUD|Low: $642 AUD|High: $4,024 AUD|Avg: $1,532 AUD
Brilliant Earth
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 3, 2026
Retailer 4$669 AUD
Retailer 5$830 AUD
Retailer 13$830 AUD
Retailer 8$854 AUD
Retailer 12$977 AUD
Retailer 3$1,113 AUD
Retailer 10$1,263 AUD
Retailer 11$1,269 AUD
Retailer 2$1,363 AUD
Retailer 9$1,431 AUD
Retailer 7$1,948 AUD
Retailer 6$3,048 AUD
Brilliant Earth$4,024 AUD

35 data points across 13 retailers

23 retailers$749 AUD to $4,024 AUD

Retailer 1
-
$669 AUD
$469 USD
Price last confirmed 26 days ago
A
Retailer 2
-
$749 AUD
$525 USD
View
Final sale: no returns
Retailer 3
-
$749 AUD
$525 USD
View
Price last confirmed 19 days ago
Retailer 4
-
$830 AUD
$582 USD
View
Price last confirmed 17 days ago
Retailer 5
-
$830 AUD
$582 USD
View
Price last confirmed 31 days ago
A
Retailer 6
-
$854 AUD
£471 GBP
View
B+
Retailer 7
-
$972 AUD
$681 USD
View
B+
Retailer 8
-
$977 AUD
$685 USD
View
B+
Retailer 9
-
$1,113 AUD
$780 USD
View
B+
Retailer 10
-
$1,139 AUD
$798 USD
View
B+
Retailer 11
-
$1,263 AUD
€843 EUR
View
B+
Retailer 12
-
$1,269 AUD
View
B+
Retailer 13
-
$1,363 AUD
£752 GBP
View
B+
Retailer 14
-
$1,431 AUD
ZAR 16,204 ZAR
View
B
Retailer 15
-
$1,948 AUD
$1,365 USD
View
B
Retailer 16
-
$2,192 AUD
SGD 2,076 SGD
View
B
Retailer 17
-
$2,414 AUD
£1,332 GBP
View
Retailer 18
-
$2,668 AUD
$1,870 USD
View
Price last confirmed 33 days ago
B
Retailer 19
-
$2,710 AUD
$1,899 USD
View
B
Retailer 20
-
$2,911 AUD
$2,040 USD
View
B
Retailer 21
-
$2,928 AUD
$2,052 USD
View
B
Retailer 22
-
$3,048 AUD
£1,682 GBP
View
Most Expensive
B
Brilliant Earth
20986532A · Nov 2
$4,024 AUD
$2,820 USD
View
22 more retailers have this diamond
Prices start from $749 AUDSave up to $3,275 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
1.05ct Marquise
$749 AUD