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Marquise|Lab Grown|IGI

1.05ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG811619626

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811619626

Diamond specifications and retailer prices

From $582 AUD
$409 USD
As of October 30, 2026
Save $2,592 AUD (82%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,175 AUD at Brilliant Earth · As of October 30, 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 E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811619626 or 811619626. Listed at 21 retailers as of October 30, 2026, with prices from $582 to $3,175, a $2,592 spread on the same certified stone. Brilliant Earth lists it at $3,175. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811619626
Dimensions10.92 × 5.27 × 3.25 mm
L/W Ratio2.07
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
10.92 mm5.27 mm1.05 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811619626
Side View
Table 60.0%Crown 32.4°Girdle: THN-STKPavilion 40.5°Culet: NoneDepth 61.7%

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: Oct 30
Current: $3,175 AUD|Low: $558 AUD|High: $3,175 AUD|Avg: $1,329 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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 31, 2026
Retailer 3$582 AUD
Retailer 9$652 AUD
Retailer 15$652 AUD
Retailer 16$722 AUD
Retailer 17$722 AUD
Retailer 14$897 AUD
Retailer 6$968 AUD
Retailer 8$1,039 AUD
Retailer 10$1,145 AUD
Retailer 12$1,146 AUD
Retailer 2$1,187 AUD
Retailer 13$1,240 AUD
Retailer 5$1,733 AUD
Retailer 7$1,911 AUD
Retailer 4$2,320 AUD
Retailer 11$2,835 AUD
Brilliant Earth$3,175 AUD

43 data points across 17 retailers

21 retailers$582 AUD to $3,175 AUD

A
Cheapest Retailer
-
$582 AUD
$409 USD
A
Retailer 2
-
$652 AUD
$458 USD
View
Final sale: no returns
A
Retailer 3
-
$652 AUD
$458 USD
View
A
Retailer 4
-
$722 AUD
$507 USD
View
A
Retailer 5
-
$722 AUD
$507 USD
View
A
Retailer 6
-
$897 AUD
$630 USD
View
A
Retailer 7
-
$957 AUD
$672 USD
View
A
Retailer 8
-
$968 AUD
$680 USD
View
B+
Retailer 9
-
$1,039 AUD
$730 USD
View
B+
Retailer 10
-
$1,145 AUD
€766 EUR
View
B+
Retailer 11
-
$1,146 AUD
View
B+
Retailer 12
-
$1,187 AUD
£656 GBP
View
B+
Retailer 13
-
$1,240 AUD
ZAR 14,073 ZAR
View
B
Retailer 14
-
$1,733 AUD
$1,217 USD
View
B
Retailer 15
-
$1,911 AUD
SGD 1,814 SGD
View
B
Retailer 16
-
$2,104 AUD
£1,164 GBP
View
B
Retailer 17
-
$2,320 AUD
$1,630 USD
View
B
Retailer 18
-
$2,370 AUD
$1,664 USD
View
B
Retailer 19
-
$2,648 AUD
$1,860 USD
View
B
Retailer 20
-
$2,835 AUD
£1,568 GBP
View
Most Expensive
B
Brilliant Earth
20986651A · Oct 30
$3,175 AUD
$2,230 USD
View
20 more retailers have this diamond
Prices start from $582 AUDSave up to $2,592 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
$582 AUD