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Marquise|Lab Grown|IGI

1.04ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG630428922

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG630428922

Diamond specifications and retailer prices

From $419 AUD
$294 USD
As of October 30, 2026
Save $2,187 AUD (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,605 AUD at Brilliant Earth · As of October 24, 2026
View at Brilliant Earth

About this 1.04ct lab-grown marquise diamond

This 1.04ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG630428922 or 630428922. Listed at 22 retailers as of October 24, 2026, with prices from $419 to $2,605, a $2,187 spread on the same certified stone. Brilliant Earth lists it at $2,605. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.04
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG630428922
Dimensions10.28 × 5.31 × 3.36 mm
L/W Ratio1.94
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
10.28 mm5.31 mm1.04 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG630428922
Side View
Table 59.0%Crown 33.8°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.3%

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 30
Current: $2,605 AUD|Low: $298 AUD|High: $2,634 AUD|Avg: $1,198 AUD|-1.1%
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
October 30, 2026
Retailer 5$419 AUD
Retailer 14$626 AUD
Retailer 12$690 AUD
Retailer 13$767 AUD
Retailer 11$799 AUD
Retailer 6$871 AUD
Retailer 2$890 AUD
Retailer 3$918 AUD
Retailer 7$977 AUD
Retailer 10$1,132 AUD
Retailer 15$1,429 AUD
Retailer 8$1,568 AUD
Retailer 4$1,686 AUD
Retailer 16$1,822 AUD
Retailer 9$1,875 AUD
Brilliant Earth$2,605 AUD

44 data points across 16 retailers

22 retailers$419 AUD to $2,605 AUD

Retailer 1
-
$376 AUD
$264 USD
Price last confirmed 13 days ago
A
Retailer 2
-
$419 AUD
$294 USD
View
Final sale: no returns
Retailer 3
-
$436 AUD
$306 USD
View
Price last confirmed 15 days ago
Retailer 4
-
$466 AUD
$327 USD
View
Price last confirmed 27 days ago
Retailer 5
-
$466 AUD
$327 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$626 AUD
$440 USD
View
A
Retailer 7
-
$690 AUD
$485 USD
View
A
Retailer 8
-
$767 AUD
€513 EUR
View
A
Retailer 9
-
$799 AUD
ZAR 9,070 ZAR
View
A
Retailer 10
-
$871 AUD
$612 USD
View
A
Retailer 11
-
$890 AUD
£492 GBP
View
B+
Retailer 12
-
$918 AUD
$645 USD
View
B+
Retailer 13
-
$977 AUD
$686 USD
View
B+
Retailer 14
-
$1,132 AUD
View
B
Retailer 15
-
$1,429 AUD
$1,004 USD
View
Retailer 16
-
$1,495 AUD
$1,050 USD
View
Price last confirmed 14 days ago
B
Retailer 17
-
$1,568 AUD
$1,102 USD
View
B
Retailer 18
-
$1,720 AUD
$1,208 USD
View
B
Retailer 19
-
$1,822 AUD
£1,008 GBP
View
B+
Retailer 20
-
$1,875 AUD
£1,037 GBP
View
B
Retailer 21
-
$1,988 AUD
$1,396 USD
View
Most Expensive
B
Brilliant Earth
10023992A · Oct 24
$2,605 AUD
$1,830 USD
View
21 more retailers have this diamond
Prices start from $419 AUDSave up to $2,187 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
1.04ct Marquise
$419 AUD