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Marquise|Lab Grown|IGI

1.03ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG617485568

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG617485568

Diamond specifications and retailer prices

From $349 AUD
$245 USD
As of October 30, 2026
Save $1,421 AUD (80%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $2,349 AUD at Brilliant Earth · As of October 22, 2026
View at Brilliant Earth

About this 1.03ct lab-grown marquise diamond

This 1.03ct 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 LG617485568 or 617485568. Listed at 27 retailers as of October 30, 2026, with a 407% 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

1.03
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG617485568
Dimensions10.92 × 5.14 × 3.25 mm
L/W Ratio2.12
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
10.92 mm5.14 mm1.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG617485568
Side View
Table 60.0%Crown 36.2°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 63.2%

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: $2,349 AUD|Low: $306 AUD|High: $2,349 AUD|Avg: $966 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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 31, 2026
Retailer 9$306 AUD
Retailer 19$349 AUD
Retailer 6$380 AUD
Retailer 5$437 AUD
Retailer 4$538 AUD
Retailer 15$644 AUD
Retailer 17$653 AUD
Retailer 2$705 AUD
Retailer 21$715 AUD
Retailer 10$819 AUD
Retailer 7$834 AUD
Retailer 14$854 AUD
Retailer 18$930 AUD
Retailer 11$1,076 AUD
Retailer 20$1,227 AUD
Retailer 8$1,298 AUD
Retailer 12$1,374 AUD
Retailer 13$1,486 AUD
Retailer 16$1,533 AUD
Retailer 3$1,769 AUD
Brilliant Earth$2,349 AUD

38 data points across 21 retailers

27 retailers$349 AUD to $1,769 AUD

Retailer 1
-
$306 AUD
$215 USD
Price last confirmed 23 days ago
A
Retailer 2
-
$349 AUD
$245 USD
View
Final sale: no returns
Retailer 3
-
$364 AUD
$256 USD
View
Price last confirmed 31 days ago
Retailer 4
-
$380 AUD
$267 USD
View
Price last confirmed 23 days ago
Retailer 5
-
$380 AUD
$267 USD
View
Price last confirmed 21 days ago
Retailer 6
-
$423 AUD
$297 USD
View
Price last confirmed 32 days ago
A
Retailer 7
-
$437 AUD
HK$2,400 HKD
View
Retailer 8
-
$447 AUD
$314 USD
View
Price last confirmed 32 days ago
A
Retailer 9
-
$538 AUD
$378 USD
View
A
Retailer 10
-
$644 AUD
€431 EUR
View
A
Retailer 11
-
$653 AUD
ZAR 7,415 ZAR
View
A
Retailer 12
-
$705 AUD
£390 GBP
View
A
Retailer 13
-
$715 AUD
$502 USD
View
Retailer 14
-
$819 AUD
$576 USD
View
Price last confirmed 7 days ago
A
Retailer 15
-
$834 AUD
$586 USD
View
A
Retailer 16
-
$930 AUD
View
B+
Retailer 17
-
$1,076 AUD
SGD 1,021 SGD
View
B+
Retailer 18
-
$1,223 AUD
$859 USD
View
Retailer 19
-
$1,223 AUD
$859 USD
View
Price last confirmed 21 days ago
B+
Retailer 20
-
$1,227 AUD
$862 USD
View
B+
Retailer 21
-
$1,298 AUD
$912 USD
View
B+
Retailer 22
-
$1,374 AUD
$965 USD
View
Retailer 23
-
$1,453 AUD
$1,021 USD
View
Price last confirmed 31 days ago
B+
Retailer 24
-
$1,486 AUD
View
B+
Retailer 25
-
$1,533 AUD
£848 GBP
View
B
Retailer 26
-
$1,769 AUD
$1,243 USD
View
Most Expensive
Brilliant Earth
9013048A · Oct 22
$2,349 AUD
$1,650 USD
View
Price last confirmed 9 days ago
26 more retailers have this diamond
Prices start from $349 AUDSave up to $1,421 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
1.03ct Marquise
$349 AUD