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Marquise|Lab Grown|IGI

1.00ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG733535022

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG733535022

Diamond specifications and retailer prices

From $360 AUD
$253 USD
As of October 30, 2026
Save $1,775 AUD (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,363 AUD at Brilliant Earth · As of October 18, 2026
View at Brilliant Earth

About this 1ct lab-grown marquise diamond

This 1ct 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 LG733535022 or 733535022. Listed at 23 retailers as of October 30, 2026, with a 493% 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

1.00
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733535022
Dimensions5.27 × 5.27 × 3.27 mm
L/W Ratio1.00
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
5.27 mm5.27 mm1.00 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG733535022
Side View
Table 60.0%Crown 34.8°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.0%

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: $2,135 AUD|Low: $360 AUD|High: $2,491 AUD|Avg: $1,097 AUD|-14.3%
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 4$360 AUD
Retailer 12$548 AUD
Retailer 15$680 AUD
Retailer 13$688 AUD
Retailer 3$732 AUD
Retailer 9$746 AUD
Retailer 16$799 AUD
Retailer 6$886 AUD
Retailer 14$977 AUD
Retailer 7$1,068 AUD
Retailer 5$1,072 AUD
Retailer 10$1,360 AUD
Retailer 8$1,496 AUD
Retailer 11$1,611 AUD
Retailer 2$1,820 AUD
Brilliant Earth$2,135 AUD

30 data points across 16 retailers

23 retailers$360 AUD to $2,135 AUD

Retailer 1
-
$349 AUD
$245 USD
Price last confirmed 28 days ago
A
Retailer 2
-
$360 AUD
$253 USD
View
Final sale: no returns
Retailer 3
-
$421 AUD
$296 USD
View
Price last confirmed 31 days ago
Retailer 4
-
$444 AUD
$312 USD
View
Price last confirmed 35 days ago
Retailer 5
-
$450 AUD
$316 USD
View
Price last confirmed 27 days ago
A
Retailer 6
-
$548 AUD
$385 USD
View
A
Retailer 7
-
$680 AUD
€455 EUR
View
A
Retailer 8
-
$688 AUD
ZAR 7,806 ZAR
View
A
Retailer 9
-
$732 AUD
$514 USD
View
A
Retailer 10
-
$746 AUD
£413 GBP
View
A
Retailer 11
-
$799 AUD
$561 USD
View
B+
Retailer 12
-
$886 AUD
View
B+
Retailer 13
-
$977 AUD
View
B+
Retailer 14
-
$1,072 AUD
$753 USD
View
Retailer 15
-
$1,305 AUD
$917 USD
View
Price last confirmed 10 days ago
B+
Retailer 16
-
$1,360 AUD
$955 USD
View
Retailer 17
-
$1,446 AUD
$1,016 USD
View
Price last confirmed 30 days ago
Retailer 18
-
$1,496 AUD
View
Price last confirmed 22 days ago
Retailer 19
-
$1,514 AUD
$1,064 USD
View
Price last confirmed 54 days ago
B
Retailer 20
-
$1,611 AUD
£891 GBP
View
B+
Retailer 21
-
$1,820 AUD
$1,278 USD
View
B
Retailer 22
-
$2,135 AUD
$1,500 USD
View
Most Expensive
Brilliant Earth
15851387A · Oct 18
$2,363 AUD
$1,660 USD
View
Price last confirmed 11 days ago
22 more retailers have this diamond
Prices start from $360 AUDSave up to $1,775 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
1.00ct Marquise
$360 AUD