CaratHunter
Plans
Marquise|Lab Grown|IGI

1.03ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG811633607

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811633607

Diamond specifications and retailer prices

From $306 AUD
$215 USD
As of October 30, 2026
Save $1,460 AUD (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,766 AUD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 LG811633607 or 811633607. Listed at 20 retailers as of October 30, 2026, with prices from $306 to $1,766, a $1,460 spread on the same certified stone. Reve Diamonds lists it at $1,766. 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 angle34°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811633607
Dimensions10.19 × 5.45 × 3.30 mm
L/W Ratio1.87
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
10.19 mm5.45 mm1.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811633607
Side View
Table 57.0%Crown 34°Girdle: THN-MEDPavilion 40.1°Culet: NoneDepth 60.6%

Caratlytics Score

How it works →
A+
Exceptional
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: $702 AUD|Low: $306 AUD|High: $1,766 AUD|Avg: $776 AUD|-2.4%
Retailer 1
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
Reve Diamonds
October 31, 2026
Retailer 7$306 AUD
Retailer 8$340 AUD
Retailer 3$354 AUD
Retailer 2$379 AUD
Retailer 15$379 AUD
Retailer 11$402 AUD
Retailer 9$512 AUD
Retailer 13$651 AUD
Retailer 17$659 AUD
Retailer 1$702 AUD
Retailer 5$713 AUD
Retailer 4$833 AUD
Retailer 14$926 AUD
Retailer 10$927 AUD
Retailer 16$1,219 AUD
Retailer 6$1,293 AUD
Retailer 12$1,526 AUD
Reve Diamonds$1,766 AUD

31 data points across 18 retailers

20 retailers$306 AUD to $1,766 AUD

A+
Cheapest Retailer
-
$306 AUD
$215 USD
A
Retailer 2
-
$340 AUD
$239 USD
View
Final sale: no returns
A
Retailer 3
-
$354 AUD
$249 USD
View
A
Retailer 4
-
$379 AUD
$266 USD
View
A
Retailer 5
-
$379 AUD
$266 USD
View
A
Retailer 6
-
$402 AUD
£222 GBP
View
Retailer 7
-
$456 AUD
HK$2,500 HKD
View
Price last confirmed 57 days ago
A
Retailer 8
-
$512 AUD
$360 USD
View
A
Retailer 9
-
$651 AUD
ZAR 7,386 ZAR
View
A
Retailer 10
-
$659 AUD
€441 EUR
View
A
Retailer 11
-
$702 AUD
£388 GBP
View
A
Retailer 12
-
$713 AUD
$501 USD
View
A
Retailer 13
-
$833 AUD
$585 USD
View
A
Retailer 14
-
$926 AUD
View
B+
Retailer 15
-
$927 AUD
$651 USD
View
B+
Retailer 16
-
$1,219 AUD
$856 USD
View
Retailer 17
-
$1,276 AUD
$896 USD
View
Price last confirmed 9 days ago
B+
Retailer 18
-
$1,293 AUD
$908 USD
View
B+
Retailer 19
-
$1,526 AUD
£844 GBP
View
Most Expensive
B
Reve Diamonds
58246DE9D · Oct 30
$1,766 AUD
$1,240 USD
View
19 more retailers have this diamond
Prices start from $306 AUDSave up to $1,460 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
$306 AUD