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Marquise|Lab Grown|IGI

1.05ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG739553730

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG739553730

Diamond specifications and retailer prices

From $290 AUD
$204 USD
As of October 27, 2026
Save $2,497 AUD (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,787 AUD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.05ct lab-grown marquise diamond

This 1.05ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG739553730 or 739553730. Listed at 17 retailers as of October 27, 2026, with prices from $290 to $2,787, a $2,497 spread on the same certified stone. Do Amore Diamonds lists it at $2,787. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739553730
Dimensions10.61 × 5.32 × 3.24 mm
L/W Ratio1.99
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
10.61 mm5.32 mm1.05 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739553730
Side View
Table 59.0%Crown 35°Girdle: MediumPavilion 39.3°Culet: NoneDepth 60.9%

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 27
Current: $2,787 AUD|Low: $284 AUD|High: $2,901 AUD|Avg: $1,215 AUD|-3.9%
Do Amore Diamonds
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 29, 2026
Retailer 12$290 AUD
Retailer 3$337 AUD
Retailer 9$338 AUD
Retailer 13$570 AUD
Retailer 15$621 AUD
Retailer 6$671 AUD
Retailer 2$681 AUD
Retailer 8$858 AUD
Retailer 11$970 AUD
Retailer 14$1,162 AUD
Retailer 17$1,229 AUD
Retailer 16$1,278 AUD
Retailer 10$1,602 AUD
Retailer 4$1,799 AUD
Retailer 5$2,104 AUD
Retailer 7$2,559 AUD
Do Amore Diamonds$2,787 AUD

28 data points across 17 retailers

17 retailers$290 AUD to $2,787 AUD

A+
Cheapest Retailer
-
$290 AUD
$204 USD
A
Retailer 2
-
$337 AUD
$237 USD
View
A
Retailer 3
-
$338 AUD
$238 USD
View
Final sale: no returns
A
Retailer 4
-
$570 AUD
$401 USD
View
A
Retailer 5
-
$621 AUD
$437 USD
View
A
Retailer 6
-
$671 AUD
$472 USD
View
A
Retailer 7
-
$681 AUD
€456 EUR
View
A
Retailer 8
-
$858 AUD
View
A
Retailer 9
-
$970 AUD
View
B+
Retailer 10
-
$1,162 AUD
$817 USD
View
B+
Retailer 11
-
$1,229 AUD
$865 USD
View
B+
Retailer 12
-
$1,278 AUD
$899 USD
View
B+
Retailer 13
-
$1,602 AUD
£887 GBP
View
B+
Retailer 14
-
$1,799 AUD
$1,265 USD
View
B
Retailer 15
-
$2,104 AUD
View
Price last confirmed 21 days ago
B
Retailer 16
-
$2,559 AUD
$1,800 USD
View
Most Expensive
B
Do Amore Diamonds
27-35138FF1C · Oct 29
$2,787 AUD
$1,960 USD
View
16 more retailers have this diamond
Prices start from $290 AUDSave up to $2,497 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
$290 AUD