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Marquise|Lab Grown|IGI

1.64ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG732520361

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG732520361

Diamond specifications and retailer prices

From $779 AUD
$547 USD
As of October 30, 2026
Save $6,139 AUD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $6,918 AUD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.64ct lab-grown marquise diamond

This 1.64ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG732520361 or 732520361. Listed at 17 retailers as of October 29, 2026, with prices from $779 to $6,918, a $6,139 spread on the same certified stone. Do Amore Diamonds lists it at $6,918. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.64
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG732520361
Dimensions11.72 × 6.16 × 3.92 mm
L/W Ratio1.90
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
11.72 mm6.16 mm1.64 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG732520361
Side View
Table 57.0%Crown 35.7°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 63.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $6,918 AUD|Low: $683 AUD|High: $7,316 AUD|Avg: $2,608 AUD|-5.4%
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$779 AUD
Retailer 3$871 AUD
Retailer 9$957 AUD
Retailer 11$1,153 AUD
Retailer 14$1,153 AUD
Retailer 8$1,422 AUD
Retailer 13$1,489 AUD
Retailer 2$1,660 AUD
Retailer 15$2,491 AUD
Retailer 4$2,531 AUD
Retailer 17$2,728 AUD
Retailer 16$2,801 AUD
Retailer 5$3,630 AUD
Retailer 6$3,735 AUD
Retailer 7$4,583 AUD
Retailer 10$4,649 AUD
Do Amore Diamonds$6,918 AUD

32 data points across 17 retailers

17 retailers$779 AUD to $6,918 AUD

A
Cheapest Retailer
-
$779 AUD
$547 USD
A
Retailer 2
-
$871 AUD
$612 USD
View
A
Retailer 3
-
$957 AUD
$672 USD
View
Final sale: no returns
A
Retailer 4
-
$1,153 AUD
$810 USD
View
A
Retailer 5
-
$1,153 AUD
$810 USD
View
A
Retailer 6
-
$1,422 AUD
$999 USD
View
A
Retailer 7
-
$1,489 AUD
$1,046 USD
View
A
Retailer 8
-
$1,660 AUD
€1,111 EUR
View
B+
Retailer 9
-
$2,491 AUD
$1,750 USD
View
Retailer 10
-
$2,531 AUD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
$2,728 AUD
$1,916 USD
View
B+
Retailer 12
-
$2,801 AUD
$1,968 USD
View
B+
Retailer 13
-
$3,630 AUD
$2,550 USD
View
Retailer 14
-
$3,735 AUD
View
Price last confirmed 22 days ago
B
Retailer 15
-
$4,583 AUD
$3,220 USD
View
B+
Retailer 16
-
$4,649 AUD
£2,572 GBP
View
Most Expensive
B
Do Amore Diamonds
27-3A37B9574 · Oct 29
$6,918 AUD
$4,860 USD
View
16 more retailers have this diamond
Prices start from $779 AUDSave up to $6,139 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
1.64ct Marquise
$779 AUD